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Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1992
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 [ ] [ ] [ ] [ ] 5.382& 7.436& 58.27 " 27.34 $ 143.2 " 28.83 $ 5.392& 8.618& 1
2 [ ] [ ] [ ] 0.504& 4.958& 6.315& 45.74 $ 292.4 " 104.3 " 34.64 $ 4.756& 6.023& 2
3 [ ] [ ] [ ] 0.677& 4.774& 5.662& 38.11 $ 115.4 " 163.4 " 44.85 $ 4.076& 3.666& 3
4 [ ] [ ] [ ] 1.089& 4.781& 5.484& 33.53 $ 80.88 " 237.5 " 45.09 $ 3.024& 2.170& 4
5 [ ] [ ] [ ] 1.353& 4.664& 5.428& 29.72 $ 74.36 " 352.4 " 35.64 $ 2.664& 1.197& 5
6 [ ] [ ] [ ] 1.363& 4.622& 5.260& 26.05 $ 47.58 $ 345.1 " 35.74 $ 3.312& 0.770& 6
7 [ ] [ ] [ ] 1.367& 5.097& 5.221& 23.63 $ 44.95 $ 118.7 " 36.96 $ 4.659& 0.522& 7
8 [ ] [ ] [ ] 1.768& 6.091& 5.706& 22.30 $ 39.43 $ 84.32 " 29.73 $ 5.139& 0.502& 8
9 [ ] [ ] [ ] 6.742& 4.874& 6.588& 22.17 $1678 $ 76.73 " 25.29 $ 4.352& 0.631& 9
10 [ ] [ ] [ ] 3.381& 3.840& 15.46 & 24.62 $1067 # 74.04 " 22.45 $ 3.047& 0.665& 10
11 [ ] [ ] [ ] 2.205& 3.487& 26.92 $ 26.29 $ 203.8 " 63.43 " 20.21 $ 2.030& 0.871& 11
12 [ ] [ ] [ ] 1.567& 3.369& 39.83 $ 24.12 $ 118.5 " 55.81 " 19.92 $ 1.445& 0.935& 12
13 [ ] [ ] [ ] 1.285& 3.673& 70.07 " 23.31 $ 87.53 " 51.85 " 19.67 $ 1.504& 0.821& 13
14 [ ] [ ] [ ] 1.200& 5.035& 81.75 " 26.79 $ 70.57 " 61.65 " 18.65 $ 2.722& 0.712& 14
15 [ ] [ ] [ ] 1.193& 6.882& 109.2 " 21.93 $ 61.84 " 51.39 $ 17.47 $ 5.342& 0.653& 15
16 [ ] [ ] [ ] 2.246& 6.023& 110.2 " 18.60 $ 70.83 " 45.35 $ 16.37 $ 8.236& 0.431& 16
17 [ ] [ ] [ ] 8.634& 4.643& 71.18 " 16.59 $ 73.32 " 40.31 $ 15.12 $ 7.811& 0.223& 17
18 [ ] [ ] [ ] 6.386& 3.619& 54.12 $ 16.81 $ 61.11 " 38.91 $ 13.76 $ 6.322& 0.147& 18
19 [ ] [ ] [ ] 4.625& 3.151& 40.08 $ 16.88 $ 47.49 $ 78.75 $ 11.66 $ 5.857& 0.130& 19
20 [ ] [ ] [ ] 6.004& 3.064& 32.26 $ 19.04 $ 40.90 $ 445.5 " 9.226& 6.297& 0.177& 20
21 [ ] [ ] [ ] [ ] 3.265& 34.70 $ 23.44 $ 37.12 $ 148.6 " 7.381& 6.609& 0.174& 21
22 [ ] [ ] [ ] [ ] 3.922& 37.12 $ 20.73 $ 33.84 $ 88.41 " 6.724& 6.584& 0.189& 22
23 [ ] [ ] [ ] [ ] 5.992& 29.56 $ 17.43 $ 30.54 $ 73.21 " 7.513& 5.994& 0.181& 23
24 [ ] [ ] [ ] [ ] 14.77 & 26.43 $ 14.08 $ 76.80 $ 64.98 " 9.019& 5.495& 0.215& 24
25 [ ] [ ] [ ] [ ] 10.89 & 27.10 $ 12.21 $ 339.1 # 50.52 $ 9.353& 4.189& 0.229& 25
26 [ ] [ ] [ ] [ ] 7.886& 41.57 $ 13.13 $ 757.2 # 42.58 $ 8.284& 3.475& 0.182& 26
27 [ ] [ ] [ ] [ ] 6.469& 41.77 $ 14.86 $ 342.8 " 37.61 $ 7.369& 3.248& 0.176& 27
28 [ ] [ ] [ ] [ ] 6.107& 63.83 $ 15.64 $ 526.2 " 33.61 $ 6.873& 3.083& 0.185& 28
29 [ ] [ ] [ ] [ ] 7.261& 62.24 " 24.75 $ 403.6 " 30.03 $ 6.535& 2.948& 0.148& 29
30 [ ] [ ] 5.258& 8.863& 60.03 " 19.40 $ 129.2 " 29.06 $ 6.541& 5.537& 0.159& 30
31 [ ] [ ] 8.598& 15.91 $ 172.7 " 6.345& 0.178& 31
Mean [ ] [ ] [ ] 2.942& 5.679& 37.62 & 23.42 $ 230.7 $ 107.7 $ 18.81 & 4.505& 1.028&
Median [ ] [ ] [ ] 1.668& 4.958& 33.48 & 22.17 $ 76.80 $ 69.09 $ 16.37 & 4.505& 0.431&
Maximum [ ] [ ] [ ] 8.634& 14.77 & 110.2 & 58.27 $1678 $ 445.5 $ 45.09 & 8.236& 8.618&
Minimum [ ] [ ] [ ] 0.504& 3.064& 5.221& 12.21 $ 27.34 $ 29.06 $ 6.345& 1.445& 0.130&
Total [ ] [ ] [ ] 58.85 & 176.0 &1129 & 726.1 $7152 $3231 $ 583.2 & 135.1 & 31.88 &
Missing Days 31 29 31 10 0 0 0 0 0 0 0 0
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 49.90 & " ... Relative Uncertainty +/-10%
Ann. Median 11.66 & # ... Relative Uncertainty +/-15%
Annual Total 13223 & $ ... Relative Uncertainty +/-20%
Missing Days 101 & ... Relative Uncertainty +/-30%
[ ... Not Available
Maximum Minimum
Daily 1678 & 0.130&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1993
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.175& 0.132& 0.024& 1.129& 13.98 & 33.82 $ 28.29 $ 82.25 " 37.02 $ 18.84 $ 5.417& 2.318& 1
2 0.167& 0.176& 0.015& 1.170& 37.52 $ 31.25 $ 27.67 $ 62.54 " 29.44 $ 16.54 $ 5.139& 2.311& 2
3 0.151& 0.152& 0.013& 1.145& 25.31 $ 30.26 $ 31.19 $ 44.37 $ 25.00 $ 15.06 $ 4.338& 1.924& 3
4 0.127& 0.117& 0.010& 1.473& 10.69 & 24.09 $ 27.68 $ 36.09 $ 53.86 $ 13.10 $ 4.139& 1.074& 4
5 0.090& 0.096& 0.008& 1.828& 24.55 $ 20.09 $ 24.64 $ 42.15 $ 89.04 " 11.10 $ 4.581& 0.651& 5
6 0.032& 0.257& 0.014& 1.326& 16.33 $ 17.14 $ 21.86 $ 328.1 " 61.92 " 9.979$ 4.757& 0.443& 6
7 0.011& 0.372& 0.106& 1.124& 10.95 $ 14.96 $ 18.75 $ 323.5 " 51.32 " 9.788$ 4.680& 0.295& 7
8 0.003& 0.275& 0.177& 1.142& 7.934& 16.36 $ 16.34 $ 126.4 " 47.40 $ 9.894$ 4.693& 0.228& 8
9 0.000& 0.196& 0.203& 1.124& 6.603& 31.56 $ 14.56 $ 84.94 " 38.49 $ 8.675& 5.465& 0.192& 9
10 0.000 0.144& 0.265& 1.142& 6.448& 38.30 $ 13.97 $ 63.13 " 31.85 $ 7.079& 7.252& 0.215& 10
11 0.000 0.081& 0.244& 1.637& 6.229& 32.18 $ 14.50 $ 53.23 " 27.20 $ 6.013& 8.064& 0.224& 11
12 0.000 0.014& 0.210& 2.811& 5.172& 26.67 $ 29.50 $ 202.2 " 26.77 $ 5.834& 7.883& 0.201& 12
13 0.005& 0.002& 0.160& 2.495& 4.177& 21.76 $ 52.86 " 143.3 " 26.59 $ 5.964& 15.00 & 0.174& 13
14 0.059& 0.000& 0.145& 1.946& 3.626& 18.72 $ 50.47 $ 77.65 " 24.92 $ 7.194& 21.30 $ 0.176& 14
15 0.085& 0.001& 0.175& 1.906& 3.264& 17.18 $ 39.31 $ 54.31 " 23.36 $ 8.666& 15.71 $ 0.162& 15
16 0.095& 0.041& 0.219& 1.939& 3.031& 16.35 $ 57.35 $ 50.04 " 23.92 $ 8.827& 13.90 $ 0.105& 16
17 0.069& 0.081& 0.250& 2.116& 2.897& 17.59 $ 63.26 $ 44.24 $ 25.73 $ 8.920& 14.19 $ 0.076& 17
18 0.066& 0.124& 0.230& 2.039& 2.817& 21.33 $ 32.26 $ 38.01 $ 28.30 $ 8.025& 11.79 $ 0.071& 18
19 0.071& 0.140& 0.233& 2.039& 3.428& 24.42 $ 25.36 $ 34.30 $ 32.36 $ 6.953& 8.501& 0.138& 19
20 0.067& 0.115& 0.268& 2.168& 6.085& 20.57 $ 22.15 $ 30.98 $ 26.10 $ 6.388& 6.371& 0.220& 20
21 0.063& 0.063& 0.315& 2.147& 6.721& 17.55 $ 19.46 $ 29.29 $ 21.12 $ 6.051& 5.158& 0.219& 21
22 0.050& 0.037& 0.367& 2.127& 5.503& 22.16 $ 20.60 $ 28.20 $ 18.07 $ 6.043& 4.388& 0.218& 22
23 0.033& 0.030& 0.951& 2.176& 5.028& 29.59 $ 110.5 $ 26.97 $ 21.39 $ 6.034& 3.797& 0.219& 23
24 0.035& 0.019& 1.047& 2.095& 4.845& 27.02 $ 84.24 " 25.69 $ 24.42 $ 5.805& 3.132& 0.198& 24
25 0.067& 0.018& 1.076& 1.989& 4.475& 25.71 $ 52.34 $ 25.88 $ 19.77 $ 6.628& 2.540& 0.176& 25
26 0.078& 0.054& 0.898& 2.079& 4.093& 27.14 $ 40.58 $ 26.09 $ 16.84 $ 6.182& 2.144& 0.144& 26
27 0.099& 0.075& 0.807& 2.311& 6.194& 32.01 $ 51.48 $ 24.74 $ 14.66 $ 5.808& 1.856& 0.107& 27
28 0.099& 0.047& 0.706& 2.447& 101.5 $ 33.48 $ 57.71 " 23.88 $ 13.90 $ 5.583& 1.808& 0.073& 28
29 0.084& 0.631& 2.922& 284.1 " 34.34 $ 127.5 " 34.36 $ 13.50 $ 5.326& 1.975& 0.080& 29
30 0.065& 0.699& 4.319& 86.20 " 33.19 $ 126.5 " 58.78 " 16.23 $ 4.550& 2.217& 0.131& 30
31 0.069& 0.814& 46.86 $ 125.3 " 44.63 $ 4.813& 0.157& 31
Mean 0.065& 0.102& 0.364& 1.944& 24.41 & 25.23 $ 46.07 $ 73.23 $ 30.35 $ 8.247& 6.740& 0.417&
Median 0.067& 0.081& 0.233& 2.014& 6.229& 25.07 $ 31.19 $ 44.37 $ 25.91 $ 6.953& 4.948& 0.198&
Maximum 0.175& 0.372& 1.076& 4.319& 284.1 & 38.30 $ 127.5 $ 328.1 $ 89.04 $ 18.84 & 21.30 & 2.318&
Minimum 0.000& 0.000& 0.008& 1.124& 2.817& 14.96 $ 13.97 $ 23.88 $ 13.50 $ 4.550& 1.808& 0.071&
Total 2.016& 2.858& 11.28 & 58.31 & 756.6 & 756.8 $1428 $2270 $ 910.5 $ 255.7 & 202.2 & 12.92 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 18.27 & " ... Relative Uncertainty +/-10%
Ann. Median 5.326& $ ... Relative Uncertainty +/-20%
Annual Total 6668 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 328.1 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1994
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.166& 0.005& 75.23 & 0.716& 1.967& 62.06 " 692.1 " 24.37 $ 53.98 " 14.23 $ 3.850& 1.138& 1
2 0.182& 0.008& 106.2 " 0.586& 1.994& 64.96 " 590.2 " 23.75 $ 49.01 $ 15.54 $ 3.858& 1.366& 2
3 0.159& 0.103& 42.08 $ 0.471& 1.758& 67.61 " 165.5 " 22.97 $ 38.04 $ 13.26 $ 3.899& 1.601& 3
4 0.156& 0.201& 25.43 $ 0.426& 1.612& 62.13 " 106.7 " 159.2 $ 31.32 $ 10.85 $ 4.012& 1.460& 4
5 0.178& 0.242& 15.86 $ 0.417& 1.511& 41.08 $ 82.16 " 157.3 " 25.99 $ 9.572& 3.275& 1.121& 5
6 0.225& 0.239& 9.125& 0.417& 1.819& 31.74 $ 67.29 " 96.12 " 23.08 $ 8.651& 2.030& 0.894& 6
7 0.236& 0.149& 5.311& 0.438& 2.713& 34.69 $ 60.79 " 56.59 " 22.16 $ 7.678& 1.487& 0.730& 7
8 0.236& 0.139& 3.393& 0.647& 2.893& 37.96 $ 112.5 " 47.02 $ 21.02 $ 6.663& 1.052& 0.513& 8
9 0.236& 0.121& 2.485& 0.698& 2.339& 42.38 $ 249.5 " 57.75 " 17.77 $ 5.791& 0.992& 0.270& 9
10 0.227& 0.111& 1.919& 0.666& 1.870& 34.52 $ 144.6 " 329.9 " 16.43 $ 5.616& 1.327& 0.154& 10
11 0.251& 0.097& 1.455& 0.638& 1.638& 28.99 $ 98.02 " 397.7 " 23.98 $ 6.611& 1.417& 0.130& 11
12 0.273& 0.077& 1.068& 0.533& 1.560& 26.84 $ 83.02 " 249.8 " 25.17 $ 7.518& 1.492& 0.164& 12
13 0.292& 0.118& 0.848& 0.482& 1.816& 24.32 $ 75.58 " 118.2 " 22.10 $ 7.817& 1.556& 0.162& 13
14 0.312& 0.125& 0.723& 0.713& 2.337& 21.49 $ 79.65 " 72.14 " 20.91 $ 10.46 & 1.324& 0.158& 14
15 0.316& 0.107& 0.718& 0.729& 2.694& 20.42 $ 69.90 " 56.93 " 19.46 $ 18.34 $ 0.861& 0.168& 15
16 0.260& 0.067& 0.692& 1.083& 2.770& 20.26 $ 61.16 " 49.14 $ 18.35 $ 12.93 $ 0.565& 0.225& 16
17 0.201& 0.042& 0.684& 1.106& 3.256& 19.63 $ 51.96 " 43.69 $ 17.61 $ 9.502& 0.402& 0.424& 17
18 0.186& 0.022& 0.648& 1.085& 3.526& 18.17 $ 47.03 $ 39.91 $ 17.01 $ 8.239& 0.374& 0.649& 18
19 0.162& 0.013& 0.645& 1.086& 3.686& 18.30 $ 43.45 $ 36.22 $ 16.10 $ 7.274& 0.368& 1.114& 19
20 0.147& 0.003& 0.599& 0.944& 3.760& 125.7 $ 39.99 $ 32.48 $ 13.33 $ 5.956& 0.476& 1.563& 20
21 0.165& 0.000 0.590& 0.864& 3.937& 196.3 " 36.97 $ 29.85 $ 10.82 $ 5.383& 0.757& 1.282& 21
22 0.180& 0.000 0.520& 0.906& 5.529& 82.93 " 34.55 $ 28.58 $ 10.04 $ 5.820& 0.835& 0.757& 22
23 0.187& 0.000 0.485& 1.598& 35.34 $ 54.08 $ 34.40 $ 28.33 $ 9.884$ 6.221& 0.823& 0.387& 23
24 0.180& 0.010& 0.500& 1.862& 45.45 $ 41.40 $ 34.68 $ 27.30 $ 10.04 $ 7.505& 0.844& 0.175& 24
25 0.186& 0.062& 0.555& 2.067& 34.64 $ 34.92 $ 34.63 $ 26.35 $ 10.32 $ 8.308& 0.950& 0.083& 25
26 0.169& 0.209& 0.583& 2.245& 25.29 $ 30.78 $ 33.27 $ 25.48 $ 10.82 $ 6.996& 1.056& 0.048& 26
27 0.135& 0.277& 0.634& 2.316& 18.97 $ 164.8 $ 31.29 $ 25.23 $ 11.86 $ 6.379& 1.125& 0.068& 27
28 0.080& 0.518& 0.620& 2.184& 14.60 $ 174.3 " 29.48 $ 25.04 $ 14.45 $ 5.763& 1.119& 0.075& 28
29 0.040& 0.680& 2.081& 475.5 $ 92.52 " 28.52 $ 24.85 $ 13.01 $ 4.681& 1.073& 0.082& 29
30 0.021& 0.818& 1.971& 384.6 # 127.3 " 26.74 $ 24.85 $ 12.63 $ 4.163& 1.094& 0.057& 30
31 0.011& 0.839& 132.8 " 25.45 $ 35.52 $ 3.783& 0.022& 31
Mean 0.186& 0.109& 9.741& 1.066& 39.49 & 60.09 $ 105.5 $ 76.54 $ 20.22 $ 8.306& 1.477& 0.550&
Median 0.182& 0.100& 0.723& 0.797& 2.893& 39.52 $ 60.79 $ 36.22 $ 17.69 $ 7.505& 1.083& 0.270&
Maximum 0.316& 0.518& 106.2 & 2.316& 475.5 & 196.3 $ 692.1 $ 397.7 $ 53.98 $ 18.34 & 4.012& 1.601&
Minimum 0.011& 0.000& 0.485& 0.417& 1.511& 18.17 $ 25.45 $ 22.97 $ 9.884$ 3.783& 0.368& 0.022&
Total 5.755& 3.066& 302.0 & 31.97 &1224 &1803 $3271 $2373 $ 606.7 $ 257.5 & 44.30 & 17.04 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 27.23 & " ... Relative Uncertainty +/-10%
Ann. Median 2.770& # ... Relative Uncertainty +/-15%
Annual Total 9939 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 692.1 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1995
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.033& 0.120& 0.105& 0.886& 60.17 $ 17.15 $ 22.97 $ 113.4 " 24.05 $ 10.89 $ 4.189& 2.317& 1
2 0.067& 0.173& 0.076& 1.598& 37.91 $ 16.88 $ 21.99 $ 95.55 " 22.98 $ 9.596& 4.483& 2.197& 2
3 0.066& 0.166& 0.073& 0.894& 27.77 $ 16.92 $ 21.19 $ 83.17 " 30.86 $ 8.816& 4.598& 2.189& 3
4 0.053& 0.218& 0.076& 0.666& 21.84 $ 16.43 $ 20.42 $ 71.86 " 62.64 " 8.311& 3.647& 1.918& 4
5 0.049& 0.259& 0.074& 0.603& 18.57 $ 16.71 $ 20.37 $ 61.44 " 49.56 $ 8.013& 2.669& 1.414& 5
6 0.052& 0.246& 0.052& 0.576& 16.48 $ 29.02 $ 29.40 $ 54.29 " 63.53 $ 7.855& 2.364& 1.025& 6
7 0.068& 0.193& 0.041& 0.588& 14.62 $ 72.24 " 25.72 $ 49.57 $ 80.78 " 7.913& 3.115& 0.984& 7
8 0.112& 0.111& 0.044& 0.730& 13.09 $ 126.3 " 30.18 $ 51.24 $ 72.97 " 8.125& 4.280& 1.022& 8
9 0.149& 0.044& 0.027& 1.050& 11.92 $ 172.4 " 43.73 $ 140.2 " 47.06 $ 8.446& 5.852& 1.169& 9
10 0.118& 0.024& 0.043& 1.824& 13.62 $ 110.5 " 50.32 $ 123.2 " 36.52 $ 8.697& 4.849& 1.002& 10
11 0.126& 0.018& 0.052& 1.943& 28.16 $ 65.33 " 238.0 $ 79.66 " 31.71 $ 8.532& 3.950& 0.667& 11
12 0.118& 0.007& 0.051& 1.925& 23.96 $ 44.29 $ 271.1 " 65.56 " 30.11 $ 8.378& 3.304& 0.360& 12
13 0.104& 0.009& 0.039& 1.767& 21.52 $ 36.20 $ 139.9 " 61.26 " 29.27 $ 7.571& 2.788& 0.289& 13
14 0.100& 0.020& 0.042& 1.604& 27.82 $ 32.38 $ 175.7 " 54.71 " 27.24 $ 6.885& 2.102& 0.506& 14
15 0.115& 0.043& 0.042& 1.733& 20.41 $ 29.42 $ 595.9 " 49.52 $ 24.73 $ 6.548& 9.532& 2.115& 15
16 0.126& 0.044& 0.043& 2.576& 16.15 $ 26.57 $ 633.9 " 45.37 $ 22.34 $ 6.665& 44.60 $ 1.966& 16
17 0.108& 0.041& 0.066& 1.962& 14.90 $ 24.37 $ 297.0 " 43.79 $ 20.85 $ 7.480& 22.69 $ 1.327& 17
18 0.124& 0.036& 0.109& 1.468& 45.78 $ 22.74 $ 113.8 " 44.26 $ 22.14 $ 10.43 & 12.92 $ 1.031& 18
19 0.135& 0.033& 0.110& 1.300& 38.40 $ 21.05 $ 456.7 # 43.66 $ 21.16 $ 11.24 & 9.581& 0.926& 19
20 0.142& 0.024& 0.079& 1.205& 28.41 $ 21.19 $1111 # 45.74 $ 19.81 $ 6.887& 8.823& 0.959& 20
21 0.099& 0.020& 0.055& 1.467& 23.03 $ 24.52 $ 814.7 " 44.10 $ 18.61 $ 3.962& 6.560& 0.930& 21
22 0.059& 0.013& 0.032& 250.6 & 20.36 $ 34.73 $ 246.2 " 40.21 $ 17.21 $ 2.537& 4.740& 1.173& 22
23 0.082& 0.016& 0.038& 120.4 " 31.13 $ 48.70 $ 148.1 " 38.25 $ 15.52 $ 1.998& 3.732& 1.741& 23
24 0.110& 0.011& 0.047& 47.95 $ 39.73 $ 48.27 $ 397.7 # 37.61 $ 13.36 $ 1.841& 3.343& 2.180& 24
25 0.098& 0.028& 0.046& 30.06 $ 47.44 $ 41.01 $1246 # 36.01 $ 11.95 $ 1.808& 3.056& 1.902& 25
26 0.063& 0.088& 0.080& 21.83 $ 31.05 $ 40.73 $ 511.6 " 33.46 $ 11.94 $ 2.110& 2.862& 1.799& 26
27 0.072& 0.125& 0.108& 32.07 $ 24.99 $ 34.63 $ 181.4 " 31.16 $ 12.47 $ 3.086& 2.744& 1.507& 27
28 0.068& 0.128& 0.204& 394.9 " 21.85 $ 30.42 $ 133.8 " 28.85 $ 12.90 $ 3.717& 2.956& 1.196& 28
29 0.159& 0.547& 537.6 " 20.53 $ 27.27 $ 237.8 " 27.39 $ 12.83 $ 4.062& 3.038& 0.968& 29
30 0.132& 0.973& 149.4 " 19.09 $ 24.69 $ 402.4 " 26.70 $ 12.23 $ 4.107& 2.679& 0.679& 30
31 0.116& 1.530& 17.92 $ 165.6 " 25.68 $ 3.906& 0.498& 31
Mean 0.097& 0.081& 0.158& 53.77 & 25.76 $ 42.44 $ 284.0 $ 56.35 $ 29.31 $ 6.465& 6.535& 1.289&
Median 0.104& 0.042& 0.055& 1.750& 21.85 $ 29.92 $ 175.7 $ 45.74 $ 22.66 $ 7.480& 3.841& 1.169&
Maximum 0.159& 0.259& 1.530& 537.6 & 60.17 $ 172.4 $1246 $ 140.2 $ 80.78 $ 11.24 & 44.60 & 2.317&
Minimum 0.033& 0.007& 0.027& 0.576& 11.92 $ 16.43 $ 20.37 $ 25.68 $ 11.94 $ 1.808& 2.102& 0.289&
Total 3.021& 2.259& 4.904&1613 & 798.6 $1273 $8805 $1747 $ 879.3 $ 200.4 & 196.1 & 39.96 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 42.64 & " ... Relative Uncertainty +/-10%
Ann. Median 7.571& # ... Relative Uncertainty +/-15%
Annual Total 15563 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 1246 & 0.007&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1996
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.282& 0.240& 0.001& 0.993& 2.057& 13.83 & 44.84 $ 603.6 " 75.36 " 34.61 $ 5.350& 2.263& 1
2 0.168& 0.177& 0.000& 1.681& 2.095& 23.73 $ 37.52 $ 453.0 " 68.53 " 31.01 $ 5.631& 3.878& 2
3 0.072& 0.110& 0.000 1.250& 2.623& 22.27 $ 179.3 $ 455.0 " 62.89 " 28.74 $ 4.634& 4.604& 3
4 0.058& 0.083& 0.003& 1.085& 3.256& 17.18 $ 125.3 " 631.4 " 60.34 " 26.76 $ 3.142& 3.883& 4
5 0.065& 0.044& 0.029& 1.239& 3.586& 13.45 $ 84.90 " 965.2 # 54.91 " 24.64 $ 1.932& 2.839& 5
6 0.059& 0.022& 0.024& 1.993& 3.605& 12.37 $ 48.13 $1108 # 53.01 " 21.95 $ 3.478& 2.096& 6
7 0.037& 0.030& 0.018& 2.113& 3.608& 12.11 $ 36.43 $ 287.4 " 54.40 " 19.25 $ 18.17 & 1.713& 7
8 0.048& 0.028& 0.006& 1.424& 5.551& 11.41 $ 41.41 $ 183.8 " 51.69 " 17.22 $ 51.76 $ 1.729& 8
9 0.139& 0.036& 0.003& 0.897& 19.03 $ 11.27 $ 51.40 " 144.6 " 49.22 " 17.16 $ 25.14 $ 1.373& 9
10 0.205& 0.014& 0.000& 0.569& 11.87 & 11.32 $ 56.81 $ 122.7 " 75.98 " 18.31 $ 14.05 $ 1.507& 10
11 0.435& 0.000& 0.000 0.504& 9.021& 12.48 $ 39.04 $ 156.8 " 218.9 " 17.26 $ 8.039& 1.649& 11
12 0.614& 0.000 0.000 0.518& 7.148& 12.50 $ 33.23 $ 175.7 " 179.3 " 14.48 $ 5.074& 1.447& 12
13 0.500& 0.000 0.000 0.490& 5.073& 11.12 $ 36.83 $ 674.7 # 84.16 " 12.53 $ 4.172& 1.077& 13
14 0.263& 0.000 0.000 0.456& 4.007& 9.954$ 62.71 $ 853.6 " 60.94 " 12.41 $ 4.080& 1.059& 14
15 0.211& 0.000 0.000 0.965& 3.608& 15.51 $ 215.5 " 259.8 " 52.82 " 12.33 $ 4.221& 0.970& 15
16 0.167& 0.000 0.000 0.873& 3.523& 30.65 $ 523.4 " 152.6 " 55.25 " 12.44 $ 5.001& 0.920& 16
17 0.073& 0.000 0.022& 0.761& 4.307& 19.27 $ 418.5 " 122.7 " 53.51 " 11.63 $ 6.495& 0.755& 17
18 0.057& 0.000 0.054& 0.869& 5.174& 30.82 $ 398.4 " 104.3 " 47.08 $ 10.80 $ 4.917& 0.491& 18
19 0.045& 0.000 0.045& 1.909& 4.955& 87.07 $ 227.8 " 88.20 " 42.40 $ 9.883$ 4.209& 0.317& 19
20 0.028& 0.000 0.044& 11.48 & 4.222& 217.3 " 111.4 " 195.8 " 37.80 $ 8.720& 3.814& 0.229& 20
21 0.027& 0.000 0.023& 9.998& 3.761& 271.2 " 80.09 "1627 # 34.30 $ 11.60 & 3.844& 0.204& 21
22 0.029& 0.000 0.013& 4.486& 3.717& 210.3 " 124.1 " 556.8 " 84.21 $ 18.85 $ 3.889& 0.149& 22
23 0.035& 0.000 0.014& 2.981& 3.933& 76.96 " 237.6 " 211.6 " 85.09 " 15.22 $ 3.605& 0.276& 23
24 0.015& 0.000 0.033& 2.554& 3.820& 50.16 $ 662.2 # 206.9 " 59.57 " 12.74 $ 3.088& 0.228& 24
25 0.002& 0.012& 0.081& 2.554& 3.435& 39.20 $ 986.8 # 184.0 " 43.17 $ 10.63 $ 2.572& 0.250& 25
26 0.007& 0.044& 0.089& 2.712& 3.204& 33.63 $ 214.7 " 128.8 " 38.20 $ 8.369& 2.162& 0.281& 26
27 0.029& 0.043& 0.228& 2.825& 3.155& 53.33 $ 181.4 " 101.9 " 54.27 $ 7.225& 2.021& 0.206& 27
28 0.053& 0.022& 0.661& 2.978& 3.445& 80.97 " 608.9 " 92.98 " 61.98 " 5.360& 1.951& 0.140& 28
29 0.058& 0.010& 0.771& 2.741& 3.483& 77.93 "1020 # 88.40 " 50.47 $ 4.740& 1.959& 0.261& 29
30 0.115& 0.719& 2.308& 3.372& 52.58 "3510 # 81.77 " 42.29 $ 4.157& 2.086& 0.298& 30
31 0.237& 0.795& 4.532& 2720 # 76.47 " 4.410& 0.278& 31
Mean 0.133& 0.032& 0.119& 2.273& 4.780& 51.39 & 423.2 $ 357.9 # 66.40 $ 15.01 & 7.016& 1.205&
Median 0.059& 0.010& 0.018& 1.552& 3.717& 23.00 & 125.3 $ 184.0 # 54.65 $ 12.53 & 4.126& 0.920&
Maximum 0.614& 0.240& 0.795& 11.48 & 19.03 & 271.2 &3510 $1627 # 218.9 $ 34.61 & 51.76 & 4.604&
Minimum 0.002& 0.000& 0.000& 0.456& 2.057& 9.954& 33.23 $ 76.47 # 34.30 $ 4.157& 1.932& 0.140&
Total 4.13& 0.92& 3.68& 68.20& 148.2 & 1542 &13119 $11096 # 1992 $ 465.4 & 210.5 & 37.37&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 78.38 & " ... Relative Uncertainty +/-10%
Ann. Median 4.118& # ... Relative Uncertainty +/-15%
Annual Total 28687 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3510 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1997
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.272& 0.000 0.142& 1.393& 19.88 $ 80.27 " 15.72 $ 36.46 $ 28.72 $ 13.62 $ 1.621& 0.912& 1
2 0.233& 0.000 0.088& 1.199& 26.02 $ 76.69 " 15.16 $ 34.80 $ 33.57 $ 13.63 $ 1.294& 0.751& 2
3 0.132& 0.000& 0.037& 0.915& 19.53 $ 71.67 " 126.5 $ 33.74 $ 34.47 $ 11.98 $ 0.957& 0.693& 3
4 0.092& 0.198& 0.009& 1.277& 15.32 $ 57.56 " 202.3 " 80.05 $ 30.79 $ 9.999& 0.838& 0.723& 4
5 0.060& 0.289& 0.003& 3.068& 12.39 $ 50.25 " 106.8 " 204.0 " 44.88 $ 8.307& 0.947& 0.736& 5
6 0.055& 0.750& 0.000 16.20 & 10.12 & 48.65 $ 120.7 " 191.2 " 101.3 " 6.744& 0.947& 0.687& 6
7 0.034& 0.904& 0.000 33.31 $ 7.964& 42.36 $ 119.1 " 95.24 " 120.9 " 5.498& 1.092& 0.573& 7
8 0.021& 0.606& 0.000 82.92 $ 6.707& 44.03 $ 93.06 " 67.41 " 80.10 " 5.681& 1.240& 0.499& 8
9 0.011& 0.435& 0.000 93.04 " 5.575& 64.19 " 67.17 " 131.0 " 54.67 " 8.738& 1.082& 0.304& 9
10 0.004& 0.302& 0.000 42.93 $ 5.955& 56.59 " 48.20 $ 267.7 " 55.70 " 20.11 $ 1.106& 0.149& 10
11 0.000& 0.225& 0.026& 29.14 $ 7.821& 43.83 $ 39.73 $ 293.1 " 64.26 " 16.49 $ 1.131& 0.131& 11
12 0.000 0.172& 0.054& 94.93 $ 10.32 & 39.93 $ 35.27 $ 110.4 " 59.76 " 12.90 $ 1.655& 0.155& 12
13 0.000 0.087& 0.027& 71.91 " 12.01 $ 37.92 $ 32.71 $ 70.83 " 50.06 $ 10.80 $ 18.61 & 0.177& 13
14 0.000 0.103& 0.024& 38.08 $ 12.85 $ 31.49 $ 38.13 $ 57.27 " 40.91 $ 8.909& 23.57 $ 0.139& 14
15 0.002& 0.150& 0.033& 27.86 $ 12.82 $ 28.49 $ 36.78 $ 81.26 " 35.75 $ 7.793& 12.23 & 0.088& 15
16 0.006& 0.121& 0.037& 43.49 $ 13.09 $ 26.53 $ 30.81 $ 91.06 " 31.94 $ 7.219& 6.449& 0.120& 16
17 0.003& 0.123& 0.027& 25.70 $ 13.27 $ 24.49 $ 27.17 $ 91.68 " 29.28 $ 6.625& 3.330& 0.127& 17
18 0.000& 0.219& 0.087& 19.29 $ 14.92 $ 22.34 $ 25.26 $ 64.53 " 26.89 $ 5.350& 2.217& 0.152& 18
19 0.000 0.274& 0.110& 15.58 $ 24.17 $ 20.68 $ 24.46 $ 49.38 $ 24.74 $ 4.040& 1.363& 0.154& 19
20 0.000 0.370& 0.312& 13.75 $ 33.56 $ 23.98 $ 23.62 $ 41.92 $ 23.06 $ 3.884& 1.247& 0.131& 20
21 0.000 0.439& 0.471& 12.55 $ 29.06 $ 37.11 $ 22.37 $ 37.85 $ 21.46 $ 6.032& 1.110& 0.141& 21
22 0.000 0.632& 0.660& 11.67 $ 21.53 $ 34.10 $ 20.76 $ 34.95 $ 19.98 $ 5.782& 0.981& 0.123& 22
23 0.000 0.560& 0.813& 10.61 $ 26.66 $ 30.41 $ 19.61 $ 33.53 $ 18.38 $ 5.589& 1.020& 0.062& 23
24 0.000 0.439& 0.973& 9.000& 42.24 $ 26.12 $ 121.3 $ 32.11 $ 17.29 $ 5.428& 1.166& 0.036& 24
25 0.000 0.381& 0.867& 7.603& 46.02 $ 23.97 $ 175.4 " 29.91 $ 16.70 $ 5.879& 1.319& 0.019& 25
26 0.000 0.385& 1.005& 6.164& 45.26 $ 22.72 $ 109.4 " 28.06 $ 16.48 $ 5.707& 1.462& 0.060& 26
27 0.000 0.314& 1.029& 5.930& 36.90 $ 21.21 $ 68.44 " 29.47 $ 16.25 $ 5.009& 1.516& 0.058& 27
28 0.000 0.274& 1.080& 7.001& 32.20 $ 19.56 $ 59.64 " 32.16 $ 15.42 $ 4.365& 1.521& 0.052& 28
29 0.000 0.939& 8.033& 26.37 $ 18.00 $ 58.45 " 32.60 $ 14.32 $ 3.580& 1.365& 0.062& 29
30 0.000 0.981& 9.664& 23.17 $ 16.86 $ 46.51 $ 32.21 $ 13.78 $ 2.827& 1.141& 0.090& 30
31 0.000 1.133& 63.10 $ 39.33 $ 30.40 $ 1.959& 0.170& 31
Mean 0.030& 0.313& 0.354& 24.81 & 21.83 & 38.07 $ 63.54 $ 78.91 $ 38.06 $ 7.757& 3.184& 0.267&
Median 0.000& 0.282& 0.087& 13.15 & 19.53 & 32.80 $ 39.73 $ 49.38 $ 30.04 $ 6.032& 1.271& 0.141&
Maximum 0.272& 0.904& 1.133& 94.93 & 63.10 & 80.27 $ 202.3 $ 293.1 $ 120.9 $ 20.11 & 23.57 & 0.912&
Minimum 0.000& 0.000& 0.000& 0.915& 5.575& 16.86 $ 15.16 $ 28.06 $ 13.78 $ 1.959& 0.838& 0.019&
Total 0.926& 8.752& 10.97 & 744.2 & 676.8 &1142 $1970 $2446 $1142 $ 240.5 & 95.53 & 8.274&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 23.25 & " ... Relative Uncertainty +/-10%
Ann. Median 8.033& $ ... Relative Uncertainty +/-20%
Annual Total 8486 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 293.1 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1998
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.271& 0.000 0.050& 0.006& 0.242& 29.72 $ 117.7 " 395.1 " 54.74 $ 19.18 $ 6.519& 0.534& 1
2 0.198& 0.000 0.030& 0.000& 0.201& 31.81 $ 165.7 " 258.8 " 76.26 " 17.69 $ 5.499& 0.484& 2
3 0.145& 0.000 0.014& 0.000 0.194& 30.27 $ 133.3 " 140.6 " 72.90 " 16.34 $ 4.955& 0.574& 3
4 0.136& 0.000 0.035& 0.000 0.198& 27.94 $ 168.3 " 114.1 " 65.78 " 15.63 $ 4.720& 0.508& 4
5 0.112& 0.000 0.085& 0.000 0.312& 24.34 $ 223.7 " 115.3 " 50.80 $ 15.31 $ 4.401& 0.465& 5
6 0.102& 0.000 0.052& 0.000 0.352& 23.03 $ 404.5 " 150.4 " 36.61 $ 15.04 $ 3.967& 1.263& 6
7 0.093& 0.000 0.031& 0.000 0.350& 39.38 $ 603.5 " 133.7 " 30.36 $ 12.76 $ 3.759& 4.844& 7
8 0.067& 0.000& 0.025& 0.000 0.286& 480.3 " 199.5 " 97.60 " 27.56 $ 11.27 $ 3.419& 8.680& 8
9 0.067& 0.000& 0.019& 0.074& 0.284& 260.5 " 116.1 " 81.86 " 26.23 $ 11.41 $ 2.677& 6.663& 9
10 0.128& 0.000 0.027& 0.211& 1.583& 815.5 " 95.61 " 73.83 " 25.97 $ 12.19 $ 2.022& 4.797& 10
11 0.107& 0.000 0.053& 0.164& 548.6 & 920.2 # 107.8 " 73.85 " 25.39 $ 11.99 $ 1.400& 3.354& 11
12 0.077& 0.000 0.187& 0.173& 516.7 " 246.9 " 835.8 # 70.09 " 24.24 $ 11.17 $ 1.011& 2.352& 12
13 0.075& 0.000 0.139& 0.119& 95.01 " 122.8 "2200 # 69.83 " 23.73 $ 11.04 $ 0.890& 1.664& 13
14 0.094& 0.000 0.099& 0.084& 49.70 $ 88.97 " 436.5 " 73.73 " 22.63 $ 11.31 $ 0.753& 1.014& 14
15 0.113& 0.000 0.069& 0.108& 33.76 $ 72.30 " 231.0 " 74.08 " 20.40 $ 11.22 $ 0.632& 0.785& 15
16 0.145& 0.000 0.039& 0.088& 25.13 $ 61.07 " 154.5 " 66.21 " 18.71 $ 12.06 $ 0.623& 0.614& 16
17 0.105& 0.000 0.020& 0.057& 19.55 $ 298.0 " 127.1 " 64.26 " 18.17 $ 11.68 $ 0.650& 0.579& 17
18 0.082& 0.000 0.020& 0.272& 16.23 $1820 # 121.0 " 81.44 " 21.03 $ 11.32 $ 0.912& 0.639& 18
19 0.050& 0.000 0.028& 0.311& 15.20 $1341 # 206.7 " 82.48 " 21.45 $ 10.79 $ 0.913& 0.372& 19
20 0.051& 0.000 0.037& 0.260& 15.20 $ 281.3 " 181.2 " 69.20 " 19.88 $ 8.734& 0.999& 0.266& 20
21 0.148& 0.006& 0.043& 0.254& 14.78 $ 159.4 " 235.1 # 58.56 " 25.38 $ 6.393& 1.218& 0.210& 21
22 0.214& 0.099& 0.062& 0.267& 15.63 $ 118.8 " 835.0 " 52.22 " 39.73 $ 4.769& 1.302& 0.141& 22
23 0.195& 0.089& 0.076& 0.285& 16.83 $ 98.91 " 460.3 " 48.48 $ 34.99 $ 4.797& 1.069& 0.074& 23
24 0.169& 0.074& 0.058& 0.338& 13.24 $ 85.32 " 165.5 " 45.65 $ 26.79 $ 8.435& 0.879& 0.056& 24
25 0.179& 0.116& 0.040& 0.277& 11.81 $ 77.33 " 129.0 " 44.06 $ 27.58 $ 10.51 $ 0.841& 0.049& 25
26 0.114& 0.131& 0.027& 0.275& 60.07 $ 106.3 " 240.2 " 41.61 $ 29.01 $ 8.548& 0.768& 0.061& 26
27 0.116& 0.115& 0.025& 0.361& 104.8 " 117.1 " 238.0 " 44.22 $ 24.95 $ 8.591& 0.605& 0.071& 27
28 0.065& 0.069& 0.036& 0.399& 99.46 " 100.6 " 123.1 " 66.10 " 22.73 $ 13.77 $ 0.483& 0.058& 28
29 0.028& 0.034& 0.281& 53.41 $ 79.76 " 96.12 " 61.18 " 21.03 $ 15.16 $ 0.458& 0.029& 29
30 0.007& 0.031& 0.254& 36.44 $ 70.46 " 86.59 " 51.42 $ 19.99 $ 10.99 & 0.548& 0.040& 30
31 0.000 0.017& 29.00 $ 105.0 " 43.31 $ 7.988& 0.065& 31
Mean 0.111& 0.025& 0.049& 0.164& 57.89 & 267.6 $ 307.9 # 91.72 $ 31.83 $ 11.55 & 1.963& 1.332&
Median 0.107& 0.000& 0.036& 0.168& 15.63 & 99.75 $ 168.3 # 70.09 $ 25.68 $ 11.31 & 1.005& 0.508&
Maximum 0.271& 0.131& 0.187& 0.399& 548.6 &1820 $2200 # 395.1 $ 76.26 $ 19.18 & 6.519& 8.680&
Minimum 0.000& 0.000& 0.014& 0.000& 0.194& 23.03 $ 86.59 # 41.61 $ 18.17 $ 4.769& 0.458& 0.029&
Total 3.454& 0.701& 1.509& 4.920&1795 &8029 $9544 #2843 $ 955.0 $ 358.1 & 58.90 & 41.31 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 64.75 & " ... Relative Uncertainty +/-10%
Ann. Median 4.401& # ... Relative Uncertainty +/-15%
Annual Total 23635 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2200 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 1999
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.11& 0.22& 0.03& 0.30& 0.84& 232.0 " 80.19" 101.1 " 52.82" 37.49$ 8.24& 2.42& 1
2 0.10& 0.29& 0.04& 0.22& 0.75& 182.9 " 68.90" 90.21" 53.24" 32.79$ 7.68& 2.38& 2
3 0.10& 0.23& 0.08& 0.23& 0.92& 258.7 " 66.09" 82.13" 103.7 " 29.16$ 7.50& 1.97& 3
4 0.08& 0.18& 0.06& 0.23& 1.24& 386.3 " 65.69" 72.47" 95.45" 26.86$ 7.03& 1.61& 4
5 0.05& 0.14& 0.03& 0.18& 1.61& 201.8 " 82.26" 64.56" 70.01" 26.38$ 6.26& 1.50& 5
6 0.05& 0.12& 0.03& 0.13& 2.23& 137.0 " 251.2 " 79.96" 54.31" 25.93$ 5.89& 1.42& 6
7 0.07& 0.10& 0.04& 0.09& 5.57& 116.7 " 206.6 " 97.10" 50.60$ 36.89$ 5.51& 1.43& 7
8 0.08& 0.06& 0.11& 0.09& 8.65& 109.7 " 117.1 " 98.18" 52.80$ 65.83" 4.74& 1.64& 8
9 0.06& 0.04& 0.11& 0.14& 6.35& 104.7 " 87.45" 72.61" 42.19$ 50.86$ 4.00& 1.47& 9
10 0.07& 0.03& 0.11& 1.15& 4.51& 97.11" 76.72" 65.85" 39.11$ 41.24$ 3.09& 1.15& 10
11 0.06& 0.07& 0.11& 16.92$ 3.75& 117.1 " 72.99" 96.04" 53.38$ 32.64$ 2.48& 0.82& 11
12 0.06& 0.10& 0.08& 7.61& 3.50& 146.7 " 69.45" 98.32" 75.40" 27.87$ 2.09& 0.56& 12
13 0.08& 0.10& 0.08& 4.34& 5.98& 114.2 " 213.8 " 71.49" 62.29" 25.55$ 2.43& 0.50& 13
14 0.11& 0.07& 0.15& 22.81& 23.11$ 145.1 " 202.2 " 56.46" 53.99" 39.88$ 3.46& 0.54& 14
15 0.09& 0.05& 0.11& 9.35& 25.88$ 197.3 " 133.1 " 51.04" 62.20" 37.93$ 4.32& 0.65& 15
16 0.07& 0.03& 0.11& 34.17& 16.61$ 146.0 " 118.7 " 54.73" 60.04" 29.29$ 4.99& 0.69& 16
17 0.11& 0.02& 0.28& 45.56$ 11.45$ 119.6 " 130.3 " 60.92" 47.98$ 25.15$ 5.47& 0.61& 17
18 0.12& 0.01& 0.29& 26.28$ 9.86$ 164.7 " 111.1 " 166.8 " 39.32$ 21.66$ 5.05& 0.41& 18
19 0.13& 0.01& 0.27& 17.65$ 28.56$ 161.4 " 90.84" 194.9 " 36.64$ 17.94$ 4.07& 0.28& 19
20 0.10& 0.01& 1.25& 11.73$ 40.96$ 122.3 " 91.50" 106.4 " 35.90$ 14.81$ 3.33& 0.23& 20
21 0.08& 0.00& 4.33& 8.30& 70.21" 101.7 " 335.7 " 75.20" 380.4 $ 12.78$ 2.64& 0.22& 21
22 0.07& 0.00& 5.67& 5.35& 37.20$ 87.45" 195.4 " 58.59" 378.4 " 11.19$ 1.97& 0.27& 22
23 0.06& 0.05& 3.50& 3.92& 24.09$ 213.2 " 102.6 " 51.81" 133.4 " 10.13$ 1.35& 0.40& 23
24 0.04& 0.15& 2.27& 3.10& 17.94$ 164.1 " 80.90" 75.48" 81.07" 10.46$ 0.99& 0.48& 24
25 0.17& 0.11& 2.31& 2.61& 28.22$ 105.2 " 71.45" 99.11" 59.91" 10.75$ 0.78& 0.55& 25
26 0.25& 0.07& 1.76& 2.22& 2765 $ 85.04" 384.9 " 82.57" 49.86" 9.52& 0.82& 0.57& 26
27 0.18& 0.04& 1.15& 1.93&14905 $ 128.8 " 488.1 " 63.04" 55.45" 8.22& 1.18& 0.43& 27
28 0.38& 0.04& 0.82& 1.48& 3398 $ 231.6 " 352.0 " 55.47" 61.01" 8.06& 1.77& 0.27& 28
29 0.49& 0.65& 1.18& 1538 # 202.6 " 660.8 " 53.09" 48.96$ 8.49& 2.15& 0.28& 29
30 0.36& 0.49& 1.03& 536.5 " 113.0 " 226.1 " 69.53" 42.02$ 8.72& 2.28& 0.25& 30
31 0.32& 0.38& 307.7 " 124.0 " 62.68" 8.53& 0.15& 31
Mean 0.132& 0.084& 0.861& 7.677& 768.7 & 156.5 " 172.8 " 81.54 " 81.06 $ 24.29 & 3.786& 0.844&
Median 0.085& 0.062& 0.149& 2.419& 16.61 & 141.0 " 117.1 " 72.61 " 54.15 $ 25.55 & 3.396& 0.560&
Maximum 0.49& 0.29& 5.67& 45.56&14905 & 386.3 " 660.8 " 194.9 " 380.4 $ 65.83& 8.24& 2.42&
Minimum 0.038& 0.000& 0.027& 0.090& 0.753& 85.04 " 65.69 " 51.04 " 35.90 $ 8.064& 0.782& 0.152&
Total 4.09& 2.35& 26.70& 230.3 &23829 & 4694 " 5358 " 2528 " 2432 $ 753.0 & 113.6 & 26.16&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 109.6 & " ... Relative Uncertainty +/-10%
Ann. Median 7.683& # ... Relative Uncertainty +/-15%
Annual Total 39997 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 14905 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2000
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.086& 0.016& 0.000 29.09 $ 13.47 $ 28.77 $ 43.85 $ 32.49 $ 66.11 " 12.69 $ 3.808& 0.771& 1
2 0.043& 0.018& 0.007& 25.68 $ 12.18 $ 22.74 $ 58.28 " 31.50 $ 54.81 " 11.82 $ 3.784& 0.756& 2
3 0.042& 0.030& 0.061& 22.89 $ 10.82 $ 18.54 $ 42.92 $ 30.54 $ 47.98 $ 11.68 $ 4.068& 0.681& 3
4 0.040& 0.029& 0.040& 29.86 $ 9.567& 14.72 $ 42.79 $ 28.82 $ 40.17 $ 11.82 $ 3.989& 0.683& 4
5 0.029& 0.024& 0.024& 41.68 $ 8.718& 11.90 $ 60.76 " 28.97 $ 35.08 $ 11.33 $ 4.071& 0.683& 5
6 0.017& 0.023& 0.019& 47.53 $ 8.095& 10.92 $ 54.19 " 136.3 $ 99.27 $ 12.22 $ 4.232& 0.730& 6
7 0.004& 0.016& 0.005& 33.95 $ 7.752& 10.31 $ 45.52 $ 105.9 " 88.68 " 12.29 $ 4.196& 0.877& 7
8 0.000& 0.002& 0.002& 25.97 $ 7.696& 10.57 $ 37.80 $ 73.03 " 70.40 " 10.34 & 4.063& 1.144& 8
9 0.000 0.001& 1.206& 22.16 $ 7.882& 10.61 $ 32.81 $ 51.68 $ 49.02 $ 8.595& 4.214& 1.195& 9
10 0.000 0.000&2705 $ 19.09 $ 9.625& 10.42 $ 33.06 $ 41.99 $ 38.68 $ 8.200& 4.081& 1.317& 10
11 0.000 0.000 1119 # 17.83 $ 22.63 $ 13.13 $ 88.36 " 36.03 $ 31.61 $ 7.229& 3.740& 1.272& 11
12 0.000 0.000 202.4 " 17.96 $ 27.19 $ 15.97 $ 94.10 " 32.51 $ 26.49 $ 6.992& 3.067& 1.149& 12
13 0.000 0.000 94.10 " 18.39 $ 25.80 $ 14.08 $ 87.91 " 30.05 $ 24.31 $ 6.742& 2.158& 0.875& 13
14 0.000 0.000 59.09 " 17.07 $ 20.86 $ 12.90 $ 81.46 " 29.15 $ 23.41 $ 6.042& 1.640& 0.534& 14
15 0.033& 0.000 43.14 $ 15.30 $ 18.58 $ 62.16 $ 68.35 " 46.65 $ 22.96 $ 5.189& 1.163& 0.542& 15
16 0.888& 0.000 34.55 $ 13.78 $ 16.08 $ 46.84 $ 53.72 " 130.1 " 22.02 $ 4.401& 0.951& 0.500& 16
17 5.354& 0.000 28.90 $ 12.37 $ 13.68 $ 29.34 $ 80.03 " 125.3 " 20.04 $ 4.619& 0.983& 0.575& 17
18 3.499& 0.000 24.01 $ 11.86 $ 11.79 $ 24.45 $ 91.19 " 82.62 " 18.48 $ 5.050& 1.531& 0.709& 18
19 1.353& 0.000 108.2 $ 11.40 $ 10.94 $ 43.42 $ 73.11 " 58.34 " 18.25 $ 4.293& 1.722& 0.872& 19
20 0.797& 0.000 1006 # 11.25 $ 10.41 $ 50.38 $ 57.69 " 45.02 $ 17.93 $ 3.391& 1.387& 0.924& 20
21 0.590& 0.000 579.6 " 10.94 $ 10.00 $ 40.83 $ 52.87 " 37.65 $ 17.58 $ 3.657& 1.018& 0.617& 21
22 0.708& 0.000 148.3 " 9.956$ 9.714$ 34.99 $ 52.28 " 31.92 $ 17.42 $ 5.152& 0.767& 0.734& 22
23 1.392& 0.000 78.71 " 8.848& 9.815$ 32.05 $ 57.89 " 28.50 $ 17.51 $ 5.922& 0.652& 0.594& 23
24 1.938& 0.000 58.09 " 7.370& 10.12 $ 31.27 $ 58.33 " 27.12 $ 17.63 $ 5.263& 0.693& 0.554& 24
25 1.387& 0.000 58.57 " 6.616& 10.20 $ 33.92 $ 47.77 $ 30.33 $ 17.13 $ 4.924& 0.713& 0.506& 25
26 0.774& 0.000 191.2 " 7.208& 9.953$ 38.73 $ 37.55 $ 31.34 $ 15.61 $ 4.487& 0.987& 0.427& 26
27 0.424& 0.000 184.5 " 12.98 & 9.660$ 35.50 $ 31.45 $ 31.95 $ 13.78 $ 4.266& 1.197& 0.182& 27
28 0.249& 0.000 72.89 " 19.22 $ 9.101& 29.11 $ 29.43 $ 33.39 $ 14.28 $ 3.436& 1.160& 0.109& 28
29 0.168& 0.000 49.16 $ 18.73 $ 8.785& 26.48 $ 32.59 $ 45.41 $ 16.43 $ 2.828& 1.058& 0.097& 29
30 0.090& 39.47 $ 15.90 $ 8.540& 24.87 $ 34.87 $ 52.80 " 14.82 $ 2.990& 0.909& 0.144& 30
31 0.047& 33.29 $ 20.74 $ 33.62 $ 52.18 " 3.385& 0.102& 31
Mean 0.644& 0.005& 223.2 & 18.76 & 12.59 & 26.33 $ 54.73 $ 50.95 $ 32.60 $ 6.814& 2.267& 0.673&
Median 0.086& 0.000& 49.16 & 17.45 & 10.12 & 25.68 $ 52.87 $ 36.03 $ 22.49 $ 5.263& 1.585& 0.683&
Maximum 5.354& 0.030&2705 & 47.53 & 27.19 & 62.16 $ 94.10 $ 136.3 $ 99.27 $ 12.69 & 4.232& 1.317&
Minimum 0.000& 0.000& 0.000& 6.616& 7.696& 10.31 $ 29.43 $ 27.12 $ 13.78 $ 2.828& 0.652& 0.097&
Total 19.95 & 0.159&6920 & 562.9 & 390.4 & 789.9 $1697 $1580 $ 977.9 $ 211.2 & 68.00 & 20.86 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 36.17 & " ... Relative Uncertainty +/-10%
Ann. Median 10.93 & # ... Relative Uncertainty +/-15%
Annual Total 13237 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2705 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2001
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.138& 0.627& 0.315& 0.229& 2.587& 38.64 $ 13.32 $ 180.6 " 24.34 $ 55.38 " 16.63 $ 2.718& 1
2 0.362& 0.752& 0.287& 0.289& 3.070& 30.47 $ 14.02 $ 86.78 " 23.70 $ 44.31 $ 14.36 $ 2.661& 2
3 0.495& 0.742& 0.286& 0.450& 3.434& 21.97 $ 14.99 $ 65.73 " 23.08 $ 31.40 $ 12.74 $ 2.852& 3
4 0.554& 0.615& 0.220& 0.525& 3.492& 18.01 $ 16.10 $ 60.07 " 22.49 $ 25.31 $ 11.35 $ 2.657& 4
5 0.565& 0.360& 0.097& 0.440& 3.281& 15.47 $ 15.87 $ 54.24 " 22.20 $ 22.95 $ 9.423& 2.558& 5
6 0.589& 0.258& 0.035& 0.744& 5.013& 13.19 $ 14.55 $ 49.32 " 28.27 $ 32.28 $ 8.192& 2.615& 6
7 0.788& 0.236& 0.027& 0.759& 13.29 & 11.61 $ 20.50 $ 47.00 $ 36.60 $ 33.15 $ 7.789& 2.466& 7
8 1.114& 0.278& 0.013& 0.788& 11.34 & 11.11 $ 135.2 $ 43.25 $ 33.18 $ 28.63 $ 8.113& 2.347& 8
9 1.526& 0.188& 0.062& 0.813& 7.670& 11.35 $ 104.9 " 68.04 $ 29.35 $ 23.49 $ 7.459& 2.025& 9
10 2.206& 0.201& 0.123& 0.731& 6.960& 12.77 $ 83.55 " 77.67 " 56.19 $ 19.39 $ 5.440& 1.523& 10
11 2.439& 1.224& 0.094& 0.695& 7.067& 32.84 $ 70.34 " 68.51 " 45.82 $ 16.68 $ 3.441& 1.154& 11
12 2.080& 3.991& 0.065& 0.935& 9.926& 47.01 $ 44.79 $ 52.51 $ 32.97 $ 14.70 $ 2.240& 0.911& 12
13 1.526& 4.048& 0.020& 1.316& 13.90 $ 35.03 $ 36.01 $ 44.28 $ 28.10 $ 13.31 $ 1.499& 0.675& 13
14 1.117& 1.615& 0.023& 1.569& 12.98 $ 25.07 $ 31.29 $ 41.79 $ 25.20 $ 11.84 $ 1.287& 0.499& 14
15 0.906& 0.754& 0.052& 1.466& 9.717& 21.80 $ 26.76 $ 69.79 $ 23.72 $ 11.68 $ 2.474& 0.361& 15
16 0.766& 0.362& 0.126& 1.425& 7.805& 31.31 $ 23.39 $ 92.57 " 22.30 $ 11.95 $ 5.482& 0.270& 16
17 0.638& 0.258& 0.180& 1.405& 6.341& 33.57 $ 20.99 $ 65.46 " 21.06 $ 10.99 $ 6.066& 0.289& 17
18 0.903& 0.224& 0.250& 1.408& 5.126& 26.94 $ 19.67 $ 45.37 $ 20.50 $ 9.576& 5.056& 0.379& 18
19 1.366& 0.251& 0.748& 1.480& 4.629& 22.57 $ 18.46 $ 37.77 $ 19.27 $ 14.21 & 4.078& 0.600& 19
20 1.432& 0.212& 0.646& 1.383& 7.402& 19.38 $ 18.02 $ 34.10 $ 18.14 $ 48.52 $ 3.958& 0.773& 20
21 1.272& 0.233& 0.513& 1.027& 14.45 $ 16.99 $ 18.36 $ 31.43 $ 17.82 $ 45.49 $ 4.210& 0.812& 21
22 1.445& 0.295& 0.405& 0.884& 10.76 $ 14.95 $ 18.63 $ 29.07 $ 19.85 $ 41.58 $ 3.720& 0.752& 22
23 1.428& 0.306& 0.366& 1.270& 8.915& 13.64 $ 18.35 $ 27.60 $ 25.84 $ 35.94 $ 3.004& 0.751& 23
24 1.311& 0.354& 0.331& 2.727& 8.392& 12.54 $ 17.42 $ 28.82 $ 21.92 $ 26.88 $ 2.702& 0.709& 24
25 0.901& 0.434& 0.215& 5.258& 8.668& 11.82 $ 15.93 $ 32.79 $ 18.26 $ 20.33 $ 2.735& 0.826& 25
26 0.605& 0.543& 0.173& 3.549& 9.487& 11.39 $ 14.33 $ 30.22 $ 15.81 $ 16.08 $ 2.584& 0.816& 26
27 0.458& 0.492& 0.291& 2.639& 9.239& 11.04 $ 13.33 $ 26.01 $ 14.86 $ 13.07 $ 2.278& 0.748& 27
28 0.398& 0.404& 0.289& 2.305& 7.992& 10.96 $ 84.82 $ 23.02 $ 18.00 $ 11.36 $ 1.973& 0.921& 28
29 0.438& 0.252& 2.166& 8.195& 11.28 $ 152.5 " 21.78 $ 52.43 $ 10.65 $ 2.019& 0.900& 29
30 0.461& 0.237& 2.280& 29.34 $ 12.26 $ 797.0 # 24.82 $ 77.55 " 16.33 $ 2.431& 0.854& 30
31 0.523& 0.253& 52.03 $ 500.0 " 25.54 $ 18.62 $ 0.912& 31
Mean 0.992& 0.723& 0.226& 1.432& 10.08 & 20.23 $ 77.21 $ 51.16 $ 27.96 $ 23.74 & 5.491& 1.269&
Median 0.901& 0.361& 0.220& 1.293& 8.195& 16.23 $ 19.67 $ 44.28 $ 23.39 $ 19.39 & 4.018& 0.854&
Maximum 2.439& 4.048& 0.748& 5.258& 52.03 & 47.01 $ 797.0 $ 180.6 $ 77.55 $ 55.38 & 16.63 & 2.852&
Minimum 0.138& 0.188& 0.013& 0.229& 2.587& 10.96 $ 13.32 $ 21.78 $ 14.86 $ 9.576& 1.287& 0.270&
Total 30.75 & 20.26 & 6.992& 42.95 & 312.5 & 607.0 $2393 $1586 $ 838.8 $ 736.1 & 164.7 & 39.33 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 18.57 & " ... Relative Uncertainty +/-10%
Ann. Median 7.067& # ... Relative Uncertainty +/-15%
Annual Total 6779 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 797.0 & 0.013&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2002
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.707& 1.056& 0.020& 0.728& 3.345& 4.984& 34.37 $ 27.94 $ 25.02 $ 6.805& 5.382& 1.843& 1
2 0.778& 0.752& 0.019& 0.989& 2.744& 5.014& 30.20 $ 25.85 $ 47.71 $ 6.722& 6.016& 1.726& 2
3 0.693& 0.524& 0.019& 1.038& 3.471& 8.039& 24.02 $ 25.13 $ 50.28 $ 6.738& 5.914& 1.528& 3
4 0.699& 0.346& 0.041& 0.850& 6.224& 26.34 $ 20.78 $ 24.65 $ 37.44 $ 6.609& 5.120& 1.285& 4
5 0.619& 0.237& 0.072& 0.612& 6.825& 46.03 $ 20.04 $ 29.98 $ 32.25 $ 9.377& 4.850& 0.819& 5
6 0.448& 0.111& 0.144& 0.417& 9.669& 43.16 $ 22.40 $ 33.06 $ 28.35 $ 20.91 $ 4.837& 0.592& 6
7 0.451& 0.043& 0.278& 0.358& 19.81 $ 29.46 $ 31.03 $ 27.87 $ 25.36 $ 20.17 $ 4.587& 0.691& 7
8 0.417& 0.019& 0.216& 0.357& 14.86 $ 22.04 $ 42.03 $ 24.88 $ 22.38 $ 18.54 $ 4.458& 0.617& 8
9 0.377& 0.004& 0.179& 0.596& 11.77 $ 17.74 $ 39.35 $ 51.68 $ 20.50 $ 15.39 $ 4.284& 0.500& 9
10 0.439& 0.000 0.198& 1.377& 10.87 $ 15.25 $ 36.87 $ 48.33 $ 19.32 $ 12.74 $ 4.667& 0.390& 10
11 0.616& 0.000 0.226& 1.517& 8.803& 14.41 $ 38.54 $ 36.10 $ 18.42 $ 11.49 $ 5.637& 0.238& 11
12 0.684& 0.000 0.195& 1.720& 8.775& 14.73 $ 39.94 $ 27.76 $ 17.09 $ 10.89 $ 5.705& 0.184& 12
13 0.718& 0.000 0.296& 1.566& 8.307& 17.92 $ 42.29 $ 24.85 $ 15.99 $ 10.21 $ 4.693& 0.180& 13
14 0.703& 0.000 0.506& 1.449& 7.593& 33.36 $ 34.72 $ 21.84 $ 15.31 $ 9.704$ 3.218& 0.200& 14
15 0.741& 0.000 0.797& 1.337& 7.508& 27.24 $ 32.73 $ 22.77 $ 24.63 $ 9.405& 2.416& 0.212& 15
16 0.970& 0.000 0.909& 1.335& 8.268& 21.35 $ 29.07 $ 31.74 $ 30.13 $ 9.041& 2.360& 0.215& 16
17 1.212& 0.000 0.897& 2.223& 9.876& 17.83 $ 24.75 $ 29.37 $ 22.62 $ 8.871& 2.418& 0.415& 17
18 1.247& 0.042& 0.957& 4.191& 11.17 $ 16.10 $ 21.24 $ 24.23 $ 18.01 $ 9.122& 3.082& 0.510& 18
19 1.103& 0.106& 1.140& 4.581& 9.336& 23.93 $ 20.37 $ 21.32 $ 15.80 $ 9.958$ 2.728& 0.575& 19
20 0.846& 0.093& 1.185& 4.169& 10.26 & 24.13 $ 20.93 $ 19.68 $ 15.21 $ 9.149& 2.355& 0.554& 20
21 0.588& 0.081& 1.455& 2.829& 21.88 $ 20.30 $ 36.58 $ 18.29 $ 15.28 $ 8.336& 1.931& 0.485& 21
22 0.451& 0.038& 1.697& 2.570& 18.71 $ 18.14 $ 42.32 $ 17.95 $ 15.02 $ 7.502& 1.873& 0.615& 22
23 0.476& 0.036& 1.731& 4.249& 12.71 $ 17.06 $ 35.30 $ 17.37 $ 14.77 $ 6.546& 2.360& 0.685& 23
24 0.416& 0.045& 1.711& 10.07 & 10.22 $ 15.84 $ 32.92 $ 16.32 $ 14.05 $ 6.130& 3.346& 0.704& 24
25 0.448& 0.044& 1.517& 7.337& 9.242$ 15.27 $ 43.25 $ 17.94 $ 12.90 $ 6.191& 3.643& 0.700& 25
26 0.590& 0.053& 1.074& 4.383& 8.926& 15.35 $ 37.04 $ 22.46 $ 11.98 $ 6.300& 2.992& 0.776& 26
27 0.595& 0.062& 0.727& 3.698& 8.365& 16.92 $ 33.73 $ 24.01 $ 11.37 $ 6.337& 2.148& 1.013& 27
28 0.519& 0.043& 0.516& 3.610& 8.232& 16.41 $ 31.98 $ 23.57 $ 10.56 $ 6.498& 1.747& 1.225& 28
29 0.691& 0.409& 3.566& 7.583& 24.89 $ 26.06 $ 21.89 $ 9.004& 6.763& 1.649& 1.122& 29
30 1.047& 0.416& 3.633& 7.035& 30.57 $ 26.40 $ 30.51 $ 7.399& 6.357& 1.704& 0.873& 30
31 1.324& 0.439& 5.963& 33.49 $ 25.76 $ 5.750& 0.552& 31
Mean 0.697& 0.133& 0.645& 2.578& 9.624& 20.66 & 31.77 $ 26.29 $ 20.80 & 9.502& 3.604& 0.710&
Median 0.684& 0.043& 0.439& 1.643& 8.803& 17.88 & 32.92 $ 24.85 $ 17.55 & 8.871& 3.282& 0.615&
Maximum 1.324& 1.056& 1.731& 10.07 & 21.88 & 46.03 & 43.25 $ 51.68 $ 50.28 & 20.91 & 6.016& 1.843&
Minimum 0.377& 0.000& 0.019& 0.357& 2.744& 4.984& 20.04 $ 16.32 $ 7.399& 5.750& 1.649& 0.180&
Total 21.61 & 3.736& 19.99 & 77.35 & 298.3 & 619.8 & 984.7 $ 815.1 $ 624.1 & 294.6 & 108.1 & 22.02 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 10.66 & $ ... Relative Uncertainty +/-20%
Ann. Median 5.750& & ... Relative Uncertainty +/-30%
Annual Total 3890 &
Maximum Minimum
Daily 51.68 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2003
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.385& 0.043& 0.112& 4.151& 2.711& 14.13 $ 55.01 " 41.37 $ 31.60 $ 38.39 $ 4.960& 1.921& 1
2 0.322& 0.039& 0.037& 2.640& 2.257& 14.09 $ 44.83 $ 35.36 $ 28.49 $ 31.03 $ 3.858& 1.911& 2
3 0.312& 0.041& 0.008& 1.653& 1.732& 18.73 $ 36.58 $ 35.38 $ 26.20 $ 24.53 $ 3.139& 1.963& 3
4 0.312& 0.084& 0.002& 1.307& 1.370& 18.18 $ 48.32 $ 46.02 $ 26.31 $ 21.63 $ 3.054& 1.551& 4
5 0.267& 0.106& 0.002& 1.106& 1.181& 15.92 $ 53.82 " 44.70 $ 36.81 $ 20.03 $ 3.386& 1.081& 5
6 0.285& 0.104& 0.008& 1.096& 1.277& 14.18 $ 61.92 " 43.56 $ 40.89 $ 18.38 $ 3.854& 0.751& 6
7 0.311& 0.127& 0.022& 1.053& 1.867& 13.18 $ 62.31 " 39.04 $ 57.02 $ 16.39 $ 4.071& 0.729& 7
8 0.223& 0.120& 0.028& 0.966& 3.587& 11.82 $ 54.88 " 31.02 $ 66.49 " 15.00 $ 3.969& 0.769& 8
9 0.145& 0.082& 0.029& 0.883& 16.48 & 10.85 $ 44.16 $ 27.40 $ 80.37 " 13.28 $ 3.982& 0.642& 9
10 0.195& 0.095& 0.039& 1.182& 21.75 $ 10.33 $ 36.11 $ 28.44 $ 86.78 " 11.64 $ 3.712& 0.637& 10
11 0.223& 0.115& 0.048& 12.02 & 12.66 & 10.46 $ 38.01 $ 150.4 " 72.92 " 11.54 $ 3.288& 0.557& 11
12 0.198& 0.144& 0.062& 35.35 $ 8.017& 10.15 $ 41.46 $ 203.1 " 53.03 $ 11.56 $ 2.745& 0.423& 12
13 0.119& 0.133& 0.075& 36.40 $ 6.865& 9.325& 35.64 $ 134.2 " 43.62 $ 11.80 $ 2.603& 0.522& 13
14 0.069& 0.165& 0.070& 21.90 $ 6.739& 8.552& 57.51 $ 68.45 " 37.94 $ 13.92 $ 2.572& 0.691& 14
15 0.064& 0.322& 0.085& 13.06 $ 10.58 & 8.046& 142.2 " 50.45 $ 33.31 $ 13.16 $ 2.817& 0.876& 15
16 0.056& 0.456& 0.117& 8.663& 50.97 $ 7.536& 101.6 " 42.53 $ 29.34 $ 11.55 $ 61.56 & 0.891& 16
17 0.042& 0.590& 0.124& 6.537& 40.50 $ 7.357& 60.79 " 43.36 $ 27.26 $ 10.64 $ 52.57 $ 0.901& 17
18 0.092& 0.633& 0.104& 5.325& 34.51 $ 7.082& 45.25 $ 42.46 $ 25.62 $ 10.31 $ 23.81 $ 1.294& 18
19 0.121& 0.635& 0.133& 4.587& 26.54 $ 6.716& 39.05 $ 150.8 $ 24.44 $ 9.367& 15.39 $ 1.552& 19
20 0.113& 0.613& 0.100& 4.375& 22.21 $ 6.399& 35.28 $ 191.6 " 24.54 $ 8.509& 10.72 $ 1.715& 20
21 0.123& 0.537& 0.085& 4.124& 28.91 $ 6.494& 33.33 $ 129.5 " 30.40 $ 8.349& 8.316& 1.593& 21
22 0.124& 0.575& 0.108& 3.666& 30.08 $ 21.64 & 31.84 $ 227.6 " 40.83 $ 8.309& 5.559& 1.130& 22
23 0.224& 0.645& 0.221& 3.019& 24.98 $ 38.63 $ 29.67 $ 311.0 " 38.83 $ 8.137& 3.695& 0.789& 23
24 0.244& 0.678& 0.238& 2.885& 21.78 $ 33.04 $ 27.64 $ 164.8 " 32.91 $ 8.039& 3.220& 0.696& 24
25 0.222& 0.631& 0.219& 3.238& 17.21 $ 27.02 $ 26.30 $ 89.63 " 30.24 $ 8.120& 3.033& 0.569& 25
26 0.207& 0.530& 0.189& 3.901& 14.77 $ 27.65 $ 25.04 $ 67.55 " 26.64 $ 7.924& 3.394& 0.538& 26
27 0.189& 0.353& 0.363& 3.685& 13.20 $ 49.28 $ 25.09 $ 55.00 " 23.67 $ 7.957& 3.725& 0.576& 27
28 0.168& 0.184& 0.645& 3.205& 10.54 & 62.87 " 25.14 $ 47.72 $ 21.82 $ 8.212& 3.242& 0.584& 28
29 0.123& 1.074& 2.852& 8.130& 66.59 " 23.94 $ 44.51 $ 22.04 $ 7.585& 2.554& 0.563& 29
30 0.098& 2.169& 2.749& 7.137& 62.51 " 34.07 $ 41.05 $ 40.92 $ 6.822& 2.128& 0.474& 30
31 0.071& 3.712& 11.20 & 43.63 $ 35.87 $ 6.062& 0.443& 31
Mean 0.182& 0.314& 0.330& 6.586& 14.89 & 20.63 & 45.82 $ 85.93 $ 38.71 $ 13.17 & 8.497& 0.946&
Median 0.189& 0.174& 0.100& 3.452& 11.20 & 13.63 & 39.05 $ 46.02 $ 32.26 $ 11.54 & 3.704& 0.751&
Maximum 0.385& 0.678& 3.712& 36.40 & 50.97 & 66.59 & 142.2 $ 311.0 $ 86.78 $ 38.39 & 61.56 & 1.963&
Minimum 0.042& 0.039& 0.002& 0.883& 1.181& 6.399& 23.94 $ 27.40 $ 21.82 $ 6.062& 2.128& 0.423&
Total 5.649& 8.782& 10.23 & 197.6 & 461.7 & 618.8 &1420 $2664 $1161 $ 408.2 & 254.9 & 29.33 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 19.84 & " ... Relative Uncertainty +/-10%
Ann. Median 6.822& $ ... Relative Uncertainty +/-20%
Annual Total 7241 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 311.0 & 0.002&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2004
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.444& 0.416& 0.178& 0.258& 0.516& 60.47 $ 21.68 $ 25.77 $ 18.65 $ 11.31 $ 3.330& 0.537& 1
2 0.484& 0.374& 0.291& 0.215& 0.524& 33.96 $ 21.67 $ 23.01 $ 17.21 $ 11.41 $ 3.275& 0.488& 2
3 0.538& 0.210& 0.284& 0.288& 0.624& 22.45 $ 33.32 $ 21.74 $ 15.76 $ 11.08 $ 3.029& 0.453& 3
4 0.555& 0.124& 0.193& 0.346& 0.702& 18.23 $ 28.56 $ 20.88 $ 15.10 $ 10.36 $ 2.857& 0.371& 4
5 0.642& 0.123& 0.188& 0.336& 0.617& 66.01 $ 22.42 $ 20.59 $ 26.51 $ 9.786$ 2.706& 0.398& 5
6 0.776& 0.185& 0.174& 0.473& 0.684& 34.49 $ 20.64 $ 48.21 $ 29.64 $ 9.855$ 2.233& 0.388& 6
7 0.790& 0.191& 0.151& 0.608& 5.590& 24.99 $ 230.5 $ 48.52 $ 27.48 $ 9.854$ 2.020& 0.373& 7
8 0.549& 0.168& 0.155& 0.778& 54.68 $ 22.68 $ 167.1 " 34.02 $ 24.23 $ 9.084& 1.989& 0.264& 8
9 0.341& 0.163& 0.147& 1.068& 53.62 $ 23.35 $ 76.00 " 26.29 $ 20.63 $ 8.330& 2.129& 0.202& 9
10 0.194& 0.187& 0.109& 1.161& 49.26 $ 22.13 $ 56.11 $ 22.24 $ 18.45 $ 7.980& 3.623& 0.283& 10
11 0.118& 0.317& 0.072& 1.197& 16.98 $ 37.28 $ 40.82 $ 23.66 $ 15.31 $ 7.879& 4.882& 0.373& 11
12 0.082& 0.557& 0.068& 1.262& 10.83 & 42.03 $ 32.69 $ 76.39 $ 11.99 $ 8.135& 5.391& 0.297& 12
13 0.074& 0.701& 0.072& 1.218& 7.305& 30.98 $ 27.88 $ 56.38 $ 10.21 $ 9.638& 4.471& 0.298& 13
14 0.104& 0.775& 0.067& 1.133& 6.211& 25.39 $ 25.10 $ 44.68 $ 9.176& 9.265& 3.576& 0.314& 14
15 0.115& 0.668& 0.045& 1.060& 5.232& 21.68 $ 23.79 $ 38.94 $ 8.910& 7.566& 2.749& 0.305& 15
16 0.098& 0.519& 0.054& 0.868& 23.36 & 19.63 $ 23.03 $ 33.99 $ 9.613& 6.765& 2.461& 0.257& 16
17 0.095& 0.349& 0.176& 0.757& 38.56 $ 17.92 $ 21.53 $ 29.39 $ 10.48 $ 6.456& 2.340& 0.262& 17
18 0.094& 0.264& 0.237& 0.739& 23.25 $ 19.11 $ 20.00 $ 26.73 $ 11.18 $ 6.217& 2.167& 0.253& 18
19 0.066& 0.205& 0.223& 0.870& 14.95 $ 18.98 $ 19.00 $ 24.42 $ 11.38 $ 6.233& 1.581& 0.217& 19
20 0.099& 0.187& 0.186& 0.960& 11.21 $ 16.64 $ 19.18 $ 23.08 $ 11.11 $ 6.379& 1.230& 0.208& 20
21 0.105& 0.210& 0.225& 1.128& 13.16 $ 14.03 $ 24.80 $ 22.83 $ 10.69 $ 7.414& 0.836& 0.189& 21
22 0.118& 0.143& 0.288& 1.241& 40.47 $ 16.63 $ 34.49 $ 23.17 $ 10.15 $ 8.194& 0.561& 0.222& 22
23 0.138& 0.095& 0.378& 1.200& 30.00 $ 25.72 $ 38.36 $ 22.88 $ 19.05 $ 7.471& 0.392& 0.194& 23
24 0.252& 0.116& 0.492& 1.095& 47.86 $ 25.06 $ 37.88 $ 30.04 $ 39.32 $ 5.721& 0.406& 0.188& 24
25 0.256& 0.136& 0.496& 1.117& 28.17 $ 20.75 $ 32.32 $ 43.16 $ 29.69 $ 4.782& 0.511& 0.166& 25
26 0.208& 0.216& 0.397& 0.911& 18.81 $ 16.86 $ 27.91 $ 42.54 $ 22.85 $ 4.297& 0.642& 0.133& 26
27 0.211& 0.284& 0.328& 0.768& 13.50 $ 14.66 $ 25.05 $ 35.44 $ 19.69 $ 3.583& 0.669& 0.181& 27
28 0.239& 0.242& 0.221& 0.672& 10.79 $ 23.43 $ 23.10 $ 33.20 $ 16.28 $ 3.178& 0.665& 0.190& 28
29 0.326& 0.206& 0.272& 0.548& 9.361& 28.94 $ 22.46 $ 30.46 $ 13.29 $ 3.025& 0.658& 0.173& 29
30 0.410& 0.316& 0.490& 8.719& 24.55 $ 26.12 $ 25.34 $ 11.79 $ 3.093& 0.667& 0.178& 30
31 0.394& 0.333& 11.57 & 29.06 $ 21.10 $ 3.202& 0.185& 31
Mean 0.288& 0.287& 0.220& 0.825& 17.97 & 26.30 $ 40.41 $ 32.23 $ 17.19 & 7.340& 2.135& 0.275&
Median 0.211& 0.210& 0.193& 0.869& 11.57 & 23.01 $ 26.12 $ 26.73 $ 15.54 & 7.566& 2.148& 0.257&
Maximum 0.790& 0.775& 0.496& 1.262& 54.68 & 66.01 $ 230.5 $ 76.39 $ 39.32 & 11.41 & 5.391& 0.537&
Minimum 0.066& 0.095& 0.045& 0.215& 0.516& 14.03 $ 19.00 $ 20.59 $ 8.910& 3.025& 0.392& 0.133&
Total 8.914& 8.331& 6.814& 24.76 & 557.1 & 789.0 $1253 $ 999.1 $ 515.8 & 227.5 & 64.05 & 8.540&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 12.19 & " ... Relative Uncertainty +/-10%
Ann. Median 3.136& $ ... Relative Uncertainty +/-20%
Annual Total 4463 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 230.5 & 0.045&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2005
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.174& 0.180& 0.194& 2.720& 7.712& 6.032& 30.91 $ 17.08 $ 23.62 $ 14.63 $ 8.783& 1.096& 1
2 0.144& 0.157& 0.198& 3.406& 37.56 $ 5.479& 29.52 $ 16.12 $ 20.78 $ 13.73 $ 7.301& 1.037& 2
3 0.144& 0.091& 0.120& 3.213& 42.81 $ 6.249& 28.04 $ 19.15 $ 18.99 $ 12.65 $ 6.211& 1.189& 3
4 0.157& 0.050& 0.108& 2.812& 39.94 $ 7.889& 29.43 $ 18.68 $ 18.02 $ 14.04 $ 5.876& 1.171& 4
5 0.100& 0.038& 0.117& 1.719& 25.87 $ 10.17 & 33.80 $ 16.90 $ 17.36 $ 20.82 $ 5.499& 1.120& 5
6 0.094& 0.078& 0.149& 1.389& 16.43 $ 14.53 $ 30.30 $ 15.10 $ 24.37 $ 18.41 $ 5.253& 1.063& 6
7 0.094& 0.106& 0.145& 1.184& 11.46 $ 36.49 $ 26.41 $ 13.86 $ 23.85 $ 15.73 $ 5.311& 0.968& 7
8 0.069& 0.088& 0.123& 1.020& 9.139& 49.26 $ 24.64 $ 12.83 $ 24.84 $ 13.08 $ 5.243& 0.836& 8
9 0.138& 0.095& 0.113& 1.164& 7.290& 107.1 " 22.96 $ 12.18 $ 28.49 $ 11.60 $ 4.632& 0.813& 9
10 0.126& 0.141& 0.105& 1.048& 5.824& 81.08 " 21.22 $ 12.14 $ 29.45 $ 10.57 $ 4.159& 0.800& 10
11 0.129& 0.217& 0.120& 0.871& 5.055& 97.42 " 20.46 $ 14.08 $ 23.42 $ 8.863& 3.741& 0.816& 11
12 0.139& 0.240& 0.145& 0.834& 20.11 & 96.07 " 20.19 $ 15.43 $ 20.21 $ 7.869& 3.542& 0.801& 12
13 0.103& 0.244& 0.191& 0.894& 26.66 $ 73.53 " 22.38 $ 29.72 $ 20.46 $ 7.273& 3.431& 0.742& 13
14 0.095& 0.258& 0.432& 0.836& 17.57 $ 50.10 $ 26.45 $ 37.49 $ 19.58 $ 6.856& 3.235& 0.732& 14
15 0.108& 0.244& 0.447& 0.742& 12.24 $ 39.73 $ 28.10 $ 29.99 $ 17.71 $ 6.731& 3.051& 0.714& 15
16 0.065& 0.215& 0.241& 0.789& 16.50 $ 40.92 $ 29.60 $ 61.85 $ 15.33 $ 6.730& 3.020& 0.649& 16
17 0.027& 0.182& 0.128& 0.943& 23.77 $ 293.4 " 28.25 $ 93.50 " 13.81 $ 6.893& 3.029& 0.645& 17
18 0.029& 0.168& 0.108& 0.957& 19.33 $ 195.1 " 24.76 $ 86.08 " 13.60 $ 7.016& 2.796& 0.598& 18
19 0.056& 0.139& 0.141& 0.965& 22.13 $ 128.2 " 22.07 $ 76.04 " 13.51 $ 6.870& 2.279& 0.622& 19
20 0.086& 0.100& 0.255& 0.917& 24.14 $ 76.21 " 20.29 $ 56.54 $ 26.56 $ 6.654& 1.882& 0.577& 20
21 0.085& 0.127& 0.283& 1.011& 25.31 $ 56.09 " 36.12 $ 38.92 $ 49.79 $ 6.637& 1.806& 0.524& 21
22 0.098& 0.191& 0.278& 1.121& 42.21 $ 45.36 $ 46.38 $ 30.76 $ 43.88 $ 6.771& 1.777& 0.456& 22
23 0.129& 0.209& 0.308& 1.190& 41.11 $ 55.05 $ 43.47 $ 26.32 $ 30.33 $ 6.814& 1.730& 0.398& 23
24 0.147& 0.216& 0.294& 1.307& 37.52 $ 93.48 " 35.04 $ 23.91 $ 25.00 $ 6.705& 1.792& 0.334& 24
25 0.108& 0.190& 0.315& 1.364& 24.09 $ 93.83 " 29.34 $ 23.19 $ 20.32 $ 8.053& 1.603& 0.287& 25
26 0.112& 0.192& 0.319& 1.462& 17.34 $ 55.65 $ 25.39 $ 22.87 $ 17.45 $ 8.886& 1.415& 0.337& 26
27 0.108& 0.244& 0.348& 1.564& 12.43 $ 43.24 $ 22.83 $ 22.42 $ 15.13 $ 8.657& 1.159& 0.386& 27
28 0.153& 0.214& 0.456& 1.556& 9.605& 36.59 $ 21.05 $ 21.79 $ 13.23 $ 9.638& 1.092& 0.330& 28
29 0.159& 0.874& 1.518& 8.323& 32.91 $ 20.24 $ 22.40 $ 12.97 $ 16.21 $ 1.164& 0.312& 29
30 0.139& 0.563& 2.526& 7.424& 31.57 $ 19.49 $ 28.14 $ 14.40 $ 14.69 $ 1.147& 0.323& 30
31 0.123& 0.973& 6.680& 18.52 $ 28.35 $ 10.50 $ 0.320& 31
Mean 0.111& 0.165& 0.277& 1.435& 20.12 & 65.29 & 27.02 $ 30.45 $ 21.88 $ 10.34 & 3.432& 0.677&
Median 0.108& 0.181& 0.198& 1.174& 17.57 & 49.68 & 26.41 $ 22.87 $ 20.27 $ 8.863& 3.040& 0.649&
Maximum 0.174& 0.258& 0.973& 3.406& 42.81 & 293.4 & 46.38 $ 93.50 $ 49.79 $ 20.82 & 8.783& 1.189&
Minimum 0.027& 0.038& 0.105& 0.742& 5.055& 5.479& 18.52 $ 12.14 $ 12.97 $ 6.637& 1.092& 0.287&
Total 3.437& 4.615& 8.592& 43.04 & 623.6 &1959 & 837.6 $ 943.8 $ 656.5 $ 320.6 & 103.0 & 21.00 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 15.14 & " ... Relative Uncertainty +/-10%
Ann. Median 6.211& $ ... Relative Uncertainty +/-20%
Annual Total 5524 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 293.4 & 0.027&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2006
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.262& 0.150& 0.171& 0.241& 0.361& 3.579& 4.939& 19.45 $ 10.24 $ 4.134& 2.029& 0.318& 1
2 0.180& 0.152& 0.251& 0.369& 0.357& 3.022& 5.351& 23.13 $ 12.04 $ 3.986& 2.068& 0.293& 2
3 0.180& 0.156& 0.288& 0.326& 0.379& 2.582& 5.514& 19.80 $ 11.60 $ 4.236& 1.911& 0.246& 3
4 0.247& 0.127& 0.207& 0.258& 0.393& 2.242& 5.743& 15.98 $ 9.793& 3.996& 1.699& 0.248& 4
5 0.297& 0.081& 0.119& 0.199& 0.416& 2.089& 5.844& 14.05 $ 8.215& 3.817& 1.559& 0.284& 5
6 0.282& 0.066& 0.068& 0.148& 0.434& 1.923& 5.373& 12.89 $ 6.867& 3.377& 1.233& 0.188& 6
7 0.215& 0.094& 0.053& 0.137& 0.417& 2.037& 4.391& 12.72 $ 5.745& 3.317& 1.130& 0.226& 7
8 0.202& 0.233& 0.043& 0.204& 0.498& 2.223& 3.849& 13.80 $ 5.702& 3.187& 0.898& 0.312& 8
9 0.271& 0.271& 0.040& 0.250& 0.463& 2.108& 4.235& 13.95 $ 6.336& 3.080& 0.984& 0.323& 9
10 0.243& 0.391& 0.053& 0.277& 0.332& 2.005& 7.471& 12.72 $ 8.485& 2.971& 0.935& 0.243& 10
11 0.196& 0.421& 0.073& 0.329& 0.439& 1.981& 15.50 $ 11.60 $ 9.819& 3.180& 0.840& 0.159& 11
12 0.366& 0.247& 0.131& 0.296& 0.435& 1.942& 17.59 $ 11.37 $ 10.68 $ 4.459& 0.745& 0.111& 12
13 0.830& 0.208& 0.112& 0.302& 0.367& 1.959& 12.39 $ 11.63 $ 10.34 $ 5.662& 0.710& 0.112& 13
14 0.976& 0.163& 0.095& 0.264& 0.334& 20.67 & 8.909& 12.49 $ 8.991& 6.064& 0.685& 0.124& 14
15 0.709& 0.133& 0.083& 0.221& 0.344& 16.67 & 7.616& 13.60 $ 7.744& 4.792& 0.841& 0.164& 15
16 0.587& 0.198& 0.043& 0.281& 0.573& 6.832& 6.710& 16.32 $ 7.037& 4.102& 0.829& 0.217& 16
17 0.608& 0.256& 0.021& 0.235& 0.816& 4.985& 6.180& 16.23 $ 6.606& 3.391& 0.773& 0.209& 17
18 0.541& 0.221& 0.008& 0.247& 1.345& 4.161& 5.801& 13.34 $ 6.875& 2.864& 0.695& 0.253& 18
19 0.513& 0.197& 0.002& 0.248& 1.898& 3.862& 5.497& 11.78 $ 6.959& 2.517& 0.718& 0.333& 19
20 0.558& 0.175& 0.001& 0.239& 1.636& 4.303& 5.685& 13.09 $ 6.798& 2.327& 0.675& 0.375& 20
21 0.521& 0.135& 0.004& 0.267& 1.273& 4.691& 15.69 & 15.91 $ 6.753& 2.031& 0.614& 0.257& 21
22 0.362& 0.092& 0.009& 0.341& 0.960& 4.819& 20.31 $ 36.35 $ 7.365& 2.076& 0.446& 0.227& 22
23 0.277& 0.073& 0.023& 0.430& 0.916& 4.636& 14.57 $ 33.75 $ 8.588& 1.970& 0.494& 0.145& 23
24 0.268& 0.093& 0.088& 0.426& 1.684& 4.314& 15.73 $ 25.13 $ 8.274& 2.102& 0.574& 0.065& 24
25 0.267& 0.166& 0.104& 0.462& 2.176& 3.810& 53.67 $ 19.54 $ 7.555& 1.887& 0.571& 0.025& 25
26 0.298& 0.158& 0.129& 0.505& 2.151& 3.518& 33.41 $ 16.36 $ 7.015& 1.675& 0.506& 0.006& 26
27 0.284& 0.206& 0.104& 0.497& 1.919& 3.793& 21.58 $ 14.80 $ 6.505& 1.739& 0.523& 0.000& 27
28 0.221& 0.197& 0.145& 0.397& 1.515& 4.385& 18.90 $ 13.35 $ 5.888& 1.868& 0.540& 0.000 28
29 0.145& 0.464& 0.354& 2.139& 4.998& 17.76 $ 10.95 $ 5.122& 1.937& 0.458& 0.000 29
30 0.108& 0.398& 0.363& 2.966& 4.959& 15.40 $ 9.515& 4.499& 1.780& 0.456& 0.000 30
31 0.161& 0.244& 3.494& 14.37 $ 9.098& 1.747& 0.025& 31
Mean 0.360& 0.181& 0.115& 0.304& 1.078& 4.503& 12.45 & 15.96 & 7.815& 3.106& 0.905& 0.177&
Median 0.277& 0.164& 0.088& 0.279& 0.573& 3.802& 7.616& 13.80 & 7.201& 3.080& 0.731& 0.209&
Maximum 0.976& 0.421& 0.464& 0.505& 3.494& 20.67 & 53.67 & 36.35 & 12.04 & 6.064& 2.068& 0.375&
Minimum 0.108& 0.066& 0.001& 0.137& 0.332& 1.923& 3.849& 9.098& 4.499& 1.675& 0.446& 0.000&
Total 11.17 & 5.060& 3.574& 9.112& 33.43 & 135.1 & 386.0 & 494.7 & 234.4 & 96.27 & 27.14 & 5.489&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 3.949& $ ... Relative Uncertainty +/-20%
Ann. Median 0.816& & ... Relative Uncertainty +/-30%
Annual Total 1441 &
Maximum Minimum
Daily 53.67 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2007
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.142& 0.214& 0.279& 0.197& 0.901& 3.474& 13.60 $ 31.18 $ 11.38 $ 8.250& 1.610& 0.273& 1
2 0.161& 0.214& 0.290& 0.217& 0.858& 2.972& 13.07 $ 27.88 $ 9.268& 7.675& 1.497& 0.256& 2
3 0.185& 0.257& 0.312& 0.237& 0.875& 2.613& 13.61 $ 23.02 $ 7.935& 7.130& 1.072& 0.249& 3
4 0.282& 0.255& 0.269& 0.237& 0.896& 2.556& 13.16 $ 18.69 $ 7.204& 6.672& 0.754& 0.226& 4
5 0.255& 0.213& 0.160& 0.260& 0.824& 2.531& 12.27 $ 15.89 $ 7.779& 6.261& 0.622& 0.275& 5
6 0.188& 0.146& 0.056& 0.300& 0.689& 2.443& 10.20 $ 20.77 $ 8.457& 6.111& 0.605& 0.290& 6
7 0.134& 0.101& 0.052& 0.304& 0.836& 2.314& 8.713& 27.01 $ 8.799& 6.283& 0.731& 0.274& 7
8 0.118& 0.161& 0.028& 0.338& 1.155& 2.495& 7.649& 22.63 $ 9.071& 6.771& 0.791& 0.230& 8
9 0.143& 0.236& 0.015& 0.318& 1.159& 2.806& 7.729& 19.25 $ 9.060& 9.336& 0.797& 0.200& 9
10 0.174& 0.224& 0.008& 0.292& 1.047& 2.992& 7.510& 16.68 $ 8.476& 15.67 $ 0.853& 0.317& 10
11 0.254& 0.200& 0.079& 0.262& 0.955& 3.241& 7.246& 15.42 $ 7.400& 14.82 $ 0.814& 9.207& 11
12 0.232& 0.189& 0.098& 0.232& 1.312& 3.286& 7.355& 15.23 $ 9.590& 10.44 & 0.638& 7.011& 12
13 0.194& 0.141& 0.059& 0.258& 1.771& 3.189& 6.784& 14.18 $ 11.28 $ 7.645& 0.690& 3.402& 13
14 0.167& 0.179& 0.074& 0.337& 1.471& 2.959& 6.191& 13.49 $ 11.12 $ 6.198& 0.791& 2.827& 14
15 0.173& 0.233& 0.159& 0.377& 1.403& 3.525& 5.639& 12.59 $ 10.05 $ 5.205& 0.799& 1.945& 15
16 0.175& 0.213& 0.243& 0.331& 1.245& 4.209& 5.343& 11.87 $ 9.347& 4.702& 0.716& 1.606& 16
17 0.130& 0.189& 0.220& 0.295& 1.184& 4.007& 5.140& 10.69 $ 8.813& 4.500& 0.616& 1.558& 17
18 0.136& 0.207& 0.170& 0.372& 1.179& 3.411& 5.017& 9.270& 8.291& 4.050& 0.548& 1.671& 18
19 0.156& 0.212& 0.119& 0.407& 1.306& 3.101& 5.275& 8.613& 7.936& 3.585& 0.461& 1.702& 19
20 0.146& 0.172& 0.095& 0.401& 1.488& 2.951& 6.893& 9.913& 7.545& 3.534& 0.406& 1.511& 20
21 0.126& 0.174& 0.114& 0.333& 1.796& 2.762& 11.12 & 16.68 $ 7.144& 3.433& 0.355& 1.128& 21
22 0.098& 0.201& 0.146& 0.330& 1.804& 3.666& 14.08 $ 15.70 $ 6.783& 3.104& 0.314& 0.809& 22
23 0.098& 0.240& 0.163& 0.439& 1.905& 18.53 & 15.65 $ 12.82 $ 6.858& 2.516& 0.273& 0.640& 23
24 0.186& 0.240& 0.139& 0.463& 1.989& 21.20 $ 28.30 $ 11.76 $ 8.640& 1.725& 0.244& 0.403& 24
25 0.189& 0.176& 0.093& 0.478& 2.297& 16.51 $ 37.36 $ 11.15 $ 25.72 $ 1.573& 0.292& 0.246& 25
26 0.222& 0.138& 0.086& 0.542& 3.237& 11.30 & 25.77 $ 11.48 $ 25.25 $ 1.652& 0.369& 0.137& 26
27 0.216& 0.198& 0.095& 0.520& 5.885& 8.137& 22.00 $ 11.53 $ 18.15 $ 1.680& 0.366& 0.124& 27
28 0.230& 0.259& 0.165& 0.471& 7.064& 13.56 & 47.58 $ 11.05 $ 14.15 $ 1.937& 0.312& 0.117& 28
29 0.266& 0.167& 0.482& 5.455& 18.25 $ 38.21 $ 10.57 $ 11.44 $ 2.097& 0.256& 0.179& 29
30 0.193& 0.138& 0.571& 4.792& 15.49 $ 25.90 $ 11.24 $ 9.479& 1.970& 0.295& 0.228& 30
31 0.221& 0.141& 4.041& 36.90 $ 12.69 $ 1.873& 0.243& 31
Mean 0.180& 0.199& 0.136& 0.353& 2.026& 6.349& 15.20 & 15.51 & 10.41 & 5.432& 0.630& 1.267&
Median 0.175& 0.204& 0.138& 0.332& 1.312& 3.264& 11.12 & 13.49 & 8.936& 4.702& 0.619& 0.290&
Maximum 0.282& 0.259& 0.312& 0.571& 7.064& 21.20 & 47.58 & 31.18 & 25.72 & 15.67 & 1.610& 9.207&
Minimum 0.098& 0.101& 0.008& 0.197& 0.689& 2.314& 5.017& 8.613& 6.783& 1.573& 0.244& 0.117&
Total 5.591& 5.583& 4.231& 10.60 & 62.82 & 190.5 & 471.2 & 481.0 & 312.4 & 168.4 & 18.89 & 39.28 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 4.851& $ ... Relative Uncertainty +/-20%
Ann. Median 1.245& & ... Relative Uncertainty +/-30%
Annual Total 1770 &
Maximum Minimum
Daily 47.58 & 0.008&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2008
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.233& 0.176& 0.105& 25.68 $ 61.94 $ 10.02 & 47.29 $ 185.9 " 18.27 $ 13.87 $ 3.215& 0.887& 1
2 0.173& 0.154& 0.191& 26.12 $ 38.35 $ 14.27 $ 34.96 $ 103.4 " 15.12 $ 13.11 $ 2.651& 0.895& 2
3 0.132& 0.203& 0.214& 12.67 & 27.72 $ 14.80 $ 29.59 $ 77.56 " 12.87 $ 15.47 $ 2.417& 0.990& 3
4 0.138& 0.261& 0.230& 6.616& 22.05 $ 13.18 $ 26.76 $ 59.69 " 11.88 $ 13.15 $ 2.260& 0.889& 4
5 0.147& 0.328& 0.290& 4.494& 18.30 $ 9.895& 26.21 $ 48.37 $ 12.03 $ 10.25 & 2.419& 0.796& 5
6 0.176& 3.104& 0.356& 3.636& 15.66 $ 7.807& 25.41 $ 40.93 $ 11.98 $ 7.965& 3.038& 0.685& 6
7 0.164& 11.39 & 0.429& 3.051& 13.63 $ 6.728& 22.18 $ 36.27 $ 11.34 $ 6.585& 3.277& 0.605& 7
8 0.151& 3.456& 0.419& 2.699& 11.79 $ 6.149& 19.21 $ 32.34 $ 10.24 $ 5.575& 3.082& 0.613& 8
9 0.133& 1.626& 0.318& 2.330& 10.43 $ 28.19 & 16.93 $ 28.77 $ 9.355& 4.879& 2.500& 0.563& 9
10 0.156& 0.712& 0.270& 2.016& 9.510& 34.59 $ 15.60 $ 25.81 $ 9.024& 5.060& 2.403& 0.525& 10
11 0.154& 0.374& 0.282& 1.751& 9.081& 28.86 $ 22.98 $ 23.07 $ 9.560& 5.136& 2.325& 0.437& 11
12 0.145& 0.250& 0.286& 1.443& 9.071& 20.50 $ 27.77 $ 21.05 $ 11.12 $ 5.096& 2.268& 0.402& 12
13 0.171& 0.182& 0.289& 1.143& 10.57 $ 16.37 $ 25.99 $ 19.72 $ 13.08 $ 4.682& 2.091& 0.377& 13
14 0.212& 0.178& 0.251& 0.983& 11.57 $ 13.86 $ 22.56 $ 17.59 $ 13.69 $ 4.260& 1.780& 0.315& 14
15 0.226& 0.203& 0.208& 0.923& 10.29 $ 26.72 $ 23.06 $ 16.70 $ 12.32 $ 3.975& 1.424& 0.249& 15
16 0.228& 0.231& 0.216& 1.048& 9.651& 50.39 $ 114.6 " 15.87 $ 11.36 $ 4.218& 1.165& 0.252& 16
17 0.202& 0.204& 0.245& 180.5 & 8.457& 39.21 $ 75.92 " 14.90 $ 15.85 $ 4.215& 1.151& 0.255& 17
18 0.275& 0.197& 8.109& 717.3 $ 7.424& 29.20 $ 60.54 " 13.92 $ 28.89 $ 4.004& 1.191& 0.226& 18
19 0.312& 0.184& 11.62 & 113.6 " 6.869& 23.95 $ 83.16 " 13.53 $ 24.61 $ 3.539& 1.043& 0.210& 19
20 0.293& 0.205& 1.766& 50.48 $ 7.065& 19.74 $ 89.32 " 13.69 $ 22.57 $ 2.821& 1.053& 0.216& 20
21 0.207& 0.750& 0.895& 33.52 $ 7.553& 15.72 $ 54.10 $ 12.96 $ 19.30 $ 2.296& 1.165& 0.213& 21
22 0.149& 0.752& 1.413& 25.23 $ 9.842& 12.44 $ 37.31 $ 11.96 $ 16.00 $ 2.214& 1.205& 0.172& 22
23 0.185& 0.386& 1.088& 20.07 $ 18.17 $ 10.87 $ 31.36 $ 11.17 $ 12.30 $ 1.996& 1.341& 0.161& 23
24 0.197& 0.233& 0.738& 16.76 $ 22.39 $ 10.10 $ 72.46 $ 11.08 $ 9.957& 2.451& 1.601& 0.157& 24
25 0.227& 0.171& 0.487& 13.31 $ 19.30 $ 10.96 $ 48.40 $ 11.60 $ 9.507& 4.263& 1.491& 0.165& 25
26 0.301& 0.126& 0.319& 10.33 & 16.25 $ 12.81 $ 56.26 " 12.29 $ 14.62 $ 4.885& 1.402& 0.180& 26
27 0.473& 0.090& 0.387& 8.308& 12.80 $ 33.23 $ 56.27 " 13.50 $ 32.90 $ 4.119& 1.477& 0.168& 27
28 0.418& 0.070& 1.263& 48.86 & 10.56 $ 132.9 " 218.9 " 16.40 $ 21.26 $ 3.761& 1.202& 0.164& 28
29 0.348& 0.066& 1.360& 619.2 " 9.952$ 133.2 " 398.0 " 19.23 $ 16.08 $ 3.788& 1.051& 0.153& 29
30 0.247& 7.562& 162.6 " 9.808& 73.58 " 309.1 " 25.47 $ 14.32 $ 4.141& 0.921& 0.129& 30
31 0.188& 17.85 $ 8.755& 228.4 " 22.97 $ 4.002& 0.109& 31
Mean 0.218& 0.906& 1.918& 70.56 & 14.99 & 28.68 & 74.86 $ 31.54 $ 15.05 & 5.670& 1.854& 0.392&
Median 0.197& 0.205& 0.356& 11.50 & 10.56 & 16.04 & 37.31 $ 19.23 $ 12.98 & 4.260& 1.546& 0.252&
Maximum 0.473& 11.39 & 17.85 & 717.3 & 61.94 & 133.2 & 398.0 $ 185.9 $ 32.90 & 15.47 & 3.277& 0.990&
Minimum 0.132& 0.066& 0.105& 0.923& 6.869& 6.149& 15.60 $ 11.08 $ 9.024& 1.996& 0.921& 0.109&
Total 6.759& 26.26 & 59.44 &2117 & 464.8 & 860.3 &2321 $ 977.7 $ 451.4 & 175.8 & 55.61 & 12.16 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 20.57 & " ... Relative Uncertainty +/-10%
Ann. Median 5.862& $ ... Relative Uncertainty +/-20%
Annual Total 7527 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 717.3 & 0.066&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2009
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.109& 0.150& 0.134& 0.217& 0.272& 4.376& 36.72 $ 23.42 $ 21.11 $ 24.41 $ 3.395& 0.336& 1
2 0.138& 0.108& 0.156& 0.194& 0.237& 4.605& 27.10 $ 22.41 $ 21.18 $ 18.06 $ 2.467& 0.286& 2
3 0.141& 0.077& 0.169& 0.172& 0.205& 4.559& 22.50 $ 21.78 $ 20.32 $ 14.50 $ 1.607& 0.257& 3
4 0.165& 0.078& 0.085& 0.102& 0.184& 4.716& 20.16 $ 21.45 $ 19.17 $ 12.27 $ 1.055& 0.233& 4
5 0.127& 0.091& 0.030& 0.072& 0.166& 4.864& 18.59 $ 21.39 $ 24.14 $ 11.02 $ 0.969& 0.180& 5
6 0.073& 0.097& 0.016& 0.062& 0.187& 4.827& 19.66 $ 21.35 $ 26.02 $ 10.49 $ 1.336& 0.178& 6
7 0.075& 0.088& 0.008& 0.043& 0.186& 4.411& 32.68 $ 21.15 $ 23.04 $ 9.943$ 1.831& 0.190& 7
8 0.077& 0.077& 0.006& 0.037& 0.184& 4.020& 31.12 $ 20.95 $ 20.09 $ 9.275& 1.938& 0.170& 8
9 0.070& 0.042& 0.002& 0.053& 0.202& 3.670& 251.8 $ 20.85 $ 18.14 $ 8.792& 1.771& 0.136& 9
10 0.080& 0.012& 0.000& 0.068& 0.212& 3.827& 333.0 " 25.44 $ 17.26 $ 8.582& 1.672& 0.107& 10
11 0.070& 0.003& 0.000 0.106& 0.228& 5.904& 228.7 " 34.87 $ 17.56 $ 8.337& 1.660& 0.083& 11
12 0.062& 0.000& 0.001& 0.200& 0.245& 8.835& 149.0 " 31.89 $ 18.09 $ 7.516& 1.521& 0.044& 12
13 0.065& 0.000 0.032& 0.258& 0.212& 8.414& 82.90 " 30.28 $ 17.78 $ 6.773& 1.317& 0.035& 13
14 0.065& 0.000 0.096& 0.274& 0.180& 7.518& 59.74 " 36.90 $ 15.92 $ 6.246& 1.215& 0.036& 14
15 0.064& 0.011& 0.097& 0.273& 0.199& 6.221& 43.51 $ 58.74 $ 16.09 $ 5.874& 1.232& 0.063& 15
16 0.069& 0.100& 0.077& 0.261& 0.236& 5.397& 69.30 $ 49.75 $ 79.15 $ 4.893& 1.151& 0.110& 16
17 0.053& 0.083& 0.141& 0.253& 0.265& 4.971& 62.48 " 36.02 $ 57.84 $ 3.542& 1.132& 0.107& 17
18 0.066& 0.095& 0.179& 0.306& 0.299& 4.825& 48.78 $ 31.61 $ 40.62 $ 3.000& 1.061& 0.086& 18
19 0.090& 0.099& 0.135& 0.372& 0.397& 5.425& 74.72 $ 34.52 $ 31.96 $ 3.006& 1.271& 0.045& 19
20 0.118& 0.070& 0.122& 0.348& 0.397& 8.860& 182.0 " 30.75 $ 26.54 $ 3.079& 1.998& 0.047& 20
21 0.086& 0.037& 0.111& 0.312& 3.713& 10.89 $ 232.1 " 48.21 $ 23.88 $ 3.077& 2.229& 0.082& 21
22 0.081& 0.031& 0.151& 0.272& 32.09 $ 11.19 $ 160.4 " 65.01 " 20.73 $ 3.248& 2.047& 0.127& 22
23 0.100& 0.023& 0.166& 0.245& 16.54 $ 11.88 $ 85.56 " 44.59 $ 18.47 $ 3.514& 1.428& 0.145& 23
24 0.114& 0.072& 0.168& 0.225& 14.94 $ 36.80 $ 61.06 " 39.93 $ 16.83 $ 3.709& 0.834& 0.132& 24
25 0.110& 0.094& 0.171& 0.215& 11.22 & 63.81 $ 50.33 $ 32.65 $ 14.99 $ 3.682& 0.567& 0.090& 25
26 0.103& 0.107& 0.188& 0.232& 7.042& 32.30 $ 42.63 $ 27.58 $ 12.57 $ 4.480& 0.519& 0.056& 26
27 0.123& 0.099& 0.194& 0.275& 7.406& 51.34 $ 36.13 $ 24.51 $ 10.52 $ 6.879& 0.430& 0.057& 27
28 0.155& 0.098& 0.195& 0.296& 11.31 $ 75.01 $ 31.70 $ 23.16 $ 9.599$ 7.690& 0.364& 0.067& 28
29 0.264& 0.224& 0.280& 7.431& 115.5 " 28.41 $ 29.62 $ 12.24 $ 6.160& 0.308& 0.062& 29
30 0.300& 0.227& 0.248& 5.323& 63.71 $ 26.11 $ 31.49 $ 25.19 $ 4.788& 0.322& 0.060& 30
31 0.228& 0.222& 4.493& 24.56 $ 24.14 $ 4.040& 0.059& 31
Mean 0.111& 0.066& 0.113& 0.209& 4.071& 19.42 & 83.02 $ 31.82 $ 23.24 $ 7.448& 1.355& 0.118&
Median 0.090& 0.078& 0.134& 0.238& 0.265& 6.062& 48.78 $ 30.28 $ 19.63 $ 6.246& 1.294& 0.090&
Maximum 0.300& 0.150& 0.227& 0.372& 32.09 & 115.5 & 333.0 $ 65.01 $ 79.15 $ 24.41 & 3.395& 0.336&
Minimum 0.053& 0.000& 0.000& 0.037& 0.166& 3.670& 18.59 $ 20.85 $ 9.599$ 3.000& 0.308& 0.035&
Total 3.440& 1.843& 3.503& 6.267& 126.2 & 582.7 &2574 $ 986.4 $ 697.1 $ 230.9 & 40.65 & 3.664&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 14.40 & " ... Relative Uncertainty +/-10%
Ann. Median 1.151& $ ... Relative Uncertainty +/-20%
Annual Total 5256 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 333.0 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2010
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.065& 0.100& 0.000& 0.111& 0.325& 2.557& 5.380& 11.18 $ 37.28 $ 3.090& 0.251& 0.043& 1
2 0.089& 0.081& 0.000 0.169& 0.326& 2.515& 5.408& 9.230& 32.29 $ 3.384& 0.187& 0.068& 2
3 0.077& 0.084& 0.000 0.242& 0.324& 2.412& 5.503& 7.939& 21.99 $ 3.213& 0.146& 0.097& 3
4 0.045& 0.083& 0.000 0.233& 0.284& 2.399& 5.185& 7.153& 17.30 $ 2.821& 0.112& 0.096& 4
5 0.038& 0.068& 0.000 0.200& 0.261& 3.313& 5.130& 6.627& 14.94 $ 2.635& 0.152& 0.087& 5
6 0.089& 0.072& 0.000 0.267& 0.233& 4.055& 5.265& 6.632& 13.15 $ 2.275& 0.185& 0.090& 6
7 0.109& 0.088& 0.000 0.512& 0.216& 4.166& 5.458& 6.884& 12.81 $ 1.858& 0.174& 0.181& 7
8 0.117& 0.131& 0.000& 0.494& 0.230& 3.650& 6.850& 6.864& 19.63 $ 1.406& 0.186& 0.171& 8
9 0.125& 0.144& 0.000& 0.361& 0.371& 2.984& 76.25 $ 6.365& 20.82 $ 1.204& 0.188& 0.139& 9
10 0.162& 0.128& 0.000& 0.289& 0.397& 2.481& 51.81 $ 5.684& 18.05 $ 1.184& 0.203& 0.091& 10
11 0.138& 0.128& 0.000 0.235& 0.313& 2.212& 26.87 $ 4.941& 15.50 $ 1.236& 0.215& 0.046& 11
12 0.120& 0.125& 0.000 0.226& 0.281& 2.237& 26.03 $ 39.92 & 13.63 $ 1.153& 0.194& 0.035& 12
13 0.109& 0.145& 0.000 0.277& 0.395& 2.174& 32.40 $ 98.54 " 12.30 $ 1.116& 0.184& 0.038& 13
14 0.085& 0.147& 0.000 0.346& 0.485& 2.255& 24.39 $ 46.28 $ 11.09 $ 1.082& 0.151& 0.057& 14
15 0.071& 0.126& 0.000 0.411& 0.418& 3.581& 18.22 $ 27.29 $ 9.959$ 0.880& 0.131& 0.079& 15
16 0.066& 0.152& 0.002& 0.388& 0.357& 8.705& 15.41 $ 20.66 $ 8.985& 0.621& 0.100& 0.080& 16
17 0.050& 0.213& 0.052& 0.354& 0.363& 10.54 $ 16.22 $ 23.87 $ 7.619& 0.488& 0.054& 0.103& 17
18 0.033& 0.178& 0.042& 0.328& 0.394& 8.551& 15.79 $ 33.29 $ 6.352& 0.389& 0.037& 0.402& 18
19 0.011& 0.153& 0.050& 0.309& 0.470& 6.973& 13.87 $ 30.50 $ 5.453& 0.371& 0.033& 1.121& 19
20 0.003& 0.134& 0.067& 0.347& 0.821& 5.729& 12.14 $ 22.27 $ 4.633& 0.386& 0.080& 0.678& 20
21 0.000& 0.120& 0.210& 0.368& 1.053& 5.189& 11.01 $ 18.02 $ 4.032& 0.467& 0.111& 0.364& 21
22 0.001& 0.105& 0.210& 0.381& 2.624& 5.171& 10.07 $ 16.22 $ 3.561& 0.552& 0.079& 0.253& 22
23 0.042& 0.091& 0.174& 0.475& 4.853& 13.63 & 9.174& 15.33 $ 3.200& 0.505& 0.115& 0.222& 23
24 0.051& 0.067& 0.175& 0.400& 4.699& 22.05 $ 8.502& 14.15 $ 2.921& 0.505& 0.147& 0.219& 24
25 0.087& 0.054& 0.172& 0.320& 3.591& 13.65 $ 8.155& 12.53 $ 2.833& 0.545& 0.120& 0.220& 25
26 0.140& 0.044& 0.177& 0.312& 2.948& 9.802& 8.232& 11.10 $ 3.019& 0.583& 0.109& 0.179& 26
27 0.104& 0.025& 0.181& 0.322& 3.545& 7.523& 8.882& 10.07 $ 3.161& 0.584& 0.097& 0.132& 27
28 0.129& 0.005& 0.186& 0.320& 5.188& 6.334& 9.563& 9.460& 3.075& 0.693& 0.056& 0.107& 28
29 0.116& 0.158& 0.306& 4.293& 5.838& 11.29 $ 10.75 & 2.662& 0.714& 0.030& 0.107& 29
30 0.085& 0.099& 0.299& 3.280& 5.477& 14.02 $ 14.60 $ 2.470& 0.562& 0.024& 0.097& 30
31 0.092& 0.081& 2.658& 13.57 $ 21.66 $ 0.374& 0.093& 31
Mean 0.079& 0.107& 0.066& 0.320& 1.484& 5.938& 15.68 & 18.58 & 11.16 & 1.190& 0.128& 0.184&
Median 0.085& 0.112& 0.002& 0.320& 0.397& 4.668& 11.01 & 12.53 & 9.472& 0.714& 0.126& 0.103&
Maximum 0.162& 0.213& 0.210& 0.512& 5.188& 22.05 & 76.25 & 98.54 & 37.28 & 3.384& 0.251& 1.121&
Minimum 0.000& 0.005& 0.000& 0.111& 0.216& 2.174& 5.130& 4.941& 2.470& 0.371& 0.024& 0.035&
Total 2.447& 2.992& 2.036& 9.602& 46.00 & 178.2 & 486.1 & 576.0 & 334.7 & 36.88 & 3.851& 5.696&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 4.615& " ... Relative Uncertainty +/-10%
Ann. Median 0.368& $ ... Relative Uncertainty +/-20%
Annual Total 1684 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 98.54 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2011
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.094& 0.021& 0.504& 0.001& 0.387& 28.49 $ 121.7 " 71.96 " 25.79 $ 10.98 $ 3.535& 0.121& 1
2 0.102& 0.092& 0.270& 0.001& 0.314& 19.55 $ 164.4 " 85.39 " 41.92 $ 10.84 $ 2.810& 0.100& 2
3 0.137& 0.054& 0.105& 0.000& 0.298& 15.95 $ 114.6 " 106.3 " 40.80 $ 68.08 $ 2.601& 0.075& 3
4 0.168& 0.064& 0.046& 0.000 0.307& 14.91 $ 82.40 " 97.37 " 34.87 $ 73.40 " 3.097& 0.073& 4
5 0.130& 0.073& 0.029& 0.000 0.337& 24.81 $ 61.70 " 67.04 " 30.24 $ 76.84 " 3.167& 0.069& 5
6 0.149& 0.042& 0.018& 0.000 0.333& 23.91 $ 47.49 $ 47.33 $ 26.79 $ 44.17 $ 3.243& 0.122& 6
7 0.222& 0.021& 0.018& 0.000 0.323& 19.98 $ 37.16 $ 49.56 $ 23.49 $ 30.99 $ 3.448& 0.229& 7
8 0.217& 0.005& 0.013& 0.000& 0.267& 19.30 $ 31.64 $ 795.2 # 20.75 $ 24.97 $ 3.204& 0.309& 8
9 0.116& 0.008& 0.029& 0.065& 0.266& 15.79 $ 28.12 $ 248.6 " 18.42 $ 20.97 $ 3.091& 0.328& 9
10 0.042& 0.008& 0.042& 0.190& 0.269& 13.16 $ 26.16 $ 150.5 " 16.72 $ 18.16 $ 2.985& 0.275& 10
11 0.010& 0.004& 0.045& 0.249& 0.272& 10.97 $ 65.18 $ 84.46 " 15.37 $ 16.03 $ 2.697& 0.230& 11
12 0.001& 0.003& 0.023& 0.181& 0.262& 9.081& 182.2 " 65.75 " 14.38 $ 15.09 $ 2.302& 0.202& 12
13 0.000 0.001& 0.066& 0.145& 0.300& 7.804& 327.7 " 57.05 " 14.23 $ 13.43 $ 2.072& 0.224& 13
14 0.000 0.000& 0.177& 0.157& 0.412& 7.416& 106.2 " 244.5 " 13.58 $ 11.46 $ 1.956& 0.252& 14
15 0.000 0.000 0.277& 0.112& 0.729& 9.564& 68.34 " 376.6 " 11.84 $ 9.781& 1.765& 0.226& 15
16 0.000 0.000 0.304& 0.071& 0.885& 11.53 $ 93.87 " 143.1 " 11.26 $ 8.513& 1.618& 0.178& 16
17 0.000 0.000 0.261& 0.088& 70.31 & 11.77 $ 135.1 " 103.5 " 11.36 $ 7.714& 1.545& 0.136& 17
18 0.000 0.000 0.179& 0.105& 108.5 $ 11.34 $ 131.1 " 80.47 " 54.02 $ 7.910& 1.486& 0.104& 18
19 0.002& 0.000 0.087& 0.122& 9.671& 11.42 $ 163.2 " 60.68 " 61.14 $ 8.847& 1.256& 0.114& 19
20 0.028& 68.40 & 0.039& 0.138& 3.417& 11.47 $ 83.60 " 50.41 $ 37.68 $ 7.503& 0.991& 0.114& 20
21 0.029& 161.4 $ 0.054& 0.279& 4.204& 11.24 $ 68.43 " 44.03 $ 27.48 $ 5.729& 0.804& 0.113& 21
22 0.028& 4.652& 0.078& 0.329& 3.787& 10.99 $ 59.17 " 54.22 $ 21.07 $ 4.439& 0.700& 0.132& 22
23 0.021& 9.950& 0.065& 0.340& 3.214& 10.48 $ 47.78 $ 67.50 " 19.43 $ 4.055& 0.517& 0.134& 23
24 0.016& 11.95 & 0.065& 0.305& 2.617& 10.09 $ 41.01 $ 61.85 " 17.48 $ 4.164& 0.351& 0.139& 24
25 0.045& 5.225& 0.034& 0.266& 2.186& 13.71 $ 36.76 $ 49.04 $ 15.54 $ 5.294& 0.317& 0.143& 25
26 0.060& 2.559& 0.017& 0.258& 2.020& 16.11 $ 34.22 $ 39.53 $ 14.69 $ 9.826& 0.371& 0.103& 26
27 0.033& 1.257& 0.006& 0.264& 2.015& 14.57 $ 34.53 $ 34.83 $ 15.50 $ 22.30 $ 0.374& 0.099& 27
28 0.038& 0.653& 0.001& 1.410& 2.133& 61.23 $ 96.38 " 32.01 $ 15.36 $ 19.26 $ 0.286& 0.033& 28
29 0.027& 0.000& 1.076& 2.253& 137.4 " 224.1 " 29.86 $ 13.92 $ 12.20 & 0.197& 0.011& 29
30 0.011& 0.000 0.587& 624.9 & 280.6 " 101.6 " 28.16 $ 11.79 $ 7.529& 0.132& 0.002& 30
31 0.003& 0.000& 58.67 $ 77.52 " 26.76 $ 4.879& 0.056& 31
Mean 0.056& 9.514& 0.092& 0.225& 29.22 & 28.82 & 93.33 $ 111.4 $ 23.23 $ 18.88 & 1.764& 0.143&
Median 0.028& 0.031& 0.045& 0.142& 0.885& 13.44 & 77.52 $ 65.75 $ 17.95 $ 10.98 & 1.692& 0.122&
Maximum 0.222& 161.4 & 0.504& 1.410& 624.9 & 280.6 & 327.7 $ 795.2 $ 61.14 $ 76.84 & 3.535& 0.328&
Minimum 0.000& 0.000& 0.000& 0.000& 0.262& 7.416& 26.16 $ 26.76 $ 11.26 $ 4.055& 0.132& 0.002&
Total 1.731& 266.4 & 2.853& 6.739& 905.8 & 864.6 &2893 $3454 $ 696.9 $ 585.4 & 52.92 & 4.447&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 26.67 & " ... Relative Uncertainty +/-10%
Ann. Median 2.253& # ... Relative Uncertainty +/-15%
Annual Total 9735 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 795.2 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2012
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.197& 0.000 0.039& 0.087& 0.447& 0.696& 9.727& 33.48 $ 8.014& 5.819& 0.571& 0.252& 1
2 0.202& 0.000 0.018& 0.103& 0.324& 0.900& 8.597& 41.85 $ 7.513& 4.549& 0.643& 0.255& 2
3 0.199& 0.000 0.007& 0.146& 0.291& 1.207& 7.679& 25.73 $ 7.501& 3.984& 0.595& 0.220& 3
4 0.160& 0.000 0.001& 0.167& 0.423& 1.068& 6.983& 21.24 $ 12.23 & 3.760& 0.626& 0.262& 4
5 0.082& 0.000& 0.000& 0.194& 0.564& 0.841& 6.436& 19.40 $ 18.35 $ 3.656& 0.816& 0.243& 5
6 0.075& 0.044& 0.000 0.168& 0.528& 1.168& 6.165& 17.56 $ 16.06 $ 3.556& 0.767& 0.205& 6
7 0.076& 0.099& 0.000 0.157& 0.562& 1.914& 6.285& 20.72 $ 12.29 $ 3.606& 0.757& 0.199& 7
8 0.064& 0.111& 0.000 0.146& 0.752& 2.877& 8.745& 23.84 $ 9.393& 3.527& 0.709& 0.179& 8
9 0.077& 0.112& 0.000 0.165& 0.705& 3.728& 10.14 $ 21.53 $ 7.471& 3.223& 0.610& 0.164& 9
10 0.043& 0.102& 0.000 0.158& 0.536& 47.98 & 11.84 $ 17.61 $ 6.403& 2.486& 0.512& 0.141& 10
11 0.043& 0.073& 0.000 0.106& 0.451& 45.28 $ 17.45 $ 15.48 $ 6.531& 1.655& 0.477& 0.119& 11
12 0.027& 0.053& 0.000 0.073& 0.406& 22.85 $ 20.72 $ 14.43 $ 6.791& 1.330& 0.416& 0.121& 12
13 0.011& 0.066& 0.000 0.085& 0.368& 43.16 $ 16.63 $ 14.62 $ 5.968& 1.509& 0.349& 0.161& 13
14 0.005& 0.073& 0.000 0.144& 0.400& 25.87 $ 13.16 $ 14.59 $ 5.248& 1.632& 0.328& 0.212& 14
15 0.002& 0.076& 0.000 0.191& 0.429& 20.38 $ 11.71 $ 14.35 $ 4.728& 1.606& 0.344& 0.212& 15
16 0.003& 0.096& 0.000 0.222& 0.521& 16.16 $ 10.99 $ 12.89 $ 4.474& 1.728& 0.336& 0.193& 16
17 0.013& 0.102& 0.000 0.237& 0.457& 12.92 $ 10.43 $ 11.40 $ 4.436& 1.682& 0.320& 0.152& 17
18 0.029& 0.129& 0.000 0.224& 0.433& 10.51 $ 9.737$ 10.39 $ 4.952& 1.864& 0.361& 0.150& 18
19 0.056& 0.112& 0.000 0.224& 0.409& 18.38 & 9.052& 9.638$ 5.637& 1.821& 0.321& 0.153& 19
20 0.019& 0.108& 0.000 0.261& 0.368& 114.3 " 8.394& 9.234& 6.571& 1.741& 0.283& 0.143& 20
21 0.025& 0.084& 0.000 0.314& 0.357& 40.36 $ 7.640& 9.814& 6.445& 1.682& 0.241& 0.123& 21
22 0.048& 0.086& 0.000 0.251& 0.354& 22.63 $ 7.360& 14.42 $ 6.241& 1.942& 0.178& 0.116& 22
23 0.073& 0.111& 0.000 0.218& 0.343& 16.60 $ 8.364& 17.95 $ 5.615& 2.389& 0.168& 0.127& 23
24 0.066& 0.112& 0.000 0.192& 0.275& 13.67 $ 10.44 $ 15.57 $ 5.279& 1.900& 0.240& 0.122& 24
25 0.045& 0.105& 0.000 0.153& 0.268& 11.99 $ 9.437& 12.63 $ 5.543& 1.656& 0.289& 0.110& 25
26 0.028& 0.078& 0.000 0.137& 0.295& 11.34 $ 8.321& 11.24 $ 6.750& 1.213& 0.303& 0.081& 26
27 0.016& 0.060& 0.000 0.118& 0.310& 10.97 $ 7.650& 10.61 $ 9.643& 0.865& 0.277& 0.098& 27
28 0.022& 0.052& 0.000& 0.246& 0.312& 11.26 $ 7.311& 10.00 $ 12.29 $ 0.637& 0.324& 0.367& 28
29 0.024& 0.046& 0.057& 0.643& 0.341& 11.19 $ 6.744& 9.590$ 11.19 $ 0.600& 0.337& 0.320& 29
30 0.008& 0.114& 0.598& 0.517& 10.67 $ 6.163& 9.199& 8.351& 0.643& 0.286& 0.166& 30
31 0.000& 0.109& 0.565& 6.791& 8.433& 0.613& 0.079& 31
Mean 0.056& 0.072& 0.011& 0.204& 0.429& 18.43 & 9.584& 16.11 & 7.930& 2.222& 0.426& 0.176&
Median 0.043& 0.078& 0.000& 0.167& 0.409& 11.66 & 8.597& 14.43 & 6.661& 1.741& 0.341& 0.161&
Maximum 0.202& 0.129& 0.114& 0.643& 0.752& 114.3 & 20.72 & 41.85 & 18.35 & 5.819& 0.816& 0.367&
Minimum 0.000& 0.000& 0.000& 0.073& 0.268& 0.696& 6.163& 8.433& 4.436& 0.600& 0.168& 0.079&
Total 1.740& 2.090& 0.346& 6.126& 13.31 & 552.9 & 297.1 & 499.4 & 237.9 & 68.88 & 12.78 & 5.443&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 4.639& " ... Relative Uncertainty +/-10%
Ann. Median 0.407& $ ... Relative Uncertainty +/-20%
Annual Total 1698 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 114.3 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2013
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.052& 0.000& 0.007& 0.069& 0.253& 6.671& 4.198& 12.40 $ 22.22 $ 7.851& 1.607& 0.298& 1
2 0.059& 0.000 0.001& 0.104& 0.335& 5.832& 4.180& 11.44 $ 19.59 $ 7.089& 1.518& 0.253& 2
3 0.090& 0.000 0.000& 0.165& 0.505& 4.947& 4.578& 10.40 $ 17.42 $ 6.104& 1.462& 0.210& 3
4 0.110& 0.000 0.000 0.178& 0.457& 4.582& 5.454& 9.321& 20.92 $ 5.462& 1.357& 0.169& 4
5 0.100& 0.000 0.000 0.166& 0.328& 4.558& 5.536& 8.512& 23.55 $ 5.315& 1.374& 0.121& 5
6 0.083& 0.000 0.000 0.193& 0.308& 4.642& 5.092& 8.262& 18.74 $ 5.191& 1.217& 0.066& 6
7 0.075& 0.000 0.001& 0.201& 0.328& 4.587& 4.468& 8.191& 15.68 $ 5.066& 1.070& 0.058& 7
8 0.084& 0.000 0.035& 0.189& 7.261& 4.530& 4.036& 9.908& 14.00 $ 4.907& 0.943& 0.102& 8
9 0.113& 0.000 0.093& 0.190& 31.31 $ 4.591& 3.990& 18.94 $ 12.50 $ 46.71 & 0.679& 0.157& 9
10 0.135& 0.000 0.396& 0.193& 37.03 $ 4.854& 4.371& 18.31 $ 11.54 $ 27.15 $ 0.492& 0.152& 10
11 0.115& 0.000 1.055& 0.195& 16.00 $ 4.770& 5.572& 14.72 $ 11.72 $ 15.79 $ 0.376& 0.218& 11
12 0.127& 0.000 0.473& 0.159& 8.065& 4.368& 8.403& 13.39 $ 12.14 $ 11.06 $ 0.370& 0.119& 12
13 0.257& 0.000 0.300& 0.149& 5.239& 4.601& 9.657& 11.93 $ 12.69 $ 8.247& 0.368& 0.061& 13
14 35.80 & 0.000 0.173& 0.143& 3.969& 5.208& 8.769& 10.85 $ 48.79 $ 6.319& 0.363& 0.033& 14
15 3.770& 0.000 0.106& 0.123& 3.195& 6.253& 7.594& 10.02 $ 35.72 $ 5.038& 0.344& 0.020& 15
16 1.129& 0.000 0.140& 0.172& 2.822& 6.422& 7.313& 9.784$ 24.16 $ 4.454& 0.321& 0.017& 16
17 0.639& 0.000 0.200& 0.223& 2.804& 5.877& 7.358& 10.53 $ 20.03 $ 4.235& 0.317& 0.031& 17
18 0.292& 0.028& 0.199& 0.278& 2.962& 5.399& 7.357& 10.43 $ 19.41 $ 4.084& 0.404& 0.049& 18
19 0.159& 0.087& 0.175& 0.304& 3.106& 5.014& 6.745& 9.969$ 18.62 $ 4.234& 0.412& 0.085& 19
20 0.111& 0.031& 0.189& 0.259& 3.857& 4.744& 6.130& 9.013& 16.23 $ 5.600& 0.321& 0.083& 20
21 0.092& 0.021& 0.185& 0.247& 5.931& 4.374& 5.582& 7.883& 14.77 $ 6.159& 0.282& 0.073& 21
22 0.083& 0.012& 0.161& 0.254& 5.869& 4.040& 5.329& 6.983& 16.73 $ 4.745& 0.274& 0.049& 22
23 0.101& 0.009& 0.152& 0.237& 4.829& 3.825& 5.200& 6.080& 16.90 $ 3.151& 0.264& 0.025& 23
24 0.093& 0.018& 0.143& 0.215& 3.869& 5.193& 17.66 & 5.416& 14.79 $ 2.326& 0.272& 0.012& 24
25 0.079& 0.051& 0.151& 0.189& 3.371& 8.347& 21.87 $ 14.88 & 12.91 $ 2.159& 0.290& 0.010& 25
26 0.057& 0.030& 0.281& 0.201& 3.168& 8.589& 20.06 $ 45.05 $ 11.29 $ 2.273& 0.249& 0.058& 26
27 0.030& 0.023& 0.440& 0.256& 3.565& 7.738& 24.87 $ 36.33 $ 10.03 $ 2.316& 0.241& 0.111& 27
28 0.015& 0.013& 0.332& 0.274& 11.77 & 6.585& 22.50 $ 151.7 " 9.113& 2.307& 0.264& 0.103& 28
29 0.013& 0.252& 0.285& 10.59 & 5.432& 20.67 $ 57.00 $ 8.351& 1.999& 0.285& 0.088& 29
30 0.007& 0.167& 0.277& 8.448& 4.592& 16.59 $ 42.40 $ 8.144& 1.813& 0.295& 0.086& 30
31 0.002& 0.112& 7.905& 13.50 $ 26.13 $ 1.690& 0.117& 31
Mean 1.415& 0.011& 0.191& 0.203& 6.434& 5.372& 9.504& 20.20 & 17.29 & 7.124& 0.601& 0.098&
Median 0.093& 0.000& 0.161& 0.194& 3.857& 4.900& 6.745& 10.53 & 15.95 & 5.038& 0.366& 0.085&
Maximum 35.80 & 0.087& 1.055& 0.304& 37.03 & 8.589& 24.87 & 151.7 & 48.79 & 46.71 & 1.607& 0.298&
Minimum 0.002& 0.000& 0.000& 0.069& 0.253& 3.825& 3.990& 5.416& 8.144& 1.690& 0.241& 0.010&
Total 43.88 & 0.322& 5.922& 6.090& 199.4 & 161.2 & 294.6 & 626.2 & 518.7 & 220.8 & 18.03 & 3.034&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 5.749& " ... Relative Uncertainty +/-10%
Ann. Median 1.374& $ ... Relative Uncertainty +/-20%
Annual Total 2098 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 151.7 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2014
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.128& 0.022& 0.000 0.305& 0.781& 5.060& 6.334& 11.45 $ 5.912& 11.60 $ 1.473& 0.289& 1
2 0.125& 0.074& 0.000 0.235& 0.588& 5.172& 6.699& 10.48 $ 5.602& 9.570& 1.373& 0.263& 2
3 0.122& 0.102& 0.000 0.197& 0.409& 5.174& 8.992& 9.705& 5.486& 8.441& 1.262& 0.261& 3
4 0.097& 0.054& 0.000 0.130& 0.384& 4.823& 10.74 $ 8.541& 5.709& 7.590& 1.071& 0.268& 4
5 0.054& 0.018& 0.000 0.111& 2.549& 4.090& 10.52 $ 7.275& 6.037& 7.104& 0.991& 0.257& 5
6 0.082& 0.007& 0.000 0.131& 7.617& 3.488& 9.659$ 6.302& 8.805& 6.390& 1.013& 0.243& 6
7 0.087& 0.004& 0.000 0.247& 9.389& 3.097& 10.79 $ 5.869& 14.43 $ 5.912& 1.085& 0.241& 7
8 0.130& 0.018& 0.000 0.297& 121.3 $ 2.960& 12.72 $ 6.036& 40.03 $ 5.505& 1.063& 0.230& 8
9 0.128& 0.058& 0.000 0.243& 25.13 $ 3.438& 14.21 $ 5.911& 29.90 $ 5.085& 0.993& 0.224& 9
10 0.129& 0.061& 0.000 0.207& 14.42 $ 4.069& 13.02 $ 5.157& 19.47 $ 4.745& 1.002& 0.202& 10
11 0.123& 0.044& 0.000 0.185& 9.417& 5.741& 11.39 $ 4.820& 14.56 $ 4.480& 1.071& 0.164& 11
12 0.094& 0.041& 0.000 0.201& 9.483& 5.927& 9.950& 4.532& 11.50 $ 4.195& 1.004& 0.134& 12
13 0.089& 0.091& 0.000 0.227& 7.053& 5.262& 8.656& 3.745& 9.752& 3.784& 0.907& 0.125& 13
14 0.105& 0.059& 0.000& 0.190& 5.618& 4.646& 9.456& 3.116& 8.274& 3.243& 0.754& 0.134& 14
15 0.108& 0.039& 0.009& 0.190& 4.728& 4.238& 11.44 $ 2.874& 6.803& 2.653& 0.608& 0.116& 15
16 0.118& 0.016& 0.094& 0.210& 4.244& 4.045& 13.99 $ 2.795& 5.710& 2.465& 0.562& 0.128& 16
17 0.108& 0.021& 0.179& 0.236& 3.893& 5.662& 13.00 $ 2.757& 5.071& 2.436& 0.608& 0.135& 17
18 0.085& 0.030& 0.265& 0.262& 3.605& 22.78 $ 11.43 $ 4.169& 4.634& 2.368& 0.665& 0.119& 18
19 0.041& 0.038& 0.334& 0.275& 3.544& 15.54 $ 10.81 $ 5.082& 4.417& 2.372& 0.800& 0.123& 19
20 0.036& 0.036& 0.336& 0.286& 3.491& 12.27 $ 15.09 $ 6.138& 3.845& 2.519& 0.768& 0.153& 20
21 0.023& 0.011& 0.281& 0.323& 3.469& 13.33 $ 17.53 $ 6.682& 20.79 & 2.262& 0.739& 0.186& 21
22 0.005& 0.000& 0.298& 0.344& 3.558& 32.46 $ 44.27 $ 8.438& 146.0 " 2.100& 0.771& 0.173& 22
23 0.001& 0.000 0.272& 0.304& 5.209& 20.60 $ 27.61 $ 9.534& 61.15 $ 1.961& 0.713& 0.116& 23
24 0.000& 0.000 0.271& 0.365& 6.580& 14.71 $ 19.95 $ 10.21 & 29.71 $ 1.994& 0.591& 0.072& 24
25 0.012& 0.000 0.198& 0.738& 7.025& 11.38 $ 16.19 $ 8.040& 20.06 $ 1.883& 0.503& 0.048& 25
26 0.050& 0.000 0.245& 1.667& 7.235& 9.986$ 14.44 $ 6.316& 16.06 $ 1.748& 0.388& 0.032& 26
27 0.051& 0.000 0.345& 11.46 & 6.836& 9.227& 20.97 $ 5.691& 14.58 $ 1.643& 0.306& 0.016& 27
28 0.069& 0.000 0.358& 3.644& 7.062& 8.486& 21.21 $ 5.386& 16.36 $ 1.535& 0.293& 0.009& 28
29 0.071& 0.333& 1.505& 6.923& 7.676& 17.25 $ 4.940& 16.67 $ 1.675& 0.293& 0.010& 29
30 0.029& 0.398& 1.060& 6.303& 6.895& 14.57 $ 4.966& 14.53 $ 1.783& 0.295& 0.046& 30
31 0.015& 0.432& 5.426& 12.86 $ 5.721& 1.669& 0.094& 31
Mean 0.075& 0.030& 0.150& 0.859& 9.783& 8.741& 14.38 & 6.215& 19.06 & 3.959& 0.799& 0.149&
Median 0.085& 0.021& 0.094& 0.255& 5.618& 5.702& 12.86 & 5.869& 12.97 & 2.519& 0.769& 0.134&
Maximum 0.130& 0.102& 0.432& 11.46 & 121.3 & 32.46 & 44.27 & 11.45 & 146.0 & 11.60 & 1.473& 0.289&
Minimum 0.000& 0.000& 0.000& 0.111& 0.384& 2.960& 6.334& 2.757& 3.845& 1.535& 0.293& 0.009&
Total 2.316& 0.845& 4.651& 25.77 & 303.3 & 262.2 & 445.7 & 192.7 & 571.9 & 122.7 & 23.96 & 4.611&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 5.372& " ... Relative Uncertainty +/-10%
Ann. Median 1.535& $ ... Relative Uncertainty +/-20%
Annual Total 1961 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 146.0 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2015
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.121& 1.347& 0.197& 32.53 $ 4.098& 4.063& 13.04 $ 738.9 " 20.00 $ 2.021& 1.029& 0.325& 1
2 0.102& 3.698& 0.241& 25.91 $ 4.168& 5.724& 12.40 $ 234.9 " 19.37 $ 1.762& 1.092& 0.258& 2
3 0.085& 9.995& 0.403& 21.47 $ 4.251& 8.474& 12.86 $ 96.12 " 17.05 $ 1.483& 1.230& 0.204& 3
4 0.078& 1.807& 0.225& 18.32 $ 4.712& 7.739& 13.25 $ 62.60 " 15.26 $ 1.374& 1.365& 0.184& 4
5 0.076& 0.770& 0.137& 15.95 $ 4.282& 7.172& 13.30 $ 47.50 $ 14.29 $ 1.396& 1.400& 0.233& 5
6 0.084& 0.462& 0.093& 13.44 $ 3.810& 6.719& 12.99 $ 38.97 $ 14.23 $ 1.398& 36.23 & 0.269& 6
7 0.123& 0.329& 0.098& 23.03 $ 3.437& 6.576& 12.61 $ 36.32 $ 13.25 $ 1.187& 74.93 $ 0.269& 7
8 0.077& 0.271& 0.189& 224.8 $ 3.100& 6.361& 12.14 $ 43.26 $ 11.24 $ 1.054& 30.66 $ 0.253& 8
9 0.046& 0.235& 0.231& 138.2 " 2.825& 5.760& 12.63 $ 43.66 $ 9.392& 1.112& 17.05 $ 0.228& 9
10 0.028& 0.218& 0.167& 104.8 " 2.531& 4.836& 12.27 $ 39.63 $ 8.258& 0.982& 11.26 & 0.218& 10
11 0.017& 0.202& 0.125& 154.7 " 2.349& 4.139& 10.88 $ 38.19 $ 8.005& 0.893& 7.927& 0.188& 11
12 0.008& 0.197& 0.105& 200.1 " 2.221& 4.050& 10.04 $ 31.81 $ 8.802& 0.893& 5.385& 0.174& 12
13 0.002& 0.212& 0.129& 71.17 " 2.120& 4.776& 9.553$ 28.10 $ 10.69 $ 0.935& 3.140& 0.140& 13
14 0.007& 0.228& 46.64 & 44.74 $ 1.970& 5.555& 10.67 $ 25.54 $ 11.35 $ 0.950& 1.911& 0.153& 14
15 0.055& 0.210& 45.73 $ 32.57 $ 1.857& 5.728& 12.40 $ 23.26 $ 11.01 $ 0.956& 1.411& 0.182& 15
16 0.064& 0.182& 18.47 $ 25.29 $ 2.102& 5.787& 12.90 $ 21.39 $ 9.108& 0.916& 1.269& 0.185& 16
17 0.041& 0.147& 9.695& 20.61 $ 7.652& 7.658& 11.43 $ 20.97 $ 7.277& 0.906& 1.061& 0.192& 17
18 0.030& 0.097& 6.523& 17.42 $ 11.06 $ 22.52 $ 10.24 $ 22.05 $ 6.096& 0.936& 0.889& 0.216& 18
19 0.040& 0.102& 5.081& 14.31 $ 11.13 $ 25.74 $ 9.170& 23.42 $ 5.371& 0.888& 0.751& 0.217& 19
20 0.040& 0.136& 3.599& 11.53 $ 9.133& 25.72 $ 12.11 & 24.82 $ 4.717& 0.915& 0.600& 0.284& 20
21 0.024& 0.134& 2.797& 9.731& 7.182& 104.6 $ 391.3 $ 31.55 $ 4.021& 0.854& 0.465& 0.193& 21
22 0.011& 0.154& 2.244& 8.542& 6.123& 97.93 " 289.5 " 35.78 $ 3.285& 0.872& 0.393& 0.206& 22
23 0.007& 0.187& 1.740& 7.633& 5.666& 77.90 " 95.32 " 44.18 $ 2.534& 0.890& 0.396& 0.173& 23
24 0.022& 0.179& 1.316& 6.622& 5.479& 42.30 $ 60.97 " 36.73 $ 2.049& 0.874& 0.507& 0.109& 24
25 0.020& 0.137& 0.969& 5.518& 5.365& 29.36 $ 45.02 $ 27.99 $ 1.763& 0.921& 0.511& 0.093& 25
26 0.013& 0.167& 245.7 & 4.603& 5.071& 23.53 $ 35.59 $ 22.45 $ 1.985& 0.947& 0.442& 0.090& 26
27 0.009& 0.165&1562 # 4.097& 4.849& 19.90 $ 29.53 $ 19.61 $ 1.989& 0.996& 0.438& 0.079& 27
28 0.008& 0.196& 366.6 " 3.704& 4.625& 17.17 $ 26.54 $ 18.02 $ 1.945& 1.006& 0.445& 0.050& 28
29 0.006& 98.07 " 3.953& 4.395& 15.33 $ 32.87 $ 17.15 $ 2.168& 1.060& 0.436& 0.035& 29
30 0.032& 57.30 $ 3.887& 4.360& 14.11 $ 111.2 " 17.24 $ 2.164& 1.024& 0.412& 0.021& 30
31 0.070& 42.24 $ 4.110& 214.6 " 18.83 $ 1.049& 0.065& 31
Mean 0.043& 0.791& 81.25 & 42.31 & 4.711& 20.57 & 50.63 & 62.29 $ 8.289& 1.079& 6.834& 0.177&
Median 0.032& 0.199& 1.740& 17.87 & 4.282& 7.698& 12.90 & 31.55 $ 8.132& 0.956& 1.076& 0.188&
Maximum 0.123& 9.995&1562 & 224.8 & 11.13 & 104.6 & 391.3 & 738.9 $ 20.00 & 2.021& 74.93 & 0.325&
Minimum 0.002& 0.097& 0.093& 3.704& 1.857& 4.050& 9.170& 17.15 $ 1.763& 0.854& 0.393& 0.021&
Total 1.347& 22.16 &2519 &1269 & 146.0 & 617.2 &1569 &1931 $ 248.7 & 33.45 & 205.0 & 5.486&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 23.47 & " ... Relative Uncertainty +/-10%
Ann. Median 3.810& # ... Relative Uncertainty +/-15%
Annual Total 8568 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 1562 & 0.002&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2016
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.085& 0.177& 0.079& 0.158& 1.314& 4.249& 48.04 $ 46.90 $ 51.75 " 9.152& 1.396& 0.187& 1
2 0.065& 0.204& 0.099& 0.192& 1.147& 3.858& 40.19 $ 39.77 $ 44.74 $ 8.563& 1.392& 0.203& 2
3 0.049& 0.128& 0.109& 0.179& 1.053& 3.573& 30.86 $ 33.17 $ 35.80 $ 8.133& 1.317& 0.180& 3
4 0.071& 0.086& 0.102& 0.166& 1.059& 6.151& 25.92 $ 32.37 $ 30.96 $ 7.849& 1.333& 0.197& 4
5 0.130& 0.048& 0.115& 0.158& 1.074& 15.32 $ 22.49 $ 35.83 $ 27.60 $ 7.173& 1.289& 0.189& 5
6 0.184& 0.022& 0.097& 0.145& 1.132& 13.14 $ 20.46 $ 44.29 $ 25.49 $ 6.643& 1.153& 0.190& 6
7 0.177& 0.013& 0.063& 0.116& 1.304& 32.79 $ 19.11 $ 41.71 $ 26.16 $ 6.383& 1.092& 0.174& 7
8 0.157& 0.012& 0.041& 0.103& 1.273& 76.85 " 47.73 $ 44.75 $ 29.35 $ 7.691& 1.029& 0.151& 8
9 0.170& 0.018& 0.027& 0.125& 1.165& 37.27 $ 464.2 " 50.58 $ 29.13 $ 11.77 $ 1.032& 0.146& 9
10 0.176& 0.036& 0.023& 0.226& 1.039& 21.81 $ 452.3 " 48.94 $ 25.81 $ 14.32 $ 1.098& 0.115& 10
11 0.177& 0.053& 0.016& 0.486& 0.806& 16.02 $ 227.2 " 45.64 $ 23.91 $ 10.38 & 1.077& 0.101& 11
12 0.159& 0.062& 0.031& 1.374& 0.704& 13.19 $ 116.7 " 38.45 $ 22.03 $ 7.081& 1.074& 0.104& 12
13 0.163& 0.075& 0.085& 0.828& 0.800& 23.62 $ 79.00 " 32.34 $ 19.61 $ 5.156& 0.938& 0.142& 13
14 0.135& 0.071& 0.115& 0.481& 0.899& 37.34 $ 57.90 " 28.63 $ 17.18 $ 4.635& 0.683& 0.155& 14
15 0.075& 0.048& 0.130& 0.374& 1.051& 25.70 $ 46.40 $ 27.08 $ 15.40 $ 4.080& 0.424& 0.109& 15
16 0.037& 0.023& 0.179& 0.342& 1.201& 19.40 $ 42.19 $ 26.01 $ 14.47 $ 3.470& 0.375& 0.079& 16
17 0.027& 0.012& 0.166& 0.311& 1.189& 16.97 $ 841.4 # 28.20 $ 13.85 $ 3.150& 0.527& 0.057& 17
18 0.053& 0.004& 0.123& 0.321& 1.189& 15.51 $ 670.0 " 53.18 $ 13.50 $ 3.069& 0.607& 0.081& 18
19 0.211& 0.002& 0.110& 0.329& 1.143& 13.64 $ 246.2 " 44.79 $ 13.69 $ 2.981& 0.592& 0.086& 19
20 0.447& 0.031& 0.100& 0.328& 1.282& 60.68 $ 123.4 " 36.22 $ 13.53 $ 2.882& 0.569& 0.088& 20
21 0.395& 0.063& 0.155& 0.269& 1.685& 102.2 " 95.41 " 32.34 $ 13.04 $ 2.673& 0.582& 0.086& 21
22 0.296& 0.083& 0.241& 0.198& 2.542& 61.37 " 93.18 " 29.39 $ 11.99 $ 2.197& 0.566& 0.070& 22
23 0.240& 0.093& 0.293& 0.155& 2.845& 53.51 $ 85.68 " 28.35 $ 12.25 $ 1.795& 0.478& 0.057& 23
24 0.181& 0.089& 0.215& 0.155& 4.659& 35.58 $ 76.73 " 25.91 $ 12.45 $ 1.638& 0.375& 0.092& 24
25 0.179& 0.060& 0.165& 0.196& 15.03 & 27.44 $ 63.21 " 23.26 $ 12.27 $ 1.648& 0.251& 0.114& 25
26 0.227& 0.058& 0.172& 0.719& 12.98 $ 23.31 $ 53.43 " 21.43 $ 11.48 $ 1.605& 0.195& 0.122& 26
27 0.254& 0.055& 0.383& 2.427& 9.954& 20.41 $ 47.13 $ 77.70 $ 10.98 $ 1.583& 0.156& 0.114& 27
28 0.195& 0.047& 0.428& 1.025& 7.560& 18.72 $ 42.89 $ 104.1 " 10.45 $ 1.558& 0.138& 0.103& 28
29 0.114& 0.048& 0.346& 1.286& 6.909& 57.20 $ 40.58 $ 103.1 " 9.598& 1.610& 0.145& 0.095& 29
30 0.076& 0.206& 1.308& 5.973& 57.82 " 50.51 $ 85.92 " 9.036& 1.584& 0.179& 0.091& 30
31 0.113& 0.152& 4.958& 55.81 " 60.47 " 1.464& 0.097& 31
Mean 0.162& 0.059& 0.147& 0.483& 3.126& 30.49 & 139.6 $ 44.22 $ 20.25 & 4.965& 0.735& 0.122&
Median 0.163& 0.053& 0.115& 0.290& 1.201& 22.56 & 55.81 $ 38.45 $ 14.93 & 3.470& 0.599& 0.109&
Maximum 0.447& 0.204& 0.428& 2.427& 15.03 & 102.2 & 841.4 $ 104.1 $ 51.75 & 14.32 & 1.396& 0.203&
Minimum 0.027& 0.002& 0.016& 0.103& 0.704& 3.573& 19.11 $ 21.43 $ 9.036& 1.464& 0.138& 0.057&
Total 5.019& 1.721& 4.565& 14.48 & 96.92 & 914.7 &4326 $1371 $ 607.5 & 153.9 & 22.06 & 3.775&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 20.55 & " ... Relative Uncertainty +/-10%
Ann. Median 1.145& # ... Relative Uncertainty +/-15%
Annual Total 7522 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 841.4 & 0.002&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2017
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.101& 72.99 $ 0.869& 0.171& 0.235& 1.556& 5.000& 24.57 $ 68.92 " 21.48 $ 1.912& 0.509& 1
2 0.072& 30.49 $ 0.906& 0.117& 0.247& 1.685& 9.225& 19.55 $ 49.03 $ 17.26 $ 1.868& 0.393& 2
3 0.034& 18.85 $ 0.786& 0.099& 0.227& 1.807& 9.045& 16.97 $ 38.34 $ 14.60 $ 1.789& 0.340& 3
4 0.021& 11.91 $ 0.702& 0.094& 0.203& 1.919& 8.400& 15.43 $ 30.92 $ 12.10 $ 1.666& 0.456& 4
5 0.025& 7.739& 0.677& 0.086& 0.222& 1.861& 7.595& 13.65 $ 26.36 $ 10.25 $ 2.002& 0.638& 5
6 0.054& 5.046& 0.534& 0.092& 0.278& 1.596& 7.421& 12.30 $ 23.43 $ 8.912& 2.351& 0.491& 6
7 0.069& 3.300& 0.473& 0.097& 0.267& 1.451& 8.421& 11.51 $ 23.28 $ 8.711& 1.925& 0.389& 7
8 0.068& 2.295& 0.454& 0.143& 0.232& 1.426& 9.873$ 11.80 $ 22.88 $ 9.427& 1.729& 0.349& 8
9 0.077& 1.712& 0.427& 0.130& 0.256& 1.240& 8.684& 42.91 $ 22.21 $ 8.937& 1.653& 0.243& 9
10 0.070& 1.841& 0.388& 0.111& 0.348& 1.203& 7.259& 44.55 $ 20.81 $ 8.261& 1.640& 0.168& 10
11 0.064& 1.831& 0.378& 0.102& 0.428& 1.091& 6.536& 32.65 $ 19.35 $ 7.725& 1.467& 0.171& 11
12 0.074& 1.541& 0.356& 0.109& 0.431& 0.989& 7.046& 57.27 $ 17.87 $ 6.906& 1.133& 0.163& 12
13 0.077& 1.341& 0.299& 0.139& 0.440& 0.927& 7.527& 110.7 " 16.11 $ 6.288& 1.442& 0.188& 13
14 0.073& 48.59 & 0.276& 0.182& 0.503& 1.416& 7.388& 54.70 $ 13.90 $ 5.901& 1.730& 0.218& 14
15 0.059& 15.18 $ 0.265& 0.235& 0.589& 2.446& 7.104& 51.09 " 12.45 $ 5.704& 1.796& 0.181& 15
16 0.058& 9.334& 0.226& 0.259& 0.706& 2.980& 8.042& 46.48 $ 11.53 $ 5.834& 2.058& 0.166& 16
17 0.089& 5.266& 0.201& 0.313& 0.802& 3.004& 9.076& 40.23 $ 11.05 $ 6.268& 3.912& 0.198& 17
18 0.127& 3.322& 0.215& 0.337& 0.754& 2.705& 8.342& 34.42 $ 10.36 $ 6.665& 21.91 $ 0.218& 18
19 0.133& 2.962& 0.226& 0.310& 0.835& 2.392& 8.450& 30.80 $ 9.539$ 5.865& 12.32 & 0.230& 19
20 0.090& 2.192& 0.198& 0.308& 1.655& 2.294& 9.994$ 29.07 $ 9.439& 4.678& 7.037& 0.205& 20
21 0.110& 10.98 & 0.191& 0.276& 3.351& 2.438& 10.66 $ 27.52 $ 9.276& 3.518& 4.422& 0.165& 21
22 0.098& 8.466& 0.241& 0.251& 5.788& 4.048& 10.98 $ 24.13 $ 10.20 $ 3.213& 2.881& 0.125& 22
23 0.100& 4.625& 0.279& 0.244& 4.231& 7.998& 10.54 $ 21.25 $ 11.25 $ 3.321& 1.886& 0.150& 23
24 0.087& 2.620& 0.263& 0.263& 3.422& 9.439& 10.46 $ 19.27 $ 27.04 $ 3.312& 1.240& 0.180& 24
25 0.065& 1.633& 0.261& 0.351& 2.805& 6.557& 10.22 $ 18.42 $ 46.04 $ 3.066& 0.960& 0.187& 25
26 0.041& 1.126& 0.277& 0.305& 2.467& 5.021& 9.245& 17.67 $ 56.50 " 2.890& 0.885& 0.189& 26
27 0.024& 1.016& 0.256& 0.258& 2.225& 4.250& 8.727& 16.90 $ 46.68 $ 2.720& 0.849& 0.160& 27
28 0.023& 0.914& 0.242& 0.232& 1.975& 3.674& 9.720& 17.47 $ 37.73 $ 2.559& 0.806& 0.125& 28
29 0.167& 0.234& 0.223& 1.804& 3.228& 23.54 $ 244.4 $ 35.65 $ 2.452& 0.707& 0.124& 29
30 49.26 & 0.222& 0.227& 1.698& 3.013& 22.62 $ 122.3 " 27.62 $ 2.291& 0.608& 0.110& 30
31 104.4 $ 0.193& 1.612& 20.83 $ 132.6 " 2.018& 0.091& 31
Mean 5.025& 9.968& 0.371& 0.202& 1.324& 2.855& 9.935& 43.95 $ 25.53 & 6.875& 2.953& 0.243&
Median 0.073& 3.311& 0.276& 0.225& 0.706& 2.343& 8.727& 27.52 $ 22.54 & 5.901& 1.760& 0.188&
Maximum 104.4 & 72.99 & 0.906& 0.351& 5.788& 9.439& 23.54 & 244.4 $ 68.92 & 21.48 & 21.91 & 0.638&
Minimum 0.021& 0.914& 0.191& 0.086& 0.203& 0.927& 5.000& 11.51 $ 9.276& 2.018& 0.608& 0.091&
Total 155.8 & 279.1 & 11.52 & 6.061& 41.04 & 85.66 & 308.0 &1362 $ 765.8 & 213.1 & 88.59 & 7.520&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 9.109& " ... Relative Uncertainty +/-10%
Ann. Median 1.861& $ ... Relative Uncertainty +/-20%
Annual Total 3325 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 244.4 & 0.021&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2018
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.096& 0.121& 0.179& 0.169& 0.289& 2.525& 8.037& 59.40 $ 97.48 " 8.462& 2.825& 0.607& 1
2 0.124& 0.101& 0.161& 0.182& 0.342& 2.391& 13.95 & 109.9 " 61.30 " 10.49 $ 2.645& 0.628& 2
3 0.138& 0.109& 0.171& 0.192& 0.340& 2.269& 370.8 " 114.1 " 43.63 $ 9.315& 2.642& 0.680& 3
4 0.151& 0.118& 0.151& 0.189& 0.307& 2.589& 112.8 " 115.1 " 35.32 $ 7.997& 2.794& 0.731& 4
5 0.145& 0.146& 0.103& 0.207& 0.277& 6.104& 103.8 " 99.51 " 31.32 $ 7.359& 2.793& 0.724& 5
6 0.108& 0.148& 0.077& 0.245& 0.285& 13.51 $ 66.38 " 91.97 " 28.53 $ 6.811& 2.731& 0.712& 6
7 0.093& 0.149& 0.084& 0.248& 0.392& 95.35 $ 50.94 $ 65.94 " 26.98 $ 6.425& 2.305& 0.708& 7
8 0.097& 0.178& 0.121& 0.229& 0.493& 36.17 $ 40.12 $ 50.17 $ 25.23 $ 6.444& 1.981& 0.672& 8
9 0.103& 0.196& 0.142& 0.278& 0.578& 16.17 $ 31.57 $ 46.88 $ 23.47 $ 6.430& 1.935& 0.663& 9
10 0.106& 0.157& 0.117& 0.250& 0.596& 12.82 $ 27.07 $ 60.67 " 22.28 $ 6.075& 1.937& 0.715& 10
11 0.159& 0.159& 0.075& 0.248& 0.557& 14.61 $ 24.46 $ 57.53 " 22.83 $ 5.562& 1.988& 0.791& 11
12 0.176& 0.151& 0.046& 0.252& 0.462& 12.89 $ 22.91 $ 52.56 $ 21.98 $ 5.388& 1.894& 0.810& 12
13 0.133& 0.152& 0.025& 0.250& 0.429& 11.20 $ 26.85 $ 40.55 $ 20.56 $ 5.829& 1.809& 0.731& 13
14 0.127& 0.146& 0.070& 0.251& 0.379& 9.768& 35.78 $ 38.68 $ 19.37 $ 6.379& 1.690& 0.655& 14
15 0.580& 0.151& 0.094& 0.247& 0.344& 8.264& 35.41 $ 46.99 $ 17.65 $ 6.036& 1.508& 0.635& 15
16 0.887& 0.155& 0.044& 0.236& 0.303& 7.187& 32.08 $ 43.60 $ 15.75 $ 5.588& 1.386& 1.101& 16
17 0.533& 0.167& 0.086& 0.245& 0.283& 6.246& 31.45 $ 43.20 $ 14.17 $ 5.073& 1.347& 3.908& 17
18 2.233& 0.168& 0.091& 0.262& 0.278& 34.89 & 29.65 $ 37.10 $ 12.77 $ 4.850& 1.346& 3.891& 18
19 6.562& 0.158& 0.087& 0.282& 0.255& 30.01 $ 26.99 $ 31.42 $ 11.74 $ 4.652& 1.166& 2.694& 19
20 3.845& 0.162& 0.066& 0.278& 0.287& 18.95 $ 24.10 $ 27.96 $ 10.95 $ 4.418& 0.940& 1.899& 20
21 2.406& 0.151& 0.041& 0.301& 0.377& 12.96 $ 23.12 $ 25.99 $ 9.881& 4.201& 0.826& 1.318& 21
22 1.713& 0.121& 0.053& 0.331& 0.423& 10.35 $ 53.90 $ 25.23 $ 8.884& 3.982& 0.785& 0.988& 22
23 1.231& 0.119& 0.086& 0.384& 0.438& 8.975& 69.72 " 23.73 $ 8.396& 3.623& 0.870& 0.857& 23
24 0.945& 0.138& 0.125& 0.373& 0.754& 7.997& 91.31 " 22.20 $ 8.262& 3.459& 0.918& 1.027& 24
25 0.761& 0.149& 0.101& 0.321& 23.02 & 7.284& 79.58 " 20.79 $ 8.196& 3.716& 0.890& 0.935& 25
26 0.633& 0.163& 0.105& 0.311& 9.544& 6.894& 106.5 " 19.73 $ 7.852& 3.646& 0.841& 0.756& 26
27 0.511& 0.263& 0.140& 0.344& 7.342& 6.749& 84.80 " 18.81 $ 7.257& 3.393& 0.806& 0.645& 27
28 0.434& 0.251& 0.218& 0.386& 5.240& 9.730& 90.71 " 19.99 $ 6.755& 3.113& 0.735& 0.559& 28
29 0.347& 0.220& 0.347& 3.904& 9.704& 64.12 " 39.45 $ 5.741& 2.832& 0.672& 0.463& 29
30 0.268& 0.183& 0.281& 3.067& 8.812& 50.64 $ 84.27 " 5.787& 2.611& 0.654& 0.415& 30
31 0.171& 0.156& 2.627& 43.06 $ 113.1 " 2.621& 0.432& 31
Mean 0.833& 0.155& 0.110& 0.271& 2.072& 14.45 & 60.41 & 53.11 $ 21.34 & 5.380& 1.589& 1.044&
Median 0.268& 0.151& 0.101& 0.252& 0.423& 9.717& 40.12 & 43.60 $ 16.70 & 5.388& 1.447& 0.724&
Maximum 6.562& 0.263& 0.220& 0.386& 23.02 & 95.35 & 370.8 & 115.1 $ 97.48 & 10.49 & 2.825& 3.908&
Minimum 0.093& 0.101& 0.025& 0.169& 0.255& 2.269& 8.037& 18.81 $ 5.741& 2.611& 0.654& 0.415&
Total 25.82 & 4.349& 3.417& 8.119& 64.22 & 433.4 &1873 &1647 $ 640.3 & 166.8 & 47.66 & 32.35 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 13.55 & " ... Relative Uncertainty +/-10%
Ann. Median 1.690& $ ... Relative Uncertainty +/-20%
Annual Total 4946 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 370.8 & 0.025&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2019
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.415& 0.131& 0.297& 0.049& 0.290& 0.505& 53.30 $ 20.17 $ 25.26 $ 4.454& 1.450& 0.490& 1
2 0.413& 0.125& 0.256& 0.063& 0.230& 0.466& 40.34 $ 18.51 $ 22.82 $ 4.396& 1.463& 0.463& 2
3 0.439& 0.115& 0.204& 0.181& 0.253& 0.452& 33.20 $ 18.19 $ 21.75 $ 4.202& 1.326& 0.319& 3
4 0.393& 0.125& 0.198& 0.233& 0.260& 0.435& 177.9 $ 19.20 $ 20.06 $ 3.892& 1.162& 0.224& 4
5 0.322& 0.117& 0.265& 0.239& 0.268& 0.458& 460.6 " 20.87 $ 17.62 $ 3.674& 1.062& 0.232& 5
6 0.303& 0.122& 0.271& 0.205& 0.366& 0.420& 486.2 " 21.69 $ 15.56 $ 3.668& 0.941& 0.301& 6
7 0.277& 0.154& 0.200& 0.199& 0.357& 6.845& 179.9 " 29.90 $ 13.58 $ 3.601& 0.908& 0.234& 7
8 0.267& 0.182& 0.180& 0.220& 0.320& 16.42 $ 103.7 " 27.05 $ 12.14 $ 3.173& 0.774& 0.185& 8
9 0.321& 0.121& 0.208& 0.206& 0.293& 33.79 $ 77.28 " 23.31 $ 10.85 $ 2.880& 0.572& 0.256& 9
10 0.342& 0.073& 0.186& 0.190& 0.241& 21.06 $ 63.85 " 21.07 $ 9.720& 2.918& 0.406& 0.367& 10
11 0.313& 0.051& 0.173& 0.215& 0.211& 59.04 $ 54.96 " 18.91 $ 8.912& 2.958& 0.432& 0.474& 11
12 0.286& 0.077& 0.173& 0.270& 0.216& 74.84 " 48.53 $ 17.39 $ 8.648& 3.010& 0.401& 0.470& 12
13 0.306& 0.111& 0.218& 0.289& 0.235& 37.09 $ 43.24 $ 16.81 $ 8.531& 2.987& 0.242& 0.358& 13
14 0.318& 0.128& 0.213& 0.314& 0.348& 22.05 $ 38.47 $ 17.85 $ 8.251& 2.807& 0.136& 0.159& 14
15 0.323& 0.132& 0.205& 0.317& 0.369& 16.70 $ 34.47 $ 23.73 $ 7.963& 2.542& 0.132& 0.031& 15
16 0.342& 0.142& 0.204& 0.343& 0.356& 13.55 $ 31.50 $ 25.55 $ 7.737& 2.264& 0.198& 0.001& 16
17 0.322& 0.178& 0.228& 0.413& 0.558& 11.41 $ 29.56 $ 22.94 $ 7.588& 1.953& 0.277& 0.000& 17
18 0.299& 0.174& 0.231& 0.433& 0.569& 10.09 $ 28.48 $ 22.17 $ 7.325& 1.743& 0.300& 0.000& 18
19 0.266& 0.152& 0.252& 0.371& 0.588& 8.974& 28.27 $ 19.46 $ 6.897& 1.645& 0.294& 0.024& 19
20 0.196& 0.151& 0.291& 0.365& 0.671& 8.082& 35.18 $ 16.71 $ 6.177& 1.612& 0.310& 0.256& 20
21 0.171& 0.189& 0.317& 0.302& 0.872& 7.981& 38.84 $ 14.29 $ 5.616& 1.595& 0.250& 0.361& 21
22 0.193& 0.200& 0.315& 0.244& 1.156& 8.471& 36.47 $ 13.10 $ 4.947& 1.616& 0.202& 0.166& 22
23 0.237& 0.212& 0.295& 0.209& 1.194& 54.76 & 36.71 $ 14.47 $ 4.295& 1.639& 0.199& 0.170& 23
24 0.244& 0.204& 0.220& 0.224& 1.198& 76.22 " 33.56 $ 17.40 $ 3.826& 1.546& 0.216& 0.213& 24
25 0.218& 0.200& 0.149& 0.208& 1.100& 39.85 $ 30.61 $ 18.41 $ 3.723& 1.344& 0.231& 0.259& 25
26 0.216& 0.211& 0.104& 0.168& 1.114& 34.19 $ 28.91 $ 16.74 $ 3.873& 1.244& 0.228& 0.172& 26
27 0.185& 0.237& 0.078& 0.113& 1.010& 163.5 " 27.59 $ 14.63 $ 3.820& 1.141& 0.228& 0.153& 27
28 0.127& 0.292& 0.077& 0.119& 0.847& 191.9 " 26.39 $ 12.57 $ 3.886& 1.072& 0.261& 0.183& 28
29 0.081& 0.104& 0.136& 0.823& 116.5 " 25.14 $ 11.62 $ 4.089& 1.188& 0.366& 0.193& 29
30 0.088& 0.109& 0.228& 0.740& 78.68 " 23.86 $ 20.52 $ 4.333& 1.286& 0.435& 0.156& 30
31 0.122& 0.066& 0.579& 22.12 $ 27.72 $ 1.286& 0.132& 31
Mean 0.269& 0.154& 0.203& 0.235& 0.569& 37.16 & 76.75 $ 19.45 $ 9.660& 2.430& 0.513& 0.226&
Median 0.286& 0.147& 0.205& 0.222& 0.369& 16.56 & 36.47 $ 18.91 $ 7.850& 2.264& 0.305& 0.213&
Maximum 0.439& 0.292& 0.317& 0.433& 1.198& 191.9 & 486.2 $ 29.90 $ 25.26 & 4.454& 1.463& 0.490&
Minimum 0.081& 0.051& 0.066& 0.049& 0.211& 0.420& 22.12 $ 11.62 $ 3.723& 1.072& 0.132& 0.000&
Total 8.344& 4.305& 6.287& 7.065& 17.63 &1115 &2379 $ 603.0 $ 289.8 & 75.34 & 15.40 & 7.002&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 12.41 & " ... Relative Uncertainty +/-10%
Ann. Median 0.433& $ ... Relative Uncertainty +/-20%
Annual Total 4528 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 486.2 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2020
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.123& 0.132& 1.943& 0.348& 0.200& 3.726& 15.47 $ 11.88 $ 23.27 $ 6.788& 2.837& 0.536& 1
2 0.137& 0.202& 1.527& 0.370& 0.203& 3.399& 16.89 $ 11.61 $ 25.51 $ 6.890& 8.460& 0.470& 2
3 0.147& 0.377& 0.896& 0.466& 0.235& 2.959& 15.57 $ 13.22 $ 25.32 $ 7.706& 10.33 & 0.470& 3
4 0.121& 0.520& 0.515& 0.499& 0.309& 2.610& 12.06 $ 23.20 $ 24.09 $ 7.355& 8.477& 0.469& 4
5 0.097& 0.618& 0.388& 0.469& 0.838& 2.326& 10.05 & 51.81 $ 22.78 $ 6.354& 6.329& 0.459& 5
6 0.081& 0.792& 0.431& 0.575& 1.786& 2.148& 9.274& 41.00 $ 21.90 $ 5.441& 4.368& 0.453& 6
7 0.088& 0.695& 0.846& 0.724& 1.309& 2.164& 8.961& 29.50 $ 23.54 $ 4.769& 3.339& 0.443& 7
8 0.103& 0.651& 1.066& 0.715& 1.274& 2.385& 9.316& 23.58 $ 26.31 $ 4.638& 2.803& 0.348& 8
9 0.143& 0.865& 1.089& 0.681& 1.366& 2.238& 9.374& 108.7 $ 24.18 $ 4.775& 2.519& 0.242& 9
10 0.140& 1.360& 1.159& 0.539& 1.209& 2.136& 8.638& 207.6 " 22.17 $ 4.625& 2.808& 0.281& 10
11 0.129& 0.933& 1.139& 0.453& 1.063& 6.800& 7.905& 257.8 " 21.14 $ 4.477& 2.765& 0.374& 11
12 0.112& 0.732& 1.034& 0.501& 1.104& 22.35 $ 7.088& 148.6 " 18.95 $ 4.429& 2.761& 0.456& 12
13 0.084& 0.678& 1.007& 0.657& 0.967& 20.88 $ 6.777& 95.56 " 16.78 $ 4.500& 2.601& 0.594& 13
14 0.085& 0.905& 0.962& 0.645& 0.826& 13.06 $ 9.310& 68.54 " 14.76 $ 4.562& 2.787& 0.518& 14
15 0.123& 1.266& 0.771& 0.586& 0.785& 9.257& 14.59 $ 61.88 " 13.45 $ 4.267& 3.270& 0.386& 15
16 0.169& 1.323& 1.036& 0.449& 0.850& 7.465& 15.75 $ 287.5 " 12.82 $ 3.852& 2.895& 0.297& 16
17 0.195& 1.379& 1.429& 0.445& 0.976& 6.671& 156.3 $ 112.8 " 11.49 $ 3.690& 2.677& 0.297& 17
18 0.191& 1.543& 1.548& 0.422& 0.985& 16.78 & 70.91 " 109.1 " 10.14 $ 3.445& 2.431& 0.315& 18
19 0.178& 2.386& 1.395& 0.403& 0.979& 16.76 $ 56.57 $ 82.64 " 9.861$ 3.266& 2.182& 0.275& 19
20 0.199& 2.926& 0.952& 0.557& 0.960& 12.06 $ 45.47 $ 59.65 " 9.880$ 3.553& 2.120& 0.243& 20
21 0.198& 3.975& 0.672& 0.557& 0.993& 9.310& 32.27 $ 49.01 $ 9.656& 3.390& 1.835& 0.224& 21
22 0.077& 4.355& 0.796& 0.523& 1.040& 9.031& 25.91 $ 42.19 $ 9.230& 3.243& 1.554& 0.194& 22
23 0.095& 3.397& 0.698& 0.531& 0.973& 28.37 $ 22.40 $ 38.27 $ 8.539& 2.909& 1.390& 0.166& 23
24 0.119& 2.713& 0.491& 0.490& 0.808& 25.58 $ 20.08 $ 35.11 $ 7.247& 2.475& 1.145& 0.176& 24
25 0.118& 2.418& 0.387& 0.524& 2.598& 18.28 $ 17.80 $ 31.69 $ 6.843& 2.110& 1.016& 0.126& 25
26 0.119& 2.433& 0.452& 0.592& 3.594& 14.69 $ 16.08 $ 28.63 $ 7.201& 1.888& 0.942& 0.153& 26
27 0.116& 3.054& 0.423& 0.478& 3.659& 13.00 $ 14.77 $ 26.23 $ 7.641& 1.823& 0.842& 0.276& 27
28 0.115& 2.811& 0.423& 0.448& 3.454& 12.05 $ 14.18 $ 25.26 $ 7.608& 1.711& 0.673& 0.213& 28
29 0.114& 2.364& 0.508& 0.366& 3.131& 12.00 $ 13.73 $ 24.64 $ 7.310& 1.681& 0.589& 0.114& 29
30 0.152& 0.510& 0.273& 3.950& 12.65 $ 13.01 $ 22.89 $ 6.953& 1.440& 0.601& 0.113& 30
31 0.158& 0.406& 3.758& 12.42 $ 21.41 $ 1.322& 0.088& 31
Mean 0.130& 1.648& 0.868& 0.510& 1.490& 10.44 & 22.87 & 69.41 $ 15.22 & 3.980& 2.978& 0.315&
Median 0.121& 1.323& 0.846& 0.500& 0.993& 9.284& 14.59 & 41.00 $ 13.14 & 3.852& 2.639& 0.297&
Maximum 0.199& 4.355& 1.943& 0.724& 3.950& 28.37 & 156.3 & 287.5 $ 26.31 & 7.706& 10.33 & 0.594&
Minimum 0.077& 0.132& 0.387& 0.273& 0.200& 2.136& 6.777& 11.61 $ 6.843& 1.322& 0.589& 0.088&
Total 4.026& 47.80 & 26.90 & 15.29 & 46.18 & 313.1 & 708.9 &2152 $ 456.6 & 123.4 & 89.35 & 9.770&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 10.91 & " ... Relative Uncertainty +/-10%
Ann. Median 2.128& $ ... Relative Uncertainty +/-20%
Annual Total 3993 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 287.5 & 0.077&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2021
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.126& 1.164& 0.196& 0.195& 4.978& 175.7 " 67.58 " 764.8 " 43.84 $ 28.71 $ 23.65 $ 5.758& 1
2 0.168& 0.844& 0.227& 0.180& 5.207& 108.7 " 64.71 " 381.5 " 45.77 $ 32.52 $ 22.07 $ 5.551& 2
3 0.155& 0.569& 0.251& 0.211& 5.426& 81.99 " 62.03 " 195.8 " 45.39 $ 37.65 $ 20.83 $ 5.572& 3
4 0.142& 0.352& 0.315& 0.236& 6.226& 67.49 " 57.83 " 143.3 " 44.16 $ 36.51 $ 19.65 $ 5.270& 4
5 0.260& 0.207& 0.334& 0.187& 8.649& 58.53 " 60.74 " 118.0 " 41.81 $ 33.29 $ 18.98 $ 4.748& 5
6 0.310& 0.580& 0.324& 0.173& 10.14 $ 52.52 " 70.13 " 102.5 " 38.72 $ 31.81 $ 18.16 $ 4.375& 6
7 0.255& 0.887& 0.285& 0.245& 12.03 $ 48.36 $ 97.16 " 92.74 " 36.37 $ 29.21 $ 17.11 $ 4.208& 7
8 0.179& 0.531& 0.229& 0.245& 11.81 $ 45.52 $ 93.35 " 97.87 " 34.86 $ 27.33 $ 16.91 $ 4.061& 8
9 0.100& 0.297& 0.186& 0.262& 11.09 $ 45.44 $ 90.94 " 101.9 " 34.12 $ 25.69 $ 16.59 $ 4.061& 9
10 0.047& 0.213& 0.167& 0.232& 10.18 $ 44.78 $ 128.2 " 123.2 " 33.71 $ 24.32 $ 15.48 $ 4.110& 10
11 0.016& 0.153& 0.206& 0.606& 9.386& 62.38 " 106.0 " 147.6 " 33.43 $ 23.13 $ 14.23 $ 3.920& 11
12 0.003& 0.135& 0.209& 109.9 & 8.774& 107.1 " 213.0 " 150.8 " 32.87 $ 22.06 $ 13.29 $ 3.413& 12
13 0.043& 0.135& 0.187& 55.53 $ 8.784& 114.9 " 268.4 " 119.0 " 32.05 $ 21.14 $ 11.99 $ 2.912& 13
14 0.287& 0.288& 0.123& 43.02 $ 8.309& 118.1 " 327.8 " 94.80 " 31.02 $ 20.33 $ 11.78 $ 2.659& 14
15 0.524& 0.336& 0.079& 23.47 $ 8.109& 104.9 " 216.4 " 81.82 " 30.82 $ 19.33 $ 11.57 $ 2.681& 15
16 0.676& 0.256& 0.056& 15.37 $ 7.551& 79.03 " 161.3 " 72.45 " 34.76 $ 18.81 $ 11.16 $ 2.889& 16
17 0.644& 0.239& 0.038& 10.83 $ 7.463& 66.20 " 131.7 " 66.34 " 37.48 $ 18.76 $ 10.92 $ 3.087& 17
18 0.548& 0.254& 0.040& 8.457& 7.735& 58.39 " 110.7 " 62.99 " 35.54 $ 18.08 $ 10.62 $ 3.284& 18
19 0.448& 0.231& 0.091& 6.986& 8.639& 53.30 " 97.40 " 60.86 " 33.07 $ 27.50 $ 10.46 $ 3.304& 19
20 0.336& 0.180& 0.087& 6.713& 8.991& 50.22 " 143.3 " 60.86 " 30.79 $ 57.78 $ 10.14 $ 3.475& 20
21 0.255& 0.140& 0.057& 6.354& 9.130& 162.3 " 390.2 " 63.11 " 28.07 $ 55.27 " 9.699$ 3.785& 21
22 0.601& 0.161& 0.040& 5.769& 10.33 $ 119.2 " 832.3 " 59.81 " 25.26 $ 45.20 $ 9.487& 4.084& 22
23 1.071& 0.148& 0.041& 5.311& 14.70 $ 113.3 " 292.5 " 56.07 " 23.20 $ 36.71 $ 9.083& 4.208& 23
24 1.335& 0.124& 0.110& 5.009& 19.35 $ 106.8 " 178.0 " 51.95 " 22.44 $ 32.01 $ 8.792& 4.046& 24
25 1.499& 0.116& 0.159& 4.751& 24.40 $ 80.25 " 139.9 " 48.07 $ 22.13 $ 29.50 $ 7.939& 4.088& 25
26 1.382& 0.124& 0.160& 4.595& 19.77 $ 66.96 " 123.4 " 46.01 $ 28.99 $ 29.97 $ 7.648& 4.093& 26
27 1.288& 0.176& 0.185& 4.402& 16.44 $ 60.01 " 140.6 " 45.08 $ 43.66 $ 35.20 $ 6.664& 4.185& 27
28 1.399& 0.205& 0.195& 4.365& 16.22 $ 64.97 " 220.2 " 44.01 $ 35.82 $ 39.39 $ 5.988& 3.806& 28
29 1.443& 0.185& 4.502& 264.6 $ 73.27 " 281.7 " 43.39 $ 31.23 $ 33.31 $ 5.853& 2.955& 29
30 1.495& 0.199& 4.869& 210.2 " 74.30 " 485.0 " 43.00 $ 28.23 $ 28.67 $ 6.086& 2.321& 30
31 1.438& 0.195& 363.0 " 604.0 " 42.81 $ 25.67 $ 2.444& 31
Mean 0.596& 0.323& 0.166& 11.10 & 36.70 & 82.17 $ 201.8 " 115.6 $ 33.99 $ 30.48 $ 12.76 & 3.850&
Median 0.336& 0.222& 0.185& 4.673& 9.386& 70.38 $ 139.9 " 72.45 $ 33.57 $ 29.21 $ 11.36 & 4.046&
Maximum 1.499& 1.164& 0.334& 109.9 & 363.0 & 175.7 $ 832.3 " 764.8 $ 45.77 $ 57.78 $ 23.65 & 5.758&
Minimum 0.003& 0.116& 0.038& 0.173& 4.978& 44.78 $ 57.83 " 42.81 $ 22.13 $ 18.08 $ 5.853& 2.321&
Total 18.47 & 9.045& 5.157& 333.0 &1138 &2465 $6256 "3582 $1020 $ 944.9 $ 382.8 & 119.4 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 44.59 & " ... Relative Uncertainty +/-10%
Ann. Median 11.78 & $ ... Relative Uncertainty +/-20%
Annual Total 16274 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 832.3 & 0.003&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2022
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 3.598& 0.521& 1.330& 6.511& 6.011& 13.34 $ 16.03 $ 53.62 " 44.37 $ 20.35 $ 15.15 $ 1.859& 1
2 3.990& 0.552& 1.820& 7.265& 5.840& 13.32 $ 15.43 $ 72.72 " 62.41 $ 18.95 $ 11.05 $ 1.753& 2
3 3.940& 0.384& 1.821& 7.479& 6.240& 13.41 $ 14.90 $ 83.27 " 341.6 " 17.56 $ 8.391& 1.625& 3
4 4.149& 0.148& 1.793& 8.217& 6.935& 13.61 $ 14.40 $ 95.59 " 396.1 " 16.24 $ 6.627& 1.540& 4
5 4.096& 0.036& 1.789& 7.601& 6.747& 13.39 $ 14.16 $ 80.41 " 243.8 " 19.00 $ 5.726& 1.465& 5
6 3.683& 0.012& 1.868& 6.584& 6.462& 12.98 $ 14.54 $ 67.37 " 213.3 " 20.47 $ 5.299& 1.356& 6
7 3.545& 0.021& 2.018& 5.728& 6.639& 12.55 $ 15.14 $ 58.53 " 166.1 " 19.27 $ 5.064& 1.261& 7
8 4.004& 0.163& 2.162& 5.415& 7.461& 12.13 $ 14.83 $ 53.13 " 144.5 " 17.83 $ 4.777& 1.075& 8
9 4.651& 0.286& 1.913& 6.476& 8.030& 13.23 $ 14.35 $ 54.83 " 105.8 " 15.86 $ 4.733& 1.012& 9
10 4.629& 0.449& 1.717& 7.031& 8.370& 14.71 $ 19.99 $ 53.78 " 83.79 " 15.50 $ 4.739& 0.967& 10
11 4.039& 0.578& 1.608& 6.997& 9.168& 21.54 $ 25.89 $ 47.24 $ 69.48 " 15.41 $ 4.943& 0.841& 11
12 3.773& 0.607& 1.571& 6.753& 11.51 $ 32.43 $ 24.79 $ 41.62 $ 60.27 " 14.45 $ 4.760& 0.836& 12
13 3.972& 0.589& 2.154& 6.619& 17.83 $ 41.24 $ 21.81 $ 52.79 $ 79.98 " 13.03 $ 4.340& 0.812& 13
14 4.184& 0.688& 3.373& 6.439& 17.09 $ 32.15 $ 21.10 $ 86.31 " 89.46 " 11.74 $ 4.262& 0.729& 14
15 4.179& 0.887& 3.639& 6.174& 15.56 $ 26.23 $ 21.55 $ 71.09 " 77.66 " 11.13 $ 3.882& 0.731& 15
16 4.194& 0.936& 4.081& 5.965& 14.33 $ 24.16 $ 21.56 $2133 # 67.32 " 10.42 $ 3.450& 0.685& 16
17 4.071& 0.554& 4.605& 6.408& 13.34 $ 48.63 $ 21.90 $1327 # 57.96 " 10.34 $ 3.292& 0.600& 17
18 3.721& 0.203& 4.754& 6.748& 13.44 $ 62.53 $ 30.71 $ 618.6 " 50.85 $ 10.14 $ 3.592& 0.470& 18
19 3.043& 0.050& 4.534& 6.250& 13.36 $ 42.09 $ 32.55 $ 276.8 " 47.47 $ 9.395$ 4.257& 0.418& 19
20 2.156& 0.014& 4.510& 5.478& 13.42 $ 41.90 $ 29.96 $ 173.9 " 46.18 $ 9.091& 4.374& 0.345& 20
21 1.463& 0.007& 4.742& 5.079& 13.20 $ 32.64 $ 115.9 $ 124.6 " 44.39 $ 8.831& 4.570& 0.423& 21
22 0.760& 0.015& 4.779& 4.674& 13.65 $ 27.04 $ 139.1 " 99.84 " 42.14 $ 8.539& 4.237& 0.459& 22
23 0.147& 0.050& 4.572& 4.623& 17.42 $ 23.99 $ 81.18 " 82.42 " 39.15 $ 8.256& 3.737& 0.387& 23
24 0.031& 0.112& 4.513& 4.948& 19.07 $ 23.73 $ 87.73 " 68.88 " 37.88 $ 8.208& 3.515& 0.306& 24
25 0.020& 0.271& 4.391& 5.190& 20.04 $ 23.07 $ 69.42 " 59.86 " 41.16 $ 7.432& 3.174& 0.336& 25
26 0.073& 0.461& 4.754& 5.801& 19.81 $ 21.40 $ 54.97 " 54.54 " 35.10 $ 6.886& 2.892& 0.447& 26
27 0.190& 0.732& 6.116& 7.460& 18.21 $ 19.75 $ 44.59 $ 53.25 " 31.25 $ 6.476& 2.756& 0.475& 27
28 0.323& 0.935& 6.369& 7.997& 16.56 $ 18.79 $ 39.80 $ 63.83 " 28.14 $ 6.187& 2.563& 0.413& 28
29 0.396& 6.704& 7.509& 15.16 $ 18.18 $ 44.46 $ 66.18 " 25.23 $ 6.880& 2.258& 0.332& 29
30 0.357& 6.847& 6.634& 14.24 $ 16.92 $ 83.28 " 56.11 " 22.41 $ 10.68 & 1.881& 0.296& 30
31 0.340& 6.535& 13.77 $ 64.36 " 49.72 $ 18.79 $ 0.294& 31
Mean 2.636& 0.366& 3.657& 6.402& 12.55 & 24.37 $ 39.69 $ 202.6 $ 93.17 $ 12.69 & 4.810& 0.792&
Median 3.683& 0.335& 4.081& 6.493& 13.42 & 21.47 $ 24.79 $ 67.37 $ 59.12 $ 11.13 & 4.301& 0.685&
Maximum 4.651& 0.936& 6.847& 8.217& 20.04 & 62.53 $ 139.1 $2133 $ 396.1 $ 20.47 & 15.15 & 1.859&
Minimum 0.020& 0.007& 1.330& 4.623& 5.840& 12.13 $ 14.16 $ 41.62 $ 22.41 $ 6.187& 1.881& 0.294&
Total 81.72 & 10.26 & 113.4 & 192.1 & 388.9 & 731.1 $1230 $6281 $2795 $ 393.3 & 144.3 & 24.55 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 33.94 & " ... Relative Uncertainty +/-10%
Ann. Median 7.265& # ... Relative Uncertainty +/-15%
Annual Total 12387 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2133 & 0.007&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2023
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.386& 0.214& 0.517& 1.408& 1.218& 5.208& 9.527& 15.15 $ 5.418& 3.410& 0.637& 0.499& 1
2 0.418& 0.243& 0.530& 1.173& 1.171& 6.169& 8.756& 15.69 $ 5.821& 3.477& 0.523& 0.460& 2
3 0.495& 0.200& 0.467& 1.046& 1.092& 4.695& 8.763& 43.47 $ 5.857& 3.317& 0.447& 0.443& 3
4 0.444& 0.186& 0.565& 0.931& 1.049& 3.845& 13.84 $ 36.33 $ 6.024& 3.013& 0.358& 0.425& 4
5 0.393& 0.135& 0.722& 0.812& 1.157& 5.507& 20.63 $ 25.09 $ 6.169& 2.869& 0.315& 0.414& 5
6 0.296& 0.135& 0.775& 0.715& 1.295& 20.04 $ 25.14 $ 20.84 $ 6.374& 2.689& 0.423& 0.390& 6
7 0.209& 0.396& 0.773& 0.626& 1.607& 11.52 $ 21.61 $ 19.07 $ 6.354& 2.499& 0.502& 0.367& 7
8 0.248& 0.550& 0.680& 0.691& 1.882& 9.367& 17.75 $ 17.92 $ 5.444& 2.463& 0.505& 0.342& 8
9 0.451& 0.408& 0.711& 0.730& 1.888& 6.927& 15.43 $ 16.79 $ 4.745& 2.309& 0.486& 0.318& 9
10 0.554& 0.354& 0.811& 0.792& 2.018& 5.727& 13.80 $ 15.68 $ 4.767& 2.153& 0.437& 0.201& 10
11 0.566& 0.329& 0.901& 0.883& 2.103& 6.685& 12.49 $ 15.64 $ 4.655& 2.009& 0.464& 0.116& 11
12 0.604& 0.381& 0.981& 0.911& 1.911& 6.987& 11.87 $ 15.30 $ 4.682& 1.788& 0.536& 0.063& 12
13 0.678& 0.416& 0.972& 0.904& 1.791& 6.151& 11.85 $ 15.31 $ 5.352& 1.566& 0.626& 0.037& 13
14 0.675& 0.434& 0.572& 0.870& 2.321& 5.321& 14.22 $ 14.11 $ 8.555& 1.286& 0.535& 0.031& 14
15 0.820& 0.423& 0.516& 0.890& 2.104& 5.095& 14.96 $ 12.71 $ 10.40 $ 1.049& 0.519& 0.050& 15
16 0.857& 0.327& 0.488& 0.831& 1.951& 5.596& 13.57 $ 12.80 $ 10.83 $ 0.843& 0.579& 0.118& 16
17 0.965& 0.344& 0.460& 0.810& 1.839& 6.236& 12.07 $ 12.30 $ 9.384& 0.640& 0.522& 0.181& 17
18 1.121& 0.456& 0.450& 0.864& 1.705& 6.311& 11.43 $ 12.21 $ 8.162& 0.693& 0.447& 0.264& 18
19 0.762& 0.367& 0.433& 0.856& 1.413& 5.981& 12.72 $ 11.15 $ 7.150& 0.873& 0.343& 0.311& 19
20 0.685& 0.436& 0.371& 0.720& 1.184& 6.541& 15.37 $ 10.17 $ 7.044& 0.911& 0.303& 0.243& 20
21 0.639& 0.574& 0.418& 0.783& 1.003& 8.805& 15.15 $ 9.847$ 6.803& 0.923& 0.315& 0.179& 21
22 0.797& 0.549& 0.490& 0.757& 1.083& 10.24 $ 13.48 $ 9.175& 6.167& 0.927& 0.374& 0.125& 22
23 0.711& 0.518& 0.544& 0.828& 1.021& 11.41 $ 11.75 $ 9.059& 5.929& 0.948& 0.385& 0.149& 23
24 0.486& 0.587& 0.584& 0.959& 1.205& 13.49 $ 10.32 $ 8.792& 5.620& 0.908& 0.372& 0.237& 24
25 0.478& 0.562& 0.604& 1.314& 1.871& 16.55 $ 9.639$ 8.564& 5.187& 0.765& 0.419& 0.267& 25
26 0.431& 0.400& 0.683& 1.403& 2.002& 31.15 $ 14.33 $ 8.258& 5.095& 0.626& 0.455& 0.267& 26
27 0.394& 0.290& 0.721& 1.278& 1.862& 21.84 $ 20.43 $ 7.734& 4.323& 0.620& 0.491& 0.353& 27
28 0.336& 0.316& 0.626& 1.161& 1.903& 16.16 $ 21.04 $ 7.575& 3.801& 0.621& 0.531& 0.394& 28
29 0.292& 2.511& 1.056& 1.904& 12.56 $ 18.79 $ 7.395& 3.691& 0.642& 0.473& 0.438& 29
30 0.248& 11.50 & 1.297& 2.008& 10.75 $ 17.64 $ 6.929& 3.581& 0.631& 0.476& 0.350& 30
31 0.214& 2.619& 3.101& 16.82 $ 5.998& 0.663& 0.318& 31
Mean 0.537& 0.376& 1.097& 0.943& 1.667& 9.763& 14.68 & 14.42 & 6.113& 1.553& 0.460& 0.269&
Median 0.486& 0.389& 0.604& 0.876& 1.839& 6.806& 13.84 & 12.71 & 5.839& 0.948& 0.468& 0.267&
Maximum 1.121& 0.587& 11.50 & 1.408& 3.101& 31.15 & 25.14 & 43.47 & 10.83 & 3.477& 0.637& 0.499&
Minimum 0.209& 0.135& 0.371& 0.626& 1.003& 3.845& 8.756& 5.998& 3.581& 0.620& 0.303& 0.031&
Total 16.65 & 10.53 & 34.00 & 28.30 & 51.66 & 292.9 & 455.2 & 447.1 & 183.4 & 48.13 & 13.80 & 8.349&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 4.356& $ ... Relative Uncertainty +/-20%
Ann. Median 0.972& & ... Relative Uncertainty +/-30%
Annual Total 1590 &
Maximum Minimum
Daily 43.47 & 0.031&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2024
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.337& 0.327& 0.544& 0.487& 0.576& 1.026& 177.4 " 579.7 " 79.31 " 13.23 $ 3.436& 1.317& 1
2 0.256& 0.200& 0.495& 0.431& 0.659& 1.679& 123.0 " 562.7 " 69.35 " 22.47 $ 3.218& 1.411& 2
3 0.266& 0.142& 0.574& 0.309& 0.731& 1.737& 97.80 " 229.7 " 62.07 " 59.14 $ 3.014& 1.454& 3
4 0.232& 0.091& 0.790& 0.240& 0.787& 1.359& 81.54 " 145.3 " 57.37 " 46.13 $ 2.820& 1.474& 4
5 0.131& 0.098& 0.750& 0.226& 0.721& 1.193& 69.98 " 116.1 " 61.40 " 36.94 $ 2.605& 1.696& 5
6 0.067& 0.147& 0.654& 0.260& 0.697& 1.007& 63.39 " 102.8 " 68.64 " 31.14 $ 2.418& 1.797& 6
7 0.026& 0.135& 0.579& 0.362& 0.786& 6.584& 86.44 " 117.6 " 69.11 " 27.31 $ 2.279& 1.643& 7
8 0.013& 0.078& 0.539& 0.586& 0.777& 105.2 $ 157.8 " 150.5 " 60.32 " 24.14 $ 2.364& 1.490& 8
9 0.015& 0.036& 0.345& 0.483& 0.693& 987.3 # 209.8 " 132.0 " 51.36 " 21.26 $ 2.360& 1.382& 9
10 0.090& 0.008& 0.426& 0.300& 0.629&1967 #2556 $ 107.8 " 45.51 $ 18.21 $ 2.264& 1.535& 10
11 0.190& 0.000& 0.422& 0.195& 0.699& 381.2 "2212 # 157.9 " 40.93 $ 15.12 $ 2.226& 1.424& 11
12 0.200& 0.000 0.386& 0.180& 0.763& 206.2 " 457.2 " 179.6 " 35.05 $ 13.24 $ 2.127& 1.074& 12
13 0.308& 0.000 0.378& 0.267& 0.765& 191.7 " 251.3 " 142.9 " 30.38 $ 11.73 $ 2.046& 0.858& 13
14 0.331& 0.000 0.360& 0.429& 1.089& 165.1 " 184.5 " 121.3 " 26.78 $ 10.65 $ 2.002& 0.931& 14
15 0.367& 0.001& 0.332& 0.531& 1.120& 106.0 " 150.7 " 108.3 " 23.15 $ 9.777& 1.988& 0.956& 15
16 0.360& 0.020& 0.245& 0.501& 0.959& 84.57 " 130.9 " 99.61 " 19.97 $ 12.32 & 2.013& 0.818& 16
17 0.319& 0.170& 0.219& 0.458& 0.845& 71.60 " 113.3 " 581.1 # 17.35 $ 29.70 $ 2.072& 0.840& 17
18 0.283& 0.326& 0.240& 0.372& 0.750& 61.79 " 874.0 # 643.3 " 15.75 $ 29.25 $ 2.271& 0.769& 18
19 0.243& 0.229& 0.339& 0.283& 0.660& 52.97 "1084 " 551.3 " 14.79 $ 22.75 $ 2.936& 0.618& 19
20 0.225& 0.103& 0.380& 0.291& 0.625& 45.76 $ 430.0 " 277.4 " 14.63 $ 19.38 $ 5.910& 0.635& 20
21 0.215& 0.029& 0.272& 0.260& 0.634& 39.99 $ 214.2 " 160.0 " 14.07 $ 18.59 $ 9.514& 0.704& 21
22 0.238& 0.005& 0.158& 0.262& 0.672& 38.92 $ 157.0 " 123.5 " 13.64 $ 17.69 $ 9.487& 0.535& 22
23 0.281& 0.000& 0.106& 0.363& 0.698& 52.61 $ 428.8 " 133.2 " 13.54 $ 15.00 $ 6.651& 0.383& 23
24 0.281& 0.117& 0.106& 0.433& 0.761& 68.70 " 865.7 " 302.1 " 13.18 $ 12.43 $ 4.638& 0.270& 24
25 0.294& 2.248& 0.134& 0.410& 0.915& 68.20 " 442.2 " 383.8 " 12.54 $ 10.60 $ 3.342& 0.244& 25
26 0.321& 1.448& 0.085& 0.522& 1.043& 71.73 " 220.2 " 204.1 " 11.77 $ 8.966& 2.670& 0.213& 26
27 0.341& 0.861& 0.119& 0.768& 1.027& 289.5 " 191.0 " 127.8 " 13.89 $ 7.744& 2.122& 0.218& 27
28 0.271& 0.705& 0.193& 0.754& 1.034& 852.4 " 161.2 " 103.8 " 16.96 $ 6.362& 1.828& 0.184& 28
29 0.388& 0.617& 0.324& 0.621& 1.135& 889.7 " 149.6 " 95.70 " 16.34 $ 4.974& 1.619& 0.135& 29
30 0.511& 0.376& 0.588& 1.084& 430.1 " 243.6 " 95.70 " 14.91 $ 4.411& 1.379& 0.099& 30
31 0.469& 0.436& 1.112& 297.5 " 90.14 " 3.990& 0.069& 31
Mean 0.254& 0.281& 0.365& 0.406& 0.821& 241.4 & 415.5 $ 223.5 # 33.47 $ 18.86 & 3.187& 0.877&
Median 0.271& 0.103& 0.360& 0.391& 0.763& 70.15 & 191.0 $ 142.9 # 21.56 $ 15.12 & 2.362& 0.840&
Maximum 0.511& 2.248& 0.790& 0.768& 1.135&1967 &2556 $ 643.3 # 79.31 $ 59.14 & 9.514& 1.797&
Minimum 0.013& 0.000& 0.085& 0.180& 0.576& 1.007& 63.39 $ 90.14 # 11.77 $ 3.990& 1.379& 0.069&
Total 7.87& 8.14& 11.31& 12.17& 25.44& 7243 &12882 $ 6927 # 1004 $ 584.6 & 95.62& 27.18&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 78.77 & " ... Relative Uncertainty +/-10%
Ann. Median 1.512& # ... Relative Uncertainty +/-15%
Annual Total 28828 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2556 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 14/11/2025
Site 701010 Hutt River - Yerina Year 2025
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.124& 0.023& 0.077& 0.000& 0.563& 2.436& 11.82 $ 103.3 " 108.1 " 17.43 $ 4.280& [ ] 1
2 0.276& 0.033& 0.085& 0.000 0.633& 1.898& 12.33 $ 85.48 " 91.56 " 16.63 $ 3.793& [ ] 2
3 0.299& 0.065& 0.126& 0.000 0.719& 8.146& 146.0 $ 111.8 " 81.66 " 15.82 $ 3.175& [ ] 3
4 0.241& 0.102& 0.190& 0.000 0.881& 8.662& 111.7 " 154.2 " 74.48 " 15.21 $ 2.530& [ ] 4
5 0.424& 0.110& 0.137& 0.000 0.916& 7.933& 77.02 " 150.6 " 92.40 " 17.43 $ 3.095& [ ] 5
6 0.339& 0.110& 0.119& 0.000 0.913& 5.422& 68.68 " 102.9 " 377.7 " 21.91 $ 4.617& [ ] 6
7 0.288& 0.101& 0.125& 0.001& 0.875& 3.236& 71.46 " 81.71 " 696.8 " 21.62 $ 9.697& [ ] 7
8 0.181& 0.225& 0.162& 0.144& 0.785& 2.815& 95.16 " 67.46 " 418.9 " 19.02 $ 9.344& [ ] 8
9 0.168& 0.343& 0.220& 0.352& 0.656& 2.750& 86.54 " 60.40 " 279.6 " 16.56 $ 6.170& [ ] 9
10 0.231& 0.342& 0.199& 0.414& 0.703& 2.515& 73.82 " 64.62 " 185.5 " 14.80 $ 4.083& [ ] 10
11 0.480& 0.265& 0.221& 0.442& 0.791& 2.534& 53.26 $ 78.19 " 120.9 " 13.26 $ 3.345& [ ] 11
12 0.962& 0.082& 0.299& 0.498& 0.916& 2.572& 45.29 $ 74.39 " 91.53 " 12.16 $ 2.705& [ ] 12
13 0.759& 0.042& 0.389& 0.691& 0.909& 2.615& 52.38 " 67.13 " 76.76 " 11.54 $ [ ] [ ] 13
14 0.232& 0.024& 0.481& 0.861& 0.777& 2.665& 62.53 " 77.53 " 74.19 " 11.14 $ [ ] [ ] 14
15 0.191& 0.008& 0.421& 0.896& 0.749& 2.810& 74.85 " 74.73 " 76.30 " 10.85 $ [ ] [ ] 15
16 0.172& 0.001& 0.336& 1.020& 0.647& 2.934& 72.15 " 66.43 " 77.52 " 9.962$ [ ] [ ] 16
17 0.142& 0.000& 0.254& 0.996& 0.653& 2.932& 63.51 " 59.01 " 73.37 " 8.994& [ ] [ ] 17
18 0.147& 0.000 0.172& 1.018& 0.770& 22.99 & 49.62 $ 49.96 $ 65.33 " 8.179& [ ] [ ] 18
19 0.273& 0.000 0.093& 0.972& 0.831& 21.72 $ 41.48 $ 44.60 $ 57.87 " 8.086& [ ] [ ] 19
20 0.257& 0.000 0.086& 0.964& 0.895& 21.91 $ 37.62 $ 361.8 $ 51.74 " 8.055& [ ] [ ] 20
21 0.145& 0.000 0.115& 0.910& 0.959& 96.82 " 48.32 $ 888.4 " 45.76 $ 7.435& [ ] [ ] 21
22 0.097& 0.000 0.129& 0.871& 1.008& 56.23 $ 53.29 " 492.2 " 38.46 $ 6.977& [ ] [ ] 22
23 0.039& 0.000 0.117& 0.764& 0.897& 41.12 $ 59.15 " 177.7 " 32.32 $ 6.887& [ ] [ ] 23
24 0.009& 0.000 0.137& 0.814& 1.236& 29.63 $ 116.6 " 198.7 " 27.42 $ 6.856& [ ] [ ] 24
25 0.002& 0.005& 0.135& 0.860& 1.280& 24.58 $ 170.9 " 793.6 " 23.92 $ 6.451& [ ] [ ] 25
26 0.001& 0.042& 0.168& 0.735& 1.477& 23.86 $ 213.1 "1511 # 21.55 $ 6.098& [ ] [ ] 26
27 0.018& 0.067& 0.116& 0.701& 1.559& 20.09 $ 148.8 "1489 # 20.12 $ 5.519& [ ] [ ] 27
28 0.087& 0.068& 0.050& 0.627& 1.483& 17.05 $ 259.8 " 534.2 " 19.53 $ 4.789& [ ] [ ] 28
29 0.079& 0.026& 0.590& 1.353& 14.45 $ 500.2 " 296.8 " 18.93 $ 4.424& [ ] [ ] 29
30 0.058& 0.010& 0.648& 2.063& 12.50 $ 372.2 " 211.5 " 18.16 $ 4.559& [ ] [ ] 30
31 0.041& 0.002& 3.208& 151.9 " 139.7 " 4.294& [ ] 31
Mean 0.218& 0.073& 0.168& 0.560& 1.036& 15.59 & 109.7 $ 279.6 $ 114.6 $ 11.06 & 4.736& [ ]
Median 0.172& 0.038& 0.135& 0.669& 0.895& 8.040& 72.15 $ 103.3 $ 74.34 $ 9.962& 3.938& [ ]
Maximum 0.962& 0.343& 0.481& 1.020& 3.208& 96.82 & 500.2 $1511 $ 696.8 $ 21.91 & 9.697& [ ]
Minimum 0.001& 0.000& 0.002& 0.000& 0.563& 1.898& 11.82 $ 44.60 $ 18.16 $ 4.294& 2.530& [ ]
Total 6.762& 2.058& 5.194& 16.79 & 32.11 & 467.8 &3401 $8669 $3438 $ 343.0 & 56.83 & [ ]
Missing Days 0 0 0 0 0 0 0 0 0 0 18 31
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 52.02 & " ... Relative Uncertainty +/-10%
Ann. Median 2.685& # ... Relative Uncertainty +/-15%
Annual Total 16439 & $ ... Relative Uncertainty +/-20%
Missing Days 49 & ... Relative Uncertainty +/-30%
[ ... Not Available
Maximum Minimum
Daily 1511 & 0.000&