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Department of Water and Environmental Regulation HYMONTH V128 Output 22/01/2023
Site 616082 Bayswater Main Drain - Slade St Bayswater Site 616082
VarFrom 10.00 Stage - SL in Metres
VarTo 151.00 Total Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Mean Annual Missing
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr
1988 303.0 ! 163.3 " 245.0 " 311.5 ! 406.4 !1198 !1269 !1434 !1121 !1937 !1082 ![508.0 ] [831.6 ][9979 ] 1 1988
1989 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1989
1990 568.5 ! 543.3 ! 397.0 ! 287.6 ! 370.9 ! 671.7 "1354 "1376 " 784.7 ! 504.7 ! 333.2 ! 294.3 ! 623.9 ! 7486 ! 0 1990
1991 248.2 ! 186.1 ! 176.4 ! 143.3 ! 161.9 !1118 !1936 !1880 "1180 "1023 ! 998.1 " 774.7 ! 818.8 ! 9826 ! 0 1991
1992 527.8 ! 841.5 !1140 ! 818.3 "1143 "1440 "1764 !2203 !1770 !1126 " 971.1 "[201.1 ] [1162 ][13945 ] 21 1992
1993 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1993
1994 [31.04] 124.5 ! 110.0 ! 69.37! 278.5 ! 566.8 " 640.4 !1324 ! 918.7 ! 635.0 ! 466.0 ! 253.0 ! [451.5 ][5417 ] 26 1994
1995 137.5 " 135.6 " 176.6 " 146.6 " 403.8 " 597.8 "1290 "1093 " 967.9 " 995.8 " 577.6 " 301.7 " 568.7 " 6824 " 0 1995
1996 138.0 " 89.19" 92.56" 79.81" 140.1 " 675.7 "1177 "1372 "1310 "1018 "1065 ! 542.7 " 641.6 ! 7699 ! 0 1996
1997 417.3 " 336.3 " 508.2 " 229.0 " 282.4 " 630.8 " 768.6 "1221 "1612 "1340 " 488.7 " 361.1 " 682.9 " 8195 " 0 1997
1998 163.1 " 91.46" 201.9 " 163.9 " 206.3 " 392.7 " 498.7 " 703.4 " 737.7 " 688.1 " 600.1 " 292.7 " 395.0 " 4740 " 0 1998
1999 222.4 " 96.65" 120.4 " 114.9 " 255.5 " 471.6 " 846.2 "1647 "1802 "1293 " 881.8 " 453.1 " 683.7 " 8205 " 0 1999
2000 672.4 " 323.4 " 261.5 " 214.3 " 213.5 " 431.1 "1718 "1586 "1590 "1467 "1138 " 367.1 " 831.9 " 9983 " 0 2000
2001 118.4 " 85.96" 65.46" 157.4 " 324.4 " 257.7 " 663.4 " 872.1 " 801.7 " 791.5 " 512.0 " 310.0 " 413.4 " 4960 " 0 2001
2002 254.5 " 168.4 " 189.9 " 438.6 $ 364.4 $ 519.1 " 645.2 " 699.2 " 824.5 " 615.2 " 282.4 " 126.5 # 427.3 $ 5128 $ 0 2002
2003 143.7 " 128.2 " 183.7 " 120.5 " 210.4 " 541.6 "1093 "1460 "1397 "1199 " 803.4 " 401.5 " 640.1 " 7682 " 0 2003
2004 228.1 " 109.9 " 99.70" 125.9 " 374.3 " 577.2 " 622.0 "1124 "1014 " 780.8 " 491.2 " 226.5 " 481.1 " 5773 " 0 2004
2005 193.1 " 178.6 " 253.3 " 269.1 " 920.9 "2068 "1687 "2321 "2536 "2313 "1638 " 939.4 " 1277 "15318 " 0 2005
2006 382.4 " 184.9 " 142.6 " 133.3 " 168.7 " 181.7 " 301.9 " 516.2 " 479.4 " 363.1 $ 184.0 $ 134.1 " 264.4 $ 3172 $ 0 2006
2007 112.7 " 77.64" 153.6 " 224.8 " 177.2 " 175.3 " 631.3 " 945.8 "1176 "1118 " 770.8 " 428.2 " 499.4 " 5992 " 0 2007
2008 244.3 " 237.6 # 141.3 " 515.4 " 432.5 " 919.9 "1804 "1998 #1746 #1405 #1169 # 564.4 # 931.3 #11176 # 0 2008
2009 284.0 # 149.1 " 158.4 " 114.1 # 156.1 # 277.3 # 653.1 & 858.6 # 880.5 # 717.3 # 513.7 # 282.2 # 420.4 & 5045 & 0 2009
2010 238.0 # 173.9 # 213.2 & 174.1 # 326.7 # 287.2 # 500.7 # 376.5 # 304.5 # 257.6 # 193.6 # 159.7 # 267.2 & 3206 & 0 2010
2011 169.6 #102.5 # 95.37 #104.5 #148.9 #339.9 #458.2 #719.8 #561.0 #511.0 #493.7 #745.2 & 370.8 &4450 & 0 2011
2012 581.7 #294.7 #134.7 #193.3 &238.3 #464.9 #329.4 #628.6 #787.7 #677.5 #696.9 #655.7 # 473.6 &5683 & 0 2012
2013 448.9 #184.3 #167.9 $103.5 $261.8 $179.2 $301.8 $478.5 $635.0 &563.8 &451.1 &320.8 & 341.4 &4097 & 0 2013
2014 253.8 &135.8 & 87.45 & 57.32 &128.2 &105.0 &255.8 &411.7 &662.7 &867.5 &677.8 &678.7 & 360.1 &4322 & 0 2014
2015 851.6 &871.9 &479.8 &284.9 #420.4 $532.0 $444.9 $579.0 "473.1 $274.1 $267.2 $453.3 & 494.4 &5932 & 0 2015
2016 245.3 & 129.3 & 109.8 & 148.5 & 321.3 & 479.5 &1064 &1291 &1384 &1149 & 440.0 & 162.7 & 577.1 & 6925 & 0 2016
2017 92.84& 325.2 ! 159.6 & 158.4 & 224.3 & 256.8 & 739.3 &1373 &1277 &1247 &1153 & 908.8 & 659.5 ! 7914 ! 0 2017
2018 766.9 & 203.6 & 176.2 & 187.8 & 323.5 & 570.0 &1166 &1806 &1448 &1357 &1078 & 910.8 & 832.9 & 9995 & 0 2018
2019 224.7 & 100.7 & 103.5 & 158.0 & 123.3 & 570.0 & 765.4 & 712.6 & 681.0 & 563.7 & 469.4 & 250.7 & 393.6 & 4723 & 0 2019
2020 129.3 & 96.69& 125.8 & 138.9 $ 241.7 $[267.0 ] [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [166.6 ] [999.4 ] 187 2020
2021 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2021
2022 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2022
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
N ... Not Rated
[ ... Not Available Department of Water and Environmental Regulation HYMONTH V128 Output 22/01/2023
Site 616082 Bayswater Main Drain - Slade St Bayswater Site 616082
VarFrom 10.00 Stage - SL in Metres
VarTo 151.00 Total Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Mean Annual Missing
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr
2023 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2023
Mean [303.0 ] 221.6 ! 215.2 ! 206.0 ! 314.5 ![573.0 ] 912.9 !1167 !1095 ! 960.0 ! 696.2 ![433.6 ] [580.1 ][6929 ] Mean
Med. [244.3 ] 163.3 ! 159.6 ! 158.0 ! 261.8 ![519.1 ] 752.3 !1172 ! 990.7 ! 931.6 ! 588.8 ![364.1 ] Med.
Max [851.6 ] 871.9 !1140 ! 818.3 !1143 ![2068 ]1936 !2321 !2536 !2313 !1638 ![939.4 ] [1277 ][15318 ] Max
Min [31.04] 77.64! 65.46! 57.32! 123.3 ![105.0 ] 255.8 ! 376.5 ! 304.5 ! 257.6 ! 184.0 ![126.5 ] [166.6 ] [999.4 ] Min
Total[9393 ] 6870 ! 6671 ! 6387 ! 9750 ![17763 ]27388 !35011 !32862 !28800 !20886 ![13009 ] [17983 ][214791 ] 2060 Total
OK 97% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 98% 100% 100% OK
Cnt 31 31 31 31 31 31 30 30 30 30 30 30 31 31 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
N ... Not Rated
[ ... Not Available