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Department of Water and Environmental Regulation HYMONTH V128 Output 14/05/2026
Site 606185 Shannon River - Dog Pool Site 606185
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
1964 94.4& 9.4& 6.6& 244.9& 407.9& 5140 "56397 "39158 "10307 "18477 " 2866 " 2463 " 11298& 135570& 0 1964
1965 310.3" 159.4" 747.2" 608.0" 3237 "13807 "30873 "26079 "22265 "16944 "20036 " 4529 " 11633" 139596" 0 1965
1966 718.7" 236.3" 249.9" 365.0" 916.0" 7139 "21152 "12430 "18783 " 8489 " 2048 " 667.2" 6099 " 73194" 0 1966
1967 290.8" 42.1" 77.0" 274.6" 2473 "16386 "50248 "31073 "14092 " 4828 " 1352 " 887.1" 10169 " 122024" 0 1967
1968 477.8" 124.2" 272.3" 1075 " 1527 " 7217 "17438 "31489 "17606 " 9907 " 2897 " 633.7" 7555 " 90664" 0 1968
1969 161.8" 48.1" 49.6" 513.7" 690.9" 3293 " 6962 " 6819 " 4235 " 1123 " 2138 " 210.4" 2187 " 26244" 0 1969
1970 37.1" 63.1" 20.7# 450.1# 1503 "31058 "28851 "21988 "14197 "14678 " 2973 " 577.3" 9700 # 116396# 0 1970
1971 281.8" 460.3" 215.1" 504.1" 3423 " 5700 " 7845 "13878 "21713 "25800 " 9413 " 1732 " 7580 " 90966" 0 1971
1972 474.2" 84.7" 59.9" 322.8" 428.6" 1061 # 7264 #22612 " 9261 " 6624 " 684.8" 137.1" 4085 # 49015# 0 1972
1973 41.1" 12.6" 2.0" 99.4# 1015 " 8517 "32293 "31758 "23683 "12105 " 6669 " 780.0" 9748 # 116975# 0 1973
1974 141.9" 118.5" 105.0" 269.3" 1380 " 3590 "36999 "26556 " 4662 " 4468 " 2910 " 438.5" 6803 " 81639" 0 1974
1975 96.2" 13.1" 26.1# 198.0" 1014 " 4984 "23618 "21957 # 9388 " 6110 " 2079 " 326.2" 5817 # 69810# 0 1975
1976 448.1" 44.3# 60.9# 381.7" 1335 " 3970 " 7864 "12628 $ 8040 " 6609 " 4312 " 1025 " 3893 $ 46716$ 0 1976
1977 161.3" 28.8" 7.7" 13.8" 1417 " 3598 " 6576 "24649 ! 6424 "10785 " 3140 " 555.6" 4780 ! 57356! 0 1977
1978 122.3" 21.0" 8.4" 25.5" 1696 "14059 "47389 "10739 "16309 " 9689 " 1575 " 684.2" 8526 " 102316" 0 1978
1979 185.5" 55.6" 129.5" 263.6" 917.2" 2446 "11911 " 9250 " 7905 "11597 " 3339 " 513.2" 4043 " 48513" 0 1979
1980 95.0" 25.6" 19.5" 437.4" 691.4" 2801 "19367 "18783 " 9563 "12680 " 2412 " 842.6" 5643 " 67717" 0 1980
1981 139.6" 16.9" 41.9" 353.4" 1485 "11094 "25025 "48532 "12161 " 6817 " 2694 " 1041 " 9117 " 109400" 0 1981
1982 522.7" 209.3" 123.5" 106.9" 594.9" 7360 "15830 " 9924 " 4850 " 2050 " 609.8" 199.8" 3532 " 42382" 0 1982
1983 29.2" 6.8" 1.1" 7.9" 46.1" 869.9" 6036 "13562 "24006 " 3021 " 972.1" 156.2" 4060 " 48714" 0 1983
1984 36.0" 0.8" 0.0" 0.1" 515.0" 4161 "14680 "28698 "19604 " 2822 " 4129 " 821.9" 6289 " 75467" 0 1984
1985 229.4" 25.9" 0.9" 15.9" 116.4" 969.7" 2990 "20218 " 9549 " 2759 " 1210 " 334.6" 3202 " 38418" 0 1985
1986 51.1" 7.2" 17.9" 7.9" 129.5" 155.8" 3615 " 9603 " 6394 " 4933 " 717.9" 136.9" 2147 " 25770" 0 1986
1987 6.4" 0.0" 0.0" 0.8" 195.7" 337.4" 2518 " 4923 " 2064 " 1157 " 728.2" 189.5" 1010 " 12119" 0 1987
1988 22.5" 0.9" 0.0" 0.0" 2467 "29234 "22488 "20468 "18019 "18941 " 3346 " 406.4" 9616 " 115393" 0 1988
1989 398.4" 129.1" 101.5" 181.0" 439.0" 1303 " 9464 "14807 "10137 "22302 " 1996 " 229.6" 5124 " 61486" 0 1989
1990 93.6" 149.3" 49.2" 406.2" 793.0" 2417 "19316 "18098 " 7218 " 5818 " 2905 " 275.0" 4795 " 57538" 0 1990
1991 63.2" 5.1" 0.7" 0.8" 174.5" 6454 "29494 "28448 "19961 " 3642 " 3328 " 298.0" 7656 " 91870" 0 1991
1992 39.9" 11.4" 3.4" 0.1" 141.2" 956.9" 6039 "18115 "19657 " 4035 " 3894 " 769.6" 4472 " 53663" 0 1992
1993 109.7" 24.9" 44.2" 104.6" 558.7" 1013 " 9580 "19900 "16276 " 4548 ! 894.0! 234.2! 4441 ! 53288! 0 1993
1994 46.8" 19.0" 2.9" 0.8" 502.7" 3996 "10474 " 7294 " 8215 " 2804 " 353.7" 84.3" 2816 " 33793" 0 1994
1995 5.7" 0.4" 0.0" 0.0" 154.2" 2853 "18480 "14084 "10190 " 2538 " 3487 " 687.9" 4373 " 52482" 0 1995
1996 118.5" 8.5" 1.7" 0.7" 20.5" 760.8"22636 "32961 "32664 "14664 " 2077 " 1984 " 8991 " 107896" 0 1996
1997 124.5" 47.6" 46.8" 14.6" 280.3" 3370 " 7713 "16514 "18415 " 2568 " 824.1" 214.9" 4178 " 50133" 0 1997
1998 22.0" 5.1" 40.6" 54.9" 147.3" 1213 " 4391 "11476 "24734 " 6543 " 708.6" 305.8" 4137 " 49641" 0 1998
------------------ 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%
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 14/05/2026
Site 606185 Shannon River - Dog Pool Site 606185
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
1999 30.64 # 6.949# 1.119" 0.012" [0.431] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [7.830] [39.15 ] 234 1999
2000 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2000
2001 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2001
2002 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2002
2003 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2003
2004 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2004
2005 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2005
2006 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2006
2007 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2007
2008 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2008
2009 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2009
2010 [ ] [ ] [ ] [ ] [ ] [ ] [1593 ]1697 $1905 $ 365.4 # 136.0 # 48.14$ [957.4 ][5744 ] 187 2010
2011 8.7$ 15.6$ 0.4$ 0.6$ 55.0$ 206.3# 2996 $11665 $ 4354 $ 4418 $ 3692 $ 212.7# 2302 $ 27624$ 0 2011
2012 33.8$ 2.4$ 0.0$ 0.0$ 21.1$ 603.4$ 1324 $ 3837 $ 6092 $ 1732 $ 775.5$ 835.5$ 1271 $ 15257$ 0 2012
2013 24.9$ 1.3$ 0.0$ 0.3$ 98.9$ 583.1$ 2959 $17361 $33967 & 6223 $ 515.6$ 129.2$ 5155 & 61863& 0 2013
2014 21.9& 2.2& 0.0$ 0.0& 20.3& 133.2& 8205 & 4311 $ 8304 $ 2032 $ 495.1$ 98.6$ 1969 & 23624& 0 2014
2015 9.9$ 0.4& 12.9& 94.5& 213.1& 2043 & 5765 $11952 $ 6302 $ 1229 $ 412.4$ 207.5$ 2353 & 28242& 0 2015
2016 263.0$ 32.6$ 16.3& 55.2& 913.6$ 3498 $15043 $29514 $17414 $ 8911 $ 1101 $ 248.1$ 6417 & 77009& 0 2016
2017 61.1$ 31.6$ 47.1$ 32.4$ 113.3$ 141.6# 1982 $10257 $ 4468 $ 2268 $ 340.4# 131.5& 1656 & 19873& 0 2017
2018 23.4& 5.8& 0.8$ 4.7& 52.1$ 259.8$ 6004 $18506 $ 5915 $ 1759 $ 339.2# 300.9$ 2764 & 33170& 0 2018
2019 25.5$ 11.8$ 4.7$ 31.7$ 74.1$ 773.0$ 4773 $ 4863 $ 8806 $ 922.9$ 946.1$ 41.0$ 1773 $ 21272$ 0 2019
2020 11.1$ 1.2$ 0.4$ 2.0$ 42.5$ 168.7# 2444 $10127 $11324 $ 1888 $ 968.8$ 200.2$ 2265 $ 27177$ 0 2020
2021 13.1$ 24.7$ 7.6$ 26.4$ 109.9$ 983.4$16709 $22397 $11654 $ 8546 $ 1520 $ 202.8# 5183 $ 62194$ 0 2021
2022 24.9$ 8.8$ 2.4$ 50.4$ 95.2$ 857.5$ 2576 $21172 $ 3567 $ 2253 $ 2010 $ 221.2# 2736 $ 32838$ 0 2022
2023 19.2& 1.2& 0.2& 110.7& 123.0# 7462 $16278 $13757 $11822 $ 1765 $ 253.0# 34.6$ 4302 & 51626& 0 2023
2024 18.3& 1.7& 0.0$ 0.0$ 0.3$ 112.2$ 1088 $[26708 ]10551 $ 3772 & 1196 $ 170.9$ [3635 ] [43619] 2 2024
2025 21.5$ 5.0$ 0.5$ 21.3$ 67.2$ 952.3$ 9360 &23550 $26873 & 3777 $ 2807 $ 388.7$ 5652 & 67823& 0 2025
2026 64.44 $ 36.35 & [4.341] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [35.05 ][105.1 ] 302 2026
Mean 132.2& 46.3& [50.6] 151.6& [683.0] 4641 &[14567 ][18258 ]12860 & 6760 ! 2416 ! 565.5! [4905 ][58741 ] Mean
Med. 62.1& 16.2& [7.7] 32.4& [407.9] 2624 &[9464 ][18098 ]10307 & 4548 ! 1996 ! 300.9! Med.
Max 718.7& 460.3& [747.2] 1075 &[3423 ]31058 &[56397 ][48532 ]33967 &25800 !20036 ! 4529 ! [11633 ][139596 ] Max
Min 5.7& 0.0& [0.0] 0.0& [0.3] 112.2&[1088 ][1697 ] 1905 & 365.4! 136.0! 34.6! [7.8] [39.2] Min
Total 6873& 2405& [2633] 7733& [34834] 232063&[742914][931142] 655864& 344737! 123225! 28842! [259948][3113264] 4378 Total
OK 100% 100% 98% 100% 99% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK
Cnt 52 52 52 51 51 50 51 51 51 51 51 51 53 53 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%
[ ... Not Available