|
| Rank | Year | | Annual Flow | 3-Year Mean |
| 1961 | -283996800000 | 723.9 |
|
| 1962 | -252460800000 | 1752.3 |
|
| 1963 | -220924800000 | 2022.7 |
1499.7 |
| 1964 | -189388800000 | 1118.1 |
1631.1 |
| 1965 | -157766400000 | 2719.0 |
1953.3 |
| 1966 | -126230400000 | 1295.0 |
1710.7 |
| 1967 | -94694400000 | 3086.6 |
2366.9 |
| 1968 | -63158400000 | 992.5 |
1791.4 |
| 1969 | -31536000000 | 3822.7 |
2633.9 |
| 1970 | 0000 | 1948.7 |
2254.6 |
| 1971 | 31536000000 | 1655.1 |
2475.5 |
| 1972 | 63072000000 | 1184.3 |
1596.0 |
| 1973 | 94694400000 | 2011.1 |
1616.8 |
| 1974 | 126230400000 | 2209.8 |
1801.7 |
| 1975 | 157766400000 | 2072.9 |
2097.9 |
| 1976 | 189302400000 | 648.3 |
1643.7 |
| 1977 | 220924800000 | 386.0 |
1035.7 |
| 1978 | 252460800000 | 2844.9 |
1293.1 |
| 1979 | 283996800000 | 1880.1 |
1703.7 |
| 1980 | 315532800000 | 2923.3 |
2549.4 |
| 1981 | 347155200000 | 946.5 |
1916.6 |
| 1982 | 378691200000 | 3620.1 |
2496.6 |
| 1983 | 410227200000 | 4632.2 |
3066.3 |
| 1984 | 441763200000 | 2556.3 |
3602.9 |
| 1985 | 473385600000 | 1233.2 |
2807.2 |
| 1986 | 504921600000 | 2995.4 |
2261.7 |
| 1987 | 536457600000 | 656.1 |
1628.3 |
| 1988 | 567993600000 | 820.4 |
1490.6 |
| 1989 | 599616000000 | 1312.0 |
929.5 |
| 1990 | 631152000000 | 845.0 |
992.5 |
| 1991 | 662688000000 | 1104.0 |
1087.0 |
| 1992 | 694224000000 | 832.2 |
927.1 |
| 1993 | 725846400000 | 2555.7 |
1497.3 |
| 1994 | 757382400000 | 832.3 |
1406.7 |
| 1995 | 788918400000 | 3877.9 |
2422.0 |
| 1996 | 820454400000 | 2307.9 |
2339.4 |
| 1997 | 852076800000 | 3168.4 |
3118.1 |
| 1998 | 883612800000 | 3308.0 |
2928.1 |
| 1999 | 915148800000 | 2093.9 |
2856.8 |
| 2000 | 946684800000 | 1948.9 |
2450.3 |
| 2001 | 978307200000 | 1096.1 |
1713.0 |
| 2002 | 1009843200000 | 1429.6 |
1491.5 |
| 2003 | 1041379200000 | 1632.3 |
1386.0 |
| 2004 | 1072915200000 | 1304.2 |
1455.4 |
| 2005 | 1104537600000 | 2973.0 |
1969.8 |
| 2006 | 1136073600000 | 3303.9 |
2527.0 |
| 2007 | 1167609600000 | 850.2 |
2375.7 |
| 2008 | 1199145600000 | 1125.2 |
1759.8 |
| 2009 | 1230768000000 | 1660.3 |
1211.9 |
| 2010 | 1262304000000 | 1886.5 |
1557.3 |
| 2011 | 1293840000000 | 3527.7 |
2358.2 |
| 2012 | 1325376000000 | 875.5 |
2096.6 |
| 2013 | 1356998400000 | 1084.0 |
1829.0 |
| 2014 | 1388534400000 | 600.5 |
853.3 |
| 2015 | 1420070400000 | 600.2 |
761.5 |
| 2016 | 1451606400000 | 1817.1 |
1005.9 |
| 2017 | 1483228800000 | 4862.2 |
2426.5 |
| 2018 | 1514764800000 | 1673.4 |
2784.2 |
| 2019 | 1546300800000 | 2983.1 |
3172.9 |
| 2020 | 1577836800000 | 974.1 |
1876.9 |
| 2021 | 1609459200000 | 626.1 |
1527.8 |
| 2022 | 1640995200000 | 1078.5 |
892.9 |
| 2023 | 1672531200000 | 4161.9 |
1955.5 |
| 2024 | 1704067200000 | 1725.7 |
2322.0 |
| 2025 | 1735689600000 | 1356.2 |
2414.6 |
| 2026 | 1767225600000 |
1820.0 |
1633.9 |
| Rank | Year | | Seasonal Flow | 3-Year Mean |
| 1961 | -283996800000 | 518.0 |
|
| 1962 | -252460800000 | 1302.6 |
|
| 1963 | -220924800000 | 1412.3 |
1077.6 |
| 1964 | -189388800000 | 746.9 |
1153.9 |
| 1965 | -157766400000 | 1466.6 |
1208.6 |
| 1966 | -126230400000 | 750.9 |
988.2 |
| 1967 | -94694400000 | 2145.9 |
1454.5 |
| 1968 | -63158400000 | 623.0 |
1173.3 |
| 1969 | -31536000000 | 2465.8 |
1744.9 |
| 1970 | 0000 | 992.3 |
1360.3 |
| 1971 | 31536000000 | 1057.4 |
1505.2 |
| 1972 | 63072000000 | 733.3 |
927.7 |
| 1973 | 94694400000 | 1350.4 |
1047.0 |
| 1974 | 126230400000 | 1369.2 |
1151.0 |
| 1975 | 157766400000 | 1553.1 |
1424.2 |
| 1976 | 189302400000 | 341.6 |
1088.0 |
| 1977 | 220924800000 | 288.9 |
727.9 |
| 1978 | 252460800000 | 1903.5 |
844.7 |
| 1979 | 283996800000 | 1237.1 |
1143.2 |
| 1980 | 315532800000 | 1629.0 |
1589.8 |
| 1981 | 347155200000 | 678.7 |
1181.6 |
| 1982 | 378691200000 | 2150.1 |
1485.9 |
| 1983 | 410227200000 | 2650.5 |
1826.5 |
| 1984 | 441763200000 | 1224.6 |
2008.4 |
| 1985 | 473385600000 | 801.8 |
1559.0 |
| 1986 | 504921600000 | 1510.1 |
1178.8 |
| 1987 | 536457600000 | 474.8 |
928.9 |
| 1988 | 567993600000 | 492.8 |
825.9 |
| 1989 | 599616000000 | 859.3 |
609.0 |
| 1990 | 631152000000 | 522.1 |
624.7 |
| 1991 | 662688000000 | 880.8 |
754.1 |
| 1992 | 694224000000 | 522.3 |
641.8 |
| 1993 | 725846400000 | 1667.0 |
1023.4 |
| 1994 | 757382400000 | 598.8 |
929.4 |
| 1995 | 788918400000 | 2500.1 |
1588.6 |
| 1996 | 820454400000 | 1424.4 |
1507.8 |
| 1997 | 852076800000 | 1224.5 |
1716.3 |
| 1998 | 883612800000 | 2210.9 |
1619.9 |
| 1999 | 915148800000 | 1347.1 |
1594.2 |
| 2000 | 946684800000 | 1216.8 |
1591.6 |
| 2001 | 978307200000 | 738.3 |
1100.7 |
| 2002 | 1009843200000 | 939.6 |
964.9 |
| 2003 | 1041379200000 | 1169.4 |
949.1 |
| 2004 | 1072915200000 | 756.5 |
955.2 |
| 2005 | 1104537600000 | 1983.4 |
1303.1 |
| 2006 | 1136073600000 | 2300.1 |
1680.0 |
| 2007 | 1167609600000 | 506.8 |
1596.8 |
| 2008 | 1199145600000 | 783.3 |
1196.7 |
| 2009 | 1230768000000 | 1100.1 |
796.8 |
| 2010 | 1262304000000 | 1408.0 |
1097.2 |
| 2011 | 1293840000000 | 2172.5 |
1560.2 |
| 2012 | 1325376000000 | 609.4 |
1396.6 |
| 2013 | 1356998400000 | 594.1 |
1125.3 |
| 2014 | 1388534400000 | 423.4 |
542.3 |
| 2015 | 1420070400000 | 307.0 |
441.5 |
| 2016 | 1451606400000 | 1020.1 |
583.5 |
| 2017 | 1483228800000 | 2454.1 |
1260.4 |
| 2018 | 1514764800000 | 1012.2 |
1495.5 |
| 2019 | 1546300800000 | 1990.2 |
1818.8 |
| 2020 | 1577836800000 | 686.3 |
1229.6 |
| 2021 | 1609459200000 | 452.8 |
1043.1 |
| 2022 | 1640995200000 | 539.2 |
559.4 |
| 2023 | 1672531200000 | 2559.6 |
1183.9 |
| 2024 | 1704067200000 | 1146.4 |
1415.0 |
| 2025 | 1735689600000 | 847.2 |
1517.7 |
| 2026 | 1767225600000 |
1020.2 |
1004.6 |
|