|
| Rank | Year | | Annual Flow | 3-Year Mean |
| 1961 | -283996800000 | 2091.5 |
|
| 1962 | -252460800000 | 5582.8 |
|
| 1963 | -220924800000 | 6233.1 |
4635.8 |
| 1964 | -189388800000 | 3099.3 |
4971.7 |
| 1965 | -157766400000 | 8045.0 |
5792.5 |
| 1966 | -126230400000 | 3974.3 |
5039.5 |
| 1967 | -94694400000 | 9912.2 |
7310.5 |
| 1968 | -63158400000 | 2937.7 |
5608.1 |
| 1969 | -31536000000 | 12283.1 |
8377.6 |
| 1970 | 0000 | 5570.9 |
6930.6 |
| 1971 | 31536000000 | 4870.7 |
7574.9 |
| 1972 | 63072000000 | 3559.7 |
4667.1 |
| 1973 | 94694400000 | 6514.4 |
4981.6 |
| 1974 | 126230400000 | 7145.4 |
5739.9 |
| 1975 | 157766400000 | 6419.0 |
6692.9 |
| 1976 | 189302400000 | 1886.3 |
5150.2 |
| 1977 | 220924800000 | 1023.4 |
3109.5 |
| 1978 | 252460800000 | 10734.0 |
4547.9 |
| 1979 | 283996800000 | 5843.2 |
5866.9 |
| 1980 | 315532800000 | 9255.3 |
8610.8 |
| 1981 | 347155200000 | 3045.0 |
6047.8 |
| 1982 | 378691200000 | 11158.4 |
7819.6 |
| 1983 | 410227200000 | 14859.0 |
9687.5 |
| 1984 | 441763200000 | 7354.9 |
11124.1 |
| 1985 | 473385600000 | 3609.5 |
8607.8 |
| 1986 | 504921600000 | 9445.6 |
6803.3 |
| 1987 | 536457600000 | 2051.6 |
5035.6 |
| 1988 | 567993600000 | 2382.6 |
4626.6 |
| 1989 | 599616000000 | 3432.2 |
2622.1 |
| 1990 | 631152000000 | 2412.8 |
2742.5 |
| 1991 | 662688000000 | 3155.2 |
3000.1 |
| 1992 | 694224000000 | 2505.2 |
2691.1 |
| 1993 | 725846400000 | 8008.0 |
4556.1 |
| 1994 | 757382400000 | 2418.0 |
4310.4 |
| 1995 | 788918400000 | 12145.7 |
7523.9 |
| 1996 | 820454400000 | 7143.2 |
7235.6 |
| 1997 | 852076800000 | 9604.8 |
9631.3 |
| 1998 | 883612800000 | 10359.6 |
9035.9 |
| 1999 | 915148800000 | 5930.2 |
8631.5 |
| 2000 | 946684800000 | 5827.7 |
7372.5 |
| 2001 | 978307200000 | 3246.8 |
5001.5 |
| 2002 | 1009843200000 | 4079.9 |
4384.8 |
| 2003 | 1041379200000 | 4853.0 |
4059.9 |
| 2004 | 1072915200000 | 3768.0 |
4233.6 |
| 2005 | 1104537600000 | 9176.6 |
5932.5 |
| 2006 | 1136073600000 | 10406.5 |
7783.7 |
| 2007 | 1167609600000 | 2456.0 |
7346.3 |
| 2008 | 1199145600000 | 3487.5 |
5450.0 |
| 2009 | 1230768000000 | 4925.1 |
3622.8 |
| 2010 | 1262304000000 | 6047.8 |
4820.1 |
| 2011 | 1293840000000 | 10999.4 |
7324.1 |
| 2012 | 1325376000000 | 2741.7 |
6596.3 |
| 2013 | 1356998400000 | 3029.4 |
5590.2 |
| 2014 | 1388534400000 | 1706.1 |
2492.4 |
| 2015 | 1420070400000 | 1420.8 |
2052.1 |
| 2016 | 1451606400000 | 5029.2 |
2718.7 |
| 2017 | 1483228800000 | 14836.3 |
7095.4 |
| 2018 | 1514764800000 | 4715.5 |
8193.7 |
| 2019 | 1546300800000 | 9203.5 |
9585.1 |
| 2020 | 1577836800000 | 3008.1 |
5642.3 |
| 2021 | 1609459200000 | 1777.0 |
4662.9 |
| 2022 | 1640995200000 | 3286.0 |
2690.3 |
| 2023 | 1672531200000 | 13702.1 |
6255.0 |
| 2024 | 1704067200000 | 5447.8 |
7478.6 |
| 2025 | 1735689600000 | 4151.1 |
7767.0 |
| 2026 | 1767225600000 |
6711.7 |
5436.9 |
| Rank | Year | | Seasonal Flow | 3-Year Mean |
| 1961 | -283996800000 | 1454.9 |
|
| 1962 | -252460800000 | 4181.9 |
|
| 1963 | -220924800000 | 4343.3 |
3326.7 |
| 1964 | -189388800000 | 2095.3 |
3540.1 |
| 1965 | -157766400000 | 4491.7 |
3643.4 |
| 1966 | -126230400000 | 2395.5 |
2994.1 |
| 1967 | -94694400000 | 7056.7 |
4647.9 |
| 1968 | -63158400000 | 1811.5 |
3754.6 |
| 1969 | -31536000000 | 8168.7 |
5679.0 |
| 1970 | 0000 | 2939.0 |
4306.4 |
| 1971 | 31536000000 | 3191.9 |
4766.5 |
| 1972 | 63072000000 | 2181.8 |
2770.9 |
| 1973 | 94694400000 | 4547.8 |
3307.1 |
| 1974 | 126230400000 | 4526.0 |
3751.9 |
| 1975 | 157766400000 | 4879.0 |
4650.9 |
| 1976 | 189302400000 | 994.1 |
3466.4 |
| 1977 | 220924800000 | 753.8 |
2209.0 |
| 1978 | 252460800000 | 7365.7 |
3037.9 |
| 1979 | 283996800000 | 3893.7 |
4004.4 |
| 1980 | 315532800000 | 5303.8 |
5521.1 |
| 1981 | 347155200000 | 2188.1 |
3795.2 |
| 1982 | 378691200000 | 6926.1 |
4806.0 |
| 1983 | 410227200000 | 8672.7 |
5929.0 |
| 1984 | 441763200000 | 3520.4 |
6373.1 |
| 1985 | 473385600000 | 2402.6 |
4865.2 |
| 1986 | 504921600000 | 4905.6 |
3609.5 |
| 1987 | 536457600000 | 1459.6 |
2922.6 |
| 1988 | 567993600000 | 1478.5 |
2614.6 |
| 1989 | 599616000000 | 2294.3 |
1744.2 |
| 1990 | 631152000000 | 1503.5 |
1758.8 |
| 1991 | 662688000000 | 2449.0 |
2082.3 |
| 1992 | 694224000000 | 1576.7 |
1843.1 |
| 1993 | 725846400000 | 5313.8 |
3113.2 |
| 1994 | 757382400000 | 1664.1 |
2851.6 |
| 1995 | 788918400000 | 7841.7 |
4939.9 |
| 1996 | 820454400000 | 4416.8 |
4640.9 |
| 1997 | 852076800000 | 3738.0 |
5332.2 |
| 1998 | 883612800000 | 7038.7 |
5064.5 |
| 1999 | 915148800000 | 3838.6 |
4871.8 |
| 2000 | 946684800000 | 3733.2 |
4870.2 |
| 2001 | 978307200000 | 2255.4 |
3275.8 |
| 2002 | 1009843200000 | 2757.6 |
2915.4 |
| 2003 | 1041379200000 | 3479.3 |
2830.8 |
| 2004 | 1072915200000 | 2235.1 |
2824.0 |
| 2005 | 1104537600000 | 6272.7 |
3995.7 |
| 2006 | 1136073600000 | 7375.8 |
5294.5 |
| 2007 | 1167609600000 | 1443.3 |
5030.6 |
| 2008 | 1199145600000 | 2460.8 |
3760.0 |
| 2009 | 1230768000000 | 3344.1 |
2416.1 |
| 2010 | 1262304000000 | 4498.5 |
3434.5 |
| 2011 | 1293840000000 | 6911.6 |
4918.1 |
| 2012 | 1325376000000 | 1854.4 |
4421.5 |
| 2013 | 1356998400000 | 1665.3 |
3477.1 |
| 2014 | 1388534400000 | 1204.6 |
1574.7 |
| 2015 | 1420070400000 | 725.1 |
1198.3 |
| 2016 | 1451606400000 | 2959.1 |
1629.6 |
| 2017 | 1483228800000 | 7785.4 |
3823.2 |
| 2018 | 1514764800000 | 2968.4 |
4571.0 |
| 2019 | 1546300800000 | 6297.0 |
5683.6 |
| 2020 | 1577836800000 | 2148.4 |
3804.6 |
| 2021 | 1609459200000 | 1239.9 |
3228.4 |
| 2022 | 1640995200000 | 1621.8 |
1670.0 |
| 2023 | 1672531200000 | 8529.8 |
3797.2 |
| 2024 | 1704067200000 | 3786.7 |
4646.1 |
| 2025 | 1735689600000 | 2625.9 |
4980.8 |
| 2026 | 1767225600000 |
3855.3 |
3422.6 |
|