|
| Rank | Year | | Annual Flow | 3-Year Mean |
| 1912 | -1830384000000 | 1277.7 |
|
| 1913 | -1798761600000 | 1277.2 |
|
| 1914 | -1767225600000 | 1940.0 |
1498.3 |
| 1915 | -1735689600000 | 1695.0 |
1637.4 |
| 1916 | -1704153600000 | | |
|---|
| 1917 | -1672531200000 | | |
|---|
| 1918 | -1640995200000 | | |
|---|
| 1919 | -1609459200000 | | |
|---|
| 1920 | -1577923200000 | | |
|---|
| 1921 | -1546300800000 | | |
|---|
| 1922 | -1514764800000 | | |
|---|
| 1923 | -1483228800000 | | |
|---|
| 1924 | -1451692800000 | | |
|---|
| 1925 | -1420070400000 | | |
|---|
| 1926 | -1388534400000 | | |
|---|
| 1927 | -1356998400000 | | |
|---|
| 1928 | -1325462400000 | 1092.0 |
|
| 1929 | -1293840000000 | 592.8 |
|
| 1930 | -1262304000000 | 766.7 |
817.2 |
| 1931 | -1230768000000 | 473.0 |
610.9 |
| 1932 | -1199232000000 | 1045.0 |
761.6 |
| 1933 | -1167609600000 | 1011.6 |
843.2 |
| 1934 | -1136073600000 | 579.6 |
878.7 |
| 1935 | -1104537600000 | 1134.1 |
908.4 |
| 1936 | -1073001600000 | 1143.7 |
952.5 |
| 1937 | -1041379200000 | 979.5 |
1085.8 |
| 1938 | -1009843200000 | 2234.1 |
1452.4 |
| 1939 | -978307200000 | 757.7 |
1323.8 |
| 1940 | -946771200000 | 1277.5 |
1423.1 |
| 1941 | -915148800000 | 1265.2 |
1100.1 |
| 1942 | -883612800000 | 1320.4 |
1287.7 |
| 1943 | -852076800000 | 1734.5 |
1440.0 |
| 1944 | -820540800000 | 632.9 |
1229.3 |
| 1945 | -788918400000 | 1130.3 |
1165.9 |
| 1946 | -757382400000 | 1521.7 |
1095.0 |
| 1947 | -725846400000 | 770.6 |
1140.9 |
| 1948 | -694310400000 | 1238.1 |
1176.8 |
| 1949 | -662688000000 | 957.6 |
988.7 |
| 1950 | -631152000000 | 1179.6 |
1125.1 |
| 1951 | -599616000000 | 1799.1 |
1312.1 |
| 1952 | -568080000000 | 1952.7 |
1643.8 |
| 1953 | -536457600000 | 1805.6 |
1852.5 |
| 1954 | -504921600000 | 1600.4 |
1786.2 |
| 1955 | -473385600000 | 588.2 |
1331.4 |
| 1956 | -441849600000 | 2192.5 |
1460.4 |
| 1957 | -410227200000 | 1183.0 |
1321.2 |
| 1958 | -378691200000 | 2253.1 |
1876.2 |
| 1959 | -347155200000 | 1001.1 |
1479.1 |
| 1960 | -315619200000 | 945.2 |
1399.8 |
| 1961 | -283996800000 | 1205.1 |
1050.5 |
| 1962 | -252460800000 | 957.3 |
1035.9 |
| 1963 | -220924800000 | 1712.9 |
1291.8 |
| 1964 | -189388800000 | 1123.2 |
1264.5 |
| 1965 | -157766400000 | 1863.5 |
1566.5 |
| 1966 | -126230400000 | 1108.2 |
1365.0 |
| 1967 | -94694400000 | 1257.7 |
1409.8 |
| 1968 | -63158400000 | 944.0 |
1103.3 |
| 1969 | -31536000000 | 1654.6 |
1285.4 |
| 1970 | 0000 | 1592.7 |
1397.1 |
| 1971 | 31536000000 | 2454.2 |
1900.5 |
| 1972 | 63072000000 | 1816.9 |
1954.6 |
| 1973 | 94694400000 | 915.3 |
1728.8 |
| 1974 | 126230400000 | 2717.9 |
1816.7 |
| 1975 | 157766400000 | 1517.6 |
1716.9 |
| 1976 | 189302400000 | 1000.3 |
1745.3 |
| 1977 | 220924800000 | 245.4 |
921.1 |
| 1978 | 252460800000 | 1457.0 |
900.9 |
| 1979 | 283996800000 | 763.9 |
822.1 |
| 1980 | 315532800000 | 1421.2 |
1214.0 |
| 1981 | 347155200000 | 754.8 |
980.0 |
| 1982 | 378691200000 | 2328.1 |
1501.4 |
| 1983 | 410227200000 | 2322.0 |
1801.6 |
| 1984 | 441763200000 | 1845.1 |
2165.1 |
| 1985 | 473385600000 | 1011.5 |
1726.2 |
| 1986 | 504921600000 | 1486.5 |
1447.7 |
| 1987 | 536457600000 | 761.1 |
1086.3 |
| 1988 | 567993600000 | 778.9 |
1008.8 |
| 1989 | 599616000000 | 1232.4 |
924.1 |
| 1990 | 631152000000 | 790.1 |
933.8 |
| 1991 | 662688000000 | 505.6 |
842.7 |
| 1992 | 694224000000 | 499.4 |
598.4 |
| 1993 | 725846400000 | 1565.4 |
856.8 |
| 1994 | 757382400000 | 470.7 |
845.2 |
| 1995 | 788918400000 | 1930.1 |
1322.1 |
| 1996 | 820454400000 | 1765.7 |
1388.8 |
| 1997 | 852076800000 | 1727.2 |
1807.6 |
| 1998 | 883612800000 | 2075.6 |
1856.2 |
| 1999 | 915148800000 | 1705.2 |
1836.0 |
| 2000 | 946684800000 | 1089.8 |
1623.5 |
| 2001 | 978307200000 | 355.4 |
1050.1 |
| 2002 | 1009843200000 | 1065.3 |
836.8 |
| 2003 | 1041379200000 | 1560.3 |
993.7 |
| 2004 | 1072915200000 | 1205.0 |
1276.9 |
| 2005 | 1104537600000 | 1056.4 |
1273.9 |
| 2006 | 1136073600000 | 2417.6 |
1559.7 |
| 2007 | 1167609600000 | 1175.8 |
1549.9 |
| 2008 | 1199145600000 | 1194.3 |
1595.9 |
| 2009 | 1230768000000 | 893.4 |
1087.8 |
| 2010 | 1262304000000 | 1246.8 |
1111.5 |
| 2011 | 1293840000000 | 1795.9 |
1312.0 |
| 2012 | 1325376000000 | 1227.9 |
1423.5 |
| 2013 | 1356998400000 | 902.6 |
1308.8 |
| 2014 | 1388534400000 | 614.9 |
915.2 |
| 2015 | 1420070400000 | 878.2 |
798.6 |
| 2016 | 1451606400000 | 1649.7 |
1047.6 |
| 2017 | 1483228800000 | 2648.3 |
1725.4 |
| 2018 | 1514764800000 | 890.1 |
1729.4 |
| 2019 | 1546300800000 | 1416.6 |
1651.6 |
| 2020 | 1577836800000 | 645.0 |
983.9 |
| 2021 | 1609459200000 | 651.6 |
904.4 |
| 2022 | 1640995200000 | 778.6 |
691.7 |
| 2023 | 1672531200000 | 1353.7 |
928.0 |
| 2024 | 1704067200000 | 1471.8 |
1201.4 |
| 2025 | 1735689600000 | 2035.0 |
1620.2 |
| 2026 | 1767225600000 |
884.4 |
1463.7 |
| Rank | Year | | Seasonal Flow | 3-Year Mean |
| 1912 | -1830384000000 | 641.6 |
|
| 1913 | -1798761600000 | 652.8 |
|
| 1914 | -1767225600000 | 808.1 |
700.8 |
| 1915 | -1735689600000 | 866.4 |
775.8 |
| 1916 | -1704153600000 | | |
|---|
| 1917 | -1672531200000 | | |
|---|
| 1918 | -1640995200000 | | |
|---|
| 1919 | -1609459200000 | | |
|---|
| 1920 | -1577923200000 | | |
|---|
| 1921 | -1546300800000 | | |
|---|
| 1922 | -1514764800000 | | |
|---|
| 1923 | -1483228800000 | | |
|---|
| 1924 | -1451692800000 | | |
|---|
| 1925 | -1420070400000 | | |
|---|
| 1926 | -1388534400000 | | |
|---|
| 1927 | -1356998400000 | | |
|---|
| 1928 | -1325462400000 | 509.4 |
|
| 1929 | -1293840000000 | 320.7 |
|
| 1930 | -1262304000000 | 220.4 |
350.2 |
| 1931 | -1230768000000 | 201.4 |
247.5 |
| 1932 | -1199232000000 | 544.3 |
322.0 |
| 1933 | -1167609600000 | 688.3 |
478.0 |
| 1934 | -1136073600000 | 179.2 |
470.6 |
| 1935 | -1104537600000 | 556.9 |
474.8 |
| 1936 | -1073001600000 | 461.7 |
399.3 |
| 1937 | -1041379200000 | 775.4 |
598.0 |
| 1938 | -1009843200000 | 1008.7 |
748.6 |
| 1939 | -978307200000 | 308.6 |
697.6 |
| 1940 | -946771200000 | 452.1 |
589.8 |
| 1941 | -915148800000 | 616.2 |
459.0 |
| 1942 | -883612800000 | 514.2 |
527.5 |
| 1943 | -852076800000 | 527.1 |
552.5 |
| 1944 | -820540800000 | 310.6 |
450.7 |
| 1945 | -788918400000 | 513.2 |
450.3 |
| 1946 | -757382400000 | 576.8 |
466.9 |
| 1947 | -725846400000 | 304.9 |
465.0 |
| 1948 | -694310400000 | 663.7 |
515.1 |
| 1949 | -662688000000 | 505.7 |
491.4 |
| 1950 | -631152000000 | 583.3 |
584.2 |
| 1951 | -599616000000 | 453.0 |
514.0 |
| 1952 | -568080000000 | 942.9 |
659.7 |
| 1953 | -536457600000 | 824.7 |
740.2 |
| 1954 | -504921600000 | 546.4 |
771.4 |
| 1955 | -473385600000 | 324.5 |
565.2 |
| 1956 | -441849600000 | 707.1 |
526.0 |
| 1957 | -410227200000 | 493.3 |
508.3 |
| 1958 | -378691200000 | 744.1 |
648.2 |
| 1959 | -347155200000 | 406.6 |
548.0 |
| 1960 | -315619200000 | 529.6 |
560.1 |
| 1961 | -283996800000 | 536.8 |
491.0 |
| 1962 | -252460800000 | 466.3 |
510.9 |
| 1963 | -220924800000 | 732.0 |
578.4 |
| 1964 | -189388800000 | 406.4 |
534.9 |
| 1965 | -157766400000 | 493.4 |
543.9 |
| 1966 | -126230400000 | 570.7 |
490.2 |
| 1967 | -94694400000 | 581.8 |
548.6 |
| 1968 | -63158400000 | 259.5 |
470.7 |
| 1969 | -31536000000 | 818.5 |
553.3 |
| 1970 | 0000 | 324.1 |
467.4 |
| 1971 | 31536000000 | 811.8 |
651.5 |
| 1972 | 63072000000 | 486.5 |
540.8 |
| 1973 | 94694400000 | 361.3 |
553.2 |
| 1974 | 126230400000 | 798.9 |
548.9 |
| 1975 | 157766400000 | 822.0 |
660.7 |
| 1976 | 189302400000 | 349.1 |
656.7 |
| 1977 | 220924800000 | 135.8 |
435.6 |
| 1978 | 252460800000 | 448.2 |
311.0 |
| 1979 | 283996800000 | 378.8 |
320.9 |
| 1980 | 315532800000 | 428.5 |
418.5 |
| 1981 | 347155200000 | 235.9 |
347.7 |
| 1982 | 378691200000 | 728.5 |
464.3 |
| 1983 | 410227200000 | 940.2 |
634.9 |
| 1984 | 441763200000 | 578.2 |
749.0 |
| 1985 | 473385600000 | 403.7 |
640.7 |
| 1986 | 504921600000 | 348.3 |
443.4 |
| 1987 | 536457600000 | 293.2 |
348.4 |
| 1988 | 567993600000 | 292.3 |
311.3 |
| 1989 | 599616000000 | 469.6 |
351.7 |
| 1990 | 631152000000 | 354.9 |
372.3 |
| 1991 | 662688000000 | 254.1 |
359.5 |
| 1992 | 694224000000 | 237.5 |
282.2 |
| 1993 | 725846400000 | 875.7 |
455.8 |
| 1994 | 757382400000 | 198.3 |
437.2 |
| 1995 | 788918400000 | 792.8 |
622.3 |
| 1996 | 820454400000 | 639.9 |
543.7 |
| 1997 | 852076800000 | 346.0 |
592.9 |
| 1998 | 883612800000 | 829.6 |
605.2 |
| 1999 | 915148800000 | 685.9 |
620.5 |
| 2000 | 946684800000 | 450.3 |
655.3 |
| 2001 | 978307200000 | 178.5 |
438.2 |
| 2002 | 1009843200000 | 392.9 |
340.6 |
| 2003 | 1041379200000 | 628.1 |
399.8 |
| 2004 | 1072915200000 | 474.4 |
498.5 |
| 2005 | 1104537600000 | 599.0 |
567.2 |
| 2006 | 1136073600000 | 689.0 |
587.5 |
| 2007 | 1167609600000 | 353.8 |
547.2 |
| 2008 | 1199145600000 | 544.0 |
528.9 |
| 2009 | 1230768000000 | 388.9 |
428.9 |
| 2010 | 1262304000000 | 752.5 |
561.8 |
| 2011 | 1293840000000 | 844.9 |
662.1 |
| 2012 | 1325376000000 | 650.7 |
749.4 |
| 2013 | 1356998400000 | 293.7 |
596.5 |
| 2014 | 1388534400000 | 181.5 |
375.3 |
| 2015 | 1420070400000 | 139.1 |
204.8 |
| 2016 | 1451606400000 | 439.5 |
253.4 |
| 2017 | 1483228800000 | 865.8 |
481.5 |
| 2018 | 1514764800000 | 406.0 |
570.4 |
| 2019 | 1546300800000 | 702.3 |
658.0 |
| 2020 | 1577836800000 | 268.7 |
459.0 |
| 2021 | 1609459200000 | 222.6 |
397.9 |
| 2022 | 1640995200000 | 347.7 |
279.7 |
| 2023 | 1672531200000 | 697.3 |
422.6 |
| 2024 | 1704067200000 | 532.8 |
526.0 |
| 2025 | 1735689600000 | 641.0 |
623.7 |
| 2026 | 1767225600000 | 185.1 |
453.0 |
|