|
| Rank | Year | | Annual Flow | 3-Year Mean |
| 1914 | -1767225600000 | 82.8 |
|
| 1915 | -1735689600000 | 22.4 |
|
| 1916 | -1704153600000 | 67.7 |
57.6 |
| 1917 | -1672531200000 | 111.9 |
67.3 |
| 1918 | -1640995200000 | 21.9 |
67.2 |
| 1919 | -1609459200000 | 50.3 |
61.4 |
| 1920 | -1577923200000 | 35.6 |
35.9 |
| 1921 | -1546300800000 | 91.4 |
59.1 |
| 1922 | -1514764800000 | | |
|---|
| 1923 | -1483228800000 | | |
|---|
| 1924 | -1451692800000 | | |
|---|
| 1925 | -1420070400000 | | |
|---|
| 1926 | -1388534400000 | | |
|---|
| 1927 | -1356998400000 | | |
|---|
| 1928 | -1325462400000 | | |
|---|
| 1929 | -1293840000000 | | |
|---|
| 1930 | -1262304000000 | | |
|---|
| 1931 | -1230768000000 | | |
|---|
| 1932 | -1199232000000 | | |
|---|
| 1933 | -1167609600000 | | |
|---|
| 1934 | -1136073600000 | | |
|---|
| 1935 | -1104537600000 | | |
|---|
| 1936 | -1073001600000 | | |
|---|
| 1937 | -1041379200000 | | |
|---|
| 1938 | -1009843200000 | | |
|---|
| 1939 | -978307200000 | | |
|---|
| 1940 | -946771200000 | | |
|---|
| 1941 | -915148800000 | | |
|---|
| 1942 | -883612800000 | | |
|---|
| 1943 | -852076800000 | | |
|---|
| 1944 | -820540800000 | 35.7 |
|
| 1945 | -788918400000 | 70.9 |
|
| 1946 | -757382400000 | 56.9 |
54.5 |
| 1947 | -725846400000 | 19.8 |
49.2 |
| 1948 | -694310400000 | 20.1 |
32.2 |
| 1949 | -662688000000 | 47.2 |
29.0 |
| 1950 | -631152000000 | 43.6 |
37.0 |
| 1951 | -599616000000 | 66.7 |
52.5 |
| 1952 | -568080000000 | 143.6 |
84.6 |
| 1953 | -536457600000 | 48.0 |
86.1 |
| 1954 | -504921600000 | 15.5 |
69.0 |
| 1955 | -473385600000 | 9.5 |
24.3 |
| 1956 | -441849600000 | 68.6 |
31.2 |
| 1957 | -410227200000 | 65.7 |
47.9 |
| 1958 | -378691200000 | 76.8 |
70.3 |
| 1959 | -347155200000 | 12.0 |
51.5 |
| 1960 | -315619200000 | 29.5 |
39.4 |
| 1961 | -283996800000 | 10.5 |
17.4 |
| 1962 | -252460800000 | 84.5 |
41.5 |
| 1963 | -220924800000 | 30.4 |
41.8 |
| 1964 | -189388800000 | 43.8 |
52.9 |
| 1965 | -157766400000 | 74.8 |
49.7 |
| 1966 | -126230400000 | 18.1 |
45.6 |
| 1967 | -94694400000 | 36.0 |
43.0 |
| 1968 | -63158400000 | 13.0 |
22.4 |
| 1969 | -31536000000 | 112.3 |
53.8 |
| 1970 | 0000 | 59.5 |
61.6 |
| 1971 | 31536000000 | 94.6 |
88.8 |
| 1972 | 63072000000 | 84.1 |
79.4 |
| 1973 | 94694400000 | 46.7 |
75.1 |
| 1974 | 126230400000 | 71.3 |
67.4 |
| 1975 | 157766400000 | 89.3 |
69.1 |
| 1976 | 189302400000 | 42.0 |
67.5 |
| 1977 | 220924800000 | 12.3 |
47.9 |
| 1978 | 252460800000 | 48.8 |
34.3 |
| 1979 | 283996800000 | 60.3 |
40.5 |
| 1980 | 315532800000 | 75.8 |
61.6 |
| 1981 | 347155200000 | 11.2 |
49.1 |
| 1982 | 378691200000 | 116.6 |
67.9 |
| 1983 | 410227200000 | | |
|---|
| 1984 | 441763200000 | | |
|---|
| 1985 | 473385600000 | | |
|---|
| 1986 | 504921600000 | | |
|---|
| 1987 | 536457600000 | | |
|---|
| 1988 | 567993600000 | | |
|---|
| 1989 | 599616000000 | | |
|---|
| 1990 | 631152000000 | | |
|---|
| 1991 | 662688000000 | | |
|---|
| 1992 | 694224000000 | | |
|---|
| 1993 | 725846400000 | | |
|---|
| 1994 | 757382400000 | | |
|---|
| 1995 | 788918400000 | | |
|---|
| 1996 | 820454400000 | | |
|---|
| 1997 | 852076800000 | | |
|---|
| 1998 | 883612800000 | | |
|---|
| 1999 | 915148800000 | | |
|---|
| 2000 | 946684800000 | | |
|---|
| 2001 | 978307200000 | | |
|---|
| 2002 | 1009843200000 | | |
|---|
| 2003 | 1041379200000 | 15.7 |
|
| 2004 | 1072915200000 | 29.1 |
|
| 2005 | 1104537600000 | 77.2 |
40.7 |
| 2006 | 1136073600000 | 127.4 |
77.9 |
| 2007 | 1167609600000 | 17.7 |
74.1 |
| 2008 | 1199145600000 | 25.3 |
56.8 |
| 2009 | 1230768000000 | 32.1 |
25.0 |
| 2010 | 1262304000000 | 32.1 |
29.8 |
| 2011 | 1293840000000 | 91.9 |
52.0 |
| 2012 | 1325376000000 | 15.7 |
46.6 |
| 2013 | 1356998400000 | 9.4 |
39.0 |
| 2014 | 1388534400000 | 8.6 |
11.2 |
| 2015 | 1420070400000 | 15.2 |
11.1 |
| 2016 | 1451606400000 | 49.4 |
24.4 |
| 2017 | 1483228800000 | 167.8 |
77.5 |
| 2018 | 1514764800000 | 22.3 |
79.9 |
| 2019 | 1546300800000 | 71.7 |
87.3 |
| 2020 | 1577836800000 | 30.7 |
41.6 |
| 2021 | 1609459200000 | 11.3 |
37.9 |
| 2022 | 1640995200000 | 10.7 |
17.5 |
| 2023 | 1672531200000 | 75.2 |
32.4 |
| 2024 | 1704067200000 | 66.7 |
50.8 |
| 2025 | 1735689600000 | 24.2 |
55.3 |
| 2026 | 1767225600000 |
14.6 |
35.1 |
| Rank | Year | | Seasonal Flow | 3-Year Mean |
| 1914 | -1767225600000 | 54.5 |
|
| 1915 | -1735689600000 | 11.3 |
|
| 1916 | -1704153600000 | 44.6 |
36.8 |
| 1917 | -1672531200000 | 97.0 |
51.0 |
| 1918 | -1640995200000 | 10.9 |
50.8 |
| 1919 | -1609459200000 | 33.7 |
47.2 |
| 1920 | -1577923200000 | 26.1 |
23.6 |
| 1921 | -1546300800000 | 66.5 |
42.1 |
| 1922 | -1514764800000 | | |
|---|
| 1923 | -1483228800000 | | |
|---|
| 1924 | -1451692800000 | | |
|---|
| 1925 | -1420070400000 | | |
|---|
| 1926 | -1388534400000 | | |
|---|
| 1927 | -1356998400000 | | |
|---|
| 1928 | -1325462400000 | | |
|---|
| 1929 | -1293840000000 | | |
|---|
| 1930 | -1262304000000 | | |
|---|
| 1931 | -1230768000000 | | |
|---|
| 1932 | -1199232000000 | | |
|---|
| 1933 | -1167609600000 | | |
|---|
| 1934 | -1136073600000 | | |
|---|
| 1935 | -1104537600000 | | |
|---|
| 1936 | -1073001600000 | | |
|---|
| 1937 | -1041379200000 | | |
|---|
| 1938 | -1009843200000 | | |
|---|
| 1939 | -978307200000 | | |
|---|
| 1940 | -946771200000 | | |
|---|
| 1941 | -915148800000 | | |
|---|
| 1942 | -883612800000 | | |
|---|
| 1943 | -852076800000 | | |
|---|
| 1944 | -820540800000 | 22.8 |
|
| 1945 | -788918400000 | 54.5 |
|
| 1946 | -757382400000 | 36.8 |
38.0 |
| 1947 | -725846400000 | 7.1 |
32.8 |
| 1948 | -694310400000 | 13.3 |
19.1 |
| 1949 | -662688000000 | 41.5 |
20.7 |
| 1950 | -631152000000 | 30.0 |
28.3 |
| 1951 | -599616000000 | 34.1 |
35.2 |
| 1952 | -568080000000 | 133.1 |
65.7 |
| 1953 | -536457600000 | 34.4 |
67.2 |
| 1954 | -504921600000 | 5.5 |
57.7 |
| 1955 | -473385600000 | 4.8 |
14.9 |
| 1956 | -441849600000 | 39.2 |
16.5 |
| 1957 | -410227200000 | 42.7 |
28.9 |
| 1958 | -378691200000 | 56.5 |
46.1 |
| 1959 | -347155200000 | 3.3 |
34.2 |
| 1960 | -315619200000 | 16.7 |
25.5 |
| 1961 | -283996800000 | 3.8 |
7.9 |
| 1962 | -252460800000 | 44.7 |
21.7 |
| 1963 | -220924800000 | 22.4 |
23.6 |
| 1964 | -189388800000 | 33.5 |
33.5 |
| 1965 | -157766400000 | 44.5 |
33.4 |
| 1966 | -126230400000 | 6.9 |
28.3 |
| 1967 | -94694400000 | 26.7 |
26.0 |
| 1968 | -63158400000 | 4.2 |
12.6 |
| 1969 | -31536000000 | 87.5 |
39.5 |
| 1970 | 0000 | 34.8 |
42.1 |
| 1971 | 31536000000 | 55.1 |
59.1 |
| 1972 | 63072000000 | 34.7 |
41.5 |
| 1973 | 94694400000 | 25.3 |
38.4 |
| 1974 | 126230400000 | 37.3 |
32.5 |
| 1975 | 157766400000 | 75.5 |
46.0 |
| 1976 | 189302400000 | 23.2 |
45.3 |
| 1977 | 220924800000 | 5.4 |
34.7 |
| 1978 | 252460800000 | 32.7 |
20.4 |
| 1979 | 283996800000 | 32.0 |
23.4 |
| 1980 | 315532800000 | 43.9 |
36.2 |
| 1981 | 347155200000 | 3.6 |
26.5 |
| 1982 | 378691200000 | 74.4 |
40.7 |
| 1983 | 410227200000 | | |
|---|
| 1984 | 441763200000 | | |
|---|
| 1985 | 473385600000 | | |
|---|
| 1986 | 504921600000 | | |
|---|
| 1987 | 536457600000 | | |
|---|
| 1988 | 567993600000 | | |
|---|
| 1989 | 599616000000 | | |
|---|
| 1990 | 631152000000 | | |
|---|
| 1991 | 662688000000 | | |
|---|
| 1992 | 694224000000 | | |
|---|
| 1993 | 725846400000 | | |
|---|
| 1994 | 757382400000 | | |
|---|
| 1995 | 788918400000 | | |
|---|
| 1996 | 820454400000 | | |
|---|
| 1997 | 852076800000 | | |
|---|
| 1998 | 883612800000 | | |
|---|
| 1999 | 915148800000 | | |
|---|
| 2000 | 946684800000 | | |
|---|
| 2001 | 978307200000 | | |
|---|
| 2002 | 1009843200000 | | |
|---|
| 2003 | 1041379200000 | 7.7 |
|
| 2004 | 1072915200000 | 14.4 |
|
| 2005 | 1104537600000 | 61.9 |
28.0 |
| 2006 | 1136073600000 | 90.1 |
55.5 |
| 2007 | 1167609600000 | 6.7 |
52.9 |
| 2008 | 1199145600000 | 17.8 |
38.2 |
| 2009 | 1230768000000 | 22.6 |
15.7 |
| 2010 | 1262304000000 | 23.7 |
21.4 |
| 2011 | 1293840000000 | 64.7 |
37.0 |
| 2012 | 1325376000000 | 4.4 |
30.9 |
| 2013 | 1356998400000 | 3.3 |
24.1 |
| 2014 | 1388534400000 | 2.3 |
3.4 |
| 2015 | 1420070400000 | 7.9 |
4.5 |
| 2016 | 1451606400000 | 26.7 |
12.3 |
| 2017 | 1483228800000 | 69.8 |
34.8 |
| 2018 | 1514764800000 | 10.7 |
35.7 |
| 2019 | 1546300800000 | 61.6 |
47.3 |
| 2020 | 1577836800000 | 18.1 |
30.1 |
| 2021 | 1609459200000 | 4.0 |
27.9 |
| 2022 | 1640995200000 | 5.1 |
9.1 |
| 2023 | 1672531200000 | 65.8 |
25.0 |
| 2024 | 1704067200000 | 50.3 |
40.4 |
| 2025 | 1735689600000 | 11.0 |
42.3 |
| 2026 | 1767225600000 |
7.7 |
23.0 |
|