|
| Rank | Year | | Annual Flow | 3-Year Mean |
| 1912 | -1830384000000 | 128.2 |
|
| 1913 | -1798761600000 | 156.9 |
|
| 1914 | -1767225600000 | 399.1 |
228.1 |
| 1915 | -1735689600000 | 321.8 |
292.6 |
| 1916 | -1704153600000 | | |
|---|
| 1917 | -1672531200000 | | |
|---|
| 1918 | -1640995200000 | | |
|---|
| 1919 | -1609459200000 | | |
|---|
| 1920 | -1577923200000 | | |
|---|
| 1921 | -1546300800000 | 340.4 |
|
| 1922 | -1514764800000 | 259.9 |
|
| 1923 | -1483228800000 | 158.9 |
253.1 |
| 1924 | -1451692800000 | 74.8 |
164.5 |
| 1925 | -1420070400000 | 158.3 |
130.7 |
| 1926 | -1388534400000 | 151.6 |
128.2 |
| 1927 | -1356998400000 | 269.3 |
193.1 |
| 1928 | -1325462400000 | 214.8 |
211.9 |
| 1929 | -1293840000000 | 91.1 |
191.8 |
| 1930 | -1262304000000 | 195.4 |
167.1 |
| 1931 | -1230768000000 | 73.6 |
120.0 |
| 1932 | -1199232000000 | 148.8 |
139.3 |
| 1933 | -1167609600000 | 101.0 |
107.8 |
| 1934 | -1136073600000 | 112.6 |
120.8 |
| 1935 | -1104537600000 | 221.8 |
145.1 |
| 1936 | -1073001600000 | 195.4 |
176.6 |
| 1937 | -1041379200000 | 157.8 |
191.6 |
| 1938 | -1009843200000 | 453.3 |
268.8 |
| 1939 | -978307200000 | 99.4 |
236.8 |
| 1940 | -946771200000 | 323.6 |
292.1 |
| 1941 | -915148800000 | 388.6 |
270.5 |
| 1942 | -883612800000 | 373.6 |
361.9 |
| 1943 | -852076800000 | 295.3 |
352.5 |
| 1944 | -820540800000 | 133.7 |
267.5 |
| 1945 | -788918400000 | 180.4 |
203.1 |
| 1946 | -757382400000 | 211.7 |
175.3 |
| 1947 | -725846400000 | 130.1 |
174.1 |
| 1948 | -694310400000 | 226.2 |
189.3 |
| 1949 | -662688000000 | 134.7 |
163.7 |
| 1950 | -631152000000 | 192.4 |
184.4 |
| 1951 | -599616000000 | 289.7 |
205.6 |
| 1952 | -568080000000 | 394.3 |
292.1 |
| 1953 | -536457600000 | 290.5 |
324.8 |
| 1954 | -504921600000 | 263.2 |
316.0 |
| 1955 | -473385600000 | 135.3 |
229.7 |
| 1956 | -441849600000 | 435.5 |
278.0 |
| 1957 | -410227200000 | 181.5 |
250.8 |
| 1958 | -378691200000 | 402.9 |
340.0 |
| 1959 | -347155200000 | 155.2 |
246.6 |
| 1960 | -315619200000 | 149.3 |
235.8 |
| 1961 | -283996800000 | 166.9 |
157.1 |
| 1962 | -252460800000 | 190.3 |
168.8 |
| 1963 | -220924800000 | 313.0 |
223.4 |
| 1964 | -189388800000 | 128.5 |
210.6 |
| 1965 | -157766400000 | 358.1 |
266.5 |
| 1966 | -126230400000 | 158.3 |
215.0 |
| 1967 | -94694400000 | 331.6 |
282.7 |
| 1968 | -63158400000 | 189.2 |
226.4 |
| 1969 | -31536000000 | 390.2 |
303.7 |
| 1970 | 0000 | 355.1 |
311.5 |
| 1971 | 31536000000 | 286.0 |
343.7 |
| 1972 | 63072000000 | 161.8 |
267.6 |
| 1973 | 94694400000 | 256.0 |
234.6 |
| 1974 | 126230400000 | 478.7 |
298.8 |
| 1975 | 157766400000 | 271.7 |
335.5 |
| 1976 | 189302400000 | 102.7 |
284.4 |
| 1977 | 220924800000 | 62.4 |
145.6 |
| 1978 | 252460800000 | 295.5 |
153.5 |
| 1979 | 283996800000 | 154.3 |
170.7 |
| 1980 | 315532800000 | 292.9 |
247.5 |
| 1981 | 347155200000 | 133.7 |
193.6 |
| 1982 | 378691200000 | 420.4 |
282.3 |
| 1983 | 410227200000 | 506.5 |
353.6 |
| 1984 | 441763200000 | 313.0 |
413.3 |
| 1985 | 473385600000 | 130.4 |
316.7 |
| 1986 | 504921600000 | 344.9 |
262.8 |
| 1987 | 536457600000 | 139.8 |
205.1 |
| 1988 | 567993600000 | 107.2 |
197.3 |
| 1989 | 599616000000 | 175.0 |
140.7 |
| 1990 | 631152000000 | 106.9 |
129.7 |
| 1991 | 662688000000 | 111.7 |
131.2 |
| 1992 | 694224000000 | 120.8 |
113.1 |
| 1993 | 725846400000 | 280.5 |
171.0 |
| 1994 | 757382400000 | 98.3 |
166.5 |
| 1995 | 788918400000 | 505.9 |
294.9 |
| 1996 | 820454400000 | 293.9 |
299.4 |
| 1997 | 852076800000 | 361.4 |
387.1 |
| 1998 | 883612800000 | 429.9 |
361.8 |
| 1999 | 915148800000 | 278.3 |
356.5 |
| 2000 | 946684800000 | 223.2 |
310.5 |
| 2001 | 978307200000 | 124.5 |
208.7 |
| 2002 | 1009843200000 | 166.0 |
171.2 |
| 2003 | 1041379200000 | 299.9 |
196.8 |
| 2004 | 1072915200000 | 225.8 |
230.6 |
| 2005 | 1104537600000 | 197.5 |
241.1 |
| 2006 | 1136073600000 | 475.9 |
299.7 |
| 2007 | 1167609600000 | 129.2 |
267.5 |
| 2008 | 1199145600000 | 136.1 |
247.1 |
| 2009 | 1230768000000 | 162.8 |
142.7 |
| 2010 | 1262304000000 | 207.9 |
168.9 |
| 2011 | 1293840000000 | 352.9 |
241.2 |
| 2012 | 1325376000000 | 160.0 |
240.3 |
| 2013 | 1356998400000 | 181.5 |
231.4 |
| 2014 | 1388534400000 | 93.9 |
145.1 |
| 2015 | 1420070400000 | 111.5 |
128.9 |
| 2016 | 1451606400000 | 228.8 |
144.7 |
| 2017 | 1483228800000 | 507.2 |
282.5 |
| 2018 | 1514764800000 | 182.4 |
306.1 |
| 2019 | 1546300800000 | 353.0 |
347.6 |
| 2020 | 1577836800000 | 106.5 |
214.0 |
| 2021 | 1609459200000 | 82.5 |
180.7 |
| 2022 | 1640995200000 | 127.3 |
105.5 |
| 2023 | 1672531200000 | 308.1 |
172.7 |
| 2024 | 1704067200000 | 237.8 |
224.4 |
| 2025 | 1735689600000 | 312.8 |
286.2 |
| 2026 | 1767225600000 |
341.9 |
297.5 |
| Rank | Year | | Seasonal Flow | 3-Year Mean |
| 1912 | -1830384000000 | 47.7 |
|
| 1913 | -1798761600000 | 74.7 |
|
| 1914 | -1767225600000 | 118.8 |
80.4 |
| 1915 | -1735689600000 | 143.6 |
112.4 |
| 1916 | -1704153600000 | | |
|---|
| 1917 | -1672531200000 | | |
|---|
| 1918 | -1640995200000 | | |
|---|
| 1919 | -1609459200000 | | |
|---|
| 1920 | -1577923200000 | 50.7 |
|
| 1921 | -1546300800000 | 86.5 |
|
| 1922 | -1514764800000 | 122.7 |
86.6 |
| 1923 | -1483228800000 | 49.4 |
86.2 |
| 1924 | -1451692800000 | 20.1 |
64.1 |
| 1925 | -1420070400000 | 54.9 |
41.5 |
| 1926 | -1388534400000 | 61.1 |
45.4 |
| 1927 | -1356998400000 | 79.9 |
65.3 |
| 1928 | -1325462400000 | 58.3 |
66.4 |
| 1929 | -1293840000000 | 30.7 |
56.3 |
| 1930 | -1262304000000 | 54.1 |
47.7 |
| 1931 | -1230768000000 | 20.1 |
35.0 |
| 1932 | -1199232000000 | 62.1 |
45.5 |
| 1933 | -1167609600000 | 43.4 |
41.9 |
| 1934 | -1136073600000 | 24.8 |
43.4 |
| 1935 | -1104537600000 | 114.3 |
60.8 |
| 1936 | -1073001600000 | 57.7 |
65.6 |
| 1937 | -1041379200000 | 72.6 |
81.6 |
| 1938 | -1009843200000 | 128.4 |
86.2 |
| 1939 | -978307200000 | 30.1 |
77.1 |
| 1940 | -946771200000 | 74.6 |
77.7 |
| 1941 | -915148800000 | 125.9 |
76.9 |
| 1942 | -883612800000 | 131.2 |
110.5 |
| 1943 | -852076800000 | 100.0 |
119.0 |
| 1944 | -820540800000 | 51.5 |
94.2 |
| 1945 | -788918400000 | 58.5 |
70.0 |
| 1946 | -757382400000 | 58.2 |
56.1 |
| 1947 | -725846400000 | 40.0 |
52.2 |
| 1948 | -694310400000 | 136.6 |
78.3 |
| 1949 | -662688000000 | 51.2 |
76.0 |
| 1950 | -631152000000 | 83.7 |
90.5 |
| 1951 | -599616000000 | 75.6 |
70.2 |
| 1952 | -568080000000 | 166.6 |
108.6 |
| 1953 | -536457600000 | 103.6 |
115.3 |
| 1954 | -504921600000 | 104.4 |
124.9 |
| 1955 | -473385600000 | 55.0 |
87.7 |
| 1956 | -441849600000 | 110.3 |
89.9 |
| 1957 | -410227200000 | 62.4 |
75.9 |
| 1958 | -378691200000 | 152.8 |
108.5 |
| 1959 | -347155200000 | 37.1 |
84.1 |
| 1960 | -315619200000 | 46.4 |
78.8 |
| 1961 | -283996800000 | 50.2 |
44.5 |
| 1962 | -252460800000 | 65.7 |
54.1 |
| 1963 | -220924800000 | 122.4 |
79.4 |
| 1964 | -189388800000 | 44.7 |
77.6 |
| 1965 | -157766400000 | 96.8 |
88.0 |
| 1966 | -126230400000 | 55.6 |
65.7 |
| 1967 | -94694400000 | 138.0 |
96.8 |
| 1968 | -63158400000 | 45.5 |
79.7 |
| 1969 | -31536000000 | 129.5 |
104.3 |
| 1970 | 0000 | 47.9 |
74.3 |
| 1971 | 31536000000 | 100.6 |
92.7 |
| 1972 | 63072000000 | 57.3 |
68.6 |
| 1973 | 94694400000 | 74.2 |
77.4 |
| 1974 | 126230400000 | 125.3 |
85.6 |
| 1975 | 157766400000 | 114.5 |
104.7 |
| 1976 | 189302400000 | 31.2 |
90.3 |
| 1977 | 220924800000 | 20.5 |
55.4 |
| 1978 | 252460800000 | 83.1 |
44.9 |
| 1979 | 283996800000 | 57.4 |
53.7 |
| 1980 | 315532800000 | 60.9 |
67.1 |
| 1981 | 347155200000 | 33.4 |
50.6 |
| 1982 | 378691200000 | 148.2 |
80.8 |
| 1983 | 410227200000 | 153.8 |
111.8 |
| 1984 | 441763200000 | 65.6 |
122.6 |
| 1985 | 473385600000 | 39.7 |
86.4 |
| 1986 | 504921600000 | 57.4 |
54.3 |
| 1987 | 536457600000 | 33.8 |
43.7 |
| 1988 | 567993600000 | 29.1 |
40.1 |
| 1989 | 599616000000 | 50.4 |
37.8 |
| 1990 | 631152000000 | 29.9 |
36.5 |
| 1991 | 662688000000 | 42.1 |
40.8 |
| 1992 | 694224000000 | 34.0 |
35.3 |
| 1993 | 725846400000 | 96.4 |
57.5 |
| 1994 | 757382400000 | 27.3 |
52.6 |
| 1995 | 788918400000 | 179.5 |
101.1 |
| 1996 | 820454400000 | 101.1 |
102.7 |
| 1997 | 852076800000 | 48.2 |
109.6 |
| 1998 | 883612800000 | 153.0 |
100.8 |
| 1999 | 915148800000 | 77.3 |
92.8 |
| 2000 | 946684800000 | 56.3 |
95.5 |
| 2001 | 978307200000 | 36.0 |
56.5 |
| 2002 | 1009843200000 | 45.5 |
45.9 |
| 2003 | 1041379200000 | 112.1 |
64.5 |
| 2004 | 1072915200000 | 50.1 |
69.2 |
| 2005 | 1104537600000 | 83.8 |
82.0 |
| 2006 | 1136073600000 | 178.3 |
104.1 |
| 2007 | 1167609600000 | 33.0 |
98.4 |
| 2008 | 1199145600000 | 44.8 |
85.4 |
| 2009 | 1230768000000 | 43.6 |
40.5 |
| 2010 | 1262304000000 | 88.5 |
59.0 |
| 2011 | 1293840000000 | 156.4 |
96.2 |
| 2012 | 1325376000000 | 66.3 |
103.7 |
| 2013 | 1356998400000 | 37.2 |
86.6 |
| 2014 | 1388534400000 | 27.4 |
43.6 |
| 2015 | 1420070400000 | 18.7 |
27.8 |
| 2016 | 1451606400000 | 45.3 |
30.5 |
| 2017 | 1483228800000 | 126.2 |
63.4 |
| 2018 | 1514764800000 | 64.9 |
78.8 |
| 2019 | 1546300800000 | 125.4 |
105.5 |
| 2020 | 1577836800000 | 36.4 |
75.6 |
| 2021 | 1609459200000 | 24.7 |
62.2 |
| 2022 | 1640995200000 | 37.2 |
32.8 |
| 2023 | 1672531200000 | 124.0 |
61.9 |
| 2024 | 1704067200000 | 82.4 |
81.2 |
| 2025 | 1735689600000 | 63.8 |
90.1 |
| 2026 | 1767225600000 |
65.1 |
70.4 |
|