|
| Rank | Year | | Annual Flow | 3-Year Mean |
|---|
| 1971 | 31536000000 | 189.1 |
|
|---|
| 1972 | 63072000000 | 90.3 |
|
|---|
| 1973 | 94694400000 | 139.3 |
139.5 |
|---|
| 1974 | 126230400000 | 179.0 |
136.2 |
|---|
| 1975 | 157766400000 | 142.5 |
153.6 |
|---|
| 1976 | 189302400000 | 46.2 |
122.6 |
|---|
| 1977 | 220924800000 | 23.9 |
70.9 |
|---|
| 1978 | 252460800000 | 140.0 |
70.1 |
|---|
| 1979 | 283996800000 | 73.5 |
79.2 |
|---|
| 1980 | 315532800000 | 187.2 |
133.6 |
|---|
| 1981 | 347155200000 | 50.9 |
103.9 |
|---|
| 1982 | 378691200000 | 287.0 |
175.0 |
|---|
| 1983 | 410227200000 | 323.4 |
220.4 |
|---|
| 1984 | 441763200000 | 197.8 |
269.4 |
|---|
| 1985 | 473385600000 | 94.1 |
205.1 |
|---|
| 1986 | 504921600000 | 217.5 |
169.8 |
|---|
| 1987 | 536457600000 | 49.6 |
120.4 |
|---|
| 1988 | 567993600000 | 31.2 |
99.4 |
|---|
| 1989 | 599616000000 | 116.6 |
65.8 |
|---|
| 1990 | 631152000000 | 64.3 |
70.7 |
|---|
| 1991 | 662688000000 | 53.8 |
78.3 |
|---|
| 1992 | 694224000000 | 36.3 |
51.5 |
|---|
| 1993 | 725846400000 | 171.2 |
87.1 |
|---|
| 1994 | 757382400000 | 36.5 |
81.3 |
|---|
| 1995 | 788918400000 | 262.6 |
156.8 |
|---|
| 1996 | 820454400000 | 179.8 |
159.6 |
|---|
| 1997 | 852076800000 | 179.5 |
207.3 |
|---|
| 1998 | 883612800000 | 178.2 |
179.2 |
|---|
| 1999 | 915148800000 | 172.3 |
176.7 |
|---|
| 2000 | 946684800000 | 104.3 |
151.6 |
|---|
| 2001 | 978307200000 | 43.5 |
106.7 |
|---|
| 2002 | 1009843200000 | 85.5 |
77.8 |
|---|
| 2003 | 1041379200000 | 112.3 |
80.4 |
|---|
| 2004 | 1072915200000 | 84.8 |
94.2 |
|---|
| 2005 | 1104537600000 | 133.4 |
110.2 |
|---|
| 2006 | 1136073600000 | 216.2 |
144.8 |
|---|
| 2007 | 1167609600000 | 56.9 |
135.5 |
|---|
| 2008 | 1199145600000 | 68.2 |
113.8 |
|---|
| 2009 | 1230768000000 | 91.3 |
72.1 |
|---|
| 2010 | 1262304000000 | 101.1 |
86.9 |
|---|
| 2011 | 1293840000000 | 216.0 |
136.1 |
|---|
| 2012 | 1325376000000 | 67.2 |
128.1 |
|---|
| 2013 | 1356998400000 | 66.4 |
116.5 |
|---|
| 2014 | 1388534400000 | 39.1 |
57.6 |
|---|
| 2015 | 1420070400000 | 46.5 |
50.7 |
|---|
| 2016 | 1451606400000 | 124.4 |
70.0 |
|---|
| 2017 | 1483228800000 | 332.0 |
167.7 |
|---|
| 2018 | 1514764800000 | 102.4 |
186.3 |
|---|
| 2019 | 1546300800000 | 177.0 |
203.8 |
|---|
| 2020 | 1577836800000 | 60.5 |
113.3 |
|---|
| 2021 | 1609459200000 | 35.4 |
91.0 |
|---|
| 2022 | 1640995200000 | 95.5 |
63.8 |
|---|
| 2023 | 1672531200000 | 213.1 |
114.7 |
|---|
| 2024 | 1704067200000 | 93.4 |
134.0 |
|---|
| 2025 | 1735689600000 | 110.1 |
138.9 |
|---|
| 2026 | 1767225600000 |
151.8 |
118.4 |
|---|
| Rank | Year | | Seasonal Flow | 3-Year Mean |
|---|
| 1971 | 31536000000 | 148.9 |
|
|---|
| 1972 | 63072000000 | 51.7 |
|
|---|
| 1973 | 94694400000 | 95.5 |
98.7 |
|---|
| 1974 | 126230400000 | 110.8 |
86.0 |
|---|
| 1975 | 157766400000 | 119.0 |
108.5 |
|---|
| 1976 | 189302400000 | 18.9 |
82.9 |
|---|
| 1977 | 220924800000 | 8.7 |
48.9 |
|---|
| 1978 | 252460800000 | 101.4 |
43.0 |
|---|
| 1979 | 283996800000 | 52.3 |
54.1 |
|---|
| 1980 | 315532800000 | 123.4 |
92.4 |
|---|
| 1981 | 347155200000 | 29.6 |
68.4 |
|---|
| 1982 | 378691200000 | 151.5 |
101.5 |
|---|
| 1983 | 410227200000 | 246.4 |
142.5 |
|---|
| 1984 | 441763200000 | 98.7 |
165.5 |
|---|
| 1985 | 473385600000 | 65.8 |
137.0 |
|---|
| 1986 | 504921600000 | 103.7 |
89.4 |
|---|
| 1987 | 536457600000 | 25.0 |
64.8 |
|---|
| 1988 | 567993600000 | 14.2 |
47.6 |
|---|
| 1989 | 599616000000 | 70.8 |
36.7 |
|---|
| 1990 | 631152000000 | 37.8 |
40.9 |
|---|
| 1991 | 662688000000 | 38.0 |
48.9 |
|---|
| 1992 | 694224000000 | 19.4 |
31.7 |
|---|
| 1993 | 725846400000 | 135.4 |
64.3 |
|---|
| 1994 | 757382400000 | 21.8 |
58.9 |
|---|
| 1995 | 788918400000 | 198.5 |
118.5 |
|---|
| 1996 | 820454400000 | 117.9 |
112.7 |
|---|
| 1997 | 852076800000 | 75.4 |
130.6 |
|---|
| 1998 | 883612800000 | 135.0 |
109.4 |
|---|
| 1999 | 915148800000 | 129.6 |
113.3 |
|---|
| 2000 | 946684800000 | 73.3 |
112.6 |
|---|
| 2001 | 978307200000 | 27.8 |
76.9 |
|---|
| 2002 | 1009843200000 | 62.2 |
54.4 |
|---|
| 2003 | 1041379200000 | 74.5 |
54.9 |
|---|
| 2004 | 1072915200000 | 52.8 |
63.2 |
|---|
| 2005 | 1104537600000 | 106.0 |
77.8 |
|---|
| 2006 | 1136073600000 | 129.1 |
95.9 |
|---|
| 2007 | 1167609600000 | 33.4 |
89.5 |
|---|
| 2008 | 1199145600000 | 48.7 |
70.4 |
|---|
| 2009 | 1230768000000 | 66.5 |
49.5 |
|---|
| 2010 | 1262304000000 | 82.3 |
65.8 |
|---|
| 2011 | 1293840000000 | 166.6 |
105.1 |
|---|
| 2012 | 1325376000000 | 45.9 |
98.3 |
|---|
| 2013 | 1356998400000 | 31.4 |
81.3 |
|---|
| 2014 | 1388534400000 | 21.2 |
32.8 |
|---|
| 2015 | 1420070400000 | 15.2 |
22.6 |
|---|
| 2016 | 1451606400000 | 71.2 |
35.8 |
|---|
| 2017 | 1483228800000 | 185.6 |
90.7 |
|---|
| 2018 | 1514764800000 | 63.6 |
106.8 |
|---|
| 2019 | 1546300800000 | 148.7 |
132.6 |
|---|
| 2020 | 1577836800000 | 43.4 |
85.2 |
|---|
| 2021 | 1609459200000 | 22.6 |
71.5 |
|---|
| 2022 | 1640995200000 | 52.6 |
39.5 |
|---|
| 2023 | 1672531200000 | 175.9 |
83.7 |
|---|
| 2024 | 1704067200000 | 68.8 |
99.1 |
|---|
| 2025 | 1735689600000 | 72.3 |
105.7 |
|---|
| 2026 | 1767225600000 |
86.1 |
75.7 |
|---|
|
