Lewis River Above Muddy River Near Cougar, Wa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 1338.2
01-02 1344.8
01-03 1954.75
01-04 1748.89
01-05 1798.5
01-06 1686.7
01-07 1941.09
01-08 1941.44
01-09 1864.44
01-10 1531.1
01-11 1471.2
01-12 1617.2
01-13 1734.44
01-14 1715.0
01-15 1590.67
01-16 1703.7
01-17 1580.0
01-18 1793.73
01-19 1851.18
01-20 1818.18
01-21 1715.27
01-22 1729.36
01-23 1588.18
01-24 1872.83
01-25 1984.7
01-26 1859.4
01-27 1789.82
01-28 2005.91
01-29 1890.58
01-30 1810.69
01-31 1652.54
02-01 2035.23
02-02 2078.0
02-03 1748.43
02-04 1605.92
02-05 1557.0
02-06 1648.5
02-07 1965.42
02-08 2320.36
02-09 1844.46
02-10 1656.91
02-11 1534.36
02-12 1518.38
02-13 1488.31
02-14 1579.0
02-15 1498.43
02-16 1587.85
02-17 1395.92
02-18 1354.15
02-19 1300.0
02-20 1179.64
02-21 1094.21
02-22 1195.36
02-23 1440.29
02-24 1246.54
02-25 1204.0
02-26 1171.27
02-27 1116.75
02-28 1122.0
02-29 1771.5
03-01 1997.55
03-02 1857.83
03-03 1631.83
03-04 1592.25
03-05 1542.23
03-06 2032.62
03-07 1884.46
03-08 1566.23
03-09 1628.23
03-10 1844.25
03-11 1500.83
03-12 1362.58
03-13 1301.08
03-14 1246.17
03-15 1319.5
03-16 1845.85
03-17 1774.0
03-18 1568.38
03-19 1743.64
03-20 1649.23
03-21 1611.43
03-22 1631.69
03-23 1372.92
03-24 1557.5
03-25 1710.07
03-26 1692.36
03-27 1586.85
03-28 1650.77
03-29 1821.29
03-30 2009.23
03-31 2071.69
04-01 1773.2
04-02 1677.57
04-03 1597.5
04-04 1537.4
04-05 1542.4
04-06 1723.79
04-07 1786.33
04-08 2059.33
04-09 1963.69
04-10 2092.62
04-11 2107.07
04-12 2019.64
04-13 1883.71
04-14 1703.62
04-15 1733.23
04-16 1659.08
04-17 1588.83
04-18 1686.31
04-19 1656.31
04-20 1734.77
04-21 1823.0
04-22 1789.86
04-23 1843.43
04-24 1972.5
04-25 2087.69
04-26 2082.21
04-27 2153.23
04-28 2095.62
04-29 1945.07
04-30 1875.0
05-01 1970.73
05-02 1817.07
05-03 1830.71
05-04 2052.0
05-05 2249.8
05-06 2251.93
05-07 2308.5
05-08 2159.64
05-09 2136.33
05-10 2048.0
05-11 2027.87
05-12 1965.33
05-13 1969.53
05-14 2000.54
05-15 2204.58
05-16 2477.43
05-17 2340.0
05-18 2091.8
05-19 1970.87
05-20 1887.79
05-21 1861.57
05-22 1801.2
05-23 1813.0
05-24 1786.47
05-25 1633.6
05-26 1568.6
05-27 1574.73
05-28 1679.4
05-29 1686.67
05-30 1703.27
05-31 1565.87
06-01 1500.87
06-02 1503.27
06-03 1501.33
06-04 1370.21
06-05 1416.21
06-06 1567.71
06-07 1469.29
06-08 1439.64
06-09 1365.87
06-10 1430.33
06-11 1381.33
06-12 1333.21
06-13 1248.43
06-14 1233.43
06-15 1109.13
06-16 1182.13
06-17 1168.93
06-18 1105.53
06-19 1113.21
06-20 1093.71
06-21 1058.14
06-22 1026.57
06-23 1028.21
06-24 990.71
06-25 937.07
06-26 912.43
06-27 901.57
06-28 894.36
06-29 857.14
06-30 831.86
07-01 799.07
07-02 765.93
07-03 748.29
07-04 701.46
07-05 658.93
07-06 647.8
07-07 671.5
07-08 658.64
07-09 628.79
07-10 591.07
07-11 582.14
07-12 571.79
07-13 549.57
07-14 537.86
07-15 517.86
07-16 510.38
07-17 506.07
07-18 514.77
07-19 485.86
07-20 470.93
07-21 468.43
07-22 464.77
07-23 458.92
07-24 462.86
07-25 447.93
07-26 436.86
07-27 422.64
07-28 414.07
07-29 406.21
07-30 415.23
07-31 395.36
08-01 405.36
08-02 379.69
08-03 383.31
08-04 375.46
08-05 365.07
08-06 363.79
08-07 362.5
08-08 368.15
08-09 359.69
08-10 358.0
08-11 341.36
08-12 335.57
08-13 400.23
08-14 338.57
08-15 326.57
08-16 328.69
08-17 335.67
08-18 327.17
08-19 316.08
08-20 315.08
08-21 309.42
08-22 303.08
08-23 296.62
08-24 309.36
08-25 291.08
08-26 283.0
08-27 281.14
08-28 279.14
08-29 278.36
08-30 296.21
08-31 282.92
09-01 276.43
09-02 273.29
09-03 269.86
09-04 268.64
09-05 262.5
09-06 264.57
09-07 290.36
09-08 263.07
09-09 262.57
09-10 264.79
09-11 256.43
09-12 251.36
09-13 248.77
09-14 246.79
09-15 243.57
09-16 254.38
09-17 249.79
09-18 275.64
09-19 297.21
09-20 287.5
09-21 277.15
09-22 251.64
09-23 264.43
09-24 294.93
09-25 283.71
09-26 286.57
09-27 269.46
09-28 296.79
09-29 507.79
09-30 739.25
10-01 671.58
10-02 500.31
10-03 442.27
10-04 370.0
10-05 335.38
10-06 330.07
10-07 309.93
10-08 321.93
10-09 324.07
10-10 404.0
10-11 358.86
10-12 516.86
10-13 397.93
10-14 591.64
10-15 664.23
10-16 814.5
10-17 661.54
10-18 867.85
10-19 785.5
10-20 902.83
10-21 874.33
10-22 1458.67
10-23 1258.33
10-24 935.92
10-25 823.17
10-26 772.73
10-27 915.08
10-28 821.92
10-29 1099.23
10-30 1251.0
10-31 1475.92
11-01 1104.08
11-02 1163.86
11-03 1069.23
11-04 908.57
11-05 1649.15
11-06 1315.69
11-07 1618.0
11-08 1311.92
11-09 1058.0
11-10 998.62
11-11 921.38
11-12 1693.77
11-13 2034.83
11-14 1591.77
11-15 1440.25
11-16 1430.0
11-17 1111.0
11-18 1196.92
11-19 1345.92
11-20 2162.07
11-21 1704.86
11-22 1875.62
11-23 1821.62
11-24 1888.69
11-25 1594.54
11-26 2032.42
11-27 1620.23
11-28 1756.71
11-29 1930.57
11-30 1620.0
12-01 1478.33
12-02 1837.42
12-03 1490.54
12-04 1369.58
12-05 1956.67
12-06 3161.36
12-07 2061.17
12-08 2125.92
12-09 2353.75
12-10 2857.23
12-11 2170.0
12-12 1897.86
12-13 1436.62
12-14 1277.25
12-15 1100.85
12-16 1227.69
12-17 1471.27
12-18 1369.36
12-19 2792.18
12-20 1973.91
12-21 2689.31
12-22 2077.33
12-23 1740.08
12-24 1715.0
12-25 1577.36
12-26 1397.11
12-27 1238.4
12-28 1228.11
12-29 1644.3
12-30 1602.6
12-31 1511.1

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index