Country= U.S.A. Station= WASH. River= SNAKE RIVER BLW ICE HARBOR DAM, Area= 280998.34 Lat= 46.25 Lon= -118.88 Source= USGS PointID= 13353000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1895 Ending Year= 1993 Total Years= 99 Total Usable Years= 91 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1895 61.4 60.49 106.94 234.35 606.17 413.81 267.17 94.67 50.16 57.31 44.91 36.94 169.53 1896 37.71 39.22 69.71 137.15 357.91 745.78 190.32 91.66 86.71 59.73 48.85 36.81 158.46 1897 28.32 33.98 56.63 182.2 1160.72 702.17 173.48 92.19 91.52 149 83.27 39.6 232.76 1898 28.32 29.73 72.95 218.02 379.27 481.86 227.39 63.74 49.4 42.6 38.97 36.74 139.08 1899 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1900 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1901 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1902 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1903 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1904 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1905 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1906 39.64 45.77 172.92 271.24 701.62 807.03 380.38 174.8 143.83 85.62 92.26 68.8 248.66 1907 69.09 107.43 191.29 395.97 698.61 1099.74 895.55 317.77 136.54 103.96 72.62 41.57 344.18 1908 36.81 43.43 101.17 186.32 329.66 511.59 290.48 192.95 95.75 101.5 61.14 22.69 164.46 1909 56.03 48.61 230.05 263.12 634.57 1311.36 714.41 290.96 282.03 111.36 84.42 36.56 338.62 1910 28.32 70.81 323.79 354.62 601.23 386.78 91.41 61.12 57.64 92.72 64.38 42.92 181.31 1911 66.01 97.44 177.91 155.21 332.14 548.88 239.46 82.85 55.93 107.68 63.56 46.51 164.47 1912 48.73 50.92 104.45 185.51 455.51 1065.57 460.74 194.37 102.63 103.51 99.27 43.15 242.86 1913 65.22 63.11 117.7 362.84 467.19 550.11 417.01 122.61 108.49 100.94 92.12 47.55 209.57 1914 55.22 74.77 182.13 356.47 807.67 1010.44 386.01 130.74 74.32 112.08 77.11 43.36 275.86 1915 42.48 50.02 85.93 210.65 311.15 441.93 174.41 58.76 88.3 111.5 80.25 53.2 142.38 1916 48.58 63.37 256.99 298.02 593.47 651.2 292.84 162.77 72.79 141.42 72.63 58.19 226.02 1917 36.63 59.16 94.88 337.83 742.54 1311.17 792.69 188.46 113.57 92.21 87.68 77.11 327.83 1918 66.59 69.38 115.59 183.34 390.01 822.51 325.11 92.77 72.83 104.34 85.32 59.92 198.98 1919 40.22 49.55 127.31 225.82 420.64 262.96 49.69 34.07 50.63 56.46 59.51 41.71 118.21 1920 49.51 68.85 112.28 185.01 756.73 964.38 289.4 128.38 71.85 73.83 93.81 53.69 237.31 1921 55.81 86.14 217.16 210.95 712.46 1321.08 304.5 155.79 97.26 66.44 69.75 61.7 279.92 1922 49.66 70.06 181.81 171.2 758.07 1059.72 243.39 115.29 81.7 58.38 73.26 60.37 243.58 1923 62.24 59.99 104 324.75 731.49 873.58 366.5 163.75 93.52 110.08 95.78 58.52 253.68 1924 40.9 81.22 93.61 320.3 449.67 356.51 102.72 41.72 42.46 48.37 58.12 33.38 139.08 1925 41.11 66.04 126.72 223.34 387.61 399.27 262.43 123.8 128.25 137.25 91.24 67.18 171.19 1926 53.72 64.41 158.62 290.79 516.38 371.54 163.29 91.42 44.61 54.48 48.95 47.72 158.83 1927 46.9 56.52 100.4 183.11 587.53 624.86 349.24 106.33 241.11 139.76 122.34 66.12 218.69 1928 79.34 77.16 182.14 187.93 865.4 599.09 205.02 104.57 59.33 101.01 80.68 44.91 215.55 1929 56.84 55.82 222.51 346.5 709.57 800.62 294.5 135.05 179.7 117.71 79.07 60.51 254.87 1930 35.48 117.9 112.75 290.38 334.93 494.89 156.11 233 107.46 111.18 70.26 52.76 176.43 1931 43.38 55.03 99.29 141.09 220.39 210.89 47.93 42.16 26.71 42.05 42.43 24.62 83 1932 36.48 44.98 116.88 233.75 637.97 592.67 308.83 109.4 63.84 53.76 64.42 35.81 191.57 1933 41.2 47.5 87.63 127.56 305.06 652.23 153.66 49.34 38.09 34.88 42.07 39.42 134.89 1934 46.03 60.86 61.03 82.89 131.17 60.26 18.27 20.16 17.08 20.32 26.47 26.27 47.57 1935 31.49 42.73 53.6 81.88 210.42 601.45 152.73 57.19 36.04 27.15 39.46 27.94 113.51 1936 30.69 44.62 64.8 212.93 605.25 500.12 175.02 146.12 64.87 54.41 62.13 37.3 166.52 1937 28.32 48.14 129.56 214.73 532.74 427.68 254.71 73.45 70.08 56.26 59.17 55.31 162.51 1938 46.53 63.82 121.12 222.63 516.75 640.06 224 79.87 141.08 107.87 81.41 70.76 192.99 1939 58.97 52.78 179.6 212.36 406.28 249.31 74.72 45.57 60.02 58.1 46.72 40.84 123.77 1940 37.59 47.54 91.51 120.64 323.84 234.23 49.17 22.78 38.55 69.78 53.88 44.06 94.46 1941 46.15 64.27 99.5 149.18 539.77 545.48 165.08 123.19 86.57 146.38 114.08 77.48 179.76 1942 51.63 62.48 121.73 408.11 451.15 604.66 190.96 70.03 43.16 54.17 58.82 53.66 180.88 1943 51.44 66.15 108.58 270.95 351.4 511.12 281.88 138.19 55.25 57.07 69.42 51.63 167.76 1944 38.72 54.81 116.23 251.59 425.69 662.05 272.33 65.77 34.67 52.87 56.67 40.73 172.68 1945 50.13 65.2 85.33 138.43 418.62 483.47 322.71 154.47 77.43 74.19 70.9 51.96 166.07 1946 56.63 59.62 108.55 251.35 356.99 355.18 121.43 70 49.8 68.53 81.05 70.9 137.5 1947 42.11 76.96 189.35 200.77 644.7 641.29 302.06 168.26 78.91 83.34 85.13 70.18 215.26 1948 64.86 67.21 144.34 265.45 488.48 453.09 123.4 63.16 32.82 42.47 49.26 44.66 153.27 1949 46.25 55.98 127.3 225.5 562.41 736.05 272.68 79.24 53 95.19 90.63 58.86 200.26 1950 64.86 75.88 164.09 295.03 472.63 745.59 338.12 113.2 70.88 70.57 79.06 78.7 214.05 1951 52.19 85.27 94.2 176.9 406.23 622.97 288.84 174.39 84.55 96.93 78.01 60.7 185.1 1952 61.93 69.09 73.66 469.98 960.95 860.74 236.88 145.11 87.66 59.36 58.31 59.37 261.92 1953 64.33 71.99 99.83 105.12 209.03 555.3 173.31 97.46 41.56 39.74 59.65 49.34 130.55 1954 49.4 70.42 77.92 128.47 294.57 178.86 159.23 55.11 63.81 63.82 57.06 36.68 102.95 1955 36.71 44.05 109.36 147.99 312.06 311.49 102.51 74.09 33.64 35.55 41.05 58.47 108.91 1956 71.19 49.15 144.7 218.93 458.19 574.55 135.26 77.88 34.46 35.21 47.18 36.57 156.94 1957 38.35 51.01 108.91 138.13 420.31 890.19 535.97 177.91 96.01 85.12 108.57 68.57 226.59 1958 58.8 93.63 113.41 205.67 603.67 558.59 103.17 50.74 45.57 41.95 48.53 52.61 164.7 1959 44.71 57.87 67.37 104.16 221.22 362.95 159.35 82.68 49.35 82.06 72.26 48.94 112.74 1960 43.8 50.08 147.52 253.96 253.78 324.79 78.39 31.75 27.95 44.31 50.06 37 111.95 1961 36.58 47.94 62.88 87.72 157.3 257.98 51.41 36.61 83.43 107.87 76.47 57.87 88.67 1962 52.71 205.53 184.65 520.09 621.51 511.22 275.4 81.31 46.64 57.89 44.93 33.36 219.6 1963 32.78 60.92 45.8 73.36 183.64 147.39 23.36 33.14 45.14 21.86 35.18 38.79 61.78 1964 50.05 55.97 59.1 90.37 291.85 344.94 158.29 90.47 66.4 90.19 95.28 122.9 126.32 1965 138.28 154.39 166.44 246.57 377.03 574.46 251.43 105.07 89.84 116.33 113.93 114.23 204 1966 83.5 84.49 181.16 185.49 260.44 154.83 67.42 67.46 74.9 87.13 75.67 67.35 115.82 1967 90.34 86.16 117.78 123.91 232.04 539.72 233.74 113.84 109.93 115.02 115.73 105.62 165.32 1968 114.55 96.46 111.21 130.77 326.3 593.71 196.02 159.09 114.5 106.19 105.2 96.18 179.18 1969 129.95 159.5 163.21 312.86 504.41 325.56 164.59 124.49 117.04 117.56 112.48 124.72 196.36 1970 87.96 89.34 89.15 118.26 399.1 484.88 193.55 97.63 85.36 80.32 75.75 66.66 155.66 1971 71.12 84.07 92.87 228.03 328.98 504.61 182.82 90.71 99.7 97.21 124.95 123 169.01 1972 125.33 149.07 148.55 154.03 292.6 396.73 113.51 92.81 58.79 139.3 162.02 127.65 163.37 1973 121.67 135.31 157.51 144.2 537.74 508.86 239.82 139.68 110.66 106.33 121.53 109.9 202.77 1974 106.38 76.64 138.21 169.66 542.96 424.53 123.75 88.6 82.37 105.34 110.89 94.32 171.97 1975 117.8 131.79 114.86 106.7 300.32 596.26 413.81 146.49 81.33 73.87 97.35 134.45 192.92 1976 119.1 122.65 135.19 147.4 352.36 312.93 129.55 95.04 88.06 98.7 104.33 103.96 150.77 1977 109.01 101.72 132.11 126.7 160 124.87 84.33 78.15 66.78 53.75 55.27 54.51 95.6 1978 58.03 63.62 114.26 178.04 315.94 511.22 222.43 79.73 66.04 64.84 87.47 81.6 153.6 1979 84.13 85.05 159.13 246.38 437.44 448.16 185.6 98.4 71.33 69.47 85.96 76.83 170.66 1980 95.04 150.1 123.41 166.64 479.11 481.53 143.58 65.68 87.07 85.96 92.02 80.3 170.87 1981 63.27 80.1 78.33 101.73 163.88 217.97 73.3 55.94 82.86 105.02 77.38 74.99 97.9 1982 64.7 108.89 125.12 170.1 387.78 427.21 222.12 106.08 126.99 218.06 181 153.37 190.95 1983 103.04 131.04 203.68 199.72 442.38 1074.63 626.17 265.92 170.02 206.54 176.8 152.56 312.71 1984 126.21 169.13 228.73 304.88 841.2 767.77 350.56 226.38 146.54 195.94 180.52 144.82 306.89 1985 162.5 151.23 228.76 360.57 570.91 392.17 183.11 103.49 104.16 121.06 108.27 107.11 216.11 1986 121.13 195.63 221.03 377.32 603.06 770.98 341.33 109.33 106.82 160.4 183.78 166.9 279.81 1987 137.36 157.89 146.15 186.17 306.87 176.05 87.31 85.69 75.57 87.01 113 95.35 137.87 1988 99.37 98.9 142.52 167.48 276.79 271.96 93.88 59.09 48.67 54.9 55.93 45.84 117.94 1989 52.24 57.95 112.85 133 163.4 152.37 45.75 55.58 38.51 58.84 63.13 45.06 81.56 1990 52.88 51.11 77.81 102.89 119.27 198.89 72.55 33.06 38.34 57.56 57.63 40.88 75.24 1991 57.18 62.74 77.6 85.85 209.4 260.14 84.53 72.48 75.81 67.02 77.18 62.43 99.36 1992 77 78.05 99.02 105.46 220.12 121.84 68.39 50.17 52.49 46.04 58.6 40.51 84.81 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 63.77 78.5 129.08 211 449.98 540.81 226.72 105.63 80.17 85.49 80.34 64.76 176.36 Std Dev 30.13 36.5 50.95 91.6 200.32 275.57 157.06 57.48 42.37 38.56 32.39 31.83 62.63