Country= U.S.A. Station= BLACKFOOT ID River= SNAKE RIVER Area= 29291.16 Lat= 43.12 Lon= -112.52 Source= USGS PointID= 13069500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1939 Ending Year= 1970 Total Years= 32 Total Usable Years= 16 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1939 188.77 538.86 691.76 448.4 265 285.95 186.07 419.16 188.47 121.05 106.19 135.37 297.92 1940 296.76 492.98 393.62 336.74 191.3 167.81 510.73 193.36 127.04 78.01 122.16 194.76 258.77 1941 234.58 199.83 284.47 216.88 120.07 78.29 208.22 158.36 93.65 68.75 58.52 302.21 168.65 1942 302.06 442.89 765.29 340.15 193.09 270.18 204.18 237.46 166.55 155.82 148 285.9 292.63 1943 798.81 422.33 1080.52 464.68 360.26 216.85 268.76 226.65 120.49 105.5 144.07 156.38 363.77 1944 323.67 411.48 952.55 1151.65 474.54 245.93 200.35 209.37 196.3 130.58 123.73 194.4 384.55 1945 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1946 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1947 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1948 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1949 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1950 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1951 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1952 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1953 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1954 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1955 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1956 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1957 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1958 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1959 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1960 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1961 201.53 754.99 715.96 933.33 388.74 273.11 304.72 231.73 172.65 112.49 141.04 562.31 399.38 1962 553.28 573.63 664.72 845.17 243.96 187.26 157.62 124.49 122.06 108.86 211.31 191.58 331.99 1963 436.28 418.96 278.53 309.39 337.22 256.62 206.7 161.48 151.98 101.86 147.48 301.71 259.02 1964 646.79 633.1 893.17 1202.42 744.21 227.15 335.43 363.24 230.36 562.82 339.93 640.45 568.26 1965 499.98 702.23 706.46 536.64 231.09 304.48 184.07 149.33 176.4 244.02 205.31 253.12 349.43 1966 529 849.05 962.81 326.81 444.01 298.89 215.25 284.29 198.73 206.25 391.08 318.68 418.74 1967 642.1 479.95 346.52 206.77 202.39 274.56 356.33 292.47 350.81 245.96 322.33 601.84 360.17 1968 573.41 285.03 509.32 344.78 244.36 196.46 149.46 189.09 158.37 129.97 189.71 234.11 267.01 1969 299.43 327.11 399.87 515.34 359.3 226.06 185.6 189.4 217.51 206 211.05 253.54 282.52 1970 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 435.1 502.16 643.04 545.28 319.97 233.97 244.9 228.66 178.09 171.86 190.79 308.42 333.52 Std Dev 180.59 171.79 254 317.12 149.74 57.53 93.15 78.73 59.11 117.88 90.53 156.15 89.25