Results
| Country: | U.S.A.
| | Station: | IMPERIAL DAM, CA-AZ. | | River: | COLORADO RIVER | | Area: | 38925662.09 | | Lat: | 32.88 | | Lon: | -114.47 | | Source: | USGS | | PointID: | 9429490 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1934 | | Ending Year: | 1995 | | Total Years: | 62 | | Total Usable Years: | 30 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
|---|
| 1934 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 29.24 | 32.5 | 68.9 | 53.92 | 69.96 | 105.58 | -9999 |
| 1935 | 140.83 | 130.29 | 191.95 | 180.41 | 202.73 | 415.03 | 284.61 | 234.03 | 235.32 | 235.52 | 244.56 | 131.28 | 218.88 |
| 1936 | 120.3 | 136.64 | 212.65 | 236.28 | 219.91 | 223.52 | 256.28 | 232.63 | 211.61 | 175.39 | 148.26 | 125.66 | 191.59 |
| 1937 | 122.53 | 212.55 | 221.09 | 227.94 | 216.52 | 219.2 | 256.6 | 250.72 | 226.06 | 204.6 | 174.4 | 163.01 | 207.94 |
| 1938 | 159.1 | 163.95 | 221.91 | 242.13 | 217.7 | 234.25 | 242.53 | 250.42 | 224.04 | 236.68 | 189.84 | 178.16 | 213.39 |
| 1939 | 254.91 | 624.29 | 301.76 | 253.37 | 228.66 | 234.38 | 252.75 | 258.02 | 402.36 | 296.55 | 298.57 | 303.71 | 309.11 |
| 1940 | 306.56 | 223.32 | 229.76 | 274 | 202.18 | 235.17 | 240.92 | 241.02 | 277.9 | 331.22 | 329.61 | 372.69 | 272.03 |
| 1941 | 295.78 | 273 | 342.05 | 267.53 | 529.44 | 763.71 | 444.39 | 548.8 | 687.06 | 693.13 | 795.05 | 925.69 | 547.14 |
| 1942 | 863.85 | 810.78 | 679.7 | 514.14 | 702.08 | 697.16 | 552 | 388.58 | 353.21 | -9999 | -9999 | -9999 | -9999 |
| 1943 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1944 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 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 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1962 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1963 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1964 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1965 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1966 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1967 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1968 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1969 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1970 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1971 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1972 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1973 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1974 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1975 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1976 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | 170.13 | 122.21 | 163.64 | -9999 |
| 1977 | 121.77 | 198.59 | 261.9 | 323.99 | 245.92 | 278.88 | 338.25 | 277.79 | 206.01 | 149.87 | 131.91 | 142.61 | 223.12 |
| 1978 | 78.69 | 173.39 | 253.51 | 332.06 | 259.53 | 280.67 | 326.19 | 305.63 | 238.49 | 164.3 | 130.35 | 131.32 | 222.84 |
| 1979 | 84.62 | 135.22 | 205.83 | 291.79 | 296.75 | 314.86 | 351.04 | 332.79 | 296.97 | 230.17 | 175.35 | 156.36 | 239.31 |
| 1980 | 145.89 | 168.94 | 394.9 | 465.91 | 396.53 | 438.72 | 490.89 | 454.26 | 411.07 | 376.71 | 346.13 | 321.35 | 367.61 |
| 1981 | 232.29 | 187.68 | 277.34 | 350.09 | 266.6 | 297.17 | 343.09 | 334.39 | 240.6 | 158.87 | 122.24 | 127.38 | 244.81 |
| 1982 | 152.44 | 192.78 | 248.25 | 336.74 | 246.38 | 236.41 | 271.72 | 258.76 | 197.55 | 168.99 | 117.4 | 109.55 | 211.41 |
| 1983 | 397.13 | 228.4 | 232.57 | 399.8 | 442.29 | 637.23 | 1025.17 | 1068.37 | 1019.13 | 1021.88 | 765.88 | 670.56 | 659.03 |
| 1984 | 759.63 | 776.57 | 740.26 | 720.29 | 695.32 | 811.19 | 849.42 | 790.41 | 730.2 | 691.21 | 679.51 | 700.53 | 745.38 |
| 1985 | 678.79 | 700.64 | 586.89 | 510.56 | 536.56 | 641.85 | 654.76 | 656.04 | 625.62 | 486.32 | 447.6 | 503.68 | 585.78 |
| 1986 | 582.23 | 487.36 | 588.99 | 565.96 | 724.37 | 723.5 | 633.39 | 589.18 | 564.17 | 485.86 | 447.79 | 500.48 | 574.44 |
| 1987 | 589.36 | 507.99 | 410.23 | 345 | 296.55 | 306.64 | 328.39 | 337.58 | 301.61 | 257.81 | 171.66 | 244.59 | 341.45 |
| 1988 | 275.37 | 229.63 | 291.73 | 307.91 | 278.9 | 288.91 | 327.25 | 329.49 | 238.92 | 194.7 | 167.38 | 160.53 | 257.56 |
| 1989 | 126.4 | 186.29 | 280.82 | 344.23 | 277.39 | 263.92 | 302.43 | 278.97 | 238.73 | 205.79 | 157.01 | 140.3 | 233.52 |
| 1990 | 139.94 | 192.65 | 260.74 | 313 | 288.11 | 292.04 | 308.43 | 279.17 | 236.59 | 203.16 | 166.08 | 152.03 | 236 |
| 1991 | 127.59 | 185.76 | 206.03 | 315.71 | 287.92 | 288.79 | 306.22 | 273.74 | 223.95 | 213.51 | 167.36 | 96.06 | 224.39 |
| 1992 | 126.39 | 152.52 | 212.24 | 256.87 | 237.95 | 253.33 | 282.3 | 230.97 | 198.25 | 195.54 | 166.08 | 110.13 | 201.88 |
| 1993 | 75.38 | 92.47 | 202.46 | 251.89 | 235.85 | 232.14 | 231.61 | 219.07 | 202.59 | 194.82 | 138.51 | 150.43 | 185.6 |
| 1994 | 150.1 | 179.33 | 274.68 | 330.83 | 276.26 | 288.52 | 288.91 | 264.44 | 228.56 | 207.62 | 160.56 | 125.97 | 231.31 |
| 1995 | 97.4 | 206.01 | 280.44 | 283.62 | 246.32 | 253.98 | 257.8 | 256.02 | 218.47 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 266.86 | 287.3 | 318.91 | 342.3 | 335.36 | 375.97 | 374.16 | 356.21 | 332.28 | 296.45 | 260.42 | 259.75 | 317.82 |
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| Std Dev | 222.31 |
206.07 |
149.43 |
117.53 |
157.29 |
188.72 |
201.23 |
203.52 |
205.02 |
207.88 |
196.26 |
212.74 |
161.09 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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