Country= U.S.A. Station= DAVIS DAM, NV-AZ. River= COLORADO RIVER Area= 38925654.32 Lat= 35.19 Lon= -114.57 Source= USGS PointID= 9423000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1905 Ending Year= 1995 Total Years= 91 Total Usable Years= 52 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1905 -9999 -9999 -9999 -9999 1341.55 2145.39 716.79 334.7 197.44 242.69 215.39 257.59 -9999 1906 136.67 166.42 347.11 893.68 1825.08 2698.89 1132.86 520.39 378.13 330.48 279.39 262.14 747.6 1907 231.04 306.29 474.54 898.31 1272.89 2430.83 2131.81 919.3 521.5 -9999 -9999 -9999 -9999 1908 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1909 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1910 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1911 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1912 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1913 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1914 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1915 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1916 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1917 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1918 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1919 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1920 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1921 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1922 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1923 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1924 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1925 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1926 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1927 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1928 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1929 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1930 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1931 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1932 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1933 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1934 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1935 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1936 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1937 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1938 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1939 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1940 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1941 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1942 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -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 593.74 567 468.42 462.7 474.9 476 542.18 541.59 482.23 573.83 -9999 1950 473.16 569.27 576.02 491.87 515.57 450.05 433.82 382.11 343.09 326.31 262.78 270.66 424.56 1951 270.5 279.93 365.93 403.61 335.57 437.32 460.84 416.52 360.29 367.39 287.63 352.15 361.47 1952 496 589.97 639.78 659.88 690.84 699.15 588.72 598.95 646.76 595.3 566.62 609.36 615.11 1953 565.7 548.84 459.56 425.23 465.04 476.76 514.55 498.74 406.92 309.97 255.8 315.25 436.86 1954 389.77 351.54 378.88 455.9 518.93 456.75 494.27 482.58 381.71 311.98 326.68 330.85 406.65 1955 354.97 327.26 386.76 411.63 406.94 459.96 470.7 381.37 357.17 254.18 196.04 140.03 345.58 1956 163.29 208.97 351.09 377.76 351.65 436.27 422.75 413.25 314.57 246.77 181.97 153.36 301.81 1957 140.25 218.01 329.03 395.21 337 424.09 450.42 401.92 344.83 269.99 420.93 489.24 351.74 1958 594.11 322.26 660.7 683.57 508.98 449.11 473.81 423.48 365.57 311.48 332.25 370.44 457.98 1959 346.53 315.15 375.45 456.94 373.98 438.16 482.49 416.63 368.22 298.41 223.01 218.29 359.44 1960 231.45 271.59 397.79 425.32 387.85 475.91 496.19 420.1 340.46 270.61 228.91 154.67 341.74 1961 225.39 283.67 427.97 399.08 407.31 464.3 444.67 368.65 349.68 235.08 183.13 119.47 325.7 1962 215.88 213.23 383.06 432.47 380.64 425.13 460.56 421.01 342.98 270.87 244.28 169.88 330 1963 222.4 278.92 393.39 391.5 381.76 464.02 473.62 425.58 334.68 251.61 205.87 178.62 333.5 1964 210.19 288.63 369.56 378.27 341.84 395.27 458.52 402.53 337.26 233.81 174.56 163.75 312.85 1965 181.09 254.76 370.32 310.63 370.69 410.36 466.08 452.06 345.29 239.81 141.78 83.22 302.17 1966 96.67 267.57 359.63 435.21 404.42 452.88 473.08 444.58 344.24 220.13 170.9 161.48 319.23 1967 196.87 280.87 391.08 377.84 379.81 420.32 431.33 406.07 285.22 244.74 166.44 103.27 306.99 1968 201.88 274.3 375.78 409.28 362.37 418.53 399.73 384.84 331.78 234.29 196.56 199.06 315.7 1969 159.3 298.71 392.14 406.92 359.87 388.6 411.69 406.21 286.74 250.39 155.28 195.89 309.31 1970 213.55 291.44 360.23 453.69 377.55 408.8 418.09 347.68 300.07 257.15 191.05 193.76 317.76 1971 206.55 305.69 424.92 422.61 359.95 404.18 460.29 342.63 310.19 232.62 198.9 202.08 322.55 1972 213.02 300.86 420.46 430.89 395.64 404.5 452.89 376.5 328.02 146.06 183.14 219.19 322.6 1973 224.96 210.23 326.62 449.49 381.51 390.3 440.74 385.92 359.8 274.74 200.77 206.5 320.97 1974 175.1 298.27 391.65 491.3 403.38 440.61 452.51 447.77 367.48 243.58 161.42 191.17 338.69 1975 205.33 268.09 368.19 441.12 406.45 371.03 424.19 408.58 346.14 244.74 186.61 193.58 322 1976 195.02 210.06 439.17 430.63 382.33 385.87 408.95 432.43 216.32 189.06 136.77 211.68 303.19 1977 140.1 319.46 386.76 460.53 363.83 435.14 503.04 362.8 261.04 215.73 194.13 196.8 319.95 1978 96.39 241.74 372.57 456.94 358.94 422.11 459.56 406.76 317.23 184.3 157.58 149.87 302 1979 82.03 193.88 286.94 416.6 422.01 437.03 479.38 424.94 379.16 264.07 199.88 181.8 313.98 1980 165.81 170.35 452.24 592.77 484.59 589.47 561.77 566.25 474.78 428.59 403.52 367.94 438.17 1981 235.85 264.32 378.33 479.78 374.09 464.3 483.86 450.37 300.51 180.89 149 153.09 326.2 1982 175.95 292.5 350.01 487.68 357.41 362.17 420.1 335.9 250.53 191.79 118.97 136.48 289.96 1983 519.21 223.69 266.65 552.46 574.65 828.46 1229.69 1148.67 1121.07 1052.57 815.53 719.43 754.34 1984 860.47 861.32 816.44 839.13 834.26 985.71 987.9 882.58 832.8 727.47 764.09 747.75 844.99 1985 710.3 792.88 647.91 618.44 710.03 781.74 794.61 796.99 682.25 523.5 513.01 586.16 679.82 1986 628.45 565.94 702.9 702.36 905.6 828.27 801.28 725.28 669.23 513.54 514.8 612.74 680.87 1987 649.74 594.35 502.67 478.93 426.95 459.68 477.1 480.84 399.93 322.59 201.51 325.49 443.32 1988 303.94 306.96 424.94 438.35 419.27 470.35 529.35 456.83 342.49 252.57 230.83 233.87 367.48 1989 178.99 287.51 434.53 517.07 426.78 467.7 520.39 466.32 364.63 279.45 202.92 205.29 362.63 1990 187.51 292.62 424.94 468.08 450.79 488.85 507.42 443.12 334.33 275.13 218.35 213.95 358.76 1991 174.63 262.34 314.81 423.34 426.67 463.45 492.44 429.69 320.44 288.18 230.51 141.47 330.66 1992 186.45 219.68 281.58 378.01 383.07 450.24 469.88 342.71 281.5 271.42 231.91 177.89 306.2 1993 72.56 49.78 158.44 427.78 398.72 413.24 428.77 381.06 308.26 264.98 217.62 283.17 283.7 1994 269.72 285.34 443.75 492.62 437.91 442.03 428.04 402.19 324.35 304.87 282.85 175.39 357.42 1995 153.63 245.65 356.66 438.54 396.16 412.48 392.24 411.42 332.25 -9999 -9999 -9999 -9999 Avg 277.67 318.15 419.05 487.27 500.95 595.77 555.77 469.08 387.03 312.24 266.75 268.73 391.61 Std Dev 178.31 151.31 117.28 127.15 279.86 481.8 283.79 157.81 157.3 154.83 149.92 161.81 136.38