Country= U.S.A. Station= PARKER, AZ River= BILL WILLIAMS RIVER Area= 38925921.07 Lat= 34.26 Lon= -114.02 Source= USGS PointID= 9426620 Area Units= km2 Discharge Units= m3/sec Starting Year= 1922 Ending Year= 1995 Total Years= 74 Total Usable Years= 73 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1922 160.7 222.85 416.86 551.14 2048.32 2439.04 662.28 324.21 200.12 133.03 189.76 182.62 627.58 1923 171.6 172.59 205.75 606.73 1661.84 2170.12 1070.38 620.96 418.07 334.6 307.16 193.98 661.15 1924 142.39 248.28 232.77 777.85 1406.81 1487.68 458.76 137.28 114.16 164.06 185.49 125.54 456.76 1925 119.11 204.14 277.17 615.52 978.49 1135.32 661.52 335.79 506.02 460.47 288.79 204.7 482.25 1926 164.86 178.58 294.46 750.78 1545.56 1633.23 636.49 246.33 140.22 196.89 157.87 173.62 509.91 1927 153.98 196.68 276.82 577.19 1778.86 1733.57 1107.65 426.26 967.88 430.69 349.24 202.57 683.45 1928 214.95 226.38 345.71 468.17 1998.72 1762.17 703.18 286.66 164.01 278.73 269.79 157.24 572.98 1929 151.3 174.78 423.46 796.56 1874.31 2286.69 923.5 870.7 779.85 424.39 265.85 200.66 764.34 1930 135.76 245.42 262.01 811.34 910.16 1459.74 488.42 673.03 247.6 252.34 201.14 132.2 484.93 1931 120.73 185.93 196.43 268.42 532.18 658.75 205.99 113.16 127.49 229.87 166.95 115.15 243.42 1932 124.72 273.27 309.26 779 1830.83 1721.39 926.15 426.38 230.96 153.95 179.59 124.89 590.03 1933 124.38 128.78 229.05 235.68 660.88 1890.35 512.51 155.29 177.61 172.25 141.07 145.83 381.14 1934 140.98 153.41 153.32 215.77 504.96 242.7 60.11 58.57 63.22 69.96 85.14 104.69 154.4 1935 116.78 138.94 155.4 310.25 645.44 1905.07 677.51 239.65 202.16 159.65 151.63 121.78 402.02 1936 119.9 154.85 210.77 630.28 1653.8 1260.39 461.99 398.02 257.55 159.65 210.12 144.75 471.84 1937 90.85 209.22 321.51 719.73 1600.37 1119.28 607.54 184.31 192 208.36 179.13 176.17 467.37 1938 146.16 176.51 361.38 766.4 1545.47 2220.52 792.88 231 428.07 259.03 223.08 184.46 611.25 1939 156.66 149.47 368.39 549.07 1146.75 792.4 192.62 101.37 260.55 148.9 146.3 128.91 345.12 1940 117.5 145.22 198.6 323.83 931.26 707.92 180.4 82.27 191.69 315.36 190.93 164.76 295.81 1941 160.39 215.63 307.85 519.33 2290.75 1905.55 767.39 367.36 289.37 827.59 429.61 265.14 695.5 1942 187.3 202.08 290.18 1353.55 1477.78 1999.56 606.44 208.97 130.99 153.94 175.31 164.49 579.22 1943 151.75 169.45 237.78 689.92 994.02 1298.81 657.96 365.11 212.89 173.84 217.2 181.87 445.88 1944 128.26 169.32 234.44 488.58 1496.96 1968.13 820.64 192.17 108.84 157.29 182.49 147.44 507.88 1945 149.74 179.22 201.22 359.21 1291.71 1313.72 768.12 465.71 176.2 232.67 210.94 154.96 458.62 1946 168.52 162.72 228.24 482.26 797.72 948.24 336.24 220.34 147.37 185.41 222.05 204.73 341.99 1947 127.68 181.86 301.35 371.27 1437.32 1558.57 887.14 554.1 277.96 376.84 278.54 214.48 547.26 1948 187.07 225.38 297.04 810.24 1614.98 1589.15 451.11 244.7 109.44 152.24 193.96 159.69 502.92 1949 155.31 183.98 325.28 622.12 1426.81 2103.01 984.06 265.18 149.16 234.41 225 169.46 570.31 1950 161.1 203.25 299.25 578.99 907.51 1417.45 634.29 194.21 157.04 157.3 166.48 191.16 422.34 1951 145.19 183.84 192.32 252.73 757.71 1373.56 624.8 362.39 195.43 189.77 211.78 153.55 386.92 1952 219.22 186.71 202.51 1078.59 2339.81 2470.85 724.46 378.17 257.89 169.7 183.91 174.29 698.84 1953 181.33 186.28 210.77 251.7 482.39 1423.68 437.49 304.5 122.76 147.68 196.96 156.99 341.88 1954 146.68 174.29 180.88 259.98 587.99 376.88 298.14 147.85 185.02 235.91 165.98 128.24 240.65 1955 112.39 124.04 267 293.87 722.91 754.93 262.79 234.7 109.31 98.39 131.16 150.35 271.82 1956 171.73 138.07 235.2 427.4 1008.63 1234.34 256.37 163.85 79.03 85.9 142.86 113.71 338.09 1957 131.03 164.9 229.59 393.84 1183.1 2686.25 1849.1 738.89 391.35 344.45 403.51 237.88 729.49 1958 182.84 273.23 320.56 748.98 1838.23 1750.27 289.25 131.8 152.01 142.99 169.97 168.66 514.07 1959 144.86 160.75 158.36 199.74 471.86 873.67 360.21 195.73 117.03 231.21 237.67 162 276.09 1960 140.46 156.79 343.09 766.07 720.44 1065.47 297.84 95.74 91.9 156.89 164.38 126.49 343.8 1961 122.36 168.6 166.67 269.88 531.03 755.88 169.85 155.02 338.22 333.88 250.75 175.04 286.43 1962 160.57 403.21 275.44 1137.68 1673.08 1368.56 790.87 216.02 149.89 248.42 203.71 153.19 565.05 1963 77.8 188.07 86.49 28.79 28.61 66.83 41.28 28.46 28.5 28.32 28.33 28.88 55.03 1964 32.66 113.5 178.83 366.71 146.85 28.36 27.67 80.3 74.48 123.65 165.37 183.09 126.79 1965 257.08 262.38 256.14 581.61 1051.66 1105.68 334.87 401.01 357.12 303.59 280.44 244.58 453.01 1966 207.76 246.35 286.32 392.76 450.24 358.81 302.8 314.02 296.18 254.13 277.7 243.43 302.54 1967 282.91 272.46 317.83 374.89 404.62 332.28 295.26 318.9 283.81 191 218.77 254.29 295.58 1968 291.61 228.4 394.96 460.62 434.16 425.7 380.96 315.53 302.13 287.88 301.64 293.57 343.1 1969 262.33 234.93 326.24 414.27 351.45 416.54 440.1 428.13 377.8 290.06 336.15 375.1 354.43 1970 325.28 226.89 223.89 448.35 414.25 380.72 353.94 355.93 333.59 229.4 213.62 308.78 317.89 1971 226.34 212.16 294.9 480.96 426.31 425.59 434.07 403.53 369.22 269.1 363.54 431.47 361.43 1972 371.08 218.81 173.85 372.3 415.35 410.54 421.23 463.05 442.97 290.7 319.43 468.28 363.97 1973 555.73 389.48 504.33 798.35 298.35 357.22 302.18 260.94 201.89 234.8 196.27 153.39 354.41 1974 389.6 152.56 178.91 235.34 370.01 434.82 564.79 558.48 393.22 277.44 337.97 259.79 346.08 1975 353.8 283.34 233.77 218.36 410.82 469.83 562.23 470.43 459.85 293.3 202.25 239.54 349.79 1976 318.64 365.31 311.31 314.17 481.75 359.88 352.7 331.59 400.55 364.65 427.11 373.18 366.74 1977 457.8 240.15 211.12 77.9 94.66 221.67 390.26 542.41 464.95 174.6 185.59 379.21 286.69 1978 436.41 306.63 266.76 234.26 298.17 360.74 323.15 490.43 460.91 315.21 319.43 409.43 351.79 1979 469.01 380.5 94.12 162.48 238.26 292.31 395.85 489.9 326.63 284.53 381.62 293.51 317.39 1980 278.21 302.88 278.94 410.73 389.34 700.54 729.94 588.81 466.95 357.84 445.39 352.46 441.84 1981 343.3 326.48 213.04 224.92 254.62 250.78 389.43 415.99 317.47 280.32 278.26 385.85 306.71 1982 410.89 345.26 234.26 292.02 283.78 301.78 366.95 422.3 293.78 364.88 463.93 449.61 352.45 1983 420.75 438.75 304.18 452.69 579.68 1576.97 1551.77 844.3 756.06 725.83 673.76 663.71 749.04 1984 662.34 680.98 679.06 710.76 1173.79 1208.85 1016.4 720.07 674.42 615.31 701.32 689.84 794.43 1985 711.67 757.28 573.28 582.76 974.47 1138.72 806.58 752.32 662.71 331.45 337.06 310 661.53 1986 459.2 586.87 702.44 824.78 1269.52 992.32 612.65 715.78 767.96 531.17 596.64 708.47 730.65 1987 743.91 579.18 386.21 380.16 350.91 469.91 502.12 590.18 463.08 238.74 341.45 366.41 451.02 1988 378.63 385.31 318.22 267.77 255.96 250.64 327.93 355.06 327.45 235.44 284.71 288.62 306.31 1989 336.95 330.45 270.52 257.32 242.99 350.89 373.31 398.86 378.21 252.22 276.45 296.72 313.74 1990 317.7 302.41 294.86 278.7 289.79 357.45 364.51 448.55 339.21 209.17 236.47 268.33 308.93 1991 311.51 300.83 271.88 264.3 354.14 380.26 427.63 409.23 376.09 248.51 274.28 313.41 327.67 1992 361.35 314.6 273.25 271.57 269.1 315.41 390.87 386.21 325.13 246.71 277.92 312.57 312.06 1993 361 325.59 275.26 281.9 273.01 292 412.79 427.22 314.63 245.33 292.11 366.48 322.28 1994 368.68 353.74 285.18 297.91 281.55 301 393.7 402.28 301.88 231.4 239.26 313.45 314.17 1995 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 245.08 252.76 280.06 477.67 888.57 1043.81 536.91 359.51 300.78 259.12 259.28 243.34 428.91 Std Dev 148.49 122.87 106.73 250.54 601.28 697.12 312.14 190.59 184.47 133.19 117.98 131.32 158.11