Country= U.S.A. Station= Ralston, OK River= Arkansas River Area= 141055.99 Lat= 36.5 Lon= -96.72 Source= USGS PointID= 7152500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1926 Ending Year= 1993 Total Years= 68 Total Usable Years= 67 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1926 40.86 31.53 34.42 121.28 64.49 212.75 84.26 58.5 249.97 701.88 82.37 87.06 147.45 1927 64.29 78.77 137.12 1055.79 270.77 362.29 106.22 887.46 197.78 299.69 90.24 59.9 300.86 1928 67 68.65 111.93 256.07 250.92 771.19 283.3 126.67 45.64 31.31 353.22 201.58 213.96 1929 236.11 111.67 200.47 610.4 764.16 674.1 453.07 81.67 47.74 37.07 75.17 50.21 278.49 1930 37.35 111.01 48.27 34.49 538.24 257.83 52.66 34.32 65.84 49.88 60.71 60.65 112.6 1931 35.98 34.24 37.49 138.66 150.72 235.06 38.62 33.67 17.18 17.57 200.31 85.9 85.45 1932 124.35 78.02 52.51 36.22 48.09 220.07 241 188.97 30.88 29.82 16.07 48.31 92.86 1933 25.68 19.99 59.67 70.52 86.84 24.96 15.47 170.33 210.65 48.82 28.42 33.22 66.21 1934 37.92 20.91 22.65 115.9 85.33 28.93 8.65 15.43 125.83 77.84 95.48 38.4 56.11 1935 27.05 23.55 63.83 63.67 710.04 798.42 180.2 48.39 94.11 43.34 59.56 77.53 182.47 1936 28.13 17.43 26.35 15.03 35.96 236.89 17.55 12 57.86 152.07 29.61 22.57 54.29 1937 42.96 67.16 51.58 49.57 77.73 414.15 143.04 79.58 150.95 42.63 20.34 20.32 96.67 1938 18.67 34.22 96.82 90.15 703.41 435.78 125.08 192.21 91.24 26.77 59.37 25.97 158.31 1939 28.98 28.94 30.39 127.51 72.14 100.43 125.68 54.58 16.05 8.81 8.12 9.08 50.89 1940 5.98 18.69 22.68 67.66 139.93 119.87 91.9 48.57 225.58 20.2 73.83 57.18 74.34 1941 58.82 88.95 55.47 289.81 392.82 465.9 166.3 57.85 128.69 745.34 356.96 151.99 246.57 1942 83.99 142.35 126.83 1028.45 488.33 800.21 268.23 227.47 324.31 269.31 120.98 156.34 336.4 1943 166.58 116.9 80.83 74.62 1024.86 224.65 102.48 39.63 33.09 76.91 36.2 38.37 167.93 1944 42.88 52.86 306.79 1147.83 601.61 339.79 157.52 109.78 142.26 296.47 111.55 439.51 312.4 1945 107.48 98.92 311.45 1086.29 334.12 266.51 330.9 72.82 317.36 672.04 77.4 60.38 311.31 1946 142.01 108.36 152.03 102.11 116.26 71.9 66.37 17.35 34.02 58.37 104.4 62.44 86.3 1947 48.79 40.13 147.12 987.06 685.85 333.07 205.02 51.38 26.36 16.33 19.09 41.11 216.78 1948 28.39 37.75 257.04 107.29 96.12 364.24 965.79 511.79 103.26 47.82 129.17 99.47 229.01 1949 357.72 840.68 361.65 260.38 1107.09 749.57 246.67 133.94 285.21 126.81 72.46 60.61 383.57 1950 74.82 68.7 61.68 47.87 174 159.8 536.68 931.01 291.16 131.14 68.82 63.52 217.43 1951 63.46 103.47 97.48 121.12 1213.49 1066.7 1604.11 230.93 512.08 189.79 228.89 129.92 463.45 1952 125.36 108.79 300.22 260.93 216.52 187.88 41.81 39.77 19.57 10.71 17.87 26.63 113 1953 31.31 33.8 71.49 80.22 79.36 74.26 117.34 53.75 20.27 14.16 40.53 37.84 54.53 1954 21.57 24.23 23.91 25.65 144.84 79.6 11.77 5.54 4.43 7.68 6.79 6.89 30.24 1955 11.09 14.8 18.42 15.42 480.31 379.67 105.1 29.6 14.98 420.67 26.49 19.89 128.04 1956 20.17 27.5 22.12 21.56 20.39 25.4 25.72 7.39 2.53 3.55 6.95 5.94 15.77 1957 6.07 8.8 11.53 411.93 1644.99 1730.26 769.24 102.32 191.6 96 108.77 78.4 429.99 1958 73.48 69.45 371.02 338.96 184.01 259.07 563.38 277.25 204.04 87.27 54.37 49.47 210.98 1959 49.37 61.01 61.79 134.87 275.82 136.72 521.5 125.56 331.63 1606.73 165.13 156.57 302.23 1960 169.14 321.24 405.62 323.3 370.82 384.37 310.85 334.54 195.17 183.86 174.6 113.55 273.92 1961 65.28 99.05 138.29 233.28 907.23 360.07 333.37 263.53 701.2 465.79 712.47 250.12 377.47 1962 159.47 279.28 142.22 120.53 74.77 461.84 252.26 157.57 204.79 123 69.72 88.69 177.85 1963 62.15 78.73 105.84 85.4 60.24 164.87 227.56 72.59 193.21 83.41 45.72 27.81 100.63 1964 37.32 46.08 36.85 77.3 130.12 108.49 28.41 87.09 114.35 13.89 547.77 229.36 121.42 1965 114.5 19.09 50.68 201.89 164.91 635.58 303.4 69.18 528.84 99.06 70.35 84.54 195.17 1966 58.22 129.44 80.99 50.27 77.4 73.48 49.26 51.57 65.5 66.01 37.31 20.92 63.36 1967 13.69 13.99 39.66 19.62 24.94 151.48 466.35 161.75 137.26 164.11 45.7 32.51 105.92 1968 49.83 62.7 110.33 201.09 245.02 245.96 86.34 171.88 129.51 156.9 150.48 172.31 148.53 1969 94.48 104.65 236.6 310.46 734.84 588.24 208 96.39 226.86 130.22 85.01 77.58 241.11 1970 73.56 66.02 39.61 551.45 267.53 212.32 197.31 37.73 34.53 68.86 73.31 45.62 138.99 1971 41.52 45.23 114.56 57.59 69.11 190.13 98.06 84.35 122.51 89.3 136.39 168.62 101.45 1972 105.08 54.48 42.95 43.09 80.92 75.45 81.68 55.19 61.24 46.55 96.92 85.31 69.07 1973 347.18 386.29 1057.58 1259.07 761.57 216.91 95.18 129.37 135.73 1385.26 329.64 347.1 537.57 1974 278.14 293.92 694.67 310.23 495.15 555.94 192.25 139.1 322.43 144.79 1115.41 242.64 398.72 1975 311.83 525.24 496.06 324.34 597.07 1102.31 249.43 123.57 100.41 49.42 58.09 47.05 332.07 1976 56.89 54.94 58.99 104.77 238.24 195.62 261.69 92.74 36.85 34.06 39.38 31.84 100.5 1977 32.71 14.67 13.88 19.84 251.49 440.38 248.89 191.94 365.91 124.39 141.3 53.64 158.25 1978 80.21 123.43 237.63 177.62 231.95 374.66 132.84 59.12 52.83 21.68 43.82 53.56 132.45 1979 39.91 65.16 392.77 429.9 336.89 241.88 193.18 194.13 209.57 39.3 536.25 204.2 240.26 1980 151.02 138.67 179.39 531.6 543.38 408.33 218.84 31.97 48.05 14.64 16.07 18.67 191.72 1981 22.09 20.17 18.93 15.76 73.15 161.73 109.5 71.77 87.27 49.71 325.41 111.42 88.91 1982 45.23 141.37 206.77 73.66 695.42 900.67 452.93 148.14 44.66 23.68 12.95 16.48 230.16 1983 63.81 109.12 185.92 826.61 526.98 379.67 347.45 39.91 36.62 157.75 112.63 59.69 237.18 1984 40.14 89.47 463.08 1013.71 364.7 247.61 143.27 74.49 56.29 23.67 24.57 146.74 223.98 1985 239.67 177.04 594.75 301.02 410.66 373.12 200 121.26 189.57 753.19 296.13 331.05 332.29 1986 199.05 106.83 111.76 144.85 326.09 298.93 224.03 102.28 98.1 2059.28 657.9 319 387.34 1987 271.22 550.87 1214.43 537.21 396.36 817.8 550.69 175.86 189.27 200.21 58.53 151.07 426.13 1988 422.97 216 552.61 826.67 222.03 88.79 82.7 47.16 91.4 59.17 50.11 60.63 226.69 1989 77.77 65.35 105.8 163.99 127.01 474.28 313.8 304.3 659.13 207.08 99.39 51.49 220.78 1990 148.99 148.22 595.66 638.64 350.45 200.64 132.82 59.51 44.65 20.93 26.11 18.68 198.78 1991 36.2 41.35 18.75 61.69 121.81 129.47 37.21 32.57 73.19 61.32 88.11 192.69 74.53 1992 163.3 83 82.83 89.24 88.06 381.34 372.27 458.56 209.11 28.02 258.08 476.51 224.19 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 95.63 111.39 188.98 291.36 352.92 361.94 238.42 138.78 154.93 203.18 142.41 102.9 198.57 Std Dev 92.27 139.19 232.96 329.64 323.45 300.23 247.47 167.03 147.18 369.41 191.86 101.15 117.66