Country= U.S.A. Station= Mannford, OK River= Cimarron River Area= 48816.02 Lat= 36.16 Lon= -96.39 Source= USGS PointID= 7164000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1951 Ending Year= 1989 Total Years= 39 Total Usable Years= 38 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1951 76.74 219.85 344.93 178.83 295.89 346.98 2091.35 258.51 564.07 187.11 439.19 273.88 439.78 1952 160.32 281.02 368.01 335.6 198.58 127.7 68.47 57.68 55.13 20.6 15.71 21.71 142.54 1953 20.15 21.39 74.44 199.77 162.34 35.42 30.88 30.21 20.89 9.64 8.43 7.62 51.76 1954 17.32 5.98 15.78 30.09 152.89 80.27 51.24 5.23 6.18 16.38 41.49 45.07 38.99 1955 99.89 66.4 97.77 84.9 85.1 116.56 191.37 59.99 75.19 104.72 34.82 59.35 89.67 1956 23.32 13.63 22.25 15.68 81.02 68.04 52.99 41.25 4.9 3.63 8.78 14.54 29.17 1957 13.8 66.39 60.02 382.1 1193 1364.22 641.12 69.66 81.64 31.28 47.47 49.74 333.37 1958 39.07 71.68 462.85 408.42 302.34 131.34 947.21 236.82 174.36 51.47 72.42 37.5 244.62 1959 26.79 111.57 195.15 62.01 212.68 70.55 348.05 153.56 105.77 967.86 341.23 180.59 231.32 1960 191.97 183.54 251.36 333.92 510.64 176.43 117.02 154.67 93.36 70.1 145.07 154.57 198.55 1961 39.43 72.6 206.24 334.64 1834.92 345.98 441.28 268.29 585.48 357.49 476.39 340.34 441.92 1962 233.74 320.89 201.31 192.83 50.88 275.08 112.87 81.98 297.37 436.02 174.01 96.47 206.12 1963 96.61 31.95 144.64 22.64 16.19 37.99 73.01 67.33 67.88 12.49 2.19 1.65 47.88 1964 1.45 3.6 4.99 25.13 16.4 421.28 113.62 75.57 94.07 17.38 100.41 37.21 75.93 1965 65.05 36.06 138.61 655.93 133.26 428.29 238.61 68.73 192.96 188.35 25.96 37.95 184.15 1966 98.73 148.3 78.46 100.61 195.69 78.15 55.38 104.06 68.83 23.17 14.18 27.3 82.74 1967 25.26 23.07 13.43 81.82 29.4 309.47 484.65 158.58 96.76 224.68 312.63 163.04 160.23 1968 150.98 465.85 363.52 415.96 237 324.29 204.28 222.6 68.68 80.14 291.03 353.97 264.86 1969 372.12 446.9 303.76 488.28 392.57 397.24 413.48 158.28 151.33 215 114.75 102.93 296.39 1970 64.26 41.72 77.9 303.54 871.38 459.68 110.43 49.35 193.39 272.67 174.53 96.8 226.3 1971 266.8 191.11 221 9.82 88.69 332.01 250.7 144.96 48.26 135.03 59.13 428.26 181.31 1972 201.53 64.89 68.81 70.49 235.78 24.71 157.73 69.05 99.32 119.04 817.7 300.66 185.81 1973 689.93 545.41 929.16 1377.81 1143.92 596.87 169.1 116.86 144.85 611.65 553.69 1144.65 668.66 1974 454.08 431.33 859.92 337.94 289.92 957.45 117.9 90.04 302.83 168.06 1174.23 454.99 469.89 1975 311.47 507.5 835.66 572.1 208.09 512.83 223.31 119.06 156.35 94.88 42.61 109.74 307.8 1976 142.63 37.18 144.17 274.95 275.6 234.79 791.46 96.23 86.71 46.21 16.66 30.32 181.41 1977 36.55 11.78 56.58 61.73 62.57 459.97 497.85 182.04 254.81 272.78 434.48 132.53 205.31 1978 68.25 131.31 499.48 812.6 455.36 266.4 115.97 71.38 78.16 25.32 36.66 32.93 216.15 1979 44.11 120.97 387.67 373.73 240.02 346.99 385.17 213.02 96.66 11.31 139.19 233.43 216.02 1980 60.34 134.43 202.83 391.72 107.34 66.01 69.04 52.92 48.54 4.77 6.02 7.1 95.92 1981 3.85 8.82 29.63 17.7 38.28 130.82 208.37 135.83 66.2 89.23 310.18 111.72 95.89 1982 135.86 464.1 294.38 134.49 256.24 733.52 271.19 83.7 29.22 16.62 32.65 188.49 220.04 1983 128.7 357.38 241.55 857.34 953.28 403.18 181.7 81.62 13.81 56.12 152.27 228.8 304.65 1984 78.86 115.3 691.57 1080.67 370.73 257.05 45.8 29.61 23.14 115.1 195.71 400.68 283.69 1985 718.35 399.12 1257.82 673.49 542.5 756.44 229.87 234.89 316.23 421.3 1226.6 946.88 643.62 1986 205.41 297.77 205.82 556.38 362.8 217.39 140.36 77.74 192.62 1986.06 554.08 324.59 426.75 1987 266.93 482.74 949.99 411.54 199.76 301.31 160.48 53.25 87.59 41.73 227.8 687.58 322.56 1988 685.5 232.29 442.11 944.37 109.81 36.07 63.71 31.03 59.24 84.15 176.72 146.8 250.98 1989 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 166.21 188.57 309.04 358.2 339.81 321.81 285.97 110.67 134.28 199.72 236.77 210.85 238.49 Std Dev 187.88 171.15 302.89 323.21 379.29 275.31 361.93 69.11 131.19 351.11 295.93 250.64 149.81