Country= U.S.A. Station= LAMAR, CO. River= ARKANSAS RIVER Area= 51227.16 Lat= 38.1 Lon= -102.62 Source= USGS PointID= 7133000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1922 Ending Year= 1993 Total Years= 72 Total Usable Years= 53 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 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 957.75 946.19 808.77 851.02 577.3 286.89 142.02 90.07 93.07 122.53 162.42 658.99 474.75 1942 698.97 892.39 438.27 714.72 499.75 296.8 133.91 87.26 92.81 126.24 180.96 318.63 373.39 1943 570.45 696.5 729.57 560.11 315.32 179.69 93.44 68.67 76.47 119.53 150.33 153.35 309.45 1944 172.62 278.07 206.77 104.88 137.15 98.5 84.45 89.56 87.03 78.84 176.92 249 146.98 1945 206.74 490.87 315.83 204.61 170.01 155.46 173.54 177.8 158.03 166.64 255.12 557.9 252.71 1946 732.31 325.95 274.8 261.34 202.17 171.37 182.03 179.16 154.61 157.09 203.84 267.62 259.36 1947 200.18 267.53 285.61 210.3 142.01 149.86 150.1 143.89 124.79 164.83 185.12 154.19 181.53 1948 302.81 159.62 268.24 586.79 556.47 382.88 201.98 233.55 206.15 179.76 192.16 216.46 290.57 1949 189.72 194.5 584.44 226.95 178.24 170.3 186.01 197.76 173.06 154.73 162.92 153.66 214.36 1950 286 377.42 245.34 191.72 167.19 165.05 186.15 179.33 156.2 167.81 306.85 740.69 264.15 1951 600.96 800.06 404.3 179.26 197.79 173.05 239.09 253.05 168.71 151.42 183.07 421.07 314.32 1952 782.28 878.9 712.86 652.05 502.22 271.76 229.49 214.01 193.9 160.07 167.91 566.18 444.3 1953 970.27 432.1 276.65 213.62 277.6 266.31 202.26 218.26 216.06 182.6 233.07 233.66 310.21 1954 529.29 854.36 566.34 499.79 265.06 206.28 240.4 246.35 196.37 170.08 251.35 378.35 367 1955 329.35 227.79 167.61 192.94 199.64 176.72 223.32 206.72 174.85 149.38 181.5 592.05 235.16 1956 1035.85 708.41 521.95 259.56 417.91 225.51 201.07 184.82 204.78 210.58 221.71 201.73 366.16 1957 176.59 257.7 623.67 203.21 353.41 219.43 189.01 178.98 190.5 341.01 349.71 411.76 291.25 1958 650.29 1153.61 799.27 843.94 496.46 306.25 223.77 260.53 254.51 230.02 222.47 203.74 470.41 1959 506.41 631.87 300.53 173.92 174.4 178.88 210.4 234.34 187.42 141.32 122.84 120.05 248.53 1960 179.99 488.97 336.93 163.63 197.06 191.05 212.19 202.56 160.13 146.74 188.19 293.04 230.04 1961 187.46 675.16 542.59 246.26 184.69 202.43 212.7 222.02 173.37 145.12 158.91 276.83 268.96 1962 171.68 554.44 429.89 198.63 185.32 197.42 200.91 210.68 173.63 298.11 211.32 430.43 271.87 1963 303.13 712.98 313.89 779.28 402.43 212.96 217.43 220.85 270.09 240.69 331.19 317.97 360.24 1964 358.61 320.61 187.6 169.15 180.12 207.81 248.17 249.03 222.53 151.17 227.41 484.48 250.56 1965 949.53 560.9 213.56 451.13 265.55 212.78 239.53 268.21 239.54 232.42 356.64 399.95 365.81 1966 647.27 478.15 334.82 262.67 230.95 240.61 297.41 281.67 210.25 202.82 338.83 692.76 351.52 1967 461.87 662.42 380.99 641.29 596.21 421.55 302.9 288.83 297.52 276.81 225.21 270.24 402.15 1968 378.92 659.88 513.18 232.88 212.93 212.72 279.02 284.2 250.95 221 231.86 447.42 327.08 1969 772.12 990.99 575.29 421.55 456 388.98 283.99 271.12 252.55 232.13 239.29 599.58 456.97 1970 995.57 933.25 526.33 240.18 216.3 222.18 231.54 192.14 202.96 203.88 404.33 896 438.72 1971 753.23 494.84 406.11 493.94 465.4 391.81 304.09 302.81 284.29 226.41 209.39 275.47 383.98 1972 284.84 303.36 463.4 279.07 259.69 256.28 265.92 208.76 190.08 199.46 394.31 448.1 296.11 1973 832.52 898.26 689.11 315.67 291.4 244.52 258.56 241.74 227.6 222.18 764.63 997.58 498.65 1974 1065.54 725.22 824.85 854.32 416.08 356.7 297.52 299.05 297.26 250.33 313.47 349.93 504.19 1975 275.64 710.5 860.47 489.98 486.96 365.1 268.07 265.63 240.16 265.35 329.7 352.87 409.2 1976 218.28 230.77 261.24 257.71 281.01 292.48 279 275.27 174.43 115.73 121.18 117.26 218.7 1977 194.42 173.39 165.71 163.29 185.76 176.8 215.97 174.52 122.4 91.16 145.83 264.75 172.83 1978 731.59 696.4 767.03 555.2 300.6 199.3 221.69 226.56 192.19 179.25 189.57 207.68 372.26 1979 314.57 437 355.77 250.28 228.76 201.16 278.25 185.78 137.02 158.29 227.45 323.92 258.19 1980 760.36 727.65 728.02 249.1 181.93 226.79 217.5 174.92 160.34 144.94 168.1 267.1 333.9 1981 361.23 364.12 435.59 295.22 239.74 220.13 267.3 259.9 152.7 132.85 446.53 827.95 333.61 1982 787.94 771.33 760.27 891.61 440.47 271.44 225.01 234.71 256.97 251.03 410.93 739.9 503.47 1983 595.44 1168.58 1258.55 733.13 755.52 530.38 372.41 337.43 287.58 311.88 647.5 1076.14 672.88 1984 709.66 366.95 393.39 241.2 215.98 208.94 276.87 250.66 218.26 210.85 507.92 512.81 342.79 1985 274.65 271.51 231.44 210.08 198.11 187.07 259.59 201.22 149.03 131.25 153.67 232.68 208.36 1986 300.17 990.59 973.28 256.17 213.17 199.99 201.07 179.05 184.53 204.51 214.9 228.7 345.51 1987 221.89 276.79 364.38 239 224.57 233.88 292.51 248.33 156.18 130.75 115.6 290.06 232.83 1988 439.02 193.9 182.75 292.61 240.48 210.41 262.47 244.03 166.92 149.83 193.45 215.94 232.65 1989 213.07 184.97 534.16 233.99 221.82 221.35 230.09 231.17 178.16 181.46 223.64 172.65 235.54 1990 251.35 175.21 196.13 192.26 217.86 199.57 196.57 211.98 165.51 123.81 124.18 134.92 182.45 1991 147.04 145.74 379.5 182.98 184.34 171.12 175.82 162.11 132.35 124.59 118.06 130.13 171.15 1992 168.89 458.42 359.95 189.82 142.53 137.38 143.65 155.53 159.2 111.4 109.3 224.47 196.71 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 484.74 545.71 470.71 361.62 295.19 236.42 225.54 215.51 188.38 181.59 249.09 386.52 320.09 Std Dev 279.65 281.23 236.36 220.71 141.88 80.34 54.47 56.01 52.76 56.55 129.16 231.15 106.07