Results
| 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 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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| 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 |
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| 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 |
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| 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 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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