Results
| Country: | U.S.A.
| | Station: | ANGOSTURA DAM SD | | River: | CHEYENNE R | | Area: | 23567.60 | | Lat: | 43.34 | | Lon: | -103.44 | | Source: | USGS | | PointID: | 6401500 | | Area Units: | km2 | | Discharge Units: | m3/sec | | Starting Year: | 1910 | | Ending Year: | 1993 | | Total Years: | 84 | | Total Usable Years: | 76 | |
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| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
|---|
| 1910 | 937.66 | 1243.52 | 1513.22 | 590.88 | 427.22 | 219.48 | 144.91 | 113.83 | 110.34 | 160.24 | 804.4 | 1219.73 | 623.79 |
| 1911 | 1202.65 | 775.99 | 560.49 | 554.64 | 680.25 | 386.3 | 190.14 | 119.06 | 169.27 | 179.37 | 836.11 | 597.49 | 520.98 |
| 1912 | 2173.38 | 1595.32 | 723 | 495.26 | 738.71 | 578.33 | 265.27 | 164.33 | 265.35 | 241.57 | 1138.15 | 813.52 | 766.02 |
| 1913 | 1572.32 | 676.17 | 790.96 | 1443.7 | 753.96 | 613.25 | 407.64 | 164.88 | 159.8 | 328.24 | 579.03 | 566.25 | 671.35 |
| 1914 | 1737.2 | 1094.96 | 1110.48 | 837.71 | 400 | 313.77 | 156.68 | 107.77 | 205.74 | 366.28 | 459.49 | 489.12 | 606.6 |
| 1915 | 962.41 | 793.58 | 562.69 | 474.52 | 590.16 | 348.53 | 170.69 | 114.19 | 99.16 | 110.06 | 1179.08 | 1799.68 | 600.4 |
| 1916 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1917 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1918 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1919 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1920 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1921 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1922 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
| 1923 | 2767.03 | 689.22 | 763.19 | 682.06 | 552.09 | 475.25 | 284.22 | 158.04 | 120.84 | 198.59 | 229.23 | 930.9 | 654.22 |
| 1924 | 706.65 | 1161.68 | 467.96 | 520.37 | 289.29 | 162.59 | 119.72 | 92.88 | 100.37 | 170.69 | 1849.01 | 826.31 | 538.96 |
| 1925 | 1835.22 | 2210.45 | 586.71 | 726.71 | 578.4 | 367.37 | 161.07 | 111.68 | 103.21 | 93.77 | 198.89 | 606.71 | 631.68 |
| 1926 | 504.86 | 1949.32 | 575.75 | 305.54 | 274.9 | 150.31 | 98.26 | 100.76 | 126.17 | 212.51 | 770.22 | 1158.8 | 518.95 |
| 1927 | 1448.92 | 2030.43 | 885.87 | 598.72 | 625.9 | 513.29 | 202.23 | 115.05 | 167.91 | 414.76 | 1275.96 | 970.45 | 770.79 |
| 1928 | 1351.63 | 623.85 | 1220.74 | 1365.92 | 560.77 | 202.39 | 128.59 | 103.3 | 101.71 | 119.29 | 265.84 | 538.02 | 548.5 |
| 1929 | 799.64 | 641.58 | 768.21 | 949.19 | 684.27 | 520.56 | 170.78 | 107.96 | 96.05 | 93.22 | 92.31 | 935.88 | 488.3 |
| 1930 | 425.39 | 1660.69 | 538.11 | 402.76 | 448.87 | 304.79 | 124.35 | 86.36 | 85.81 | 112.46 | 255.8 | 315.59 | 396.75 |
| 1931 | 545.04 | 412.72 | 880.29 | 1317.4 | 304.14 | 226.62 | 127.91 | 83.54 | 75.95 | 144.97 | 591.38 | 894.45 | 467.03 |
| 1932 | 1325.14 | 737.12 | 1900.16 | 1063.87 | 768.21 | 514.9 | 210.43 | 122.09 | 94.24 | 136.86 | 665.91 | 942.86 | 706.82 |
| 1933 | 1417.31 | 1040.45 | 1127.02 | 849.04 | 939.67 | 1057.83 | 335.11 | 144.35 | 168.72 | 166.73 | 275.32 | 1662.47 | 765.33 |
| 1934 | 1472.48 | 465.41 | 600.75 | 618.16 | 295.02 | 171.42 | 112.07 | 90.86 | 83.44 | 244.19 | 1048.45 | 1489.57 | 557.65 |
| 1935 | 1216.17 | 926.57 | 938.02 | 870.09 | 609.55 | 341.45 | 176.66 | 104.96 | 96.19 | 124.69 | 240.64 | 384.52 | 502.46 |
| 1936 | 2275.04 | 911.61 | 834.71 | 780.79 | 715.05 | 399.83 | 178.74 | 110.42 | 104.99 | 91.01 | 88.92 | 283.64 | 564.56 |
| 1937 | 306.53 | 1244.23 | 1148.39 | 1795.49 | 921.31 | 814.96 | 283.27 | 135.7 | 117.04 | 193.57 | 1305.84 | 1530.4 | 816.39 |
| 1938 | 1516.51 | 1393.1 | 1692.35 | 1077.65 | 684.27 | 296.65 | 146.34 | 102.85 | 98.01 | 106.36 | 448.94 | 701.11 | 688.68 |
| 1939 | 721.44 | 1205.6 | 1153.78 | 602.11 | 349.76 | 276.21 | 149.86 | 93.75 | 93.46 | 125.93 | 112.93 | 590.38 | 456.27 |
| 1940 | 616.8 | 1667.97 | 1229.14 | 630.53 | 356.44 | 143.42 | 93.05 | 75.13 | 88.84 | 121.64 | 535.44 | 806.58 | 530.42 |
| 1941 | 970.82 | 453.17 | 314.74 | 306.44 | 437.92 | 286.12 | 142.2 | 97.54 | 175.29 | 193.53 | 805.57 | 1717.29 | 491.72 |
| 1942 | 902.49 | 1016.28 | 519.48 | 372.56 | 572.92 | 456.38 | 209.81 | 115.28 | 98.83 | 95.28 | 1342.74 | 2315.42 | 668.12 |
| 1943 | 2089.34 | 1519.41 | 654.67 | 1209.32 | 543.78 | 596.54 | 261.74 | 154.48 | 129.82 | 304.63 | 555.15 | 501.56 | 710.04 |
| 1944 | 559.85 | 733.31 | 555.84 | 733.98 | 420.92 | 258.6 | 135.99 | 90.45 | 94.77 | 102.19 | 243.34 | 254.3 | 348.63 |
| 1945 | 886.41 | 1531.04 | 1131.4 | 1068.78 | 998.22 | 348.18 | 141.68 | 98.16 | 117.57 | 126.37 | 962.68 | 1593.61 | 750.34 |
| 1946 | 1861.07 | 1024.67 | 1316.19 | 642.7 | 539.67 | 379.54 | 206.23 | 117.76 | 124.64 | 275.74 | 1143.26 | 1817.86 | 787.44 |
| 1947 | 881.39 | 1162.41 | 869.24 | 974.39 | 323.33 | 391.16 | 210.77 | 141.95 | 122.55 | 947.01 | 1465.97 | 819.37 | 692.46 |
| 1948 | 1792.92 | 1286.86 | 1006.72 | 930.97 | 867.05 | 516.5 | 220.95 | 149.25 | 157.4 | 270.84 | 667.22 | 1701.58 | 797.36 |
| 1949 | 505.78 | 1839.8 | 1039.96 | 777.77 | 1038.41 | 373.75 | 181.63 | 121.7 | 137.54 | 219.05 | 376.08 | 757.53 | 614.08 |
| 1950 | 1623.39 | 1832.51 | 1664.67 | 1017.81 | 821.47 | 736.53 | 290.19 | 148.57 | 140.66 | 704.04 | 2039.86 | 1589.04 | 1050.73 |
| 1951 | 2030.51 | 1624.38 | 1100.98 | 717.74 | 620.87 | 264.42 | 155.59 | 124.54 | 124.42 | 608.31 | 815.41 | 1784.15 | 830.94 |
| 1952 | 1046.08 | 1621.78 | 970.72 | 922.76 | 666.82 | 428.15 | 318.14 | 151.13 | 143.68 | 125.23 | 113.08 | 476.94 | 582.04 |
| 1953 | 2601.6 | 2054.09 | 954.92 | 653.08 | 910.89 | 690.46 | 258.03 | 170.36 | 168.72 | 253.57 | 1060.84 | 2270.57 | 1003.93 |
| 1954 | 1756.93 | 1691.13 | 715.42 | 826.48 | 360.17 | 443.73 | 245.82 | 188.18 | 242.08 | 307.92 | 443.05 | 605.89 | 652.23 |
| 1955 | 978.58 | 608.21 | 802.83 | 1259.45 | 713.04 | 647.42 | 294.8 | 181.49 | 214.13 | 516.44 | 1419.72 | 3085.73 | 893.49 |
| 1956 | 2702.26 | 929.29 | 1235.17 | 941.07 | 794.79 | 563.04 | 252.97 | 177.83 | 206.48 | 348.5 | 685.08 | 1253.71 | 840.85 |
| 1957 | 559.85 | 942.75 | 1855.04 | 816.66 | 515.73 | 300.71 | 171.36 | 165.65 | 197.96 | 272.24 | 376.6 | 1574.43 | 645.75 |
| 1958 | 1654.53 | 2091.51 | 691.67 | 852.15 | 429.23 | 384.83 | 207.5 | 166.45 | 211.33 | 252.62 | 1180.77 | 879.29 | 750.16 |
| 1959 | 1769.45 | 1256.77 | 685.18 | 649.31 | 624.25 | 317.24 | 174.37 | 154.96 | 260.22 | 516.99 | 450.82 | 377.83 | 603.12 |
| 1960 | 504.09 | 1247.32 | 1297.38 | 1218.29 | 1084.18 | 439.32 | 179.66 | 168.35 | 185.72 | 267.45 | 1298.43 | 998.77 | 740.75 |
| 1961 | 739.44 | 2586.86 | 1746.61 | 617.5 | 670.2 | 319.59 | 181.78 | 165.46 | 186.96 | 309.62 | 769.46 | 1576.62 | 822.51 |
| 1962 | 797.72 | 627.83 | 1046.82 | 890.76 | 762.09 | 376.47 | 185.28 | 182.22 | 194.98 | 519.93 | 881.85 | 1068.28 | 627.85 |
| 1963 | 345.88 | 1185.88 | 628.82 | 1254.44 | 1093.4 | 279.95 | 219.89 | 172.11 | 200.41 | 313 | 1163.07 | 661.98 | 626.57 |
| 1964 | 1969.22 | 814.85 | 780.82 | 544.54 | 547.43 | 566.91 | 235.53 | 194.62 | 220.48 | 263.91 | 611.55 | 3304.05 | 837.83 |
| 1965 | 2716.33 | 1219.05 | 394.89 | 422.55 | 361.73 | 223.07 | 156.78 | 164.1 | 184 | 304.77 | 502.66 | 566.67 | 601.38 |
| 1966 | 1967.94 | 521.94 | 1085.82 | 594.47 | 377.53 | 193.93 | 153.32 | 151.28 | 217.87 | 311.7 | 903.39 | 1262.3 | 645.12 |
| 1967 | 1380.32 | 936.18 | 558.67 | 427.4 | 397.26 | 261.47 | 168.96 | 154.57 | 203.69 | 397.68 | 591.64 | 844.58 | 526.87 |
| 1968 | 981.23 | 1300.92 | 586.62 | 351.01 | 295.64 | 257.68 | 169.85 | 248.39 | 293.72 | 690.57 | 1480.13 | 1893.4 | 712.43 |
| 1969 | 1677.1 | 976.13 | 593.93 | 529.62 | 624.8 | 501.08 | 300.32 | 248.38 | 309.74 | 389.7 | 504.33 | 1190.14 | 653.77 |
| 1970 | 2050.79 | 1615.38 | 521.4 | 388.32 | 541.59 | 249.62 | 200.17 | 213.22 | 255.95 | 360.49 | 869.71 | 1319.94 | 715.55 |
| 1971 | 2183.24 | 1119.74 | 1292.72 | 943.43 | 681.62 | 550.67 | 267.4 | 270.15 | 359.29 | 458.92 | 953.91 | 2042.48 | 926.96 |
| 1972 | 1957.53 | 1443.39 | 2086.14 | 934.27 | 714.14 | 446.18 | 210.94 | 242.92 | 350.28 | 310.04 | 455.9 | 1068.73 | 851.71 |
| 1973 | 1066.09 | 363.97 | 459.01 | 370.5 | 218.06 | 185.16 | 171.54 | 186.32 | 227.88 | 386.6 | 1993.42 | 2433.07 | 671.8 |
| 1974 | 2220.6 | 1346.98 | 1453.48 | 1097 | 595.57 | 622.79 | 263.66 | 211.67 | 291.77 | 390.77 | 468.84 | 1270.7 | 852.82 |
| 1975 | 1699.48 | 1043.89 | 1105.19 | 565.11 | 652.39 | 389.98 | 244.57 | 234.81 | 333.91 | 509.25 | 947.11 | 1749.72 | 789.62 |
| 1976 | 1928.94 | 773.84 | 736.15 | 858.48 | 582.78 | 340.96 | 219.41 | 232.21 | 319.49 | 349.85 | 346.55 | 191.98 | 573.39 |
| 1977 | 180.57 | 150.44 | 461.29 | 290.46 | 446.26 | 268.49 | 172.36 | 190.87 | 267.87 | 369.46 | 1091.9 | 2598.95 | 540.74 |
| 1978 | 1380.86 | 746.05 | 327.04 | 403.32 | 390.23 | 233.65 | 170.39 | 200.34 | 377.72 | 349.3 | 368.69 | 987.9 | 494.62 |
| 1979 | 532.45 | 1191.22 | 862.21 | 775.04 | 644.71 | 217.97 | 185.43 | 185.94 | 258.87 | 406 | 663.28 | 1001.05 | 577.01 |
| 1980 | 1591.23 | 532.07 | 647.64 | 594.56 | 296.18 | 296.27 | 183.81 | 182.5 | 275.95 | 312.67 | 526.41 | 1728.52 | 597.32 |
| 1981 | 679.43 | 732.3 | 434.62 | 605.89 | 389.19 | 562.36 | 209.77 | 204.49 | 299.13 | 453.99 | 844.13 | 2505.96 | 660.11 |
| 1982 | 1648.42 | 1707.11 | 886.87 | 859.42 | 454.26 | 328.14 | 220.7 | 221.16 | 301.57 | 501.58 | 733.6 | 1939.71 | 816.88 |
| 1983 | 1403.79 | 1611.84 | 1184.11 | 897.18 | 527.98 | 365.1 | 351.4 | 247.88 | 353.49 | 374.61 | 1135.42 | 1552.14 | 833.74 |
| 1984 | 1108.47 | 1190.1 | 1014.84 | 861.31 | 844.03 | 875.28 | 263.99 | 195.72 | 345.16 | 508.88 | 1920.46 | 1188.77 | 859.75 |
| 1985 | 523.32 | 612.46 | 465.68 | 603.34 | 404.11 | 444.86 | 187.64 | 201.2 | 320.52 | 494.54 | 827.23 | 740.44 | 485.45 |
| 1986 | 1044.99 | 1780.43 | 1087.37 | 353.11 | 490.52 | 239.14 | 182.41 | 182.17 | 325.74 | 391.69 | 1089.26 | 897.19 | 672 |
| 1987 | 960.86 | 1061.69 | 641.43 | 343.56 | 228.04 | 180.63 | 176.36 | 174.94 | 216.04 | 224.71 | 239.11 | 1040.2 | 457.3 |
| 1988 | 1244.4 | 540.46 | 510.98 | 718.21 | 694.13 | 527.43 | 201.01 | 183.77 | 232.44 | 316.09 | 1087.09 | 767.94 | 585.33 |
| 1989 | 1265.31 | 682.14 | 1173.33 | 786.27 | 386.57 | 288.13 | 179.86 | 196.23 | 271.68 | 334.87 | 476.39 | 465.68 | 542.21 |
| 1990 | 1123.43 | 1076.86 | 651.11 | 507.11 | 502.07 | 464.99 | 186.47 | 190.52 | 231.84 | 381 | 962.78 | 855.81 | 594.5 |
| 1991 | 841.01 | 616.3 | 780 | 641.57 | 773.97 | 325.45 | 188.76 | 183.22 | 258.97 | 319.98 | 885.19 | 1127.93 | 578.53 |
| 1992 | 533.82 | 663.5 | 319.14 | 507.77 | 254.37 | 160.18 | 162.46 | 162.37 | 174.29 | 231.08 | 574.84 | 1122.08 | 405.49 |
| 1993 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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| Avg | 1306.04 | 1136.71 | 901.04 | 749.77 | 574.67 | 391.65 | 200.92 | 157.68 | 195.37 | 305.29 | 783.71 | 1189.4 | 657.69 |
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| Std Dev | 631.31 |
497.1 |
393.38 |
299.23 |
210.17 |
176.51 |
59.4 |
46.55 |
83.35 |
161.55 |
452.64 |
658.31 |
141.99 |
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| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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