Country= U.S.A. Station= River= NIOBRARA RAT CODY Area= 14425.44 Lat= 42.83 Lon= -101.29 Source= USGS PointID= 6459000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1907 Ending Year= 1993 Total Years= 87 Total Usable Years= 66 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1907 198.08 225.02 230.48 254.64 163.94 364.52 171.83 118.16 129.37 87.45 211.37 473.98 219.07 1908 552.27 583.89 446.34 217.71 183.04 180.12 269.37 866.39 218.07 359 253.7 352.14 373.5 1909 253.32 303.38 264.93 201.99 453.94 552.07 208.71 347.01 130.64 104.3 98 124.86 253.6 1910 198.29 286.78 271.02 130.78 143.66 291.47 163.68 126.89 188.2 147.63 81.65 119.11 179.1 1911 212.83 171.59 180.95 258.49 107.29 89.68 72.56 84.39 135.78 176.33 173.23 325.96 165.76 1912 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1913 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1914 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1915 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 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 -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 168.76 226.64 189.65 386.63 321.95 217.43 165.28 543.03 1010.57 209.66 121.84 130.13 307.63 1929 169.37 450.4 934.83 290.13 280.25 242.2 196.28 163.39 156.53 665.66 361.85 319.12 352.5 1930 309.96 315.24 215.67 159.92 177.54 110.96 144.7 117.88 94.27 47.25 70.15 165.09 160.72 1931 187.02 117.43 127.12 283.42 312.88 104.6 131.6 299.96 79.37 83.75 76.49 209.84 167.79 1932 393.74 279.03 333.7 181.19 147.86 200.56 133.21 90.18 80.33 302.26 346.76 574.86 255.31 1933 320.95 310.03 287.58 214.15 175.39 95.83 89.02 121.75 97.3 94.93 81.55 79.23 163.98 1934 76.11 104.88 158 315.61 134.59 265.49 123.21 127.25 221.36 145.91 150.75 276.57 174.98 1935 331.79 288.31 458.34 395.99 192.08 111.41 143.81 116.76 182.01 106.61 145.38 150.39 218.57 1936 777.67 609.68 550.18 887.5 137.83 126.8 120.94 160.79 138.4 411.88 156.77 283.4 363.49 1937 885.58 425.79 262.27 371.06 217.91 177.31 147.2 166.71 152.57 244.41 171.92 191.43 284.51 1938 212.37 165.71 187.13 215.89 106.04 164.78 271.91 163.15 128.69 97.03 116.11 159.6 165.7 1939 194.48 655.82 465.3 194.53 151.42 141.47 184.1 316.79 140.81 111.71 84.02 74.74 226.27 1940 139.49 215.89 168.29 171.12 116.72 104.45 109.21 320.66 160.51 108.86 149.77 142.82 158.98 1941 157.49 131.89 177.34 218.91 116.2 123.43 283.84 96.68 91.4 90.15 58.53 87.13 136.08 1942 90.2 207.87 414.49 164.25 239.11 221.78 141.26 137.46 215 139.38 102.7 167.99 186.79 1943 425.98 346.4 378.95 293.28 200.79 149.89 389.43 112.89 84.35 63.79 70.63 114.21 219.22 1944 239.51 395.23 623.6 465.45 166.64 124.91 194.52 159.03 93.47 321.89 139.97 217.02 261.77 1945 238.97 372.38 249.55 181.69 162.57 120.41 147.77 151.28 893.87 140.6 147.36 405.64 267.67 1946 455.36 458.35 218.58 182.75 240.4 172.54 189.71 164.19 89.23 127.95 103.61 118.65 210.11 1947 382.93 185.24 275.41 236.26 103.07 140.55 156.01 112.17 126.34 160.05 445.83 208.96 211.07 1948 261.67 611.39 422.18 413.44 191.89 188.3 134.56 169.37 124.39 109.16 384.6 430.61 286.8 1949 378.08 351.97 228.24 278.62 414.38 148.74 243.94 358.83 242.05 150.11 268.12 189.36 271.04 1950 183.67 183.78 244.67 164.42 270.99 186.62 159.24 127 145.34 117.56 112.16 115.17 167.55 1951 130.38 168.21 211.83 305.23 132.4 99.48 92.99 96.84 53.37 51.04 58.29 234.05 136.18 1952 239.53 356.16 783.59 239.72 203.14 117.48 66.6 186.65 260.86 75.04 82.32 99.73 225.9 1953 304.7 515.47 499.73 226.36 133.6 122.25 94.97 75.73 90.09 36.62 45.52 179.16 193.68 1954 535.27 186.75 309.72 281.36 114.48 88 99.03 41.23 28.54 118.05 95.14 187.69 173.77 1955 159.22 307.83 203.7 305.44 141.88 102.99 108.64 131.59 68.76 114.44 89.49 89.47 151.95 1956 70.07 236.54 262.37 185.79 188.33 81.44 91.52 77.46 106.21 102.83 112.4 151.58 138.88 1957 165.74 293.78 310.48 329.71 145.5 227.07 105.62 89.9 143.35 155.84 456.6 297.58 226.76 1958 366.88 321.4 311.45 651.06 442.49 157.91 161.71 137.24 116.46 94.68 81.96 125.82 247.42 1959 167.06 291.41 227.66 410.29 154.56 141.64 206.42 227.78 260.98 519.51 210.46 244.49 255.19 1960 376.35 1020.58 543.2 579.95 255.75 176.72 125.15 163.36 147.82 119.53 100.42 108.87 309.81 1961 122.77 445.39 377.75 407.78 216.27 181.12 148.36 150.65 157.34 47.77 67.88 197.53 210.05 1962 491.04 425.51 415.73 485.47 142.76 285.82 158.54 91.1 104.11 95.6 207.25 238.23 261.76 1963 313.27 316.21 628.95 177.41 148.2 106.69 92.82 79.27 78.06 62.61 88.87 143.38 186.31 1964 345.21 406.47 327.97 381.17 132.54 106.01 150.08 223.05 182 613.29 155.68 312.84 278.03 1965 253.88 391.52 600.41 272.95 171.03 220.5 244.98 130.56 109.2 107.66 114.52 91.19 225.7 1966 128.1 458.31 474.19 119.6 122.84 103.23 72.9 81.99 93.78 98.73 96.03 103 162.73 1967 158.15 222.19 166.4 84.97 97.18 76.95 74.69 200.38 94.23 69.83 77.32 251.37 131.14 1968 468.45 192.45 302.79 141.3 139.12 179.35 104.88 89.76 50.94 106.59 142.63 113.34 169.3 1969 171.94 447.83 334.24 271.55 102.99 164.19 117.41 134.31 96.67 115.69 64.9 164.89 182.22 1970 174.41 301.26 209.03 240.11 147.55 88.01 96.62 397.48 105.35 95.57 188.72 121.71 180.49 1971 276.36 464.52 440.38 197.26 403.06 187.46 136.56 206.74 140.65 471.07 282.62 288.02 291.23 1972 352.64 414.27 225.34 247.74 367.93 430.65 165.12 103.67 90.81 106.75 180.97 480.51 263.87 1973 360.98 599.04 533.91 694.52 315.32 302.3 223.7 211.76 107.53 105.44 120.73 229.38 317.05 1974 467.87 493.02 266.84 459.43 301.85 176.97 146.91 240.97 243.2 127.64 95.88 325.23 278.82 1975 561.31 439.92 847.36 365.45 405.72 339.5 475.38 134.27 295.21 216.41 205.13 206.42 374.34 1976 329.23 241.2 202.09 157.65 134.35 316.03 130.46 61.01 74.12 350.43 165.26 490.06 220.99 1977 305.3 152.68 519.91 349.37 95.74 89.67 65.37 78.24 188.19 216.71 322.79 278.69 221.89 1978 791.76 263.86 398.25 265.99 407.2 183.85 160.71 191.25 117.35 80.39 98.31 158.84 259.81 1979 446.2 745.9 591.92 416.63 309.31 369.38 173.77 117.58 415.92 298.49 355.37 198.85 369.94 1980 410.7 294.73 642.38 479.93 270.21 134.3 121.14 78.81 86.33 96.55 103.73 97.33 234.68 1981 81.22 221.1 116.59 76.22 61.45 159.28 121.58 106.25 109.51 92.86 67.72 141.17 112.91 1982 434.77 458.45 289.24 174.73 225.05 389.89 149.24 100.01 68.51 113.11 141.58 311.22 237.98 1983 243.32 558.07 587.81 580.22 233.71 148 81.39 76.31 75.97 68.68 107.96 469.82 269.27 1984 468.03 572.44 601.6 496.96 345.27 194.68 350.52 227.33 85.01 84.55 93.05 107.35 302.23 1985 153.3 413.33 129.6 84.06 119.88 118.29 100.35 353.37 111.94 90.29 353.48 296.57 193.71 1986 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1987 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1988 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1989 146.67 285.41 658.67 275.13 397.29 187.57 226.08 166.01 222.9 567.1 194.24 349.95 306.42 1990 379.46 665.96 413.25 297.4 422.34 166.58 95.13 96.41 85.83 732 246.53 264.4 322.11 1991 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1992 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 303.81 362.6 368.17 299.17 211.98 182.15 157.3 172.25 160.27 177.61 159.33 220.89 231.29 Std Dev 169.78 169.73 183.75 152.96 102.6 92.99 75.4 126.52 156.18 156.15 98.96 116.81 64.97