Country= U.S.A. Station= GRAND ISLAND, NEBR. River= PLATTE RIVER Area= 152282.97 Lat= 40.87 Lon= -98.28 Source= USGS PointID= 6770500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1913 Ending Year= 1994 Total Years= 82 Total Usable Years= 81 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1913 14.12 8.55 11.3 378.21 90.04 49.73 37.88 27.09 34.25 33.63 38.31 28.04 62.6 1914 15.18 14.18 22.33 117.42 91.92 124.99 98.76 39.06 37.77 39.02 39.51 28.5 55.72 1915 25.32 24.57 28.11 144.42 106 142.16 372.23 83.44 50.89 51.43 45.36 32.46 92.2 1916 25.38 22.35 26.08 819.47 587.35 224.72 303.99 144.61 119.5 90.92 79.39 56.52 208.36 1917 35.62 29.54 32.24 396.32 163.75 73.19 41.53 18.23 13.18 19.22 25.5 16.05 72.03 1918 6.75 6.28 30.35 68.75 51.26 65.01 28.06 20.67 18.85 11.57 19.12 16.35 28.59 1919 13.3 11.99 16.84 218.64 112.17 60.82 220.56 103.22 43.19 32.99 22.62 20.57 73.08 1920 23 25.57 82.86 519.78 119.39 137.71 95.09 43.7 32.11 34.26 35.13 28.75 98.11 1921 22.97 22.15 32.27 181.02 73.91 78.22 50.47 24.94 23.76 23.68 20.43 18.69 47.71 1922 13.23 10.74 55.98 360.8 226.85 95.57 42.3 18.14 16.93 14.17 20.67 10.63 73.83 1923 8.64 9.26 11.22 286.61 219.03 57.04 69.58 23.11 16.95 17.26 17.3 11.34 62.28 1924 6.38 6.71 8.67 80.2 87.48 38.01 25.41 11.52 10.08 20.02 14.98 5.91 26.28 1925 3.99 5.25 30.38 136.77 46.7 298.46 96.25 14.7 15.83 26.51 25.17 18.6 59.88 1926 13.22 14.69 47.79 150.54 38.05 72.89 59.67 13.77 12.79 27.56 23.11 13.97 40.67 1927 11.79 11.06 113.15 379.58 415.27 246.94 93.78 45.07 42.03 38.77 31.21 22.76 120.95 1928 17.07 18.99 55.24 214.69 80.65 93.31 128.39 54.37 69.57 51.61 45.32 30.93 71.68 1929 29.73 25.03 166.5 191.98 75.04 48.03 21.35 11.98 9.14 12.84 13.58 8.33 51.13 1930 5.67 5.07 81.91 246.45 146.23 54.46 30.09 10.28 6.1 6.56 7.57 6.68 50.59 1931 4.98 5.65 27.17 95.84 24.95 18.69 10.09 4.46 2.29 2.4 6.24 5.3 17.34 1932 4.71 3.91 38.62 221.12 54.52 16.59 7.25 1.77 1.13 1.3 3.44 2.52 29.74 1933 1.53 1.4 24.41 165.35 43.83 29.05 7.18 2.07 1.3 1.38 2.4 1.3 23.43 1934 1.54 0.92 13.93 61.68 18.76 5.55 3.91 1.32 0.67 1.33 2.19 1.18 9.41 1935 0.4 0.76 21.21 94.15 33.22 12.41 30.64 14.56 7.61 3.31 2.2 1.68 18.51 1936 1.61 1.53 1.65 190.82 73.69 16.52 3.41 2.24 1.89 0.81 0.67 0.94 24.65 1937 0.2 0.03 0.06 57.34 81.73 29.99 23.51 44.32 23.17 11.37 7.95 2.05 23.48 1938 1.51 2.15 41.14 36.3 137.89 73.16 24.2 6.16 5.48 5.66 5.87 5.15 28.72 1939 5.6 7.23 7.36 105.27 33.78 18.65 16.02 5.31 6.52 10.11 10.89 7.87 19.55 1940 3.83 4.2 6.35 143.98 63.19 29.82 10.12 7.22 5.29 6.68 11.11 8.38 25.01 1941 8.83 9.85 10.24 386.48 88.34 149.64 40.39 21.39 52.47 86.8 39.33 25.13 76.57 1942 16 17.99 55.57 468.13 253.9 118.56 51.24 35.52 88.08 46.52 32.13 21.94 100.47 1943 22.59 19.81 34.18 655.06 205.54 352.29 183.97 73.18 51.47 41.7 40.54 26.22 142.21 1944 18.76 20.84 21.74 123.14 106.92 196.72 192.74 169.99 167.32 82.3 114.01 77.38 107.66 1945 36.63 38.65 258.29 570.49 244.82 114.5 61.93 37.06 50.3 55.94 39.59 27.98 128.02 1946 26.76 22.4 162.49 414.56 116.64 62.95 69.14 36.05 33.04 47.03 45.78 33.11 89.16 1947 29.19 25.41 29.94 504.89 338.2 341.23 163.8 57.47 44.49 52.81 46.82 38.11 139.36 1948 30.71 23.92 24.1 704.73 567.81 109.24 88.9 47.04 28.56 19.08 20.16 15.76 140 1949 12.71 12.85 16.89 416.93 144.19 171.89 96.68 93.14 51.14 32.44 39.29 30.17 93.19 1950 23.43 21.18 26.25 751.6 2062.12 631.35 286.32 107.75 74.12 94.3 58.7 61.16 349.86 1951 58.14 50.96 64.77 556.47 307.6 139.92 77.63 41.37 55.36 44.78 40.01 53.98 124.25 1952 50.62 54.19 56.9 485.7 216.99 108.02 166.46 64.69 38.96 26.77 24.46 19.76 109.46 1953 17.26 17.29 38.66 115.07 89.23 251.73 156.63 65.16 37.28 25.29 27.22 26.49 72.28 1954 23.63 23.99 38.96 164.88 119.79 121.28 83.76 40.66 25.36 23.11 23.47 20.33 59.1 1955 20.72 18.47 18.5 300.07 91.35 121.37 77.61 51.4 26.67 26.67 17.11 12.74 65.22 1956 12.22 12.9 14.42 361.13 412.19 153.68 115.86 32.75 57.41 19.32 37.52 17.38 103.9 1957 12.54 11.54 40.93 166.55 128.49 118.98 262.88 81.56 180.88 106.92 95.75 48.52 104.63 1958 39.16 36.96 52.88 94.31 46.67 40.33 114.81 28.45 12.99 12.18 13.84 10.14 41.89 1959 9.86 9.7 17.92 171.28 59.76 77.79 58.54 21.48 15.4 15.96 16.64 17.77 41.01 1960 17.49 15.76 13.34 468.02 147.43 88.08 64.63 16.69 17.53 9.68 15.73 10.74 73.76 1961 9.76 8.29 48.73 73.4 67.96 31.46 12.5 7.77 7.55 16.82 11.63 7.43 25.28 1962 5.6 5.66 6.37 417.79 340.19 720.2 454.72 204.22 95.36 69.39 61.64 46.32 202.29 1963 35.3 30.4 42.9 222.21 105.89 212.08 86.35 37.22 34.34 39.51 27.36 19.73 74.44 1964 21.72 21.36 19.42 239.96 154.47 269.31 102.64 37.41 19.02 48.17 39.35 25.77 83.22 1965 25.76 25.21 26.91 707.36 526.17 283.89 159.47 66.39 59.34 125.08 94.48 78.16 181.52 1966 53.2 46.66 165.41 1297.58 573.28 198.42 134.55 107.17 81.95 56.4 60.37 51.65 235.55 1967 46.21 41.84 59.07 719.72 566.26 185.43 101.6 42.11 26.93 25.65 27.28 19.05 155.1 1968 13.92 13.97 40.6 138.27 70.86 170.96 194.43 93.22 84.79 62.42 60.68 55.38 83.29 1969 48.02 45.67 61.52 825.59 776.25 182.75 113.92 58.79 46.89 59 57.85 44.48 193.39 1970 41.17 39.95 44.7 543.25 650.1 479.97 156.17 45.71 39.65 36.29 47.19 30.99 179.6 1971 29.26 28.28 55.49 409.64 155.36 92.09 82.37 41.41 42.45 113.87 146.2 75.91 106.03 1972 55.58 45.25 193.46 676.97 308.42 180.3 70.28 70.2 58.28 51.94 48.4 32.66 149.31 1973 31.5 31.59 164.73 76.66 48.6 37.11 17.61 22.07 72.68 117.58 73.99 58.88 62.75 1974 48.51 47.8 57.26 547.57 840.01 304.71 106.02 92.38 58.08 54.85 60.64 38.47 188.02 1975 37.2 39.98 46.74 366.74 773.36 196.04 793.52 133.46 72.48 68.77 68.22 44.28 220.07 1976 43.13 46.54 79.1 493.51 124.55 67.26 44.01 31.68 20.62 10.97 8.88 5.01 81.27 1977 5.11 5.38 11.33 59.48 34.04 24.4 18.01 7.38 15.11 40.29 31.88 36.6 24.08 1978 34.72 27.96 49.18 1020.17 289.97 109.6 102.35 48.99 31.65 27.12 24.7 18.32 148.73 1979 15.92 16.39 21.93 738.47 1393.74 229.17 182.14 95.45 63.07 49.56 55.36 43.21 242.03 1980 38.26 37.68 41.89 287.04 67.92 46.16 24.38 13.72 23.7 15.59 18.6 10.16 52.09 1981 8.27 8.39 41.64 51.16 39.26 44.8 77.51 42.96 51.18 68 55.6 31.27 43.34 1982 32.58 29.86 49.67 625.25 251.03 120.65 115.81 69.79 38.11 122.67 71.78 54.8 131.83 1983 45.71 39.01 265.07 354.81 111.81 136.91 181.03 70.79 79.11 60.53 59.67 48.8 121.1 1984 39.08 36.08 82.02 541.89 120.43 328.02 96.26 43.34 27.16 52.37 52.74 40.88 121.69 1985 34.17 32.68 182.96 209.12 258.25 224.7 208.81 207.9 165.89 128.36 79.5 59.41 149.31 1986 57.02 51.31 172.48 759.37 631.65 208.62 141.97 80.55 82.61 101.83 59 56.14 200.21 1987 51.08 45.75 195.24 637.09 120.11 104.26 88.03 73.95 31.39 23.53 23.74 19.9 117.84 1988 13.35 14.45 63.93 187.55 40.9 30.81 13.13 7.98 9.41 9.55 8.78 7.27 33.93 1989 7.44 10.76 11.24 608.15 194.99 76.22 32.23 12.2 29.58 12.78 10.62 7.31 84.46 1990 4.88 7.39 32.49 100 47.03 61.66 33.74 13.16 10.36 8.46 8.91 6.57 27.89 1991 5.01 6.95 16.83 59.37 79.89 65.29 112.45 36.66 44.7 24.39 25.15 16.21 41.08 1992 15.63 15.66 199.78 286.76 127.71 71.05 84.28 36.14 74.1 34.36 24.13 26.36 83 1993 24.31 28.76 37.09 424.67 117.11 131.1 298.23 764.56 283.45 119.8 78.9 57.99 197.16 1994 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 22.01 20.95 57.03 353.7 235.21 139.59 108.72 57.25 44.67 41.01 36.4 26.93 95.29 Std Dev 15.8 14.48 59.26 256.43 311.19 127 115.41 89.91 44.9 33.48 27.37 19.56 64.96