Country= U.S.A. Station= GREENWOOD, MS River= YAZOO RIVER Area= 19294.36 Lat= 33.52 Lon= -90.18 Source= USGS PointID= 7287000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1935 Ending Year= 1993 Total Years= 59 Total Usable Years= 58 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1935 4.02 9.28 75.87 29.3 34.34 38.38 22.13 12.72 5.69 5.42 6.03 5.05 20.69 1936 4.47 4.34 179.66 151.49 65.88 22.69 7.89 5.04 7.34 4.88 5.15 4.75 38.63 1937 4.6 4.99 59.73 122.18 135.9 165.38 60.23 13.19 14.29 11.16 7.53 5.71 50.41 1938 5.21 5.49 128.96 67.47 136.43 104.08 117.06 47.84 102.29 41.49 24.11 15 66.29 1939 12.66 8.3 101.96 109.93 52.2 29.1 19.06 11.41 6.56 5.92 5.98 5.73 30.73 1940 3.13 3.68 9.13 80.4 32.41 38.14 14.1 14.33 21.8 8.55 18.68 19.96 22.03 1941 23.45 15.88 120.4 272.68 106.12 141.92 68.33 19.13 19.67 32.92 63.84 34.9 76.6 1942 21.15 26.09 54.95 92.02 141.33 178.08 108.35 87.51 136.79 113.46 42.57 27.18 85.79 1943 19.87 21.79 116.74 325.53 153.23 425.97 214.11 181.6 144.67 42.19 47.86 56.71 145.86 1944 25.81 60.88 120.48 233.88 584.15 488.66 155.5 47.67 39.26 23.81 21.62 14.99 151.39 1945 10.18 16.29 238.67 196.52 134.2 351.24 122.81 90.72 33.59 24.89 17.65 10.87 103.97 1946 8.88 21.49 291.94 255.4 105.86 160.12 108.46 41.14 49.29 76.97 90.4 65.59 106.3 1947 27.81 22.3 72.74 367.86 359.15 214.09 325.55 56.68 29.46 16.79 25.18 26.81 128.7 1948 14.23 22.59 277.32 317.58 146.99 48.37 39.25 67.8 27.26 13.27 16.01 13.82 83.71 1949 13.69 12.48 215.87 481.08 84.69 32.88 24.75 20.58 10.82 9.39 9.31 7.52 76.92 1950 5.89 6.34 58.22 218.34 173.57 79.82 35.79 17.48 10.08 9.54 7.68 6.26 52.42 1951 6.44 5.84 44.48 860.55 390.24 161.07 259.71 100.76 130.5 72.08 50.7 81.74 180.34 1952 39.41 49.82 111.4 1043.67 325.12 138.24 258.98 98.92 38.75 19.37 15.79 9.54 179.08 1953 8.76 14.16 125.96 190 299.82 370.26 296.92 310.95 73.02 21.61 21.23 21.33 146.17 1954 12.36 25.18 117.68 126.94 140.81 155.15 81.29 30.07 27.13 30.26 26.16 17.11 65.85 1955 13.78 10.39 86.85 86.51 46.85 32.02 101.89 28.6 16.68 10.57 9.22 6.95 37.53 1956 6.95 6.82 19.77 109.08 46.9 145.59 86 77.99 24.91 11.47 16.32 14.72 47.21 1957 8.43 7.43 40.21 84.04 66.79 305.4 347.58 141.41 106.92 79.15 86.45 60.9 111.23 1958 31.87 20.76 67.95 161.41 85.96 62.68 35.83 15.85 10.31 8.14 8.19 6.1 42.92 1959 5.84 5.58 16.47 26.23 26.13 58.45 29.97 19.14 26.68 29.22 32.17 30.25 25.51 1960 39.61 16.65 29.36 479.27 368.31 187.52 108.02 26.05 41.74 35.15 22.61 18.17 114.37 1961 12.61 12.99 116.87 182.1 139.93 86.65 48.22 66.38 23.16 24.39 34.51 18.75 63.88 1962 13.74 11.6 30.82 701.13 292.48 223.8 346.45 169.31 123.19 68.85 42.69 22.05 170.51 1963 15.38 14.35 71.73 102.18 108.98 157.01 167.88 146.8 50.5 44.55 33.12 20.18 77.72 1964 12.77 14.23 23.03 114.33 239.41 67.96 37.07 18.58 88.66 48.64 24.73 16.55 58.83 1965 12.45 11.15 19.25 1270.38 442.48 357.07 156.14 46.05 45.47 149.84 69.36 72.22 220.99 1966 33.85 98.05 234.47 299.07 169.6 106.67 71.5 30.84 22.62 30.93 22.52 16.23 94.7 1967 14.07 14.12 149.82 332.05 123.33 250.83 180.21 30.59 18.03 12.08 12.41 10.79 95.69 1968 5.5 6.01 16.74 34.95 34.61 68.42 139.57 239.47 120.42 453.85 216.42 84.7 118.39 1969 34.77 39.31 159.3 1365.07 431.17 184.79 233.9 56.16 18.73 15 17.18 16.75 214.34 1970 18.5 18.85 37.05 198.93 178.44 148.99 66.51 25.86 19.38 74.7 200.25 116.98 92.04 1971 45.05 32.51 319.97 370.91 129.44 247.68 179.87 37.63 18.66 21.71 101.93 62.84 130.68 1972 31.33 20.19 182.34 268.47 313.53 337.43 164.49 110.07 56.79 49.74 109.11 47.41 140.91 1973 57.43 64.69 365.81 279.59 266.39 163.46 48.02 22.41 16.19 61.6 68.76 60.65 122.92 1974 31.3 32.52 104.77 184.11 141.91 243.61 49.67 21.15 11.05 8.9 11.34 12.73 71.09 1975 8.38 11.79 20.32 276.15 338.82 285.02 133.36 22.8 14.01 11.44 14.61 15.98 96.06 1976 12.04 19.3 88.3 103.9 34.85 17.92 9.84 6.93 5.19 5.57 5.79 4.48 26.18 1977 4.21 5.21 91.62 60.03 32.94 69.19 25.27 12 10.42 30.51 48.58 45.12 36.26 1978 27.04 17.14 122.77 371.14 214.5 191.51 129.46 56.86 29.73 20.01 12.55 11.13 100.32 1979 8.4 12.95 94.21 703.21 403.11 213.51 234.01 393.92 312.11 83.72 199.03 105.17 230.28 1980 56.82 37.74 124.15 200.38 76.24 253.48 59.68 36 36.43 27.12 24.74 17.73 79.21 1981 12.46 18.05 30.26 41.32 67.66 125.59 191.41 143.91 98.11 62.26 62.33 45.57 74.91 1982 22.01 18.14 232.82 388.89 244.75 194.15 112.14 40.81 47.1 119.95 192.02 147.71 146.71 1983 88.29 113.05 599.5 712.55 454.06 248.22 360.88 56.56 48.26 44.62 68.56 67.77 238.53 1984 39.37 105.63 267.17 780.42 504.43 642.63 431.77 99.58 37.3 105.06 171.89 99.26 273.71 1985 53.09 35.58 410.37 427.39 305.44 171.2 101.3 42.42 152.37 261.32 116.99 72.16 179.14 1986 53.17 45.02 361.44 823.18 652.02 422.09 310.36 198.84 298.93 389.03 189.91 124.8 322.4 1987 64.58 56.43 122.06 184.64 86.36 90.27 70.57 41.79 20.77 15.56 16.21 23.37 66.05 1988 13.75 13.67 106.53 106.44 91.88 29.55 10.4 8.4 6.95 7.11 9.4 8.25 34.36 1989 6.66 8.11 80.48 162.58 80.88 29.32 20.07 11.07 8.88 6.4 7.73 6.04 35.69 1990 6.89 7.86 23.06 28.22 81.01 258.21 182.57 178.92 53.68 21.5 19.96 14.51 73.03 1991 11.08 13.34 87.3 258.35 416.86 674.79 399.31 266.03 210.43 91.01 153.54 133.01 226.25 1992 94.68 95.58 576.55 316.87 200.94 236.58 416.65 184.12 128.64 172.16 226.22 127.64 231.39 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 22.42 25 138.86 312.73 199 188.5 140.31 75.98 57.03 56.84 55.22 38.56 109.2 Std Dev 20.28 25.51 127.95 297.62 152.01 143.23 115.64 81.59 65.61 83.51 62.1 38.1 69.46