Country= U.S.A. Station= SAYLORVILLE, IA River= DES MOINES RIVER Area= 15127.29 Lat= 41.67 Lon= -93.67 Source= USGS PointID= 5481650 Area Units= km2 Discharge Units= m3/sec Starting Year= 1952 Ending Year= 1993 Total Years= 42 Total Usable Years= 37 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1952 80.15 68.85 79.57 319.71 863.76 1021.77 279.98 154.36 97.05 75.97 84.93 82.41 267.38 1953 79.27 71.19 79.33 100.72 252.17 624.41 151.23 110.09 60.66 72.14 90.02 69.43 146.72 1954 70.15 65.74 69.76 85.33 177.15 98.56 66.3 42.87 70.69 90.98 76.03 62.68 81.35 1955 58.25 58.34 82.32 120.78 286.74 304.62 91.55 76.55 51.36 54.7 77.19 75.04 111.45 1956 66.64 64.92 79.07 143.17 442.85 404.1 72.29 47.34 38.54 54.26 72.18 58.63 128.67 1957 63.65 73.26 70.61 138.12 529.79 1241.04 838 260.02 124.01 119.1 124.92 100.33 306.9 1958 81.59 98.7 102.65 208.96 816.05 678.38 94.83 47.9 69.01 68.07 87.05 76.88 202.51 1959 72.03 74.08 65.48 68.67 236.08 433.14 91.15 66.94 58.84 111.89 88.6 68.81 119.64 1960 70.51 66.76 110.39 244.31 316.39 475.41 106.04 46.3 53.15 70.24 81.15 72.46 142.76 1961 65.91 67.49 70.97 72.46 263.34 287.81 55.57 55.74 132.92 144.86 112.65 88.05 118.15 1962 79.99 117.22 103.34 424.98 669.83 650.91 339.84 92.82 81.19 118.49 111.93 81.72 239.36 1963 74.72 89.23 85.3 92.28 214.62 147.98 49.01 69.47 78.52 61.9 82.8 58 91.99 1964 52.99 51.4 56.18 84.41 354.47 356.67 123.26 101.24 72.37 68.47 81.79 77.85 123.43 1965 73.09 67.3 68.13 189.08 478.17 740.21 483.95 187.66 160.04 141.97 107.2 101 233.15 1966 78.44 78.23 102.63 141.08 254.72 175.99 80.07 54.63 70.08 80.55 72.71 74.46 105.3 1967 63.83 67.04 79.7 89.09 195.36 324.61 139.9 72.5 82.83 80.42 103.71 118.2 118.1 1968 93.85 97.46 80.28 92.27 251.88 473.73 129.45 148.62 74.84 100 123.83 118.6 148.73 1969 123.72 94.18 115.73 249.08 381.9 323.88 194.25 89.67 113.47 154.43 136.84 118.61 174.65 1970 108.18 111.58 126.36 136.04 558.41 606.83 237.83 110.08 166.76 158.64 154.22 141.64 218.05 1971 149.27 163.47 183.06 255.21 327.6 509.89 239.44 109.85 132.56 123.28 130.82 122.99 203.95 1972 109.97 110.54 119.19 94.14 209.15 348.55 88.78 60.36 102.46 130.93 137.96 131.08 136.93 1973 127.31 101.73 102.02 105.64 501.37 610.04 327.64 146.76 102.35 112.9 115.81 135.47 207.42 1974 143.66 151 167.65 154.37 431.28 343.07 135.38 72.04 75.98 94 119.19 103.53 165.93 1975 108.99 108.26 110.69 145.97 372.34 529.81 332.73 105.13 92.58 111.72 136.33 130.82 190.45 1976 113.26 106.7 103.59 100.67 250.4 251.49 101.45 70.53 84.19 100.86 104.14 102.48 124.15 1977 95.58 77.32 57.28 46.18 64.64 76.13 47.06 38.23 59.86 62.23 66.92 61.68 62.76 1978 64.42 67.47 80.16 148.95 326.9 557.28 223.07 69.61 85.22 90.88 112.56 108.55 161.26 1979 108.43 128.24 156.57 224.11 528.24 644.49 327.83 121.98 101.78 102.35 105.44 115.31 222.06 1980 113.15 117.19 118.05 185.5 574.74 631.19 202.27 87.02 100.11 106.91 129.47 121.68 207.27 1981 108.86 88.42 75.93 77.22 130.27 184.51 83.64 64.5 94.08 113.74 99.89 88.66 100.81 1982 84.4 108.47 120.53 136.95 349.47 463.55 248.31 145.13 162.41 162.79 147.98 129.66 188.3 1983 123.54 119.22 124.14 129.51 496.77 1172.23 726.47 288.67 141.33 146.31 148.25 149 313.79 1984 141.08 155.77 177.5 255.34 1074.79 1221.03 637.77 273.97 191.62 200.05 183.78 160.13 389.4 1985 173.56 169.78 209.58 441.75 808.95 715.76 277.2 141.94 144.95 204.17 179.89 169.69 303.1 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 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1990 61.41 59.82 63.12 70.89 115.49 201.92 91.61 66.16 84.89 89.21 85.32 63.05 87.74 1991 64.33 80.73 76.84 105.6 300.53 405.43 149.76 101.71 123.99 110.07 123.31 103.81 145.51 1992 86.56 84.77 88.41 141.25 287.88 209.97 119.95 101.28 99.02 91.26 99.43 73.9 123.64 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 92.83 94.1 101.68 157.29 397.15 498.55 215.81 105.4 98.26 107.59 110.71 100.44 173.32 Std Dev 29.15 30.35 36.64 91.23 221.83 292.96 185.4 61.48 35.73 36.91 29 29.99 73.17