Country= U.S.A. Station= SIMMONS, TEX.(DISC) River= NUECES RIVER Area= 22171.68 Lat= 28.42 Lon= -98.28 Source= USGS PointID= 8194600 Area Units= km2 Discharge Units= m3/sec Starting Year= 1964 Ending Year= 1993 Total Years= 30 Total Usable Years= 29 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1964 14.55 23.33 44.2 55.5 29.02 45.01 10.59 13.09 50.86 138.46 142.11 207.11 64.49 1965 86.01 343.93 174.82 133.59 700.71 248.02 29.33 17.3 24.11 16.82 27.67 30.66 152.75 1966 29.26 101.85 43.54 270.2 1256.18 273.87 137.02 43.75 43.37 37.88 17.53 20.35 189.57 1967 20.36 18.97 20.68 55.86 44.62 117.62 43.5 11.7 68.19 75.24 252.67 148.33 73.15 1968 278.9 231.69 396.38 580.88 682.84 316.07 135.89 44.95 28.74 22.97 36.28 92.63 237.35 1969 36.29 207.44 447.08 493.81 877.62 315.66 53.69 18.59 22.86 26.76 49.68 89.6 219.92 1970 102.17 139.21 614.02 247.35 267.75 109.18 15.99 18.56 42.53 89.16 68.26 27.16 145.11 1971 23.12 33.28 47.27 36.38 26.6 23.27 16.12 48.52 19.53 182.06 190.21 707.13 112.79 1972 515.29 83.85 33.62 26.35 46.65 27.1 17.26 13.76 14.52 48.35 85.05 54.73 80.54 1973 131.54 188.8 380.95 361.08 569.82 642.6 160.86 85.8 60.45 476.8 299.26 215.53 297.79 1974 310.52 129.07 76.65 77.94 208.51 115.33 21.03 34.06 196.29 81.35 739.24 567.62 213.13 1975 225.7 659.99 249.45 400.04 383.01 457.56 107.07 60.46 24.61 24.16 21.65 26.24 220 1976 29.54 30.63 71.67 280.99 380.79 328.94 145.38 24.44 105.03 98.17 70.66 208.18 147.87 1977 85.57 360.79 227.28 735.01 234.43 139.78 21.03 29.61 25.43 19.41 25.14 24.88 160.7 1978 36.72 90.38 128.48 39.51 53.42 34.64 13.72 19.7 24.78 15.5 38.49 21.62 43.08 1979 118.8 98.87 268.13 331.94 427.28 359.3 91.39 73.93 62.33 26.7 38.19 83.94 165.07 1980 163.62 166.95 59.28 159.85 261.07 43.59 22.17 19.08 17.78 41.35 23.41 35.54 84.47 1981 27.36 35.16 56.37 57.72 131.37 620.49 161.64 29.66 49.68 266.16 560.87 294.07 190.88 1982 215.41 174.13 174.87 115.66 364.91 598.81 362.62 203.54 76.08 28.93 39.49 206.52 213.41 1983 79.8 336.28 307.12 113.45 166.94 114.97 62.36 56.27 29.94 43.54 42 52.08 117.06 1984 45.02 64.15 263.87 79.79 51.41 43.14 32.74 28.15 26.47 179.47 99.91 267.71 98.49 1985 209.44 172.9 313.36 217.32 323.12 147.2 39.61 24.72 28.35 172.19 240.09 423.67 192.66 1986 59.25 475.28 61.72 179.31 390.53 619.47 169.54 37 61.68 85.52 127.31 327.97 216.22 1987 144.77 195.11 507.24 136.1 103.74 494.6 144.67 26.69 33.36 22.07 50.22 139.28 166.49 1988 86.2 99.37 113.13 73.08 41.92 48.93 45.8 24.34 34.38 35.33 41.87 48.78 57.76 1989 72.44 173.47 119.84 212.53 720.44 837.43 425.47 171.52 80.58 30.72 39.55 34.18 243.18 1990 162.46 286.4 586.39 644.12 1758.39 624.67 190.45 144.21 49.32 76.55 110.02 78.97 392.66 1991 319.92 330.05 131.91 335.27 268.86 132.16 41.07 125.17 120.6 62.53 713.49 1003.66 298.72 1992 952.09 863.28 953.55 285.67 277.29 369.79 147.92 51.88 40.68 37.54 77.15 306.86 363.64 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 158 210.85 237 232.29 381.01 284.46 98.83 51.74 50.43 84.89 147.15 198.1 177.89 Std Dev 188.22 190.11 216.56 187.82 387.38 232.74 99.26 48.47 37.53 95.79 193.81 226.81 86.61