Country= U.S.A. Station= WINCHELL, TX River= COLORADO RIVER Area= 65209.74 Lat= 31.47 Lon= -99.16 Source= USGS PointID= 8138000 Area Units= km2 Discharge Units= m3/sec Starting Year= 1924 Ending Year= 1993 Total Years= 70 Total Usable Years= 63 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1924 5.12 4.06 7.08 31.46 69.22 12.45 0.25 0.36 13.27 16.68 1.27 5.11 13.86 1925 1.67 1.23 0.52 61.72 73.49 62.91 4.27 22.88 65.59 16.41 2.79 2.12 26.3 1926 6.44 1.67 36.54 69.85 20.75 47.32 10.48 22.61 69.79 45.37 2.55 29.43 30.23 1927 3.33 6.25 10.53 21.99 8.73 11.3 26.79 4.3 18.77 54.2 0.99 1.2 14.03 1928 1.93 1.93 1.07 4.96 98.2 46.29 91.29 37.19 17.72 1.67 3.71 2.15 25.68 1929 1.7 2.27 7.18 18.93 96.94 3.16 12.24 0.16 25.5 27.67 4.9 1.73 16.86 1930 1.15 1.25 2.13 4.37 122.14 95.9 2.08 8.54 2.86 279.72 6.41 23.9 45.87 1931 7.59 16.96 7.69 5.77 4.83 12.66 2.15 1.16 1.37 54.45 15.1 2.93 11.06 1932 6.83 9.68 2.84 17.05 182.06 56.99 84.17 13.04 170.46 13.11 7.54 12.43 48.02 1933 9.98 5.75 5.53 2.76 37.27 2.3 0.96 9.87 6.37 6.19 2.84 1.2 7.59 1934 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1935 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1936 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1937 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1938 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1939 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1940 1.53 6.3 0.9 32.19 26.7 81.87 24.95 22.36 12.8 2.61 4.87 3.34 18.37 1941 1.29 8.91 24.29 83.33 162.98 150.45 31.95 21.74 13.31 68.69 14.79 9.87 49.3 1942 5.84 4.82 4.37 30.99 49.17 3.54 2.35 63.05 29.26 26.41 6.57 6.16 19.38 1943 4.77 3.6 3.78 2.8 12.78 5.97 4.15 0.06 0.92 0.92 0.29 1.37 3.45 1944 4.27 5.24 6.85 0.95 39.23 8.84 21.04 7.28 25.99 21.08 1.66 2.15 12.05 1945 3.1 3.48 3.77 14.67 2.49 9.62 134.39 8.09 1.43 20.13 1.99 1.77 17.08 1946 2.85 2.22 1.29 0.53 35.56 5.28 0.48 3.06 48.27 18.83 7.34 14.87 11.72 1947 3.83 1.83 1.88 6.79 114.55 13.9 2.24 0.08 3.08 17.24 2.23 9.14 14.73 1948 0.75 5.36 4.93 2.69 14.82 18.76 129.81 7.53 9.15 5.45 1.28 0.55 16.76 1949 1.57 3.06 21.74 129.59 109.15 28.71 1.97 6.47 8.27 16.51 1.61 1.33 27.5 1950 1.89 3.96 0.38 10.41 29.72 7.63 6.43 4.21 33.76 1.81 0.22 0.31 8.39 1951 0.36 0.4 0.27 0.18 36.01 34.68 5.63 14.5 2.17 0.15 0.03 0 7.87 1952 0 0 0 13.61 36.43 10.19 0 0 42.94 0.41 2.33 0.89 8.9 1953 0.22 0.04 19.26 0.3 22.35 0.11 6.78 52.46 5.76 33.78 3.01 0.32 12.03 1954 0.18 0.19 0.55 69.18 104.75 16.08 4.91 0.73 0 0.09 0.33 0.01 16.42 1955 0 1.87 0.34 0.05 140.07 72.09 52.8 10.52 29.34 11.93 0.08 0.02 26.59 1956 0.12 0.7 0.04 2.51 87.19 0.95 1.44 1.89 0.48 28.31 5.49 2.22 10.95 1957 0.31 2.92 10.42 118 393.78 114.4 3.93 2.07 16.92 128.55 12.82 4.67 67.4 1958 4.8 9.37 8.45 6.52 18.63 21.02 1.41 1.61 9.09 2.83 2.63 1.77 7.34 1959 1.33 0.42 0.14 0.01 4.34 52.15 31.59 0.75 1.55 139.85 9.62 6.61 20.7 1960 20.67 9.24 5.01 10.37 5.82 3.49 3.43 1.94 0.38 30.77 3.62 2.39 8.09 1961 8.3 9.95 1.96 0.55 18.65 45.7 22.74 2.5 18.56 15.6 5.12 3.82 12.79 1962 2.71 1.72 1.49 1.63 0.44 5.36 5.51 1.14 44.98 16.61 2.32 1.18 7.09 1963 0.87 0.66 0.28 0.18 31.66 16.29 0.32 0.97 0.56 0 2.11 0.69 4.55 1964 0.42 1.72 0.81 17.9 2.69 5.01 0.02 6.68 28.44 1.35 7.33 0.84 6.1 1965 0.74 3.19 1 0.37 92.43 19.27 1.18 0.64 6.5 5.38 2.36 0.73 11.15 1966 0.69 0.83 0.79 13.63 31.5 10.63 0.33 6.39 24.49 1.74 0.24 0.35 7.63 1967 0.41 0.21 1.17 1.27 11.75 6.83 12.1 2.1 32.12 2.46 1.5 1.22 6.1 1968 48.64 8.62 25.83 22.15 52.62 14.37 4.27 0.8 0.6 0.38 0.75 1.78 15.07 1969 1.02 1.04 1.34 6.21 43.17 10.42 0.75 0.52 15.2 4.65 4.85 10.71 8.32 1970 8.82 5.77 16.57 5.4 14.18 6.41 0.36 0.02 1.3 1.07 0.76 0.81 5.12 1971 0.91 0.62 0.33 1.3 0.9 7.06 10.78 32.97 42.51 26.72 6.46 6.4 11.41 1972 4.06 3.17 1.43 0.99 4.26 1.63 0.5 2.78 1.72 3.35 4.07 2.33 2.52 1973 2.97 3.58 3.5 14.96 3.29 9.42 2.2 1.21 5.02 15.75 1.5 1.13 5.38 1974 1.26 0.76 0.45 0.04 4.88 0.27 0 7.7 46.31 40.65 42.89 15.55 13.4 1975 14.37 21.69 7.23 7.21 37.35 9.81 6.37 1.7 1.79 1.88 4.98 2.56 9.75 1976 2.46 2.07 1.1 4.32 4.61 1.02 14.66 1.32 9.57 7.86 7.78 5.1 5.16 1977 5.45 4.89 6.23 43.86 22.05 9.1 3.25 2.29 2.42 1.55 1.59 1.41 8.67 1978 1.59 2.07 1.02 0.75 8.53 6.53 0.04 41.65 2.12 1.05 1.39 1.1 5.65 1979 1.23 1.46 7.9 5.97 6.8 1.77 2.17 6.57 0.53 0.56 0.54 1.12 3.05 1980 1.47 1.46 0.76 0.32 19.88 11.41 0.28 0.17 111.72 11.11 2.87 7.7 14.1 1981 3.97 3.17 14.2 5.53 5.97 9.15 1.85 1.51 1.65 38.7 4.18 3.39 7.77 1982 3.03 2.94 9.55 2.43 17.74 67.63 12.06 2.02 2.83 1.39 1.51 2.66 10.48 1983 2.75 2.36 1.84 1.3 0.49 4.01 0.78 0.03 0 0.42 1.59 0.7 1.36 1984 1.33 0.98 2.74 0.18 0 0 0 0.75 2.77 13.4 1.46 10.92 2.88 1985 9.91 0.97 3.23 1.62 4.45 5.38 1.51 0.5 0 13.31 1.16 0.73 3.56 1986 0.53 4.45 0.18 0.02 2.96 45.46 1.3 12.24 39.71 47.4 15.67 10.07 15 1987 7.49 16.18 30.27 7.13 47.95 58.17 18.04 19.75 16.7 4.11 3.43 4.6 19.49 1988 4.25 3.62 2.44 1.72 5.78 3.7 12.96 15.55 2.47 1.58 1.21 1.46 4.73 1989 1.6 4.36 1.78 2.09 9.22 34.12 5.33 1.24 2.48 1.1 1.28 1.3 5.49 1990 2.38 2.59 2.19 28.57 8.43 5.72 14.45 1.7 3.76 3.94 1.5 1.07 6.36 1991 3.63 2.09 1.61 0.76 0.69 10.52 0.41 1.97 14.56 6.63 1.26 54 8.18 1992 14.77 69.47 23.44 18.72 7.93 50.02 4.72 1.98 4.32 0.44 0.61 2.7 16.59 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 4.28 4.98 5.94 15.77 42.59 23.86 13.77 8.41 18.64 21.97 4.24 4.95 14.12 Std Dev 6.85 9.17 8.08 26.72 61.95 30.13 27.45 12.88 28.25 42.03 6.1 8.31 12.17