Country= U.S.A. Station= FORT SUMNER, N. MEX. River= PECOS RIVER Area= 14503.14 Lat= 34.34 Lon= -104.17 Source= USGS PointID= 8385520 Area Units= km2 Discharge Units= m3/sec Starting Year= 1939 Ending Year= 1993 Total Years= 55 Total Usable Years= 36 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1939 39.87 26.64 84.64 36.31 39.36 34.3 25.28 19.27 19.93 31.26 31.27 29.52 34.8 1940 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1941 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1942 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1943 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1944 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1945 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1946 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1947 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1948 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1949 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1950 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1951 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1952 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1953 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1954 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1955 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1956 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1957 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1958 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 1959 33.1 38.42 77.63 53.17 50.79 35.72 32.2 30.8 29.23 37.9 42.16 42.87 42 1960 30.44 45.18 125.3 90.48 77.77 50.75 38.99 34.14 34.07 37.61 37.4 36.36 53.21 1961 40.3 54.82 67.37 45.61 54.93 41.78 28.65 31.76 32.29 41.2 46.31 32.24 43.11 1962 34.7 52.94 90.14 63.35 92.71 125.79 152.05 58.03 45.13 46.77 48.54 44.15 71.19 1963 39.94 63.2 88.66 63.36 49.55 54.08 48.18 38.31 43.32 42.06 42.99 30.14 50.32 1964 45.22 48.63 58.1 78.11 59.39 55.24 33.11 28.41 29.36 31.31 35.68 32.44 44.58 1965 39.46 40.41 45.9 56.74 46.93 56.53 41.19 28.97 43.5 47.18 42.24 39.78 44.07 1966 29.89 45.21 95.59 60.69 45.26 41.67 23.48 37.51 34.12 32.57 39.46 29.58 42.92 1967 39.21 45.27 56.29 38.76 42.41 76.81 38.74 26.45 42.22 39.64 38.3 33.57 43.14 1968 39.1 53.27 59.77 52.83 46.58 50.87 35.39 31.07 44.55 35.86 38.45 22.28 42.5 1969 33.7 41.29 86.64 74.49 34.78 30.04 31.07 20.61 27.32 42.09 39.05 38.18 41.61 1970 30.08 57.19 65.67 69.62 48.33 36.53 19.4 18.75 24.78 29.41 34.2 31.31 38.77 1971 35.09 53.85 82.52 56.34 55.18 38.53 25.7 18.24 27.76 30.3 42.54 31.83 41.49 1972 31.17 45.73 54.78 49.82 73.32 40.42 39.77 36.01 33.14 41.82 50.19 32.84 44.08 1973 46.35 58.35 79.73 55.75 64.93 45.24 29.69 24.18 44.73 54.17 60.66 39.15 50.24 1974 46.35 58.61 56.82 54.28 44.42 44.32 15.61 25.71 25.91 32.87 33.42 34.54 39.41 1975 35.36 38.36 57.09 64.5 55.15 41.79 22.98 23.43 22.62 30.75 30.25 39.78 38.51 1976 40.69 60.93 43.03 46.67 41.53 29.57 20.41 22.07 26.72 28.57 26.69 29.71 34.72 1977 27.04 46.98 77.98 78.53 66.68 46.02 31.04 31.5 33.66 43.15 41.04 35.43 46.59 1978 33.16 33.2 99.75 69.71 55.72 45.34 42.36 30.88 27.01 34.52 36.38 35.7 45.31 1979 31.67 39.99 72.72 58.07 43.88 44.17 34.23 27.42 31.89 35.74 45.76 46.89 42.7 1980 36.28 52.46 61.73 59.38 42.3 38.43 19.78 23.62 24.75 32.11 34.15 35.25 38.35 1981 39.15 47.19 40.9 40.72 40.68 30.03 30.53 33.58 28.86 36.57 39.65 37.02 37.07 1982 30.85 58.96 61.94 45.15 70.01 63.31 32.56 27.14 31.69 44.53 47.74 40.58 46.21 1983 51.48 61.69 63.52 67.72 89.66 76.1 72.08 40.73 34.99 41.37 44.27 40.41 57 1984 52.45 82.41 81.87 116.91 75.75 68.21 46.05 39.3 37.86 47.36 51.97 39.81 61.66 1985 42.1 46.48 70.72 57.72 53.25 33.42 24.76 34.42 38.06 41.65 37.93 42.59 43.59 1986 52.29 60.82 81.92 83.89 63 57.82 34.08 34.02 59.3 47.63 54.09 44.64 56.13 1987 47.63 65.97 100.95 90.1 59 40.06 38.53 31.23 41.15 37.23 50.98 41.56 53.7 1988 40.8 57.91 106.53 65.97 94.72 41.19 37.39 30.03 41.39 41.93 42.98 42.15 53.58 1989 44.88 39.64 67.82 50.96 38.07 31.97 24.59 22.61 30.07 32.62 36.27 34.45 37.83 1990 52.61 47.8 52.08 51 58.85 47.23 29.99 33.81 27.56 36.59 39.87 30.69 42.34 1991 40.39 58.36 58.94 55.58 66 65.01 28 27.58 29.98 35.67 41.22 43.34 45.84 1992 46.42 52.89 60.13 46.86 37.94 45.25 42.42 44.95 40.3 42.19 46.32 37.72 45.28 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 39.41 50.89 72.43 61.4 56.54 48.67 36.29 30.47 33.98 38.41 41.44 36.53 45.54 Std Dev 7.04 10.56 18.9 16.4 15.67 17.97 22.35 7.95 8.14 6.1 7.06 5.42 7.65