Country= U.S.A. Station= ORLA, TX River= PECOS RIVER Area= 54930.64 Lat= 31.87 Lon= -103.83 Source= USGS PointID= 8412500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1917 Ending Year= 1993 Total Years= 77 Total Usable Years= 76 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1917 2.69 2.56 2.35 6.57 12.25 6.27 2.22 0.4 16.77 0.56 1.65 0.87 4.6 1918 1.08 2.37 1.05 77.89 13.36 22.85 1.18 0.24 2.44 21.27 84.79 85.56 26.17 1919 101.1 96.67 65.19 58.89 118.47 150.51 113.89 47.04 64.3 200.03 159.92 107.72 106.98 1920 230.31 100.48 56.35 35.81 105.14 56.81 31.82 89.75 79.86 27.72 48.44 38.89 75.12 1921 31.93 27.29 40.07 87.5 48.8 69.33 36.84 4.92 744.69 16.62 9.62 10.74 94.03 1922 9.28 15.21 49.66 393.23 460.67 60.11 14.37 4.91 4.53 3.58 5.77 4.24 85.46 1923 3.58 10.19 18.39 116.8 45.42 25.23 8.18 1.23 29.89 13.61 34.63 146.03 37.76 1924 45.33 88.07 99.84 85.52 79 62.51 10.28 5.01 13.07 3.9 3 3.59 41.59 1925 3.84 3.2 2.46 1.74 24.74 2.32 0.84 1.15 9.54 65.48 86.89 7.69 17.49 1926 56.8 19.5 100.82 271.9 126.37 45.73 48.41 9.88 6.23 13.94 7.31 13.02 59.99 1927 15.54 88 75.68 87 42.03 105.52 18.15 5 2.79 82.61 12.66 10.06 45.42 1928 8.37 42.22 18.86 13.12 19.39 46.74 5.92 9.89 4 1.41 1.16 5.5 14.71 1929 8.12 6.13 15.58 67.33 246.52 66.82 12.12 3.81 25.65 3.92 13.94 3.6 39.46 1930 7.12 12.98 11.8 4.81 257.62 17.77 5.36 5.01 8.07 95.53 14.45 61.92 41.87 1931 70.33 113.35 91.42 46.49 55.67 35.17 16.43 4.43 4.84 10.88 3.02 6.14 38.18 1932 64.53 97.71 74.44 29.07 139.56 63.73 16.23 13.33 85.17 6.05 3.96 6.65 50.04 1933 31.12 17.46 31.34 23.66 52.45 23.06 6.77 12.5 5.77 2.06 2.98 1.76 17.58 1934 32.97 39.87 55.84 139.51 18.28 4.99 1.41 0.69 3.25 0.45 32.52 4.42 27.85 1935 5.24 37.66 7.1 13.32 302.34 223.71 29.01 9.83 138.33 46.26 31.4 113.65 79.82 1936 29.73 18.34 16.76 21.97 314.5 96.86 84.8 9.04 167.87 165.53 84.2 162.51 97.68 1937 134.51 80.29 99.8 40.72 17.31 54.24 39.98 5.87 8.57 13.58 22.6 85.8 50.27 1938 211.66 165.15 66.65 159.42 123.76 64.02 128.33 48.83 10.68 5.71 4.77 5.18 82.85 1939 12.9 10.16 12.51 11.96 54.38 30.28 8.59 6.65 1.77 5.52 1.44 1.89 13.17 1940 2 10.69 2.47 50.89 54.77 117.43 185.13 8.9 3.87 2.09 240.86 281 80.01 1941 145.13 232.18 220.99 177.84 334.59 172.58 130.89 29.16 30.66 42.01 15.47 14.66 128.85 1942 10.92 10.82 8.83 202.74 198.27 190.09 22.99 17.18 172.84 89.78 50 36.67 84.26 1943 26.47 18.33 29.18 38.46 27.82 10.23 6.06 2.44 8.48 6.63 3.54 5.44 15.26 1944 62.23 123.32 135.21 49.55 492.28 165.64 28 11.61 26.6 10.29 24.67 77.26 100.56 1945 136.96 139.24 167.55 346.13 93.25 94.43 35.83 16.76 13.07 50.15 18.5 42.06 96.16 1946 64.31 105.5 131.69 70.97 136.57 62.01 13.06 6.42 32.52 14.67 93.18 65.54 66.37 1947 134.02 53.04 89.63 68.02 70.85 23.89 7.22 4.59 3.33 2.13 4.19 7.26 39.01 1948 4.98 15.22 13.25 16.81 34.98 10.62 15.89 3.01 4.44 1.03 0.76 1.26 10.19 1949 6.78 12.42 36.35 156.17 59.15 37.82 8.7 2.79 1.49 4.02 3.82 6.4 27.99 1950 3.18 29.04 4.92 30.07 31.06 25.39 14.91 1.52 29.35 1.58 0.82 1.05 14.41 1951 1.31 2.75 8.21 2.63 15.58 25.48 0.61 0.06 4.45 0.53 0.44 0.65 5.23 1952 0.71 1.15 2.15 31.64 67.95 19.25 2.73 0.16 0.06 0.02 4.61 22.49 12.74 1953 16.35 10.27 13.84 19.4 141.51 8.83 5.37 2.92 10.18 81.8 13.42 63.6 32.29 1954 5.63 3.69 1.96 0.79 12.5 0.43 0.06 0.18 0.48 0.49 7.47 0.65 2.86 1955 1.62 14.5 5.46 13.63 40.08 31.58 6.43 10.04 4.16 0.6 0.52 0.93 10.8 1956 0.98 3.47 0.65 0.47 46.03 3.58 0.04 0.99 0.12 0.82 30.02 13.74 8.41 1957 1 1.42 13.58 296.9 249.55 320.72 185.01 32.34 8.35 253.09 106.56 49.57 126.51 1958 40.8 187.45 165.78 57.7 179.05 56.17 15.18 5.5 31.83 11.39 9.14 6.49 63.87 1959 4.91 12.96 6.49 23.69 17.26 28.32 28.48 8.38 13.13 287.1 137.08 108.04 56.32 1960 150.44 121.46 56.52 33.82 24.3 9.69 7.3 5.73 4.12 138.05 66.07 195.62 67.76 1961 224.31 270.38 164.28 54.52 25.44 83.81 99.23 43.42 54.52 50.34 25.95 35.58 94.32 1962 18.41 17.39 13.02 25.89 16 41.5 13.87 2.07 30.54 27 24.19 27.85 21.48 1963 11.86 20.91 8.96 9.97 10.28 11.68 6.56 0.6 1.95 6.07 4.8 1.89 7.96 1964 2.12 9.91 18.4 22.41 27.25 45.18 16.84 6.11 34.54 48.03 48.24 24.76 25.32 1965 106.66 157.08 86.02 63.25 367.26 213.76 106.31 71.5 27.01 22.4 84.72 59.98 113.83 1966 32.74 61.33 44.42 140.34 132.57 65.19 17.38 32.34 67.65 18.67 8.02 7.57 52.35 1967 6.29 5.94 4.17 21.24 37.15 4.59 11.77 6.56 9.59 12.49 37.44 20.41 14.8 1968 218.72 121.56 145.18 139.73 168.72 137.82 80.57 8.31 10.49 4.83 11 22.46 89.12 1969 10.02 38.24 47.69 130.86 131.14 35.14 9.34 10.26 8.6 10 6.76 37.87 39.66 1970 39.95 64.38 156.42 136.24 133.58 72.78 9.24 4.38 27.82 15.97 5.14 4.08 55.83 1971 3.01 3.41 12.4 15.86 17.28 17.37 13.33 16.77 4.11 18.88 27.22 49.83 16.62 1972 32.14 13.25 9.78 4.61 34.18 18.71 3.96 3.17 2.36 22.83 20.21 11.65 14.74 1973 42.7 40 49.81 56.56 65.07 46.29 22.72 6.79 13.5 115.04 57.96 19.19 44.64 1974 35.37 18.25 11.48 7.37 49.82 15.17 9.37 24.06 88.93 62.32 143.36 91.59 46.42 1975 143.7 181.09 81.51 62.15 219.69 157.8 65.96 24.94 13.66 10.06 7.12 6.9 81.21 1976 5.92 4.78 8.54 107.46 112.88 37.02 113.23 16.53 13.91 28.15 33.75 74.71 46.41 1977 41.9 127.71 46.74 206.97 167.33 101.61 8.51 4.77 3.04 2.54 2.98 2.74 59.74 1978 3.28 7.24 6.86 6.49 5.71 18.14 24.88 5.62 1.74 0.61 5.86 4.17 7.55 1979 28.99 51.75 81.49 86.12 164.78 170.83 111.78 25.4 8.16 5.22 5.49 8.09 62.34 1980 10.19 12.66 16.87 13.58 115.15 36.91 14.59 3.58 2.93 2.57 2.74 3.66 19.62 1981 3 5.96 15.12 7.64 10.94 232.04 145.25 13.73 40.66 43.79 22.97 8.91 45.83 1982 9.73 7.31 11.38 35.05 106.74 25.83 26.18 2.61 1.43 2.87 4.16 2.93 19.68 1983 5.66 32.14 60.27 20.11 80.13 43.64 8.14 12.35 3.07 1.73 2.1 2.84 22.68 1984 3.69 2.42 4.98 1.29 3.74 17.12 13 8.68 4.28 45.99 14.89 29.93 12.5 1985 24.94 40.3 63.19 35.62 58.75 29.99 7.59 2.36 2.5 27.58 38.27 77.26 34.03 1986 45.39 133.28 25.6 8.7 47.27 97.11 78.31 23.15 58.18 66.44 63.74 135.77 65.25 1987 138.01 77.51 112.59 57.7 45.6 199.35 217.47 70.13 13.01 5.64 11 15.79 80.32 1988 12.55 7.27 10.99 5.83 10.24 32.38 33.85 20.7 1.7 1.65 1.81 1.94 11.74 1989 2.95 6.06 5.98 3.97 66.52 80.42 19.47 8.54 2.95 2.16 2.18 2.23 16.95 1990 2.4 3.21 17.14 35.56 171.11 137.37 49.7 13.63 10.45 5.87 9.49 5.45 38.45 1991 90.53 43.24 19.57 57.02 88.99 45.64 10.71 5.54 18.36 7.83 41.72 242.92 56.01 1992 273.59 369 408.4 299.03 296.58 256.25 266.91 144.59 31.13 8.87 11.57 25.53 199.29 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 46.97 54.72 51.29 70.55 105.18 69.44 39.43 14.65 32.29 33.01 30.12 38.87 48.88 Std Dev 64.31 69.49 64.7 83.93 106.35 68.44 54.82 22.55 89.2 54.98 42.72 56.09 36.5