Country= U.S.A. Station= Harrah, OK River= North Canadian River Area= 34965.52 Lat= 35.5 Lon= -97.19 Source= USGS PointID= 7241550 Area Units= km2 Discharge Units= m3/sec Starting Year= 1947 Ending Year= 1982 Total Years= 36 Total Usable Years= 35 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1947 3.2 10.24 10.43 8.27 7.04 14.67 2.68 0.15 0.02 0.21 1.11 2.59 5.05 1948 3.47 3.98 5.84 8.98 5.13 20.67 4.34 0.25 0.04 0.07 0.5 1.33 4.55 1949 0.87 1.3 9.06 25.31 27.92 22.47 2.92 0.11 0.03 0.27 0.78 1.29 7.69 1950 1.67 6.39 11.59 21.16 20.23 29.1 10.37 0.98 0.17 0.5 2.57 9.04 9.48 1951 6.57 27.35 16.96 24.47 25.87 25.18 4.49 0.95 0.1 0.36 1.31 1.84 11.29 1952 2.74 5.2 11.45 96.6 101.03 45.45 12.61 2.62 0.46 0.45 1.63 2.7 23.58 1953 5.89 6.65 7.03 6.16 5 22.03 12.19 1.18 0.08 0.23 1.11 2 5.8 1954 2.08 4.64 6.87 5.32 3.64 1.12 0.44 0.01 0.01 0.01 0.01 0.13 2.02 1955 0.29 0.69 3.41 3.84 3.5 8.51 0.98 0.02 0.01 0.01 0.2 2.05 1.96 1956 9.92 6.55 22 25.64 29.33 42.76 7.25 0.5 0.04 0.21 1 1.72 12.24 1957 1.73 6.51 14.23 13.58 23.65 47.8 15.81 1.07 0.07 0.65 2.13 2.68 10.83 1958 2.87 9.79 14.46 25.2 29.37 31.54 5.28 0.69 0.11 0.44 1.33 2.1 10.26 1959 2.9 3.55 3.95 2.98 1.47 1.6 0.18 0.02 0.01 0.02 0.29 0.45 1.45 1960 0.42 1.41 5.37 7.93 6.41 8.64 0.47 0.02 0.01 0.02 0.17 0.39 2.61 1961 0.42 1.39 3.05 5.24 4.78 7.96 0.84 0.01 0.01 0.01 0.11 0.47 2.02 1962 0.38 33.06 12.82 26.31 28.58 45.14 13.7 0.89 0.05 0.09 0.32 0.84 13.52 1963 0.5 4.09 3.63 4.88 14.23 51.9 13.03 0.58 0.05 0.36 1.18 1.89 8.03 1964 1.83 2.01 6.01 29.8 21.68 47.81 13.08 0.69 0.13 0.34 1.26 6.66 10.94 1965 9.59 16.41 12.94 20.42 24.86 41.71 21.4 5.83 3.04 3.21 4.58 4.02 14 1966 3.85 4.07 14.41 12.96 5.97 1.72 0.2 0.03 0.01 0.01 0.19 0.67 3.67 1967 1.39 3.05 7.77 11.08 14.26 38.81 20.59 1.95 0.33 0.42 1.09 1.35 8.51 1968 1.94 4.87 7.46 5.48 3.79 20.26 4.54 0.39 0.32 0.62 2.03 3.02 4.56 1969 6.49 7.44 13.96 77.65 47.53 22.87 8.59 0.56 0.04 0.66 2.42 2.83 15.92 1970 10.51 12.06 9.28 6.98 11.61 42.71 26.01 2.53 1.14 1.84 4.53 5.48 11.22 1971 12.45 16.49 14.54 25.87 69.77 89.14 31.29 4.53 1.7 2.28 3.99 4.71 23.06 1972 8.08 12.03 34.88 19.01 11.99 23.07 3.02 0.27 0.28 1.07 2.51 2.88 9.92 1973 7.56 10.45 25.62 28.17 41.53 34.57 5.52 0.72 0.19 0.94 3 3.74 13.5 1974 7.06 7.19 24.79 23.91 18.1 15.03 3.17 0.24 0.03 0.11 0.69 1.29 8.47 1975 2.31 11.51 24.24 24.89 77.4 86.82 38.4 5.13 1.74 1.64 4.62 6.49 23.77 1976 5.28 9.41 15.07 11.35 15.18 10.49 1.88 0.18 0.05 0.39 1.92 1.73 6.08 1977 1.52 2.71 4.5 4.99 4.08 11.06 1.2 0.03 0.02 0.07 0.58 1.44 2.68 1978 2.5 3.76 13.64 23.16 18.72 20.24 6.86 0.63 0.39 0.99 2.1 2.61 7.97 1979 11.83 12.66 28.18 20.89 31.97 28.49 4.15 0.73 0.13 0.14 1.34 2.37 11.91 1980 14.48 15.87 15.84 14.51 45.9 76.13 21.89 2.46 0.89 1.1 2.38 3.46 17.91 1981 3.86 4.51 4.24 4.31 3.34 5.4 0.25 0.01 0.01 0.01 0.01 0.39 2.2 1982 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 4.53 8.27 12.56 19.35 23 29.8 9.13 1.06 0.33 0.56 1.57 2.53 9.39 Std Dev 3.85 6.96 7.72 18.91 22.41 22.15 9.44 1.45 0.64 0.71 1.31 1.95 6.08