Country= U.S.A. Station= BLUFF, UTAH River= SAN JUAN RIVER Area= 59566.47 Lat= 37.14 Lon= -109.86 Source= USGS PointID= 9379500 Area Units= km2 Discharge Units= m3/sec Starting Year= 1939 Ending Year= 1993 Total Years= 55 Total Usable Years= 54 Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Avg Annual 1939 44.75 55.03 38.84 35.92 45.2 65.94 101.07 27.55 26.31 53.45 44.21 36.44 47.89 1940 34.75 54.81 38.64 60.27 48.52 86.5 353.61 32.67 44.34 57.49 323.81 307.81 120.27 1941 140.64 166.91 269.2 387 677.52 507.25 249.02 67.74 56.16 88.76 55.64 52.31 226.51 1942 43.75 48.65 41.65 137.23 29.82 36.95 109.89 36.7 73.09 101.78 136.11 90.46 73.84 1943 96.87 94.09 85.28 78.88 63.22 47.32 43.03 38.42 31.07 35.05 43.41 52.17 59.07 1944 96.19 85.8 117.84 45.25 101.59 68.18 68.23 65.28 91.45 72.98 85.72 130.1 85.72 1945 159.72 115.57 100.34 201.85 73.62 79.57 79.24 110.9 71.17 73.1 66.16 74.02 100.44 1946 105.49 110.1 144.15 79.56 144.09 148.26 89.39 60.73 107.27 83.98 188.89 105.49 113.95 1947 162.9 94.27 102.81 68.79 55.11 39.62 37.06 65.6 45.75 35.02 39.44 37.56 65.33 1948 37.22 47.49 36.64 28.45 40.54 23.74 33.44 33.9 30.27 23.93 24.67 23.07 31.95 1949 26.87 83.25 58.95 164.7 47.37 46.16 44.38 32.89 42.2 91.95 46.9 60.15 62.15 1950 45.46 85.08 29.8 70.49 53.01 113.37 36.31 24.33 39.44 18.73 21.08 23.37 46.71 1951 23.86 28.13 13.76 16.02 23.48 57.42 20.92 21.45 36.17 17.4 11.96 9.95 23.38 1952 8.6 10.83 9.28 27.57 60.25 27.06 29.7 21.6 24.75 10.86 18.67 52.77 25.16 1953 39.39 52.25 21.21 34.05 108.99 26.89 32.89 24.9 34.27 38.27 23.88 45.71 40.22 1954 22.2 11.03 10.12 21.21 36.45 25.53 24.81 25.75 12.34 10.48 9.78 9.85 18.3 1955 11.42 37.98 10.21 19.86 51.8 97.52 65.23 50.37 33.07 73.87 50.44 22.09 43.66 1956 13.06 28.72 14.43 21.21 40.32 34.96 22.58 18.53 13.44 8.39 6.22 8.94 19.23 1957 7.12 10.24 48.55 159.3 772.94 664.34 121.11 60.91 143.82 349.76 232.69 161.49 227.69 1958 162.2 277.27 200.8 149.49 165.56 112.68 108.88 65.59 102.92 62.97 65.43 24.82 124.88 1959 30.15 70.89 33.95 202.39 86 52.01 35.69 73.55 72.57 276.13 162.48 117.15 101.08 1960 113.35 132.82 99.97 120.45 161.68 199.17 78.89 59.16 33.83 138.1 175.1 79.34 115.99 1961 116.02 233.75 123.06 105.09 65.49 234.44 217.93 90.53 266.02 42.01 121.56 96.83 142.73 1962 74.59 27.28 23.01 24.87 23.37 52.97 33.39 25.13 37.5 25.55 19.13 39.64 33.87 1963 27.67 48.54 17.43 26.03 26.21 29.22 30.38 23.82 26.66 9.98 7.49 7.21 23.39 1964 6.33 10.81 22.6 18.05 24.01 33.49 20.39 11.49 37.53 18.69 15.84 10.62 19.15 1965 61.74 142.45 28.46 24.06 213.86 196.39 52.88 23.62 26.49 29.71 92.28 115.98 83.99 1966 49.68 52.14 42.85 63.44 203.14 53.76 35.07 26.29 19.47 18.11 24.66 9.04 49.8 1967 7.88 7.59 16.05 25.83 37.79 31.29 20 28.1 71.15 40.53 41.07 17.54 28.74 1968 238.76 184.79 168.53 207.32 295.51 350.24 106.06 38.87 64.65 18.74 18.37 69.77 146.8 1969 21.55 108.44 91.85 116.03 155.79 46.25 29.35 25.52 23.11 47.73 102.99 72.78 70.12 1970 79.37 91.22 200.66 164 196.6 124.78 73.16 38.56 43.91 82.3 18.01 12.83 93.78 1971 15.49 8.91 18.18 27.95 31.98 28.98 24.67 33.67 55.35 49.6 101 133.35 44.09 1972 54.69 35.95 31.24 26.99 140.23 46.7 33.95 25.38 22.46 21.06 16.99 13.91 39.13 1973 49.13 73.75 94.88 161.42 80.67 235.47 54.68 52.42 58.32 260.97 76.12 72.24 105.84 1974 196 47.62 38.51 37.54 77.43 47.54 33.49 48.87 225.83 132.59 392.66 135.59 117.81 1975 104.72 226.07 110.81 90.17 400.67 288.29 132.34 49.31 35.01 25.88 22.68 17.62 125.3 1976 17.85 11.37 20.94 119.84 124.23 86.57 118.17 56.65 55.64 73.72 65.68 176.18 77.24 1977 56.81 147.01 50.33 388.9 219.43 110.64 42.56 32.79 40.49 19.29 20.68 16.55 95.46 1978 23.11 25.65 13.88 35.46 32.49 56.92 37.96 28.76 88.05 16.65 32.23 18.85 34.17 1979 111.7 92.89 54.12 111.3 178.84 198 49.16 38.36 68.18 19 11.97 14.22 78.98 1980 34.83 26.07 21.48 31.58 92.81 43.1 37.5 30.38 43.69 21.47 18.74 22.12 35.31 1981 24.73 18.69 65.85 54.01 64.56 479.36 117.83 40.23 134.44 68.39 209.18 43.33 110.05 1982 27.54 30.45 36.36 52.62 195.13 64.16 68.39 43.6 47.31 23.27 18.83 18.99 52.22 1983 19.43 60.49 93.37 29.86 91.41 44.87 47.2 27.44 38.93 31.17 20.2 19.67 43.67 1984 24.42 13.45 10.97 21.68 35.39 38.79 36.39 20.06 27.69 79.31 26.67 33.25 30.67 1985 55.93 59.69 90.48 69.41 33.76 63.78 45.48 26.79 25.77 42.63 134.4 60.57 59.06 1986 44.77 31.67 30.44 24.6 94.3 137.22 42.88 32.65 54.25 127.19 148.81 282.85 87.64 1987 182.29 147.4 187.6 78.94 69.18 875.16 169.13 60.18 65.64 53.02 31.04 27.93 162.29 1988 22.63 14.36 64.66 30.94 33.85 40.54 33.83 30.81 20.84 21.24 9.67 9.54 27.74 1989 28.48 23.82 21.57 26.22 54.63 45.6 29.88 22.44 20.63 14.29 8.41 7.16 25.26 1990 7.83 10.86 10.57 24.7 41.68 31.78 33.85 19.6 23.83 14.1 11.65 11.1 20.13 1991 160.13 64.96 35.58 153.25 74.77 46.3 54.95 26.77 34.83 19.91 15.32 426.32 92.76 1992 617.68 1005.84 610.23 247.12 303.41 397.23 78.6 44.91 37.6 18.21 26.61 50.51 286.5 1993 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 Avg 73.88 88.61 73.57 87.95 122.22 131.86 69.02 39.68 55.68 59.42 68.77 66.47 78.09 Std Dev 93.41 140.12 93.54 83.85 142.85 168.76 61.43 19.4 46.76 66.47 80.37 79.98 56.06