Results
Country: | U.S.A.
| Station: | FOUR CORNERS, CO | River: | SAN JUAN R | Area: | 37811.76 | Lat: | 37 | Lon: | -109.03 | Source: | USGS | PointID: | 9371010 | Area Units: | km2 | Discharge Units: | m3/sec | Starting Year: | 1931 | Ending Year: | 1993 | Total Years: | 63 | Total Usable Years: | 62 | |
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Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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1931 | 98.74 | 120.05 | 120.41 | 102.05 | 49.74 | 9.15 | 0 | 0 | 0 | 20.13 | 47.18 | 64.7 | 52.68 |
1932 | 55.46 | 66.44 | 73.76 | 53.09 | 32.98 | 32.71 | 4.04 | 2.68 | 3.81 | 56.31 | 67.62 | 63.86 | 42.73 |
1933 | 77.06 | 58.34 | 81.33 | 74.17 | 131.45 | 31.81 | 0 | 1.64 | 69.27 | 58.14 | 65.46 | 67.4 | 59.67 |
1934 | 76.46 | 58.46 | 58.75 | 36.74 | 1.51 | 0 | 0 | 0 | 0 | 0 | 0 | 31.42 | 21.94 |
1935 | 43.32 | 63.07 | 43.86 | 22.83 | 108.44 | 257.58 | 9.66 | 0.15 | 2.46 | 6.28 | 37.98 | 32.01 | 52.3 |
1936 | 37.72 | 43.48 | 69.13 | 21.92 | 21.13 | 8.33 | 0 | 0 | 0 | 0 | 13.35 | 25.21 | 20.02 |
1937 | 9.4 | 63.97 | 90.62 | 33.77 | 2.98 | 28.09 | 0 | 0 | 1.49 | 16.43 | 41.74 | 54.92 | 28.62 |
1938 | 64.72 | 73.37 | 64.9 | 28.67 | 58.6 | 28.03 | 14.43 | 6.67 | 84.09 | 28.64 | 61.34 | 46.48 | 46.66 |
1939 | 71.18 | 48.93 | 111.64 | 105.27 | 18.64 | 13.72 | 4.24 | 0.48 | 0 | 5.58 | 9.98 | 20.79 | 34.2 |
1940 | 25.46 | 51.44 | 64.33 | 15.9 | 6.33 | 19.03 | 0.01 | 0 | 0.02 | 0 | 13.62 | 10.68 | 17.24 |
1941 | 9.23 | 9.24 | 9.63 | 10.68 | 8.68 | 4.97 | 3.53 | 1.53 | 1.18 | 2.13 | 4.78 | 4.43 | 5.83 |
1942 | 9.51 | 13.41 | 30.19 | 31.47 | 255.19 | 119.12 | 45.01 | 5.45 | 32.12 | 17.99 | 23.06 | 47.49 | 52.5 |
1943 | 48.29 | 52.12 | 45.46 | 61.88 | 38.84 | 35.21 | 5.22 | 6.74 | 11.17 | 16.06 | 30.98 | 32.51 | 32.04 |
1944 | 37.33 | 33.94 | 37.78 | 37.22 | 64.33 | 14.99 | 8.02 | 13.57 | 13.77 | 23.65 | 35.16 | 54.18 | 31.16 |
1945 | 38.74 | 44.58 | 38.63 | 28.27 | 26.9 | 58.2 | 17.95 | 18.81 | 19.81 | 30.82 | 31.12 | 28.37 | 31.85 |
1946 | 42.68 | 41.2 | 45.9 | 24.76 | 27.43 | 18.5 | 11.1 | 10.95 | 21.68 | 52.54 | 34.07 | 41.77 | 31.05 |
1947 | 35.6 | 37.23 | 44.05 | 43.31 | 23.75 | 90.27 | 92.36 | 22.43 | 29.01 | 33.82 | 32.64 | 43.34 | 43.98 |
1948 | 47.23 | 54.66 | 73.7 | 48.02 | 24.9 | 23.94 | 15.24 | 25 | 12.63 | 25.22 | 45.06 | 37.03 | 36.05 |
1949 | 28.45 | 49.17 | 76.68 | 67.65 | 56.1 | 167.25 | 51.69 | 15.77 | 25.12 | 40.74 | 49.04 | 49.72 | 56.45 |
1950 | 40.29 | 52.23 | 55.97 | 49.73 | 35.72 | 18.88 | 10.55 | 7.71 | 20.04 | 34.92 | 45.29 | 46.81 | 34.85 |
1951 | 46.49 | 52.84 | 53.23 | 46.88 | 57.77 | 66.11 | 43.41 | 24.52 | 53.7 | 52.59 | 60.39 | 49.67 | 50.63 |
1952 | 67.74 | 109.9 | 120.78 | 77.89 | 56.68 | 43.27 | 20.23 | 12.68 | 12.35 | 25.01 | 29.96 | 31.94 | 50.7 |
1953 | 44.17 | 43.97 | 49.15 | 37.93 | 32.83 | 15.42 | 6.26 | 4.51 | 4.61 | 17.85 | 32.63 | 35.32 | 27.05 |
1954 | 32.07 | 39.3 | 34.28 | 25.51 | 24.61 | 6.89 | 5.06 | 13.25 | 3.69 | 18 | 26.04 | 25.65 | 21.2 |
1955 | 27.32 | 35.67 | 38.81 | 24.68 | 9.06 | 14.47 | 6.28 | 4.7 | 3.97 | 17.07 | 24.22 | 24.55 | 19.23 |
1956 | 26.14 | 26.11 | 27.95 | 23.07 | 4.84 | 7.59 | 4.49 | 2.37 | 1.55 | 11.45 | 18.15 | 16.22 | 14.16 |
1957 | 17.2 | 20.48 | 18.84 | 22.72 | 70.2 | 46.32 | 9.6 | 4.45 | 17.01 | 28.19 | 29.65 | 32.95 | 26.47 |
1958 | 35.07 | 41.11 | 51.98 | 62.99 | 72.15 | 51.1 | 21.12 | 11.22 | 9.09 | 21.83 | 29.82 | 30.8 | 36.52 |
1959 | 31.15 | 39.52 | 48.03 | 50.09 | 23.02 | 6.58 | 6.28 | 4.76 | 13.92 | 33.79 | 35.8 | 33.64 | 27.22 |
1960 | 34.09 | 43.37 | 66.38 | 46.03 | 28.63 | 23.09 | 10.5 | 3.64 | 6.38 | 23.41 | 24.99 | 26.73 | 28.1 |
1961 | 28.47 | 27.83 | 32.21 | 28.56 | 25.18 | 40.43 | 5.28 | 12.77 | 9.65 | 37.06 | 48.95 | 41.16 | 28.13 |
1962 | 38 | 61.43 | 61.65 | 33.13 | 23.26 | 55.13 | 24.47 | 9.84 | 20.54 | 30.32 | 42.05 | 36.9 | 36.39 |
1963 | 35.56 | 48.62 | 44.79 | 34.38 | 12.42 | 15.93 | 6.14 | 5.53 | 27.89 | 27.15 | 27.19 | 31.32 | 26.41 |
1964 | 34.11 | 32.53 | 35.56 | 33.61 | 14.12 | 15.06 | 7.23 | 12.51 | 12.79 | 25.01 | 26.25 | 28.19 | 23.08 |
1965 | 30.75 | 36.14 | 32.83 | 28.91 | 25.37 | 88.33 | 41.49 | 14.9 | 45.71 | 63.19 | 57.94 | 61.07 | 43.89 |
1966 | 56.1 | 57.48 | 68.28 | 61.16 | 17.54 | 16.77 | 8.75 | 9.98 | 17.54 | 31.7 | 30.77 | 29.57 | 33.8 |
1967 | 32.18 | 33.94 | 29.5 | 14.69 | 14.75 | 69.78 | 84.27 | 11.91 | 27.01 | 37.95 | 40.85 | 36.98 | 36.15 |
1968 | 40.42 | 41.55 | 40.59 | 36.29 | 28.96 | 14.51 | 9.55 | 14.82 | 24.71 | 36.65 | 38.61 | 38.08 | 30.4 |
1969 | 41.43 | 43.01 | 51.67 | 35.31 | 35.66 | 43.94 | 49.31 | 9.64 | 33.16 | 36.48 | 44.54 | 51.81 | 39.66 |
1970 | 50.92 | 64.87 | 64.43 | 71.24 | 54.39 | 81.26 | 32.07 | 13.18 | 30.75 | 52.78 | 45.29 | 57.76 | 51.58 |
1971 | 62.97 | 64.41 | 69.2 | 68.91 | 254.49 | 307.47 | 40.82 | 12.6 | 26.55 | 54.35 | 61.5 | 67.57 | 90.9 |
1972 | 76.09 | 82.44 | 95.44 | 54.3 | 64.52 | 17.7 | 13.05 | 21.07 | 26.66 | 52.79 | 55.12 | 47.27 | 50.54 |
1973 | 51.21 | 73.67 | 66.45 | 79.46 | 336.25 | 328.1 | 37.07 | 38.25 | 140.01 | 179.24 | 112.61 | 97.52 | 128.32 |
1974 | 99.31 | 127.24 | 185.25 | 196.86 | 57.92 | 22.34 | 9.46 | 13.61 | 26 | 31.8 | 31.63 | 36.92 | 69.86 |
1975 | 39.19 | 41.32 | 42.41 | 42.99 | 24.3 | 51.49 | 13.68 | 15.54 | 30.55 | 31.91 | 39.37 | 42.92 | 34.64 |
1976 | 49.28 | 51.82 | 47.27 | 49.47 | 26.49 | 11.04 | 8.5 | 5.65 | 22.28 | 25.95 | 29.74 | 37.12 | 30.38 |
1977 | 32.62 | 37.25 | 42.27 | 62.13 | 43.01 | 19.51 | 8.96 | 11.35 | 26.11 | 29.07 | 31.02 | 34.06 | 31.45 |
1978 | 29.28 | 29.96 | 46.24 | 40.67 | 21.82 | 10.35 | 10.29 | 11.01 | 16.29 | 27.63 | 30.76 | 32.24 | 25.55 |
1979 | 27.09 | 31.26 | 50.68 | 31.73 | 20.6 | 83.71 | 40.85 | 12.42 | 17.15 | 17.44 | 21.04 | 56.38 | 34.2 |
1980 | 64.9 | 77.74 | 85.62 | 138.89 | 277.39 | 152.36 | 7.05 | 10.45 | 24.54 | 23 | 26.25 | 32.96 | 76.76 |
1981 | 38.94 | 40.18 | 36.44 | 19.82 | 18.45 | 9.22 | 27.37 | 17.51 | 22.31 | 26.54 | 26.32 | 36.12 | 26.6 |
1982 | 28.09 | 43.58 | 45.19 | 24.75 | 16.92 | 11.14 | 7.09 | 8.8 | 24.71 | 23.79 | 48.83 | 54.31 | 28.1 |
1983 | 74.29 | 85.52 | 84.76 | 110.96 | 226.13 | 537.08 | 322.31 | 187.87 | 227.68 | 74.31 | 41.97 | 91.36 | 172.02 |
1984 | 121.22 | 190.57 | 204.06 | 284.69 | 356.52 | 268.81 | 48.46 | 20.23 | 116.45 | 119.52 | 163.26 | 141.91 | 169.64 |
1985 | 94.2 | 102.32 | 119.67 | 52.84 | 55.51 | 33.41 | 16.1 | 13.69 | 36.04 | 54.21 | 47 | 53.49 | 56.54 |
1986 | 82.75 | 94.28 | 71.69 | 110.29 | 80.79 | 97.06 | 39.99 | 70.72 | 113.02 | 111.09 | 84.38 | 80.72 | 86.4 |
1987 | 80.29 | 78.18 | 85.33 | 81.01 | 97.47 | 93.91 | 24.25 | 22.63 | 55.78 | 53.02 | 58.06 | 63.42 | 66.11 |
1988 | 61.79 | 92.25 | 73.04 | 55.45 | 61.5 | 13.92 | 29.94 | 21.15 | 28.07 | 30.29 | 23.19 | 33.62 | 43.68 |
1989 | 43.94 | 49.68 | 60.5 | 19.31 | 12.66 | 20.26 | 16.15 | 16.59 | 28.03 | 21.09 | 21.28 | 24.9 | 27.87 |
1990 | 36.57 | 39.77 | 44.97 | 54.62 | 34.44 | 11.64 | 7.28 | 20.87 | 14.72 | 19.28 | 24.21 | 21.54 | 27.49 |
1991 | 28.69 | 40.87 | 33.17 | 21.47 | 36.63 | 25.42 | 9.73 | 11.38 | 15.13 | 15.18 | 26.3 | 28.97 | 24.41 |
1992 | 34.23 | 41.99 | 66.37 | 32.68 | 12.62 | 14.26 | 21.24 | 17.82 | 11.89 | 30.47 | 27.15 | 36.35 | 28.92 |
1993 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 | -9999 |
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Avg | 46.83 | 55.67 | 62.32 | 53.64 | 60.67 | 61.97 | 23.46 | 14.87 | 28.61 | 34.66 | 39.27 | 43.15 | 43.76 |
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Std Dev | 22.9 |
29.37 |
33.99 |
43.8 |
78.81 |
93.88 |
42.75 |
24.6 |
37.49 |
28.74 |
24.25 |
21.54 |
30.59 |
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| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Avg Annual |
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