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USGS Surface-Water Monthly Statistics for the Nation
The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.
San Bernardino County, California Hydrologic Unit Code 18070203
Latitude 34°05'27", Longitude 117°02'12"
NAD27 |
|
00060, Discharge, cubic feet per second, | |||||||||||||
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YEAR | Monthly mean in ft3/s (Calculation Period: 1919-10-01 -> 1986-08-31) | ||||||||||||
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1919 | 15.8 | 16.4 | 17.6 | ||||||||||
1920 | 15.9 | 26.9 | 61.1 | 70 | 113.3 | 73.5 | 46.9 | 38.4 | 26.3 | 25.5 | 26 | 26.8 | |
1921 | 28.5 | 25.8 | 44.7 | 37.8 | 49.1 | 48.7 | 33.7 | 27.2 | 21.4 | 21.8 | 19 | 93.4 | |
1922 | 112.9 | 151.3 | 124.2 | 125.2 | 225.6 | 206.5 | 105.2 | 68.3 | 46.5 | 34.3 | 35.4 | 43.2 | |
1923 | 34.5 | 36.8 | 37.5 | 43.8 | 49.2 | 36.8 | 30.2 | 24.8 | 27.4 | 24.2 | 22.7 | 22.1 | |
1924 | 22.5 | 20.6 | 23.1 | 42 | 38.2 | 26.9 | 18.6 | 14.8 | 14.5 | 15.1 | 16.6 | 18.8 | |
1925 | 16.6 | 16.6 | 18 | 24.3 | 21.2 | 17.1 | 14.4 | 12.7 | 11.4 | 10.8 | 12.4 | 12.1 | |
1926 | 12.2 | 21.3 | 17.3 | 82.4 | 71.8 | 44.2 | 32.1 | 27.2 | 19.6 | 17.5 | 19.6 | 19 | |
1927 | 19.5 | 156.5 | 73 | 75.1 | 96.1 | 66.2 | 43.3 | 33.7 | 26.5 | 22.4 | 22.4 | 20.8 | |
1928 | 19.6 | 25.5 | 23.7 | 22.3 | 20.3 | 17.2 | 13.6 | 10.9 | 10.2 | 10.6 | 11.7 | 13.8 | |
1929 | 13.2 | 16.2 | 20.4 | 29.5 | 30.1 | 24.5 | 16.8 | 17.1 | 16 | 14 | 14.6 | 14.3 | |
1930 | 14.1 | 16 | 24.2 | 28.1 | 56.8 | 42.2 | 30.9 | 25.7 | 20.7 | 19.9 | 20.3 | 17.4 | |
1931 | 16.9 | 21.6 | 18.7 | 22.4 | 20.9 | 18.2 | 14.3 | 14 | 12.8 | 12.4 | 12.8 | 20.9 | |
1932 | 19.8 | 62.3 | 55.4 | 80.4 | 103.7 | 79.4 | 44.2 | 31.2 | 25.7 | 23.1 | 23.5 | 18.9 | |
1933 | 19.8 | 22.3 | 22.8 | 25.4 | 22.8 | 23.6 | 17.8 | 13.9 | 12.2 | 12.3 | 11.9 | 14.3 | |
1934 | 22.7 | 16.3 | 17.7 | 19.2 | 16.6 | 13.9 | 11 | 12.7 | 11 | 9.9 | 9.91 | 12.1 | |
1935 | 14.3 | 29.8 | 28.3 | 46.4 | 49.8 | 39.2 | 28.4 | 25.6 | 23.4 | 19.5 | 19.3 | 18 | |
1936 | 16.3 | 37.8 | 29.4 | 42.5 | 43.3 | 31.9 | 24.5 | 24.2 | 20.1 | 18.2 | 14.6 | 26.5 | |
1937 | 20.3 | 165.5 | 158.6 | 163.8 | 186.8 | 118.6 | 65 | 46 | 37.8 | 29.8 | 24.2 | 24.1 | |
1938 | 23.7 | 40.6 | 595.1 | 145.4 | 144.2 | 107.2 | 67.7 | 59 | |||||
1947 | 15.5 | 14.5 | 16 | ||||||||||
1948 | 15.4 | 16.1 | 17.3 | 23 | 23.4 | 17.7 | 13.1 | 12 | 10 | 11 | 11.7 | 11.4 | |
1949 | 11.1 | 13.5 | 17.1 | 24.6 | 28.4 | 20.2 | 14.7 | 13.5 | 13.9 | 13.8 | 15 | 16.7 | |
1950 | 15.2 | 19.9 | 15.1 | 22.2 | 20.1 | 16.6 | 16.9 | 14.5 | 12.7 | 11.4 | 12.3 | 11.3 | |
1951 | 11.3 | 9.6 | 12.8 | 13.5 | 14.9 | 12.3 | 10.3 | 9.45 | 9.53 | 12.6 | 11.2 | 21.8 | |
1952 | 20 | 15.7 | 33.4 | 44.8 | 71 | 57.7 | 44.2 | 33.2 | 29.3 | 28.7 | 27.6 | 24.8 | |
1953 | 25.9 | 20.6 | 22.2 | 24 | 23 | 19.5 | 16.2 | 14.2 | 13 | 13.5 | 13.2 | 12.8 | |
1954 | 17.8 | 19.3 | 30.7 | 42.1 | 42 | 33.1 | 27.6 | 23.2 | 20.5 | 18.1 | 16.5 | 15.7 | |
1955 | 17.3 | 19.9 | 20.5 | 22 | 23.7 | 20.3 | 18.1 | 16.9 | 14.9 | 13.3 | 12.6 | 14.4 | |
1956 | 18 | 14.9 | 14.4 | 15.7 | 16 | 12.9 | 11.4 | 10.1 | 9.61 | 9.68 | 9.63 | 9.51 | |
1957 | 14.4 | 13.6 | 15.7 | 19.5 | 21.4 | 20.4 | 15.3 | 13.5 | 12.2 | 13.9 | 13.9 | 17.5 | |
1958 | 14.9 | 26.2 | 47 | 126.2 | 191.9 | 105.7 | 56.6 | 54 | 31.2 | 27.1 | 24.4 | 22.6 | |
1959 | 19.8 | 27.7 | 22.6 | 24.3 | 22.1 | 18.7 | 16.1 | 14.7 | 14.5 | 14.2 | 13.7 | 13.3 | |
1960 | 11.4 | 14.3 | 15.8 | 21.2 | 21.9 | 17.4 | 14.5 | 12.7 | 13.1 | 12.6 | 13.6 | 13.2 | |
1961 | 12.2 | 11.4 | 11.1 | 10.5 | 10.1 | 8.91 | 8.04 | 10.3 | 8.06 | 8.35 | 9.12 | 12 | |
1962 | 10.6 | 23.4 | 22.9 | 34.9 | 31.4 | 26.9 | 21.3 | 16.8 | 15.7 | 16.6 | 15.2 | 14.1 | |
1963 | 14 | 15.4 | 12.5 | 14.4 | 16.4 | 14.5 | 10.9 | 10.9 | 13.3 | 13 | 14.8 | 12.8 | |
1964 | 11.8 | 10.9 | 12.5 | 17.8 | 19.6 | 19 | 15.2 | 13.8 | 12 | 11.2 | 10.5 | 11.3 | |
1965 | 11.1 | 11.7 | 11.6 | 22.8 | 26.9 | 24.6 | 17.5 | 15.7 | 13.9 | 12.6 | 133 | 61 | |
1966 | 41.2 | 47.1 | 45.8 | 40.3 | 34.9 | 28.6 | 27.4 | 25 | 24.5 | 21.4 | 18.1 | 241.2 | |
1967 | 50.8 | 42 | 44 | 48.8 | 67.9 | 59.9 | 47.2 | 43.4 | 40.9 | 28.2 | 35.8 | 29.4 | |
1968 | 28.6 | 29.9 | 33.2 | 34.5 | 34.5 | 30.2 | 26.8 | 25.4 | 23.2 | 22.8 | 21.6 | 19.1 | |
1969 | 444.9 | 292.8 | 297.9 | 300.8 | 452.7 | 282.6 | 130.4 | 75 | 49.7 | 42.9 | 36.9 | 36 | |
1970 | 33.6 | 34.2 | 44.1 | 32.7 | 32.1 | 27.7 | 22.6 | 24.8 | 21.6 | 20 | 25.6 | 22.4 | |
1971 | 17.6 | 12.8 | 21.3 | 23.6 | 22.7 | 21.9 | 18.4 | 16.7 | 15.6 | 16.3 | 17.1 | 20.6 | |
1972 | 19.9 | 18.5 | 19.1 | 18.9 | 18.5 | 17.1 | 15.4 | 15.3 | 13.9 | 13.8 | 14.3 | 12.9 | |
1973 | 17.8 | 22.9 | 29.2 | 30.3 | 71.3 | 61.9 | 36.3 | 29.5 | 26.5 | 22.5 | 24.3 | 20.2 | |
1974 | 27.4 | 21.4 | 31 | 33 | 28.2 | 24.8 | 22.8 | 21.4 | 19.4 | 19 | 18.8 | 19.3 | |
1975 | 16.7 | 17 | 21.8 | 23.2 | 27.7 | 26.6 | 21.2 | 16.7 | 17.2 | 15.5 | 13.9 | 13.1 | |
1976 | 13.7 | 19.7 | 18.5 | 18.8 | 21.7 | 19 | 16.4 | 15.7 | 56.5 | 20.1 | 19.5 | 17.3 | |
1977 | 16.9 | 16.4 | 16 | 17 | 24.3 | 23.3 | 19.7 | 17.4 | 19.3 | 15.8 | 14.4 | 24.2 | |
1978 | 42.4 | 148.3 | 540.7 | 532.6 | 319.5 | 186.9 | 85.2 | 56.7 | 45.8 | 36.8 | 38.1 | 39.2 | |
1979 | 40.3 | 44.5 | 62.2 | 92.3 | 111.1 | 80.9 | 49.1 | 39.2 | 33.8 | 37.3 | 27.4 | 35.3 | |
1980 | 75.6 | 333.7 | 241.9 | 168.1 | 176.6 | 146.9 | 91.3 | 60 | 45.5 | 41.6 | 36.2 | 36.4 | |
1981 | 32.8 | 31.8 | 33.9 | 33.8 | 32.2 | 27.7 | 21.9 | 21.2 | 25.1 | 23.5 | 22.3 | 21.7 | |
1982 | 23.3 | 28.7 | 35.8 | 70.5 | 82.4 | 58 | 34.4 | 28.2 | 27 | 24.6 | 28.8 | 29.3 | |
1983 | 32.2 | 52.9 | 145.4 | 152 | 235.5 | 193.1 | 94.1 | 66.9 | 45.8 | 38.5 | 40.8 | 52 | |
1984 | 44.1 | 37.9 | 31.9 | 28.4 | 26.3 | 23.9 | 26.5 | 26.6 | 22.6 | 20.9 | 24.6 | 26.3 | |
1985 | 23.8 | 24.7 | 26.7 | 29.1 | 30.5 | 24.3 | 25.6 | 19.5 | 16.6 | 17.4 | 21.6 | 22 | |
1986 | 21.5 | 39.6 | 41.6 | 47.8 | 39.6 | 28.2 | 27.1 | 30.3 | |||||
Mean of monthly Discharge |
31 | 44 | 61 | 59 | 67 | 50 | 32 | 26 | 22 | 20 | 21 | 26 | |
** No Incomplete data have been used for statistical calculation |