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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.
Los Angeles County, California Hydrologic Unit Code 18070106
Latitude 34°14'09", Longitude 117°48'18"
NAD27
Drainage area 84.6 square miles Gage datum 1,567.04 feet above NGVD29 |
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| 00060, Discharge, cubic feet per second, | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YEAR | Monthly mean in ft3/s (Calculation Period: 1932-12-01 -> 1979-08-31) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| 1932 | 17 | ||||||||||||
| 1933 | 44.9 | 47.9 | 61.2 | 54.2 | 38.9 | 28.3 | 13.3 | 8.81 | 6.88 | 7.4 | 9.12 | 66.4 | |
| 1934 | 301.6 | 47.5 | 45.4 | 29.1 | 18.9 | 14.9 | 8.66 | 6.77 | 7.67 | 32.8 | 22.5 | 88.5 | |
| 1935 | 135.2 | 204.9 | 96 | 203 | 104.3 | 62 | 41.9 | 25.6 | 18.7 | 15.6 | 16.9 | 16.4 | |
| 1936 | 14.8 | 168.8 | 82.8 | 72.8 | 42.4 | 26.4 | 16.4 | 12.2 | 10.6 | 13.5 | 16.8 | 60 | |
| 1937 | 74.3 | 445.1 | 403.9 | 310.3 | 222.1 | 110.3 | 64.5 | 38.5 | 27.2 | 23.5 | 22 | 30.6 | |
| 1938 | 38.5 | 211.8 | 1,425 | 293.6 | 174.7 | 115.5 | 72.3 | 45.8 | 35.4 | 31.2 | 27.6 | 63.4 | |
| 1939 | 53.3 | 51.3 | 60.4 | 85 | 49.9 | 32 | 23.4 | 16.7 | 30.1 | 26.4 | 21.2 | 20.6 | |
| 1940 | 55.6 | 89.2 | 83.7 | 72.1 | 49.1 | 31.6 | 22.7 | 17.8 | 16.1 | 15.9 | 19.2 | 60.6 | |
| 1941 | 62 | 335.6 | 542.2 | 463.2 | 337.5 | 171.2 | 99.7 | 62.7 | 38.7 | 33.3 | 31.1 | 44.6 | |
| 1942 | 45 | 37.1 | 38.7 | 60.9 | 43.1 | 29.9 | 19.6 | 20.8 | 14.1 | 12.9 | 13.9 | 15.7 | |
| 1943 | 419.6 | 325.9 | 559.3 | 217 | 154 | 94.2 | 52.8 | 36.6 | 28.8 | 24.9 | 23.9 | 64.4 | |
| 1944 | 47.1 | 157.5 | 325.6 | 258.1 | 196.2 | 114 | 68.5 | 44.6 | 31.3 | 26.3 | 116.1 | 49.7 | |
| 1945 | 37.9 | 137.8 | 132.8 | 136.6 | 93.3 | 56 | 37.9 | 32.9 | 24.6 | 24 | 23 | 172 | |
| 1946 | 73 | 58.2 | 82.8 | 193.8 | 95.2 | 52.7 | 37.5 | 26.6 | 21.8 | 27.1 | 134.9 | 203.3 | |
| 1947 | 139 | 68.5 | 56.9 | 54 | 39.9 | 27.1 | 18.4 | 16.7 | 13.9 | 13.5 | 14.2 | 19.8 | |
| 1948 | 16.7 | 23.4 | 28.2 | 49.5 | 38.9 | 21.8 | 12.7 | 9.44 | 8.22 | 9.19 | 9.48 | 13.1 | |
| 1949 | 16.9 | 22.8 | 39.2 | 51.3 | 36 | 19.3 | 11.2 | 8.19 | 7.31 | 8.71 | 15.7 | 24.5 | |
| 1950 | 28.9 | 54.5 | 32.5 | 34.7 | 23.3 | 14.4 | 9.55 | 6.8 | 6.64 | 6.63 | 8.72 | 9.82 | |
| 1951 | 11.5 | 12 | 13.2 | 11.7 | 12.6 | 7.31 | 3.55 | 2.63 | 2.33 | 4.1 | 8.48 | 49.2 | |
| 1952 | 201.2 | 109.4 | 222.8 | 280.8 | 197.9 | 103.7 | 62.3 | 40.9 | 28.8 | 21.5 | 23.4 | 30.2 | |
| 1953 | 35.3 | 26.3 | 25.8 | 24.9 | 19.7 | 14.3 | 8.95 | 6.68 | 6.04 | 6.63 | 9.64 | 10.3 | |
| 1954 | 67.7 | 84.3 | 94 | 170.8 | 77 | 40.3 | 25.7 | 20.5 | 16.1 | 14.8 | 22.8 | 23.8 | |
| 1955 | 36.3 | 54.9 | 63.7 | 50.6 | 66.4 | 41 | 26.3 | 18.2 | 15.1 | 13.9 | 15.8 | 16.6 | |
| 1956 | 57.3 | 47.8 | 32.4 | 40.7 | 61.7 | 34.7 | 20.9 | 14.4 | 11.4 | 13.2 | 13 | 14.3 | |
| 1957 | 53.5 | 68 | 69.2 | 45.1 | 40.5 | 30.3 | 19.1 | 15.5 | 12.5 | 16.9 | 20.5 | 109.3 | |
| 1958 | 61.7 | 247.7 | 314.7 | 599 | 243.7 | 123.7 | 69.6 | 43.3 | 31.4 | 24.3 | 22.8 | 20.8 | |
| 1959 | 22.7 | 75.6 | 60.6 | 43.7 | 31.7 | 19.6 | 12.5 | 10.4 | 13.4 | 10.5 | 11.2 | 12.6 | |
| 1960 | 19.3 | 25.3 | 25.4 | 22.6 | 28.1 | 14.5 | 7.92 | 6.05 | 5.31 | 7.09 | 21.3 | 14.7 | |
| 1961 | 15.2 | 14.1 | 12.6 | 11.1 | 8.78 | 5.12 | 2.62 | 2.28 | 2.55 | 3.21 | 8.33 | 34.5 | |
| 1962 | 21.6 | 351.5 | 141.1 | 137.4 | 79.7 | 49 | 32.7 | 22.5 | 16.8 | 15.6 | 14.2 | 14.6 | |
| 1963 | 14.4 | 33.8 | 21.6 | 26 | 27.3 | 17 | 8.85 | 6.39 | 11.9 | 10.8 | 18.9 | 15.7 | |
| 1964 | 18 | 17.1 | 17.2 | 50.3 | 39.5 | 23.3 | 11.4 | 8.08 | 6.3 | 6.62 | 11 | 14.5 | |
| 1965 | 17.4 | 15.4 | 13.9 | 109.4 | 83.3 | 38.7 | 18.1 | 12.3 | 10.9 | 9.32 | 445 | 364.6 | |
| 1966 | 282 | 137.7 | 95.8 | 76.5 | 56.8 | 41.1 | 28.8 | 21.3 | 18 | 16.7 | 22.8 | 379.2 | |
| 1967 | 133.5 | 119.6 | 212.8 | 288.7 | 334.2 | 151.9 | 81.6 | 51.7 | 38.4 | 30.2 | 51.6 | 50.5 | |
| 1968 | 43.5 | 69.3 | 73.1 | 59.2 | 46.4 | 33 | 24.6 | 18.1 | 16.1 | 15.3 | 15.5 | 16.6 | |
| 1969 | 755.7 | 1,092 | 615.9 | 396.9 | 258.5 | 171.6 | 100.2 | 58.6 | 42.7 | 35 | 33.7 | 27.1 | |
| 1970 | 29.1 | 37.5 | 111 | 59.9 | 43.4 | 27.9 | 19.3 | 17.3 | 14.8 | 16.6 | 34.5 | 62.2 | |
| 1971 | 69 | 49.9 | 34.7 | 31.8 | 23.8 | 17.5 | 15.8 | 11.9 | 10.2 | 10.1 | 11.6 | 66.7 | |
| 1972 | 59.6 | 32.7 | 27.7 | 22.4 | 18.3 | 14.7 | 9.66 | 8.68 | 8.82 | 8.73 | 12.6 | 14.8 | |
| 1973 | 24.6 | 206.4 | 212.6 | 165.3 | 145.8 | 71.7 | 43.9 | 30.5 | 20.6 | 17.9 | 20.9 | 22.3 | |
| 1974 | 92.6 | 56.6 | 102.8 | 76.9 | 49.2 | 31.2 | 21.8 | 15.5 | 12.5 | 12.9 | 11.6 | 16.2 | |
| 1975 | 10.6 | 23 | 59.9 | 46.9 | 51.6 | 21.8 | 18.5 | 12.7 | 10.3 | 10.5 | 11.7 | 14.3 | |
| 1976 | 11.8 | 63.2 | 68.2 | 48.3 | 40.9 | 23.9 | 15.6 | 11.2 | 46.9 | 21.6 | 17.4 | 15.4 | |
| 1977 | 39.1 | 26.5 | 23.5 | 26.8 | 67.1 | 46.6 | 24.1 | 19.8 | 14.6 | 12.9 | 13.2 | 67.8 | |
| 1978 | 265.3 | 853.2 | 1,238 | 501.8 | 319.7 | 193 | 112.1 | 60.9 | 45.2 | 32.1 | 34.8 | 51.9 | |
| 1979 | 92.4 | 158.9 | 216.7 | 299.9 | 210.4 | 118.3 | 57.9 | 43.3 | |||||
| Mean of monthly Discharge |
89 | 140 | 177 | 135 | 95 | 54 | 33 | 22 | 18 | 17 | 33 | 55 | |
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** No Incomplete data have been used for statistical calculation | |||||||||||||
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water data for USA: USGS Surface-Water Monthly Statistics
URL:
Page Contact Information: California Water Data Support Team
Page Last Modified: 2024-04-19 16:29:12 EDT
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