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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 Diego County, California Hydrologic Unit Code 18070302
Latitude 33°18'40", Longitude 117°20'47"
NAD27
Drainage area 723 square miles Gage datum 70.40 feet above NAVD88 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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YEAR | Monthly mean in ft3/s
(Calculation Period: 1980-10-01 -> 2016-05-31) Calculation period restricted by USGS staff due to special conditions at/near site |
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1980 | 12 | 12 | 26.2 | ||||||||||
1981 | 21.9 | 29.1 | 50.5 | 22.1 | 13.6 | 3.24 | 0. | 0. | 0. | 0. | 3.43 | 9.41 | |
1982 | 82.7 | 61.5 | 213.8 | 75 | 21.1 | 12 | 6.03 | 0. | 0. | 2.24 | 49.1 | 61 | |
1983 | 100.1 | 215.9 | 797.2 | 201.5 | 89.1 | 29.8 | 9.69 | 31.6 | 4.21 | 39.3 | 62 | 123.5 | |
1984 | 35.1 | 21.3 | 12.1 | 4.16 | 1.58 | 0. | 0. | 0. | 0. | 0. | 0. | 64.2 | |
1985 | 24 | 40.6 | 23.4 | 14.5 | 6.36 | 0. | 0. | 0. | 0. | 0. | 37.4 | 20.4 | |
1986 | 5.32 | 94.2 | 183.7 | 32.3 | 11.8 | 11 | 0.964 | 0.001 | 5 | 6.52 | 17 | 17.4 | |
1987 | 24.9 | 18.2 | 3.85 | 4.27 | 1.87 | 0.106 | 0. | 0. | 0. | 4.91 | 34.8 | 35.5 | |
1988 | 42.5 | 15.5 | 10.8 | 10.8 | 7.13 | 0.705 | 0. | 0. | 0. | 0. | 1.49 | 16.8 | |
1989 | 10.7 | 8.27 | 6.04 | 4.83 | 4.17 | 2.91 | 0. | 0. | 0. | 0. | 4.89 | 0.013 | |
1990 | 7.2 | 17 | 5.81 | 8.83 | 5.63 | 6.39 | 0.831 | 0. | 0. | 0. | 1.43 | 5.7 | |
1991 | 4.74 | 17 | 499.4 | 39.9 | 12.5 | 7.29 | 3.99 | 2.17 | 2.84 | 1.64 | 2.02 | 12 | |
1992 | 54.3 | 198.7 | 182.1 | 63.3 | 23.3 | 12 | 5.84 | 3.15 | 1.53 | 5.92 | 2.93 | 45.2 | |
1993 | 2,261 | 1,296 | 246.7 | 117.8 | 69.5 | 30.9 | 9.17 | 8.14 | 5.19 | 18 | 8.83 | 11.7 | |
1994 | 16 | 128.5 | 70.8 | 36.1 | 21.5 | 8.39 | 2.61 | 0. | 0. | 0. | 1.22 | 8.9 | |
1995 | 690.1 | 358.1 | 895.9 | 136.1 | 63 | 31.5 | 9.65 | 4.52 | 3.57 | 2.14 | 3.95 | 10.1 | |
1996 | 12.3 | 78.1 | 63.3 | 12.4 | 4.2 | 0.905 | 0. | 0. | 0. | 0. | 40.5 | 44.7 | |
1997 | 236 | 74.5 | 28 | 10.4 | 4.58 | 0.413 | 0. | 0. | 0. | 0. | 6.83 | 42.4 | |
1998 | 63.5 | 1,193 | 239.5 | 190.4 | 121.1 | 36.6 | 10.1 | 4.57 | 6.98 | 4.98 | 19.2 | 17.5 | |
1999 | 29.4 | ||||||||||||
2001 | 1.66 | 12.4 | 22.1 | ||||||||||
2002 | 7.37 | 9.67 | 12 | 4.06 | 3.73 | 1.22 | 0. | 0. | 0. | 0. | 0. | 21.6 | |
2003 | 11.7 | 199.3 | 234.9 | 87.4 | 32.3 | 23.4 | 16.5 | 13.1 | 11.7 | 8.13 | 14.2 | 22.6 | |
2004 | 22.1 | 91.2 | 27.5 | 20 | 5.02 | 1.94 | 1.54 | 0.326 | 0. | 213.5 | 45.2 | 122 | |
2005 | 1,494 | 698.2 | 236.8 | 86.5 | 61.2 | 26.4 | 15.6 | 12.9 | 13.4 | 6.1 | 10.6 | 24.2 | |
2006 | 54.7 | 50.3 | 57.7 | 80 | 17 | 9.35 | 1.23 | 0.075 | 2.09 | 6.44 | 3.97 | 2.45 | |
2007 | 3.77 | 15.1 | 15.1 | 12.6 | 5.14 | 1.72 | 0. | 0. | 0. | 2.38 | 7.68 | 55 | |
2008 | 252.1 | 127.8 | 31 | 11.2 | 17.3 | 7.13 | 1.11 | 0. | 0. | 10.5 | 7.84 | 131.9 | |
2009 | 14.4 | 120.1 | 26 | 12.1 | 5.62 | 5.4 | 4.4 | 0.689 | 0. | 0. | 0. | 52.9 | |
2010 | 498.5 | 236.7 | 51.4 | 41.1 | 16.1 | 6.27 | 3.45 | 1.11 | 0. | 0.957 | 2.51 | 1,067 | |
2011 | 127.1 | 145.2 | 139.1 | 53.5 | 25 | 19.4 | 13.1 | 8.07 | 7.92 | 5.53 | 9.45 | 15.8 | |
2012 | 13.2 | 17.1 | 39.4 | 21.9 | 9.03 | 4.34 | 0. | 0. | 0. | 0. | 0. | 5.15 | |
2013 | 3.52 | 3.59 | 18.2 | 4.51 | 0.125 | 0. | 0. | 0. | 2.3 | 0.002 | 0. | 0. | |
2014 | 0. | 5.27 | 89 | 4.95 | 2.81 | 0. | 0. | 0. | 2.08 | 0. | 0. | 49.6 | |
2015 | 12.9 | 12.2 | 10.6 | 7.6 | 10.5 | 3.35 | 0.056 | 0. | 4.94 | 0.712 | 0.777 | 1.23 | |
2016 | 31.1 | 12.2 | 5.2 | 5.16 | 3.97 | ||||||||
Mean of monthly Discharge |
184 | 170 | 137 | 44 | 21 | 9.5 | 3.6 | 2.8 | 2.3 | 10 | 12 | 64 | |
** No Incomplete data have been used for statistical calculation |