Annual Rainfall at Lake Cuyamaca, San Diego County
Based on Water Year (October-September)
A water year is defined as the calendar year that begins October 1 and ends September 30.
| Year |
Actual rainfall (inches) |
Normal rainfall (inches)* |
% of normal |
| 1965 |
27.86 |
35.40 |
79 |
| 1966 |
37.48 |
35.40 |
106 |
| 1967 |
47.04 |
35.40 |
133 |
| 1968 |
28.49 |
35.40 |
80 |
| 1969 |
46.85 |
35.40 |
132 |
| 1970 |
20.48 |
35.40 |
58 |
| 1971 |
30.23 |
35.40 |
85 |
| 1972 |
20.98 |
35.40 |
59 |
| 1973 |
52.10 |
35.40 |
147 |
| 1974 |
23.58 |
35.40 |
67 |
| 1975 |
34.79 |
35.40 |
98 |
| 1976 |
34.48 |
35.40 |
97 |
| 1977 |
25.14 |
35.40 |
71 |
| 1978 |
54.80 |
35.40 |
155 |
| 1979 |
42.26 |
35.40 |
119 |
| 1980 |
72.39 |
35.40 |
204 |
| 1981 |
21.80 |
35.40 |
62 |
| 1982 |
40.10 |
35.40 |
113 |
| 1983 |
74.42 |
35.40 |
210 |
| 1984 |
28.44 |
35.40 |
80 |
| 1985 |
33.00 |
35.40 |
93 |
| 1986 |
40.63 |
35.40 |
115 |
| 1987 |
21.67 |
35.40 |
61 |
| 1988 |
31.06 |
35.40 |
88 |
| 1989 |
22.45 |
35.40 |
63 |
| 1990 |
20.17 |
35.40 |
57 |
| 1991 |
34.65 |
34.58 |
100 |
| 1992 |
34.21 |
34.57 |
99 |
| 1993 |
60.46 |
34.57 |
175 |
| 1994 |
32.28 |
34.57 |
93 |
| 1995 |
56.82 |
34.57 |
164 |
| 1996 |
19.87 |
34.57 |
57 |
| 1997 |
27.39 |
34.57 |
79 |
| 1998 |
55.00 |
34.57 |
159 |
| 1999 |
25.52 |
34.57 |
74 |
| 2000 |
19.40 |
34.57 |
56 |
| 2001 |
15.07 |
37.37 |
40 |
| 2002 |
9.46 |
35.83 |
26 |
| 2003 |
34.46 |
35.83 |
96 |
| 2004 |
14.89 |
35.83 |
42 |
| 2005 |
55.39 |
35.83 |
155 |
| 2006 |
23.44 |
35.83 |
65 |
| 2007 |
14.94 |
35.83 |
42 |
| 2008 |
27.32 |
35.83 |
76 |
| 2009 |
19.78 |
35.83 |
55 |
|
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| *Normal rainfall is the average of a previous period of multiple years. |
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