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Annual Rainfall at Lake Henshaw, San Diego County
Based on Water Year (October-September)
| Year |
Actual Rainfall (In) |
Normal Rainfall (In) |
% of Normal |
| 1964 |
20.55 |
27.42 |
75 |
| 1965 |
22.32 |
27.42 |
81 |
| 1966 |
27.51 |
27.42 |
100 |
| 1967 |
33.80 |
27.42 |
123 |
| 1968 |
17.58 |
27.42 |
64 |
| 1969 |
44.70 |
27.42 |
163 |
| 1970 |
15.05 |
27.42 |
55 |
| 1971 |
19.65 |
27.42 |
72 |
| 1972 |
15.51 |
27.42 |
57 |
| 1973 |
33.84 |
27.42 |
123 |
| 1974 |
13.43 |
27.42 |
49 |
| 1975 |
24.01 |
27.42 |
88 |
| 1976 |
27.42 |
27.42 |
100 |
| 1977 |
19.38 |
27.42 |
71 |
| 1978 |
48.76 |
27.42 |
178 |
| 1979 |
40.61 |
27.42 |
148 |
| 1980 |
55.25 |
27.42 |
201 |
| 1981 |
19.81 |
27.42 |
72 |
| 1982 |
35.35 |
27.42 |
129 |
| 1983 |
50.20 |
27.42 |
183 |
| 1984 |
20.38 |
27.42 |
74 |
| 1985 |
22.19 |
27.42 |
81 |
| 1986 |
32.09 |
27.42 |
117 |
| 1987 |
18.56 |
27.42 |
68 |
| 1988 |
26.00 |
27.42 |
95 |
| 1989 |
15.43 |
27.42 |
56 |
| 1990 |
16.19 |
27.42 |
59 |
| 1991 |
31.18 |
27.42 |
114 |
| 1992 |
27.32 |
27.42 |
100 |
| 1993 |
55.55 |
27.42 |
203 |
| 1994 |
22.95 |
25.29 |
91 |
| 1995 |
44.17 |
25.29 |
175 |
| 1996 |
14.99 |
25.29 |
59 |
| 1997 |
23.28 |
25.29 |
92 |
| 1998 |
46.43 |
25.29 |
184 |
| 1999 |
15.83 |
25.29 |
63 |
| 2000 |
16.87 |
25.29 |
67 |
| 2001 |
17.54 |
25.29 |
69 |
| 2002 |
7.81 |
25.29 |
31 |
| 2003 |
27.49 |
25.29 |
109 |
| 2004 |
13.71 |
25.29 |
54 |
| 2005 |
46.91 |
25.27 |
186 |
| 2006 |
21.12 |
24.71 |
85 |
| 2007 |
10.13 |
25.05 |
40 |
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