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Riverside Rainfall 1969-

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total Annual
normal 2.45 2.41 2.19 0.61 0.27 0.09 0.03 0.16 0.27 0.26 0.8 1.18 10.72
cum normal 2.45 4.86 7.05 7.66 7.93 8.02 8.05 8.21 8.48 8.74 9.54 10.72  
1969 7.45 7.96 0.82 0.61 0.57 0 0.04 0 0 0 1.16 0.03 18.64
1970 1.04 1.23 2.39 0.02 0.01 0 0 0 0 0.01 2.04 2.4 9.14
1971 0.77 0.34 0.12 0.44 0.41 0 0 0 0 0.47 0.09 3.22 5.86
1972 0 0.1 0.1 0 ? 0.23 0 0 0.06 0.16 1.34 1.34 3.33
1973 1.92 4.02 2.87 0 0 0 0 0.02 0 0.13 1.36 0.06 10.38
1974 4.17 ? 1.71 0.44 0.01 0 0 0 0 0.16 0.02 1.74 8.25
1975 0.17 1.1 2.82 1.08 0.11 0.03 0 0 0 0.11 0.43 0.57 6.42
1976 0 3.95 1.24 1.12 0.35 0.11 0.05 0 2.38 0.07 0.54 ? 9.81
1977 2.04 0.9 0.83 0 1.66 0.02 0 2.32 0 0 0 2.4 10.17
1978 5.61 4.17 5.61 1.36 0 0 0 0 0.98 ? 1.75 1.83 21.31
1979 4.89 1.92 4.3 0 0.41 0 0.17 0.02 0 0.84 0.12 0.2 12.87
1980 4.86 6.14 3.52 0.75 0.28 0   0 0 0.04 0.03 0.13 15.75
1981 2.34 1.21 2.2 0.31 0.05 0 0 0 0.16 0.26 1.19 0.31 8.03
1982 2.9 1.29 4.65 0.42 0.09 0 0.01 0.39 0.08 3.1 0.92 3.15 17
1983 3.15 3.66 5.75 3 0.43 0 0 1.45 1.24 0.73 1.96 1.54 22.91
1984 0.18 0.02 0.17 0.17 0.02 0.05 0.12 0.01 0.11 0.1 0.68 4.08 5.71
1985 0.93 0.78 0.62 0 0.03 ? 0 0 0.28 3.38 0.1 ? 6.12
1986 0.95 1.94 3.27 0.65 ? 0 0.16 0.51 0.33 0.34 0.42 ? 8.57
1987 ? 1.14 0.26 0 0.01 0.03 0.03 0.12 0.37 1.75 0.88 ? 4.59
1988 1.13 0.69 0.67 2.16 0.02 0 0 0 0.03 0 ? 2.76 7.46
1989 0.88 1.68 0.77 0.02 0.15 0.04 0 0 0.46 0.26 0.11 0 4.37
1990 1.64 2.41 0.37 0.52 0.45 0.03 0 0 0 0.04 0.33 0 5.79
1991 1.56 2.96 5.58 0.04 0.03 0 0.1 0 0.03 0.3 0.08 1.3 11.98
1992 1.94 4.08 3.22 0.02 0.11 0 0.26 0 0 0.58 0 3.61 13.82
1993 9.32 5.12 1.04 0 0.03 0.92 0 0 0 0.19 0.8 0.8 18.22
1994 0.73 3.12 2.72 0.76 0.52 0 0 0 0 0.24 0.38 0.55 9.02
1995 8.71 1.66 4.97 0.9 0.54 0.84 0.04 0 0.01 0 0 0.43 18.1
1996 1.65 3.62 1.34 0.13 0 0 0 0 0.01 0.64 1.67 1.1 10.16
1997 4.88 0.27 0 0.03 0.02 0.03 0 0 0.72 0.01 0.94 3.11 10.01
1998 2.78 9.49 2.38 0.33 1.59 0.06 0.02 0.54 0 0.17 0.45 0.4 18.21
1999 1.24 0.51 0.17 1.79 0.1 0.47 0.02 0 0 0 0.06 0.1 4.46
2000 0.51 2.85 1.52 0.61 0.03 0 0 0 0.25 0.42 0.1 0 6.29
2001 2.47 3.35 0.67 0.71 0.05 0 0.07 0 0 0.05 1.29 0.67 9.33
2002 0.39 0.16 0.35 0.32 0 0 0 0 0.02 0.04 0.78 1.74 3.8
2003 0 3.95 2.84 1.46 0.18 0.03 0.18 0 0 0 0.78 0.42 9.84
2004 0.42 2.48 0.73 1.06 0 0 0 0 0 4.4 0.78 2.7 12.57
2005 5.53 5.78 0.87 0.64 0.4 0.02 0 0 0.34 1.26 0.01 0.31 15.16
2006 0.25 1.62 1.79 1.38 0.41 0 0.03 0 0 0.02 0.05 0.4 5.95
2007 0.36 0.46 0.04 0.35 0 0 0 0 0 0 1.94 0.95 4.1
2008 2.77 0.65 0.02 0 0.54 0 0 0 0 0 1.07 2.6 7.65
Average 2.38 2.59 2.01 0.76 0.45 0.28 0.23 0.34 0.41 0.73 0.90 1.55 12.61

From:

UCR Climatological Data
http://gacc.nifc.gov/oscc/predictive/weather/ucr_data/ucr_climate_files.shtml
U.S. Weather Bureau Station at UCR
Science QC984 C2C44, 1967-2000,
QC984 C2C442 , 2000-
Hourly records (temperature, precipitation, dewpoint) bound in from 1987-
Riverside's daily maximum and minimum temperature, precipitation, heating and cooling units.  Averages, mean, total, departure from normal, by month.

Last modified: 1/8/2010 12:01 PM by M. Potter

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