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.

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