San Luis Dam Elev. 277 ft.

30 Year Normals (1971-2000)
Month																Month
N o r m a l	Maximum		54.1	60.5	65.3	71.6	78.4	85.6	91.2	90.5	86.6	78.0	64.3	54.8	73.4	Maximum		N o r m a l
	Minimum		36.4	40.7	45.4	49.2	54.2	58.9	63.2	62.9	59.8	52.7	43.5	35.9	50.2	Minimum
	Precipitation		2.10	2.11	1.74	0.55	0.49	0.05	0.03	0.10	0.23	0.54	1.25	1.33	10.52	Precipitation
	Degree Days	Heating	613	403	306	175	81	17	1	0	5	78	337	609	2625	Heating	Degree Days
		Cooling	0	0	6	37	121	234	379	364	251	89	5	0	1486	Cooling
Monthly Precipitation
Year																Season
2008			M	M	M	M	M									2008-09	-
2007			0.58	1.49	0.28	0.32	0.01	0	0	0	M	M	M	M	M	2007-08	M
2006			2.39	0.76	3.04	1.25	1.09	0	0	0	0	0.32	0.55	1.07	10.47	2006-07	4.62
2005			1.74	3.12	2.13	0.70	0.61	0.10	0	0.04	0.03	0.06	0.28	2.59	11.40	2005-06	11.53
2004			0.89	2.42	0.31	0.11	0.11	0	0	0	0.07	1.84	0.96	2.81	9.52	2004-05	14.08
2003			0.67	1.41	0.97	0.58	0.70	0	T	0.35	0	0.08	0.64	3.36	8.76	2003-04	8.27
2002			0.77	0.53	0.85	0.17	0.23	0	0	0	0	0	2.04	2.96	7.55	2002-03	9.33
2001			2.49	2.43	1.40	0.62	0	0	0	0	0	0.13	1.97	2.23	11.27	2001-02	6.88
2000			3.50	4.03	0.47	0.58	0.12	0.04	0	0	0.03	2.10	0.44	0.18	11.49	2000-01	9.66
1999			2.39	1.10	2.08	0.48	0.08	0	0	0	0	0.03	0.40	0.05	6.61	1999-00	9.22
1998			3.35	9.03	1.97	1.75	6.56	0.02	0	0	0	0.40	1.54	0.49	25.11	1998-99	8.56
1997			5.91	0.13	0.03	0.01	0.16	0.05	0	0	0	0.17	2.95	1.95	11.36	1997-98	27.75
1996			2.37	3.44	1.13	0.39	0.74	0	0	0	0	1.78	2.32	3.92	16.09	1996-97	14.31

Map from tiger.census.gov