Hopland Research and Extension Center Headquarters
Mean Maximum Temperature by Month
	Jan	Feb	Mar	April	May	Jun	Jul	Aug	Sept	Oct	Nov	Dec	MEAN
1952											63.80	52.70	58.25
1953	58.60	62.30	61.80	68.40	69.90	78.40	93.90	84.50	88.40	76.10	61.30	56.70	71.69167
1954	52.30	64.20	58.80	71.00	77.90	79.80	92.30	83.40	83.50	75.30	63.10	52.20	71.15
1955	51.20	58.50	64.00	60.60	75.30	81.30	86.80	94.20	89.60	77.80	61.20	53.80	71.19167
1956	50.80	55.40	63.70	66.60	74.20	83.40	91.20	88.80	86.60	73.80	65.90	56.90	71.44167
1957	50.40	57.20	58.80	68.30	69.40	87.60	89.30	88.60	86.40	68.30	61.70	54.70	70.05833
1958	55.20	57.90	57.80	66.70	78.50	80.50	90.50	96.60	90.70	84.10	65.00	62.30	73.81667
1959	56.90	56.20	68.20	75.50	73.40	85.60	96.70	92.00	82.40	80.60	71.10	59.00	74.8
1960	51.30	59.20	64.50	65.50	70.80	90.20	96.00	93.00	90.60	76.40	59.90	55.70	72.75833
1961	57.00	58.10	58.50	70.50	68.60	88.40	94.60	92.20	86.40	78.40	63.70	54.20	72.55
1962	58.10	56.60	58.50	74.60	72.60	86.40	93.50	90.20	85.80	72.90	63.90	56.90	72.5
1963	55.30	64.40	60.40	58.80	71.80	82.30	87.50	89.60	87.70	74.60	60.30	56.10	70.73333
1964	52.60	64.70	61.70	69.30	72.00	80.50	91.30	92.30	86.40	81.70	58.00	53.70	72.01667
1965	54.10	62.00	64.40	64.60	75.80	78.50	90.70	89.40	82.90	83.00	59.70	50.90	71.33333
1966	53.50	56.00	62.90	75.60	79.40	84.40	88.10	93.20	86.80	80.60	62.30	54.00	73.06667
1967	55.30	64.00	58.90	54.80	77.40	81.40	94.80	97.50	91.10	77.60	66.20	52.50	72.625
1968	53.20	61.40	64.80	72.50	74.30	87.00	93.80	85.90	87.40	75.10	59.70	49.40	72.04167
1969	50.80	50.80	62.80	66.30	77.80	80.10	93.40	95.70	89.60	72.10	64.60	55.60	71.63333
1970	54.20	62.70	66.20	66.10	78.70	85.10	94.30	92.90	89.70	75.60	60.10	49.20	72.9
1971	54.80	61.20	59.90	64.70	71.60	80.90	93.00	93.60	87.90	75.90	62.10	49.30	71.24167
1972	52.90	58.90	67.20	66.80	78.30	86.10	92.00	92.40	82.80	70.60	58.70	48.40	71.25833
1973	51.20	58.40	58.50	72.70	82.30	88.10	92.00	91.60	85.00	75.50	56.30	53.20	72.06667
1974	51.00	57.50	59.90	66.50	76.70	86.00	90.10	92.80	92.80	88.10	61.80	53.90	73.09167
1975	56.00	56.40	58.30	61.40	79.00	86.50	89.90	89.50	90.40	71.30	59.30	54.30	71.025
1976	56.50	59.20	62.50	63.90	79.90	84.60	91.30	82.80	86.40	82.00	68.60	56.00	72.80833
1977	56.20	65.60	60.20	73.30	66.60	87.60	92.70	92.60	82.60	76.20	62.50	56.10	72.68333
1978	56.40	59.90	66.00	64.30	77.60	83.50	92.90	92.70	82.80	84.50	61.90	52.00	72.875
1979	52.50	55.60	62.10	66.50	77.60	88.00	91.10	88.90	89.90	74.20	59.20	55.70	71.775
1980	56.00	60.20	61.90	69.00	73.70	79.00	92.40	90.30	86.10	80.60	64.40	55.60	72.43333
1981	56.30	61.40	61.40	70.70	76.90	89.20	94.60	93.00	86.30	72.50	62.40	55.10	73.31667
1982	50.80	60.90	59.20	65.00	79.50	80.20	89.70	91.40	83.90	74.50	58.30	52.40	70.48333
1983	55.60	57.10	57.50	62.70	75.90	83.00	85.70	90.20	87.20	78.30	58.00	53.40	70.38333
1984	57.60	57.70	67.10	65.70	79.20	84.90	96.40	91.60	92.50	69.00	56.20	50.20	72.34167
1985	53.10	63.40	59.70	74.60	75.90	89.50	94.50	89.40	79.60	75.70	56.80	54.30	72.20833
1986	57.40	60.20	68.70	69.20	76.00	85.00	90.50	94.00	78.70	77.60	65.50	53.70	73.04167
1987	52.40	60.10	61.70	76.60	80.50	88.00	84.90	93.00	89.70	81.80	60.40	50.80	73.325
1988	53.40	66.50	69.40	69.50	73.20	82.20	96.00	92.50	92.20	82.50	59.20	54.60	74.26667
1989	54.50	55.80	60.60	73.70	75.40	84.30	90.60	89.40	84.30	74.80	64.80	55.50	71.975
1990	54.50	56.50	66.00	72.50	75.00	83.20	92.70	90.50	87.60	82.30	62.80	49.20	72.73333
1991	57.30	66.90	56.60	66.60	72.50	82.50	93.20	88.80	93.80	85.50	64.30	55.10	73.59167
1992	54.80	62.00	65.30	73.30	85.10	85.50	89.90	95.60	89.10	80.10	62.90	51.70	74.60833
1993	51.70	56.70	66.80	66.20	72.20	82.10	89.00	91.40	90.20	79.10	64.10	52.80	71.85833
1994	55.70	56.70	69.20	70.60	75.30	85.10	94.60	93.00	89.00	77.20	54.60	49.70	72.55833
1995	53.40	63.60	60.90	66.70	73.10	80.70	90.10	92.70	88.70	82.50	68.70	55.70	73.06667
1996	54.00	60.00	67.90	70.50	76.70	86.70	97.20	96.10	87.80	77.40	62.50	54.30	74.25833
1997	54.30	62.00	69.40	70.50	83.80	83.00	93.20	89.10	88.00	74.80	62.50	54.50	73.75833
1998	54.00	53.50	63.50	66.30	65.30	80.10	91.50	96.50	88.00	74.80	57.90	51.20	70.21667
1999	55.40	53.45	58.20	68.10	75.30	83.80	90.30	89.10	91.00	81.90	62.70	55.10	72.02917
2000	53.20	56.40	64.50	72.10	76.30	89.00	88.40	92.10	86.70	75.20	58.20	54.00	72.175
2001	52.70	55.90	68.60	66.70	87.80	86.60	91.60	92.90	88.90	82.90	61.90	52.90	74.11667
2002	52.90	62.30	64.70	70.30	77.00	88.10	95.50	92.60	91.60	80.90	65.80	54.90	74.71667
2003	58.00	60.90	67.40	61.30	76.70	87.50	96.50	91.10	92.70	84.90	57.00	52.90	73.90833
2004	53.40	57.30	74.60	72.80	78.50	86.70	93.30	92.40	91.00	75.10	60.20	54.00	74.10833
2005	53.20	61.50	67.10	67.30	74.30	78.30	97.00	95.10	86.70	77.70	62.50	53.70	72.86667
2006	54.10	62.40	54.50	63.90	79.90	89.20	99.10	92.60	90.80	78.10	60.20	52.30	73.09167
2007	54.50	57.10	71.40	71.30	81.50	87.10	92.60	94.00	85.20	71.80	65.00	51.50	73.6
2008	50.50	60.00	65.20	69.90	80.70	88.70	95.10	96.30	91.30	80.00	62.70	50.70	74.25833
2009	58.30	57.90
MEAN	54.23	59.49	63.22	68.20	76.08	84.49	92.32	91.67	87.70	77.71	61.83	53.64	72.54831