CORVALLIS STATE UNIVERSITY, OR

Average of Maximum Temperature (Degrees Fahrenheit)

(351862)

File last updated on May 13, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)	JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC		ANN
1893	37.83	b	46.18		53.42		53.27		63.58		67.91	g	77.97		80.90		66.97		57.19		52.60		48.03	a	57.99	a
1894	46.32		44.86		52.03		58.67		66.47	a	67.50		81.06		84.10		70.67		61.42		54.17		45.48		61.06
1895	44.76	b	48.81	a	54.87		62.20		64.61		74.37		-----	z	82.03		68.40		66.58		51.10		46.45		60.38	a
1896	49.39		52.93		54.77		55.33		61.03		73.03		85.65		78.32		75.28	a	66.90		45.77		49.52		62.33
1897	44.87	a	49.89		-----	z	64.80		73.33	a	71.41	a	77.52		84.26		70.96	c	64.29		52.14	a	47.87		63.76	a
1898	44.16		51.64		53.10		62.28	a	66.42		-----	z	79.52		81.03		75.07		61.58		51.27		44.57	a	60.97	a
1899	48.87		46.93	a	52.84		58.10		61.16		71.37		81.16		73.45		77.57		61.61		57.33		48.13		61.54
1900	49.26		49.48	a	61.13		62.50		66.65		73.53		79.84		77.47	a	72.17		63.52	d	54.76	a	49.26		63.30
1901	45.30	a	49.93		55.82	i	59.33		66.94		68.33		76.61		84.26		70.37		69.23	a	54.63		45.97		62.81	a
1902	44.87		52.07		52.13		57.93		64.48		73.66	a	77.03		81.68		74.97		65.13		50.43		45.61		61.67
1903	46.94		46.93		54.55		58.27		66.55		73.10		75.42		78.10		75.37		63.45		50.90	a	45.90		61.29
1904	46.03		47.14	a	48.97		64.72	a	68.68		76.50	b	78.50	a	83.19		77.33		65.84		54.67		47.61		63.27
1905	45.84		51.41	a	58.52		65.47		64.81		71.80		84.10		81.69	b	74.03		60.81		51.50		44.81		62.90
1906	48.55		52.29		53.26		67.10		66.26		69.24	a	86.68		84.23		74.60		64.74		52.90	a	49.29		64.09
1907	43.33	a	55.39		52.84		63.47		70.48		73.47		80.22	d	78.00	a	74.77		66.48		56.57		48.55		63.63
1908	47.81		49.79		54.61		63.60		61.35		70.55	a	84.97		79.26		73.67		64.16		54.97		43.71		62.37
1909	41.39		48.46		55.97		61.07	a	63.77		73.80		73.87	a	78.81		75.33		63.97	b	52.43		-----	z	62.62	a
1910	45.00	t	42.37	a	56.87		61.86	a	69.61		69.69	a	81.00		77.84		72.60		63.16		50.73		46.26		62.91	a
1911	40.52		46.04		60.00		58.03		61.74		68.83		84.39		79.52		64.40		62.35		52.53		45.35		60.31
1912	47.81		52.41		53.00		58.83	g	69.30	a	72.60		78.03		71.43	a	-----	z	61.67	a	52.59	h	47.00	d	61.47	c
1913	44.17	a	47.32		53.13	a	60.53		67.32		72.23		79.58		81.55		74.77		62.41	b	52.93		46.48		61.87
1914	50.61		50.07		59.45		62.93		70.48		68.90		82.90		80.77	i	70.45	a	65.00		52.63		42.55		61.45	a
1915	45.00		51.00	a	61.19		68.37		64.52		76.30		77.26		83.74		72.73		65.47	a	-----	z	52.94		65.32	a
1916	38.29		55.90		54.00		62.37		62.00		72.57		74.19		81.20	a	72.50		62.71		52.07	a	44.67	a	61.04
1917	45.70	a	48.61		49.35		56.37		65.65		76.54	d	88.32		88.61		74.23		72.32	f	57.15	d	52.65		63.93	a
1918	50.71		50.00		55.87		64.00		67.76	b	83.00		84.18	i	82.50	e	84.97		68.07	b	52.93		46.58		64.22	a
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1920	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1921	45.00	a	51.75		54.97		59.07		65.61		73.37		79.80	a	80.13		72.27		66.48		53.83		44.42		62.22
1922	42.68		46.46		50.90		57.77		69.19		79.37		84.17	a	79.58		77.33		62.45		48.30		44.45		61.89
1923	46.35		45.64		55.39		61.70		66.16		71.80		78.74		84.42		77.00	a	65.19		57.07		47.87		63.11
1924	45.42		54.45		53.74		64.70		74.55		76.37		78.52	f	78.71		75.43		62.00		49.40		41.68		61.50	a
1925	48.77		52.21		56.39		62.90		71.00		75.30		84.48		80.10		73.97		67.23		52.03		50.52		64.57
1926	47.19		54.18		64.42		72.00		69.00		81.00		85.13		80.68		73.20		65.84		55.43		47.71		66.31
1927	45.74		51.32		54.87		60.50		65.16		74.68	e	81.71		82.42		71.40		63.97		54.50		43.58		62.49
1928	46.71		53.72		58.19		58.86	a	74.48		72.00		82.00		81.61		75.67		62.77		52.80		46.68		63.79
1929	42.35		45.96		57.03		57.50		69.48		72.37		81.16		83.23		78.47		70.17	a	54.62	a	49.84		63.52
1930	35.81		54.46		61.70	a	65.93		66.48		73.83		81.03		82.48		74.27		64.42		52.57		46.26		63.27
1931	50.23		52.86		57.45		67.30		75.50	a	73.50		84.84		83.70	a	72.76	a	65.00		51.53		45.57	a	65.02
1932	45.97		49.24		55.19		61.86	a	66.81		78.50		76.42		79.90		80.33		67.45		55.27		43.65		63.38
1933	44.13		45.93		54.58		63.47		60.35		71.30		81.94		82.97		68.63		67.10	a	52.90		51.23		62.04
1934	51.61		56.64		63.16		66.83		68.29		72.40		76.84		80.55		73.70		65.71		53.13		46.65		64.63
1935	44.58		50.54		49.71		59.80		69.61		76.17		79.94		83.71		81.67		63.60	a	49.87		46.84		63.00
1936	49.90		44.62		54.77		65.87		71.16		75.17		80.23		82.39		77.47		72.03		55.30		48.37	a	64.77
1937	38.26		47.79		57.65		58.33		70.06		74.63		81.45		80.19		76.17	a	69.45		54.83		49.03		63.15
1938	46.84		50.96		55.65		64.27		71.48		77.87		86.19		79.90		79.47		64.71		50.93		50.26		64.88
1939	49.10		47.36		59.10		67.57		71.65		72.93		83.03		84.55		77.63		65.39		56.72	a	51.94		65.58
1940	49.10		53.10		60.48		65.34	a	74.84		81.00		80.16		84.19		75.37		66.74		51.73		50.39		66.04
1941	49.39		56.50		65.10		66.10		68.55		72.97	a	86.74		79.10		70.70		63.74		54.03		48.00		65.08
1942	43.45		51.57		57.00		64.80		66.90		72.40		83.00		84.10	a	79.73		68.84		53.62	a	50.00		64.62
1943	42.10		55.86		56.19		66.27		67.10		71.87		82.06		78.42		81.47		63.87		54.60		47.26		63.92
1944	47.29		51.97		57.52		60.83		68.84		73.80		81.52		82.16		81.10		70.48		52.30		46.42		64.52
1945	49.77		52.89		53.97	b	59.57		69.52		75.37		84.61		82.97		75.28	a	68.23		51.60		48.10		64.32
1946	47.26		50.77	b	56.19		63.07		72.84		71.37		81.58		82.87	a	74.47		60.55		52.10		47.87		63.41
1947	43.71		56.11		61.39		64.86	a	74.81		71.10		77.32		80.19		79.07		62.68		55.13		49.74		64.68
1948	49.55		48.86		53.90		56.13		66.19		78.13		78.97		77.00		75.60		62.65		51.00		43.10		61.76
1949	-----	z	48.79		55.87		66.20		71.97		76.86	a	79.63	a	79.13		76.43		61.06		58.79	a	47.06		65.62	a
1950	36.63	a	49.54		53.00		60.63		68.81		74.13		82.94		85.90		78.27		60.29		54.57		53.71		63.20
1951	46.16		52.39		51.58		68.20		69.32		80.20		81.39		84.32		78.87		63.23		53.73		44.97		64.53
1952	45.00		50.93		53.32		65.63		69.76	b	69.83		84.00		81.06		80.63		71.94		46.30		47.35		63.81
1953	51.48		51.39		53.29		58.80		62.32		66.20		79.74		77.52		76.63		64.84		54.30		47.68		62.02
1954	45.58		50.75		53.65		59.43		68.23		66.87		76.13		75.97		72.37		63.29		55.79	a	46.77		61.24
1955	43.70	a	48.25		48.94		53.28	a	64.48		71.87		73.65		80.70	a	74.13		62.29		48.55	a	46.45		59.69
1956	46.39		41.55		51.26		62.20		69.87		68.60		82.77		79.74		76.47		61.16		50.50		45.03		61.30
1957	37.61		49.29		53.10		61.13		67.45		72.87		78.06		77.48		79.90		63.13		52.57		48.61		61.77
1958	47.23		54.39		53.87		58.63		73.03		73.70		86.03		86.74		75.43		67.55		53.47		51.03		65.09
1959	47.58		48.75		54.32		61.20		63.52		71.43		83.71		81.16		70.00		64.00		53.63		45.35		62.06
1960	41.29		49.07		53.32		58.90	a	62.00		75.20		85.19		78.00		75.70		65.32		52.83		45.65		61.87
1961	50.19		52.71		53.42		59.03		63.48		77.27		81.74		84.77		72.13		63.61		49.83		47.03		62.94
1962	43.81		48.75		51.42		62.50		59.48		72.60		80.48		78.23		76.07		61.74		54.40		47.29		61.40
1963	41.48		56.07		53.77		54.63		66.71		70.33		74.03		78.74		77.40		64.29		52.43		45.39		61.27
1964	47.03		49.86		51.71		57.03		62.97		69.00		78.45		77.16		73.30		66.26		48.07		45.58		60.54
1965	44.13		50.50		59.00		61.33		64.58		72.27		82.61		79.90		74.87		65.84		54.23		43.61		62.74
1966	45.00		48.86		52.55		62.97		69.13		73.73		78.55		81.58		76.03		64.23		53.93		49.13		62.97
1967	48.77		52.57		52.00		54.67		68.16		76.93		83.90		88.90		82.13		63.10		54.03		46.52		64.31
1968	45.52		56.50	a	56.55		58.87		64.77		72.77		81.35		76.16		72.70		61.77		53.31	a	44.32		62.05
1969	39.87		46.11		57.74		58.77		70.13		74.47		78.94		79.00		74.80		60.42		52.60		46.87		61.64
1970	45.74		54.29		55.65		55.90		66.65		77.43		82.19		81.81		71.97		63.10		54.03		45.13		62.82
1971	44.13		48.46		50.23		58.00		66.48		67.47		80.90		83.13		72.31	a	61.03		50.53		44.55		60.60
1972	44.52		50.55		56.71		55.43		68.97		73.13		84.84		84.87		72.73		65.16		53.57		42.10		62.71
1973	44.81		52.54		53.23		60.83		70.06		73.40		82.94		78.90		75.07		62.03		49.30		48.94		62.67
1974	43.61		47.32		53.97		57.53		63.61		74.60		77.52		82.16		83.63		68.10		53.43		48.94		62.87
1975	48.06		48.14		52.06		54.47		65.94		71.60		79.84		76.00		80.63		60.55		51.93		48.19		61.45
1976	47.39		49.31		52.19		57.30		67.06		69.90		79.13		76.10		76.53		66.45		55.57		43.58		61.71
1977	46.52		54.46		52.55		62.93		61.84		74.57		78.81		85.68		70.77		64.06		51.20		48.94		62.69
1978	46.61		51.68		59.19		57.83		63.55		75.03		80.68		80.03		69.93		67.13		48.93		42.97		61.96
1979	37.55		47.14		58.32		59.20		68.03		75.73		82.03		78.81		76.47		67.39		51.23		49.94		62.65
1980	44.84		50.83		53.81		62.03		64.87		67.87		80.58		79.35		76.47		67.10		54.27		48.55		62.55
1981	47.13		49.96		56.94		59.43		64.61		70.23		79.58		84.81		77.20		61.84		54.40		48.74		62.91
1982	42.97		49.32		54.42		57.67		68.13		74.30		77.84		81.03		74.00		64.29		49.53		46.77		61.69
1983	48.19		52.14		56.26		61.00		69.45		70.00		73.90		79.61		73.03		63.42		53.37		40.68		61.75
1984	48.68		52.14		57.90		57.20		63.65		69.70		81.06		81.29		74.60		59.03		51.23		43.77		61.69
1985	42.48		48.54		53.13		62.23		67.29		75.30		87.13		80.87		71.63		63.81		44.77		40.13		61.44
1986	49.58		50.04		60.16		59.17		65.74		77.43		76.39		87.19		71.20		65.32		53.93		46.03		63.52
1987	46.16		51.61		56.23		65.27		70.19		77.77		77.61		83.87		78.80		73.42		53.80		43.68		64.87
1988	44.74		52.07		56.32		60.93		64.16		71.63		82.42		82.45		78.37		68.23		52.63		45.77		63.31
1989	47.03		42.39		53.06		65.77		66.77		76.10		76.61		78.00		80.63		63.94		54.20		45.19		62.48
1990	48.61		46.89		57.65		64.07		65.06		71.63		84.74		82.16		78.17		61.84		53.13		40.16		62.84
1991	46.71		55.61		53.13		57.87		61.77		67.73		81.97		82.77		81.60		68.77		53.43		46.26		63.14
1992	49.45		56.07		62.10		63.77		74.35		79.70		82.03		85.45		74.90		65.90		52.03		44.58		65.86
1993	41.48		46.86		56.81		58.33		69.26		70.67		73.68		80.61		80.20		69.32		48.97		44.35		61.71
1994	49.48		48.96		59.65		62.10		68.71		71.57		84.81		81.90		79.77		64.00		47.73		48.23		63.91
1995	49.19		54.61		56.52		59.10		69.58		72.97		82.00		79.58		77.93		63.52		56.70		48.03		64.14
1996	47.39		49.90		56.65		61.70		63.52		73.37		85.35		83.52		73.40		62.61		52.70		47.61		63.14
1997	47.26		51.14		54.97		59.77		73.00		72.30		80.16		84.52		76.27		60.42		56.03		45.19		63.42
1998	49.48		52.57		56.48		60.77		62.94		73.20		83.74		84.35		80.70		63.35		53.60		45.03		63.85
1999	47.29		48.75		52.39		60.53		63.97		70.93		79.74		80.94		80.37		67.39		56.23		48.35		63.07
2000	45.81		50.45		53.77		63.43		66.58		76.33		80.23		81.71		76.10		65.35		50.07		46.84		63.06
2001	47.90		50.96		56.77		58.43		70.58		71.60		79.74		82.19		78.00		64.58		54.37		47.10		63.52
2002	46.06		52.21		52.45		61.03		64.65		74.57		83.90		83.35		79.23		65.71		55.63		49.45		64.02
2003	51.00		52.61		56.45		57.93		67.10		77.90	a	86.52		83.17	a	80.03		67.87		50.70		47.52		64.90
2004	-----	z	51.48		-----	z	-----	z	68.55		75.40		85.55		84.42		73.00		64.81		50.77		48.10		66.90	c
2005	48.39		52.07		59.90		60.83		68.32		69.70		83.19		86.42		76.43		63.94		51.20		45.32		63.81
2006	49.52		50.64		53.10		62.67		70.16		75.43		85.48		83.68		79.37		66.32		53.30		46.45		64.68
2007	45.55		51.36		59.13		61.00		67.97		73.67		83.06		81.29		75.63		60.65		52.27		46.32		63.16
2008	42.84		51.52		52.35		56.47		66.81		71.23		83.55		82.26		77.57		63.84		55.20		44.71		62.36
2009	46.61		49.96		52.48		60.20		68.97		74.20		85.61		82.58		78.43		62.26		53.30		42.81		63.12
2010	50.90		54.07		55.84		58.97		63.06		69.87		82.16		82.45		74.33		64.74		52.57		49.65		63.22
2011	48.35		48.82		53.65		56.37		62.58		70.63		-----	z	83.03		81.07		63.06		52.00		44.10	a	60.33	a
2012	48.23		51.10		51.52		61.57		66.52		70.30		79.81		84.77		79.43		66.06		54.03		47.65		63.42
2013	41.32		50.68		57.10		62.97		69.55		75.47		86.81		83.42		74.80		63.06		52.34	a	41.68		63.27
2014	47.32		47.79		59.03		62.07		70.68		74.20		86.39		87.19		80.83	a	69.77		53.20		50.87	a	65.78
2015	50.00		56.75		62.23		61.57		70.10		82.53		87.68		86.26		76.17		70.03		53.60		48.35		67.11
2016	48.39		55.41		56.81		67.90		71.35		77.33		80.58		86.13		76.17		62.26		57.87		43.65		65.32
2017	41.97		49.11		56.81		58.73		69.77		74.97		84.39		88.39		79.60		64.55		54.40		46.39		64.09
2018	50.94		50.32		53.97		61.27		71.68		75.87		87.74		85.19		76.83		68.23		55.63		49.29		65.58
2019	49.48		43.61		56.29		61.63		71.10		77.70		80.84		84.10		73.40		61.32		54.30		47.29		63.42
2020	50.19		52.34		55.65		63.67		68.97		73.53		82.84		85.19		77.90		66.16		53.13		49.60	a	64.93
2021	49.74		49.18		55.26		66.57		70.00		82.47		87.43	a	86.37	a	76.93	b	62.43	a	56.50		47.35		65.85
2022	47.65		50.96		57.58		57.03		64.06		73.40		84.90		87.52		81.03		71.97		50.00		45.97		64.34
2023	48.16		48.57		52.13		58.17		72.55		78.57	b	86.65		87.84		76.00		64.81		52.93		50.35		64.73
2024	47.77		52.76		55.58		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	52.04	i
Period of Record Statistics
MEAN	46.08		50.52		55.44		61.09		67.45		73.58		81.44		81.81		75.82		64.70		52.88		46.76		63.19
S.D.	3.35		3.13		3.18		3.54		3.47		3.36		3.44		3.15		3.55		2.89		2.42		2.58		1.43
SKEW	-0.87		-0.24		0.58		0.24		0.05		0.42		-0.22		-0.23		-0.18		0.52		-0.55		-0.05		0.20
MAX	51.61		56.75		65.10		72.00		75.50		83.00		88.32		88.90		84.97		73.42		58.79		53.71		67.11
MIN	35.81		41.55		48.94		53.27		59.48		66.20		73.65		71.43		64.40		57.19		44.77		40.13		59.69
YRS	127		130		127		127		129		127		125		128		128		128		127		128		113