CORVALLIS STATE UNIVERSITY, OR

Average of Average Temperature (Degrees Fahrenheit)

(351862)

File last updated on April 19, 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	32.20	d	38.98		44.39		45.30		52.92		55.86	h	62.33	b	63.81		56.68		47.53		43.63		42.05	b	48.17	a
1894	40.44		37.88		43.68		48.87		54.31	b	57.70		64.79		67.27		58.98		50.85		45.87		38.77		50.78
1895	37.82	c	41.46	a	43.90		50.08		53.89		60.30		-----	z	64.60		55.42		52.52		41.95		40.02		49.27	a
1896	41.92		44.81		44.29		46.23		51.13		59.22		67.74		65.55		59.12	b	52.76		38.09	a	43.47		51.19
1897	38.79	b	42.70		-----	z	53.37		60.18	a	60.62	a	62.90		68.69		59.10	e	52.74		45.41	b	43.27		53.43	a
1898	39.35		45.48	a	43.82		51.69	a	54.92		-----	z	64.50		66.76		61.58		50.63		43.43		37.41	b	50.87	a
1899	42.69		38.83	b	43.45		48.05		52.55		58.47		64.98		61.31		62.28		51.15		50.83		41.66		51.35
1900	42.29		42.21	b	51.00		51.40		55.48		61.60		64.66		61.62	a	58.68		52.56	d	49.11	b	44.11		52.89
1901	38.96	c	42.14		45.39	l	49.52	a	56.08		57.47		62.15		67.35		57.67		57.53	a	47.47		40.16		52.41	a
1902	37.68		45.62		44.81		48.43		55.15		60.36	a	63.74		65.89		59.93	a	53.60		44.25		40.19		51.64
1903	40.53	b	38.36		44.45		47.77		55.23		61.50		62.02		63.95		60.68		52.52		44.97	a	39.56		50.96
1904	40.52		41.24	b	42.84		53.55	a	55.81		61.67	c	64.73	a	66.02	a	61.65		54.16		47.90	a	41.53	b	52.63
1905	40.00	a	42.74	a	49.77		53.18		54.63		60.23		68.45		65.29	c	61.38		50.71		42.37		39.27	c	52.34
1906	43.48		44.00		44.32		53.72		55.15		57.71	a	70.34		66.93	a	61.19	a	53.77		45.98	a	43.23		53.32
1907	37.00	g	47.14		44.65		51.72		57.11		61.08		65.21	e	64.50	a	60.93		56.10		46.62		43.45		54.41	a
1908	41.82		42.16		45.53		51.15		51.08		58.48	a	69.47		64.39		59.13		52.40	a	47.24	a	38.02	a	51.74
1909	36.34	b	43.43	a	46.65		49.14	b	52.08		60.57		62.10	a	62.92		61.35		53.90	b	44.65		-----	z	52.10	a
1910	38.45	u	37.65	b	47.76		50.53	a	57.50		58.10	a	65.71		62.73		59.07		53.47		44.43		40.69		52.51	a
1911	34.95		38.00		47.05		46.38		50.98		56.52		69.50		67.48		54.05		51.24		44.45		39.63		50.02
1912	42.13		45.93		43.69		48.35	g	56.88	a	61.15		65.15		60.70	a	-----	z	49.18	a	45.12	i	41.30	d	51.79	c
1913	38.60	a	38.80		44.53	b	49.55	a	54.52		60.03		64.97	a	66.27		59.45		52.44	f	46.41	b	40.73		51.26	a
1914	44.95		42.48	a	49.50	b	52.57		57.60	a	57.92		67.03		65.02	i	58.95	a	55.50		45.33		35.52		51.58	a
1915	38.79		43.85	a	50.52		54.58		54.73		65.08		68.27		74.38	c	61.43		52.82	a	-----	z	44.47		55.36	a
1916	32.37		46.17		46.11		50.45	a	51.79		59.48		62.58		67.12	b	59.73		48.87		42.29	a	38.58	a	50.46
1917	38.62	b	41.09		40.84		47.73		54.56		60.33	d	69.00		69.27		61.50		56.08	f	47.40	d	47.13		52.50	a
1918	45.19		42.20		45.85		49.97		54.22	b	65.60		66.23	i	66.50	e	66.90		55.31	b	44.57		39.79		52.37	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	39.82	a	44.95		46.53		48.80		54.48		61.45		63.35	a	64.55		57.95		54.89		47.15		38.11		51.84
1922	35.35		38.86		42.39		46.37		55.90		62.75		65.88	a	64.35		61.65		52.77		40.10		37.84		50.35
1923	40.32		37.12		43.71		50.40		54.90		59.88		65.79		68.50		62.31	a	53.71		47.24	a	40.71		52.05
1924	37.73		46.71		44.21		51.18		58.69		61.92		63.58	f	64.48		60.18		52.18		43.16	a	34.97	b	50.49	a
1925	43.53	a	45.79		46.18		52.28		58.27		61.50		67.37		64.40		60.62		52.94		45.05		43.68		53.47
1926	40.23		46.89		50.79		57.12		56.53		64.13		66.61		65.39		59.20		54.84		47.68		41.05		54.21
1927	39.37		43.09		44.56		48.37		53.26		61.24	e	65.84		65.84		60.40		53.61		48.58		37.34		51.79
1928	40.32		44.10		49.82		49.41	a	59.55		61.47		67.81		66.71		61.40		53.63	a	46.23		40.30	a	53.40
1929	36.18		37.75		47.73		47.85		57.00		61.33		66.94		68.16		63.78		57.45	b	44.02	a	44.19		52.70
1930	29.35		46.48		50.50	a	55.45	a	54.50		61.25		66.18		68.44		62.47		53.05	a	44.53		39.97		52.68
1931	43.60		43.70		48.65		55.30		61.50	a	62.03		69.32		68.08	a	61.19	a	54.90		44.64	b	40.52	a	54.45
1932	40.11		42.38		47.98	a	51.48	a	56.16		64.78		63.90		67.55		64.45		56.84		48.37		37.29		53.44
1933	39.00		38.96		46.39		51.53		52.03		60.82		67.21		68.29		58.62		52.73	a	45.18		46.79		52.30
1934	46.21		47.96		53.60		55.87		58.27		61.38		64.95		66.79		60.93		56.32		48.68		41.89		55.24
1935	38.63		43.39		42.48		50.50		55.89		63.33		66.21		68.34		66.48		53.07	a	42.57		40.55		52.62
1936	43.98		37.86		45.60		54.73		60.10		64.15		67.37		68.11		63.13		57.89		43.95		43.05	a	54.16
1937	31.83	a	41.46		49.23		49.22		58.00		63.95		68.08		66.18		63.71	a	58.55		49.40		43.39		53.58
1938	40.90		43.38		46.79		53.55		58.87		64.22		70.35		65.55		66.35		55.23		43.37		43.15		54.31
1939	42.89		40.75		48.92		55.05		58.84		60.90		68.43	a	69.10		64.38		55.65		48.71	b	45.93	a	54.96
1940	41.95		46.55		51.16		54.14	a	61.19		65.87		67.13		69.15		64.65		58.18		44.40		44.06		55.70
1941	43.29		47.07		52.87		54.03		57.42		61.93	a	71.47		67.13		60.57		54.26		47.33		43.02		55.03
1942	37.06		42.64		46.63		53.57		56.50		61.22		69.13		68.83	a	64.03		56.18		46.48	a	44.52		53.90
1943	35.55		45.93		46.76		54.28		55.40		60.23		66.92		65.03		66.03		55.02		46.38		39.89		53.12
1944	39.89		43.74		46.66		50.60		56.23		60.97		66.79		66.94		65.57		58.48		44.40		38.55		53.23
1945	42.18		45.20		45.45	b	49.78	a	58.08		62.30		68.19		66.77		61.00	a	54.65		45.80		41.76		53.43
1946	40.63		43.10	b	46.65		51.18		58.98		59.08		66.53		67.17	a	60.28		50.44		43.65		41.47	a	52.43
1947	37.11		45.91		50.44		53.29	a	60.29		60.20		64.15		65.06		63.85		54.40		47.07	a	42.61		53.70
1948	40.32		41.28		44.73		47.23		55.55		65.15		65.13		64.40		61.45		52.23		44.07		37.05		51.55
1949	-----	z	41.16		47.77		53.95		59.27		63.02	a	65.37	a	65.55		63.40		49.87		50.16	a	41.18		54.61	a
1950	31.20	a	41.70	a	45.27		49.90	a	55.69		62.10		67.66		68.97		63.43		53.19		47.55		48.11		52.90
1951	40.35		44.64		42.77		53.72		56.97		64.33		65.95		66.94		63.57		54.08		46.62		39.26		53.27
1952	39.45		43.41		45.55		53.07		56.79	b	58.13		66.82		64.84		63.58		56.77		38.40		40.77		52.30
1953	46.26		43.23		44.44		49.12		52.98		56.53		64.53		64.90		63.22		53.02		47.03		41.74		52.25
1954	39.31		41.70		42.68		48.95		55.82		57.12		62.76		63.05		59.30		50.95		48.38	a	39.76		50.81
1955	37.93	a	39.68		40.89		44.45	a	52.21		59.50		61.16		63.88	a	59.83		52.66		42.29	b	40.68		49.60
1956	40.87		35.88		43.47		50.58		57.95		57.60		66.81		65.18		61.80		50.97		41.58		39.44		51.01
1957	31.55	a	41.89		46.31		50.95		57.47		61.20		63.60		62.92		64.35		52.73		41.88		42.66		51.46
1958	40.98		47.79		44.23		49.75		59.85		63.63		70.24		69.73		62.00		54.50		46.17		44.63		54.46
1959	41.74		41.16		45.06		50.13		53.11		60.23		67.55		65.19		58.92		53.97		43.88		39.40		51.70
1960	35.52		41.76		44.55		49.19	a	52.34		61.53		67.18		63.58		61.30		53.50		45.00		38.71		51.18
1961	43.13		45.95		45.79		49.62		54.18		63.42		66.34		68.68		58.63		52.10		41.68		41.08		52.55
1962	36.63		41.27		43.31		51.55		50.94		59.05		64.58		64.13		62.28		52.61		46.87		41.60		51.23
1963	34.10		47.52		44.65		46.77		55.26		59.20		62.03		65.18		64.25		53.66		46.07		38.81		51.46
1964	40.84		40.88		43.32		47.43		51.63		58.25		64.56		63.77		58.58		53.50		41.85		40.19		50.40
1965	39.58		43.21		47.44		51.03		52.69		59.23		66.55		66.52		60.48		54.81		47.83		38.13		52.29
1966	39.60		40.71		44.56		51.12		55.65		61.00		64.73		66.15		62.88		52.56		46.80		43.82		52.46
1967	43.15		43.11		43.66		44.73		55.00		63.40		67.13		70.90		65.47		52.84		46.85		40.97		53.10
1968	39.69		48.17	c	47.13		47.28		53.73		60.43		66.00		64.03		60.37		50.94		45.98	a	38.35		51.84
1969	34.34		39.14		45.94		48.18		57.81		64.05		64.31		63.40		61.87		50.87		44.97		41.37		51.35
1970	40.98		44.82		46.10		46.38		54.40		63.83		66.11		65.32		58.67		51.20	a	45.93		39.55		51.94
1971	39.31		40.86		42.39		47.88		54.56		56.97		65.77		67.53		58.81	a	50.23		43.82		38.95		50.59
1972	38.45		42.74		47.79	b	46.12		56.50		61.31	a	68.40		68.73		59.47		52.76		47.05	a	35.29	b	52.05
1973	37.94		44.68		44.76		49.82		56.77		61.50		66.97		63.74		62.53		52.44		43.80		43.69		52.39
1974	36.40		40.96		45.56		48.76	a	53.02		61.50		64.48		66.97		65.93		52.52		45.95		43.00		52.09
1975	42.42		40.82		43.87		44.73		54.16		59.17		65.48		63.18		63.60		52.02		43.73		42.08		51.27
1976	41.03		40.95		43.32		47.67		54.13		57.17		64.76		64.13		62.93		53.63		46.85		37.23	a	51.15
1977	37.18		44.43		43.61		50.25		51.56		61.07		63.67	a	69.60		59.30		53.61		44.12		43.85		51.85
1978	41.82		45.75	b	49.14	c	49.86	a	53.87	a	62.97		66.68		66.55		59.75		53.77		39.92		36.29		52.20
1979	31.61		41.59		48.40		50.27		55.58		61.07		66.48		64.82		63.22		56.63		43.68		43.50		52.24
1980	37.39		43.12		45.68		51.07		53.98		58.05		66.52		63.32		61.85		54.24		47.05		42.87		52.09
1981	40.63		42.73		46.82		50.02		54.42		59.25		65.45		68.34		62.22		51.35		47.12		42.94		52.61
1982	37.89		42.09		45.00		47.02		55.37		62.70		64.60		66.21		61.65		53.34		42.00		41.05		51.58
1983	42.24		45.70		49.27		50.13		57.05		59.42		63.02		66.55		60.40		51.92		47.62		35.87		52.43
1984	41.87		43.90		49.10		48.07		53.16		58.17		66.08		65.27	a	61.02		50.44		45.13		37.85		51.67
1985	35.27		40.21		43.50		52.05		55.03		61.33		69.71		65.45		58.73		52.23		38.13		32.82		50.37
1986	42.69		43.70		50.92		49.22		55.10		64.32		63.18		69.73		59.33		55.15		46.97		39.27		53.30
1987	39.61		44.09		47.42		52.80		58.16		63.48		65.12	a	67.85		62.80		57.44		47.28		39.10		53.76
1988	38.95		43.47		46.44		51.53		54.00		60.13		67.11		66.26		62.38		57.40		46.60		40.00		52.86
1989	40.92		35.21		45.60		54.82		55.42		63.32		64.10		64.61		64.31	a	52.45		46.38		39.50		52.22
1990	42.29		40.23		47.69		52.82		54.27		61.12		68.81		68.03		65.02		51.16		46.13		33.82		52.62
1991	38.82		48.14		44.60		48.85		52.48		57.42		67.23		67.48		65.85		54.73		47.30		41.18		52.84
1992	43.31		47.40		50.58		53.70		60.34		65.35		68.08		68.44		61.85		55.00		45.83		38.95		54.90
1993	34.81		38.86		49.18		50.28		58.77		60.30		62.60		67.19		62.62		56.15	a	39.65		38.95		51.61
1994	43.26		41.02		49.06		51.55		57.26		59.42		67.95		66.03		64.55		52.02		40.73		41.81		52.89
1995	43.79		46.43		46.97		49.03		57.55		61.58		68.53		64.81		65.48		52.97		50.32		42.08		54.13
1996	42.23		42.10		47.48		52.08		53.29		60.23		69.76		67.94		60.22		52.61		45.55		41.73	a	52.94
1997	41.27		43.36		46.77		50.13		60.02		60.07		66.32		69.26		63.62		51.84		48.28		38.84		53.31
1998	43.15		44.89		47.32		49.72		54.45		60.78		68.98		68.23		64.57	a	52.90		47.40		39.34		53.48
1999	41.53		42.68		44.21		49.07		52.76		58.97		64.29		67.29		62.90		53.69		49.13		41.94		52.37
2000	39.47		43.38		44.48		51.58		55.90		62.53		65.32		65.35		62.30		53.45		41.35		39.87		52.08
2001	40.10		41.18		46.76		47.62		56.52		58.52		65.06		66.48		62.83		52.47		47.62		40.90		52.17
2002	40.84		43.25		43.52	a	50.63		53.63		60.93		67.76		66.42		63.29	a	52.40		46.12		43.21		52.67
2003	44.00		43.64		48.92		49.35		55.42		63.34	b	68.87		67.28	b	64.32		56.53		43.02		41.52	a	53.85
2004	-----	z	43.64		-----	z	-----	z	57.16		62.73		68.87		69.16		60.97		54.53		43.45		42.26		55.86	c
2005	41.34		42.09		48.40		50.12		57.68	a	58.95		68.31		68.34		60.28		54.60		42.85		38.79		52.65
2006	44.11		41.54		44.35		51.22		57.00	a	63.85		69.34		66.23		62.27		52.32		46.50		40.08		53.23
2007	38.27		44.25		48.81		49.45		55.19		60.35		68.71		66.35		61.32		51.35		43.82		40.47		52.36
2008	36.84		42.21		42.92		46.53		56.13		58.33		66.93	a	67.35		61.63		51.79		48.28		37.68		51.39
2009	39.52		41.20		43.73		48.70		55.76		62.73		69.42		66.48		63.48		51.62	a	45.03	a	35.94		51.97
2010	44.76		46.04		46.15		48.90		52.97		59.12		66.38	a	65.77		62.31	a	53.48		45.12		43.58		52.88
2011	41.74		40.57		46.47		46.81	a	52.76		59.72		-----	z	67.92		65.25		53.77		44.48		37.78	a	50.66	a
2012	40.84		42.83		43.40		51.58		54.82		59.45		65.60		67.65		62.62		54.56		47.80		42.06		52.77
2013	36.11		43.02		47.10		51.70		57.90		62.58		69.34		68.52		63.73		51.34		44.97	a	34.68		52.58
2014	40.39		41.32		48.66		51.33		58.39		61.55		70.65		70.76		65.45	a	58.74		45.30		44.80	a	54.78
2015	42.89		48.54		49.87		49.62		57.77		66.70		70.24		69.71		61.62		58.10		44.08		43.27		55.20
2016	42.40		46.71		48.19		54.72		58.60		63.30		66.50		68.32		61.17		54.50		50.40		36.81		54.30
2017	35.10		42.09		48.20	a	49.18		57.37		63.25		67.94		71.13		65.05		52.37		46.77		38.18		53.05
2018	43.81		41.52		44.03		50.95		58.73		61.95		69.61		68.15		61.28		55.00		46.25		41.68		53.58
2019	41.15		37.39		44.76		52.07		57.68		62.63		66.53		68.58		62.30		49.06		44.00		41.02		52.26
2020	44.74		42.48		44.19		51.40		57.34		62.02		67.24		68.34		64.35		54.13		44.18		41.97	a	53.53
2021	43.03		41.82		44.02		51.53		56.03		66.70		70.03	a	69.60	a	62.77	b	52.52	a	48.67		40.55		53.94
2022	39.90		41.05		47.48		46.35		53.65		61.98		69.18		70.71		65.58		57.19		41.32		39.08	a	52.79
2023	41.21		38.98		42.40		49.17		59.08		63.11	b	69.11		71.74		62.57		54.82		45.07		44.58		53.49
2024	41.39		45.10		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.25	j
Period of Record Statistics
MEAN	39.82		42.73		46.15		50.36		55.75		61.12		66.47		66.59		61.85		53.50		45.33		40.64		52.58
S.D.	3.32		2.78		2.54		2.57		2.40		2.25		2.25		2.26		2.37		2.18		2.55		2.73		1.22
SKEW	-0.78		-0.14		0.46		0.10		0.11		0.16		-0.12		0.15		-0.26		0.28		-0.51		-0.14		0.17
MAX	46.26		48.54		53.60		57.12		61.50		66.70		71.47		74.38		66.90		58.74		50.83		48.11		55.70
MIN	29.35		35.21		40.84		44.45		50.94		56.52		61.16		60.70		54.05		47.53		38.09		32.82		49.60
YRS	126		130		126		127		129		127		125		128		128		127		127		128		111