FOREST GROVE, OR

Average of Average Temperature (Degrees Fahrenheit)

(352997)

File last updated on May 12, 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	30.85		35.32		41.97		45.30		54.21		55.92		62.81		-----	z	55.56	u	46.77	a	42.40		41.56		45.71	b
1894	37.40		34.57		41.55		47.77		54.12	a	57.71	k	-----	z	-----	z	-----	z	50.69	b	46.10		37.03	a	43.65	d
1895	35.29		42.08	d	43.56		50.43		54.79		-----	z	-----	z	-----	z	-----	z	53.56		41.43		39.10		45.03	d
1896	39.93	b	43.67		43.50		46.10		51.77		60.13		-----	z	-----	z	59.31	a	52.74		37.47		42.56		47.72	b
1897	38.05		42.23		40.31		53.88		60.82		60.87		-----	z	-----	z	56.84	b	52.48		42.38		41.08		48.89	b
1898	36.37		43.67	a	42.53		51.02		55.08		-----	z	-----	z	-----	z	-----	z	50.34		42.83	l	35.16	b	44.88	e
1899	39.10		35.96		41.47	a	47.33		50.27		-----	z	-----	z	-----	z	-----	z	48.81	b	49.87		40.02		44.10	d
1900	40.52		39.16		49.89		50.40		55.23		62.65	m	-----	z	-----	z	-----	z	49.76		43.30		42.33	b	46.32	d
1901	37.31	b	40.40	d	45.67	b	48.22	a	57.05	c	-----	z	-----	z	-----	z	-----	z	58.21		46.70		40.74	b	46.79	d
1902	38.44		44.83	b	44.28	a	48.97		55.23	e	-----	z	-----	z	-----	z	-----	z	55.05	a	43.70		39.02		46.19	d
1903	40.80	a	38.43	a	42.79		46.73		54.92	a	63.17		63.13		63.53		58.72		52.97		43.90		43.00		51.01
1904	39.27	a	39.19		42.32		54.45	b	55.90	b	63.83		65.35	a	65.87		61.68		53.66	c	48.95		41.23	c	52.64
1905	37.84	b	43.84		-----	z	55.12	v	54.58		59.82		67.44		64.79		59.50		49.02		42.37		37.38	a	51.66	b
1906	40.56		42.00	b	43.38	b	53.72		55.60		57.62		70.32		66.21	b	58.94	c	50.88	b	43.43		39.44		51.84
1907	33.38	f	42.72	a	42.33	b	48.84	a	56.66	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	47.64	h
1908	41.65		42.00		45.26		50.55		52.50		-----	z	-----	z	66.56	g	59.25		49.14	b	46.87		37.68		47.21	c
1909	29.19		42.23		46.08		49.66	a	54.02	a	60.33		63.37	a	65.60	p	59.94	n	52.52		44.32		33.58		47.53	b
1910	35.11	d	38.56	a	50.06		51.14	a	58.53	a	-----	z	-----	z	-----	z	-----	z	54.74	b	43.92		41.20	k	47.44	e
1911	35.68	a	38.88		47.61		47.79	b	52.29		-----	z	70.11		65.87		57.31	a	51.29		45.52	a	40.30	a	50.24	a
1912	40.27		43.72		44.58		48.79	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	44.34	h
1913	35.28	f	38.00	s	43.27	a	48.60	a	57.87		62.20	c	65.81		-----	z	-----	z	-----	z	-----	z	-----	z	55.55	g
1914	-----	z	-----	z	50.78	h	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	-----	z	60.05		62.47		68.13		61.64	a	50.77		41.02		36.47		54.36	e
1917	38.24		40.29	b	40.98	a	47.28		53.02		60.33		68.71		70.23		61.58		54.77		47.75		46.42		52.47
1918	43.50		39.69	a	45.34		50.85		53.69		65.83		67.08		66.50		66.33		53.56		44.07		39.74		53.02
1919	39.90		40.96		46.60		51.25		54.94		59.35		67.32		67.37		61.50		48.77		43.17		33.75	c	51.24
1920	38.56		40.41		43.68		47.07	a	52.37		60.30		66.48		68.03		59.42		51.48		44.13		41.61		51.13
1921	39.71		43.41		46.44		48.88	a	55.79		62.73		63.84		65.73		57.75		54.48		46.53		37.13		51.87
1922	33.61		37.80		41.79		46.86	a	55.77		64.29	a	67.21		66.29		62.02		53.05	b	40.25		34.65		50.30
1923	39.74		35.61		45.21		51.28		55.68		60.72		65.90		68.24		61.98		53.92		47.30		39.48		52.09
1924	36.03		45.76		44.53		51.07		59.63		62.67		65.26		64.52		60.42		51.76		42.08		32.82		51.38
1925	41.50		44.16		45.81		52.64	a	60.02		61.42		67.79		64.32		60.90		53.02		43.23		42.40		53.10
1926	38.81		45.43		50.05		57.30		56.10		64.23		67.47		65.92		58.37		54.81		46.88		38.32		53.64
1927	37.26		42.25		44.18		49.58		53.24		62.57		66.23		67.15		59.28		52.15		46.80		35.70	a	51.36
1928	36.32		41.40		48.18		48.75		59.79		59.88	a	66.77	a	65.37		59.37		51.53		43.45		36.40		51.43
1929	32.90		32.52		45.11		46.82		55.69		60.48		65.44		66.44		60.88		54.50		40.32		41.85		50.25
1930	24.55		43.23		47.74		52.63		52.60		59.65		64.66		67.87		61.55		50.42		42.57		37.39		50.40
1931	41.47		41.79		46.88	a	52.60		60.24		61.22		67.52		66.89		59.87		52.35		40.62		37.34		52.40
1932	36.68		39.48		46.38	a	50.75		55.24		63.90		63.11		66.42	a	63.60		53.79		45.57		34.39		51.61
1933	36.81		36.25		44.19		49.83		51.52		60.03		66.08		68.03		57.32		54.42		43.33		44.21		51.00
1934	44.39		45.96		51.71		57.12		58.60		61.27		65.79		67.88	a	61.35		54.69		47.08		41.11		54.75
1935	37.15		42.73		42.00		49.48		56.23		63.53		66.32		67.65		64.15		50.00		39.75		38.16		51.43
1936	40.98	a	33.09		43.10		53.05		59.35		62.45		65.15		66.65		60.91	a	53.74		40.55		40.69		51.64
1937	27.68		39.04		47.18		47.75		56.65		63.62		67.16		65.15		62.38		55.58		47.50		41.55		51.77
1938	38.87		40.93		44.27		51.82		57.19		63.77		70.00		64.34		65.77		53.40	a	41.40		40.48	a	52.69
1939	40.98		38.29		47.23		52.63		57.65		59.68		67.87		68.19		62.72	a	53.52		45.37		43.90	a	53.17
1940	39.79		44.79		49.15		52.00	a	59.94		64.87		66.48		68.81		63.50		55.21		41.63		41.34		53.96
1941	41.31		45.25		51.18		52.73		56.47		60.82		70.53		67.08		58.53		52.27		46.27		41.21		53.64
1942	34.00		41.86		45.10		51.57		55.44		59.72		68.05		68.32		62.90		53.68		43.18		41.81		52.13
1943	33.27		42.68		44.21		53.17		54.74		59.98		66.90		64.02		64.93		53.42		44.53		38.44		51.69
1944	37.82		41.64		45.10		50.18		56.71		61.00		66.89		65.90		63.85		55.56		43.63		37.19		52.12
1945	41.16		43.45		43.85		48.83		58.29		60.85		68.05		67.74		59.42		52.29		43.97		39.44		52.28
1946	38.85		41.46		45.50		50.12		58.90		59.70		66.37		67.08		60.25		49.11		42.10		40.68	a	51.68
1947	35.11		44.88		49.29		53.95		60.94		59.80		64.85		64.24		62.82		52.84		44.88		40.77		52.86
1948	38.16		39.09		43.42		47.17		55.60		66.15		64.81		63.97		60.50		51.10		43.10		35.90		50.75
1949	26.81		38.86		45.56		52.50		58.92		61.95		65.06		66.06		63.48		48.06		48.43	c	39.97		51.31
1950	28.47	a	40.33	a	44.65		48.52	a	54.87		61.98		66.87		68.48		62.75		51.50		45.77		46.23		51.70
1951	38.29		41.98		41.27		53.85		57.27		64.30		67.90	a	65.84		64.02		52.94		44.95		37.44		52.50
1952	35.89		40.57	a	44.34		52.12		57.08	a	60.26	a	68.10		65.87		63.42		58.52		39.22		39.89		52.11
1953	45.71		42.88		44.44		48.25		53.48		56.22		64.00		64.50		60.80	b	53.52		48.33		42.21		52.03
1954	37.53		42.43		43.06		49.30		57.11		58.35		62.40		62.50		59.60		51.24		48.38		40.69	b	51.05
1955	37.73	c	40.19	a	41.03		45.23		52.87		60.60		61.70	a	63.68		60.45		52.85		41.18		39.03		49.71
1956	39.63		34.86		43.82		52.28	a	59.73		58.65		68.19		66.24		61.08		50.71		41.65		39.47		51.36
1957	30.71		42.52	b	46.98		52.12	a	59.19		60.90	a	62.94		62.08		64.92		52.48	a	42.47		42.97		51.69
1958	43.06		48.41		45.13		50.80		61.08		64.98		70.16		69.10		61.80		54.66		46.02		45.42		55.05
1959	41.52		42.12		45.71	b	51.45		54.89		61.78		68.69		65.26		59.97		54.76		45.02		40.83	b	52.67
1960	35.77		42.17		45.66		50.68		54.24		63.05		69.02	a	65.48		63.24	a	55.27	a	46.08		40.08		52.56
1961	44.40		46.73		47.35		51.22		56.40		66.40		69.34		71.34		60.18		53.77		42.65		41.58		54.28
1962	37.50	a	43.52		44.47		52.32		52.84		60.92		66.32		65.55	a	64.30		54.71		48.42		43.08	a	52.83
1963	35.03		48.79		45.72	a	49.62		57.02		60.78		62.85		66.40	a	65.34	a	54.26		46.18		40.13		52.68
1964	41.92		41.79		44.65		48.28		53.48		60.13		66.11		64.52		61.22		54.69		42.77		38.77		51.53
1965	41.05		44.16		47.60		52.95		53.85		61.52		69.06		68.53		61.15		57.16		48.31	a	38.23		53.63
1966	40.53		42.39		46.10		52.50		58.00		61.77		66.22	d	67.48		64.53		54.02		47.77		44.37		53.81
1967	43.61		44.38		44.10	a	46.68		56.35		66.05		68.79		73.18		66.47		54.53		47.10		40.89		54.34
1968	39.85		47.50		48.61		49.13		56.68		62.12		68.50		65.76		62.65		51.97		46.00		38.00		53.06
1969	32.95		39.98		46.71		49.70		59.68	a	67.32		66.53		65.34		63.93	a	51.76		45.30		41.60		52.57
1970	40.58		45.52		46.36	b	47.80		56.35		65.97		68.61		68.87		59.97		52.19		45.97		39.60		53.15
1971	39.32	a	42.16		42.89		49.47		57.89		58.38		68.79		70.73		60.57		51.68		45.50		39.19		52.21
1972	38.60		42.81		48.73		46.85		60.05		62.75		70.94		70.87		60.20		53.40		47.48		35.66		53.19
1973	38.02		44.30		46.35		50.92		57.92		62.10		69.37		64.95		64.20		52.47		42.80		43.73		53.09
1974	37.79		42.45		47.16		50.53		54.19		64.35		66.92		69.11		67.65		55.23		46.47		43.17	a	53.75
1975	41.29		41.00		44.92		46.88		56.53	a	61.15		68.16		64.27		65.18		52.02		44.47		42.85		52.39
1976	41.40		41.86		44.40		49.78		57.26		58.98	b	65.95	a	63.57	a	62.12		53.35		46.90		38.56		52.01
1977	36.87		44.38		44.06		52.03		52.43	b	62.08		63.74		69.28	a	58.25		50.18		42.05		41.68	a	51.42
1978	40.60		44.62		48.29		49.53		53.13		63.43		67.68		66.32		58.80		53.71		37.20		34.63		51.50
1979	28.92		39.68		47.87		49.77		56.90		61.58		66.79		64.92	a	63.00		56.26		43.30		43.43	a	51.87
1980	34.60		42.79		45.30	a	52.40	a	55.90		58.47	a	67.42	a	64.16		61.83		54.27		46.90		42.19		52.19
1981	42.18		41.98		46.98		50.32		53.94	e	59.43		65.71		70.37		62.38		51.44		46.73		41.65		52.76
1982	36.55		41.20		44.82	a	46.53		56.13	a	63.57		65.52	a	66.64	c	61.41	a	52.09	b	42.54	b	38.93	b	51.33
1983	42.38	e	45.70		48.27	a	50.42		59.04	e	59.80		64.15		66.47		58.82		51.79	b	46.91	a	34.87	d	52.38
1984	40.24	d	43.58	d	48.25	a	48.18		53.28	d	59.42		66.55		66.15		60.16	b	49.81	b	43.65	c	35.52	a	51.23
1985	34.80	a	37.79	i	43.50	e	52.06	c	55.95	b	62.22	a	71.72	a	65.75	a	57.80	e	51.50	d	36.24	c	33.42		51.36	a
1986	42.42	e	43.69	a	50.48	a	49.45	a	56.26	b	66.17	a	63.12	b	72.05		59.57	b	55.19	e	46.19	c	40.56	e	53.76
1987	39.80	d	-----	z	47.60	b	52.72	e	-----	z	-----	z	66.52	b	69.02	b	64.70	c	-----	z	47.37	d	38.64	b	53.30	d
1988	38.78	d	43.85	b	46.66		50.67	d	54.08	e	61.06	c	68.32		66.83	a	62.02	b	57.70	d	45.42	e	40.17	b	52.96
1989	41.76	d	34.14	c	45.07	b	55.52		57.97		65.02	c	65.25	a	65.98	a	64.71	b	53.47	a	47.34	a	40.38	c	53.05
1990	42.33	b	40.46	d	48.55	a	53.93		54.80	a	61.03	a	69.62	a	68.12	a	63.28		50.47		45.77	d	32.21		52.55
1991	36.70	f	46.85	a	44.81	d	49.22		53.95		60.12		69.42		70.23		66.23		53.76		46.02		41.53		54.74	a
1992	42.81	e	48.16	d	51.93	b	55.37	d	64.11	c	70.24	c	71.35	e	70.73	e	62.06	f	58.25	g	45.50	g	39.90	g	59.34	d
1993	35.30	c	39.77		48.35		51.62	e	62.57	b	63.00	b	63.45		69.32	a	65.77		56.67	b	38.36	e	38.48	a	52.72
1994	42.90	a	39.26	a	48.95	a	52.48	c	60.34		62.52	a	71.40		69.34		66.67		50.84	b	39.78		40.43	d	53.74
1995	41.76		47.34	c	47.36	b	50.13		61.66		63.29	a	72.36	c	66.73		65.95	b	52.93	d	49.52	d	40.37	a	54.95
1996	39.66		39.76	d	45.95	a	52.20		53.58	a	61.38		71.82		69.10	a	59.48		51.66	b	44.62	b	40.25	a	52.46
1997	39.50	d	41.81	b	46.18		50.42		62.26		61.52		68.24		70.68		64.50		52.45		48.71	b	39.50	c	53.81
1998	42.08		45.18		48.48		50.85		55.68		63.73		71.30	a	69.79		66.30		52.79		46.95		39.66		54.40
1999	41.93	a	42.48	b	44.62	c	49.54	c	53.15	e	60.60	e	67.71	g	69.62	c	65.37	c	54.04	e	49.29	d	42.39	c	52.10	a
2000	38.46	d	43.91	g	44.54	d	52.89	h	55.43	a	62.83		64.48	c	65.03	a	59.94	c	51.02	b	38.97	a	40.13	d	52.08	b
2001	39.98	d	40.68		46.72	a	48.70	b	58.96	c	59.10	a	63.94	d	68.26	b	63.96	g	52.09	c	46.29	d	39.02	d	51.25	a
2002	39.60	a	42.64	c	43.38	f	51.73	f	54.81	d	64.80		70.32	a	68.12	c	63.39	c	52.59	d	47.25	d	41.37	h	55.95	c
2003	42.59	h	42.98	a	47.98	d	49.13	d	56.62	c	65.25		70.21	b	68.86	c	65.31	a	57.61	c	41.82	e	41.00	e	55.16	a
2004	39.26	d	44.04	b	50.39	d	54.07	a	58.70	a	65.27	b	72.03	a	71.62	b	61.63	c	55.18		43.81	a	42.18		54.85
2005	42.18	c	42.80		49.64	b	51.18		59.35		60.45	a	69.00		69.63		60.55	a	54.00	a	42.93		37.31	d	53.25
2006	43.39		40.86	c	44.63	a	52.16	e	57.76	b	63.59	a	69.03	a	66.55	a	63.43	c	51.80	c	43.38	i	38.56	g	55.32	b
2007	35.81	e	43.52	c	48.07	j	48.22	e	56.21		60.44	c	68.38	a	66.13		60.60	a	50.10	g	43.37	d	39.48	f	53.63	c
2008	35.93	d	41.59	g	42.86	f	45.42	e	57.05	c	-----	z	66.77		68.00		62.95		52.15		47.62		35.77		52.41	c
2009	38.03		39.69	a	42.84		48.88		56.84		62.72		70.84		67.42		63.42		52.21		44.88		34.84		51.88
2010	44.27		45.40	b	46.98	a	48.60		53.55		58.80		66.35		66.55		62.87		54.08		43.42		42.16		52.75
2011	39.69		38.59		44.35		45.75		51.71		59.35		63.81		67.27		65.25		53.35		42.18		37.10		50.70
2012	39.46	e	42.00		42.32		50.84	a	55.13		59.07		66.13		68.21		63.32		53.60	b	45.83		46.67	y	53.27	a
2013	35.65		42.62		46.31		51.07		57.37		63.03		68.63		68.35		63.43		51.29		44.00		33.92		52.14
2014	39.77		39.12		47.45		50.47		58.58		61.75		70.16		70.11		65.28		58.05	a	44.97		42.87		54.05
2015	42.50		47.24	a	50.56		50.53		59.10		67.65		70.90		69.47		61.25		57.80	a	42.73		41.32	a	55.09
2016	41.16		45.16		46.94		55.38		59.84		62.60		66.44		68.94		60.53		53.63		49.30		34.76		53.72
2017	33.06		40.84		45.61		48.35		58.05		62.97		67.44		71.48		64.42		51.61		45.13		36.84		52.15
2018	43.42		39.66		43.00	a	50.48		60.23	a	61.53		70.56		69.06		60.50		54.00		44.85		40.23		53.13
2019	40.24		35.68		43.00		51.07		58.74		62.48		66.60		68.44		61.53	a	48.21		44.12		40.16		51.69
2020	43.24		41.59		43.10		50.72		56.86	t	61.90	a	67.13		67.55		65.02		54.60		43.23		41.11		52.65	a
2021	41.53	a	39.46		43.05		51.25		56.52		67.12		69.39		69.48		62.23		50.81		46.40		38.18		52.95
2022	39.53		40.75		46.35		45.45		51.97		60.97		69.65		71.56		66.40		58.94		40.08		37.87		52.46
2023	40.44		37.77		41.65		47.86	a	61.05		62.48		69.90	a	71.42		60.96	g	53.89		44.83		45.81	r	53.13	b
2024	40.88	a	44.31		46.65		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.95	i
Period of Record Statistics
MEAN	38.56		41.77		45.62		50.31		56.44		61.92		67.22		67.32		62.08		52.99		44.45		39.54		52.45
S.D.	3.84		3.16		2.51		2.46		2.69		2.43		2.47		2.26		2.46		2.26		2.80		2.92		1.15
SKEW	-1.15		-0.46		0.28		0.21		0.24		0.51		-0.07		0.17		0.08		0.14		-0.45		-0.33		0.26
MAX	45.71		48.79		51.93		57.30		64.11		70.24		72.36		73.18		67.65		58.94		49.87		46.42		55.09
MIN	24.55		32.52		40.31		45.23		50.27		55.92		61.70		62.08		56.84		46.77		36.24		32.21		49.71
YRS	125		124		125		125		125		115		115		113		113		123		123		119		95