N WILLAMETTE EXP STN, OR

Average of Average Temperature (Degrees Fahrenheit)

(356151)

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
1963	33.59	b	47.50		44.61		-----	z	55.98		59.52		62.27		64.89		64.35		53.42		46.29	a	39.27	a	51.97	a
1964	41.32		40.69		43.72	a	47.43		52.37		58.66	a	64.50		62.61		57.73	b	53.37		41.60		39.13	a	50.26
1965	39.85		42.15	a	47.16		50.77		52.55		58.83		67.06		66.53		60.02		54.69		47.92		38.42	a	52.16
1966	39.35	a	41.46		44.84		51.70		56.23		61.05		64.05	a	65.11		62.60		52.02		47.45	a	44.13		52.50
1967	43.33	a	42.29		43.35		45.28		55.06		63.55		67.44		70.94		64.38	a	52.50		46.08		40.65		52.90
1968	39.58		47.84		47.43	b	47.30		55.03		60.05		66.03		65.24		60.27	b	51.15	a	45.77		39.40	f	53.25	a
1969	32.71		39.54	c	46.26		49.23		58.17	b	65.88	b	64.28	a	62.30	d	61.54	b	49.98	a	45.79	d	41.92	a	51.47
1970	40.93	b	44.70		45.12	a	46.17		54.74		63.95		67.16		65.44		56.87		49.83	b	45.67	a	39.34		51.66
1971	39.33	a	40.95		42.12	a	47.48		54.58		57.00		66.35		68.41	b	57.86	a	49.24		43.28	a	38.65	a	50.44
1972	37.76		41.97		47.52	a	45.62		57.06		60.93		68.24		68.02	b	58.40		51.24		45.78	a	34.97	a	51.46
1973	38.08		43.61		45.06	e	49.67		56.74		60.70		67.26		62.63		62.20		51.40	b	43.68		43.77		52.07
1974	35.30	d	41.05		45.37	a	48.98	b	52.97		61.93	a	64.65		66.69		67.03		53.15		46.10		42.87		52.17
1975	42.03	a	40.98	a	43.66	b	45.67		54.61		60.05		67.23	a	63.10		64.18		52.24		44.36	a	42.24		51.70
1976	41.03		40.96	a	43.55		48.57		55.40		57.75		64.89		63.24		62.40	a	52.09	c	45.70		37.37		51.08
1977	36.87		43.52	a	42.87		51.40		51.98		61.92		64.84		70.23		59.43		52.98		43.41	c	43.90	a	51.95
1978	41.27	c	45.66		48.71		49.78		53.74		64.19	c	67.16	c	66.63		59.35		54.06		39.45		34.71	c	52.06
1979	31.34		41.04		47.98		50.72		56.65		62.45	a	67.89		65.95		63.65		56.19		43.78	a	43.98	a	52.63
1980	36.53		43.00		44.67	a	51.66	a	54.69		58.40		66.31	b	63.65		61.57		53.88	a	46.82		41.81		51.91
1981	41.68	a	43.02	a	47.17	b	51.00	c	55.52		60.02		66.13	a	68.57	a	61.97		52.08		47.48	a	42.58		53.10
1982	37.80	a	41.55		45.53		47.29	b	56.40	b	63.29	a	65.42		66.60		62.12	a	52.94		43.32		41.10		51.95
1983	43.06		46.57		49.48		50.98		58.55		60.50		64.80	a	67.02		59.87		52.13		47.95	a	35.92		53.07
1984	42.77		44.47		49.40		48.72		53.83	a	59.45		66.02		66.58		61.47		50.37		44.65		37.05		52.06
1985	35.29		39.57	a	43.60		52.27		56.42		62.20		70.40		65.87		58.65		51.73		38.10	a	34.13		50.69
1986	43.00		43.78	a	51.00		49.47		56.06		65.47		63.53		70.27		59.26	a	54.47		47.18		39.75	a	53.60
1987	39.68		45.07		47.52		53.50		59.53	a	64.45		65.92		67.25	a	63.78		56.92		46.97		38.76		54.11
1988	39.10		43.41		46.57	a	52.20	b	54.61		61.13		66.64	b	65.92		62.12		57.18		46.55		39.77		52.93
1989	41.24		35.52		45.21		54.97		56.22	a	64.23		64.26		64.29		64.67		52.87		46.77		39.17	a	52.45
1990	42.85		41.77		48.90	a	52.87		54.98		61.78		69.35		68.25	a	65.58		50.88	a	46.64	a	33.78	b	53.14
1991	39.53		48.12		44.71		49.25		52.88	b	58.35		67.90		68.26		64.95		54.62	a	47.20	b	41.03	b	53.07
1992	43.45		47.79	a	51.27		53.04	b	60.94		65.95		69.10	a	68.87		60.78		54.69		45.38		38.98		55.02
1993	36.15	a	40.11	a	48.68		50.72		59.32		60.83	a	62.84		67.62	a	63.63		56.24		39.60		39.58		52.11
1994	43.60	b	40.93	a	49.32		51.87		58.58		60.37		68.68		67.10		64.55		51.76		40.63		42.16		53.30
1995	44.80	a	46.40	b	47.50		49.47	a	58.87		61.96	b	68.65	a	64.95		65.42		53.00		50.92		42.42	a	54.53
1996	41.53	a	41.75	a	47.63		51.66	a	53.66		61.47		70.32		68.00		59.87		52.93	a	44.53	a	41.61		52.91
1997	41.03	a	43.19	a	46.44		49.30		61.05		61.02	a	67.03		69.94		64.21	b	52.53	a	48.80		39.47	b	53.67
1998	44.43	a	45.98		47.78	a	50.90		55.66		62.65		69.88	a	68.95	a	65.35		53.48	c	47.60	a	27.52	j	55.70	a
1999	44.75	i	43.86		45.44		50.27		53.40		59.60		65.47		67.29		63.38		54.03		49.23		43.32		54.12	a
2000	40.98		43.78		44.84		52.38		56.37		64.13		66.68		66.15		-----	z	54.13		42.65		40.94		52.09	a
2001	41.55		42.64		47.66		44.23		58.27		59.57		66.23		67.82		64.12		52.69		-----	z	-----	z	54.48	b
2002	-----	z	-----	z	44.69		51.78		54.71		62.82		68.84		67.48		63.70		-----	z	47.65		43.50		56.13	c
2003	45.61		45.00		48.56		50.15		56.69		65.22		69.85		68.10		64.73		56.68		43.78		41.53		54.66
2004	39.02		45.02		49.98		53.93		57.37		63.90		70.55		70.85		61.08		55.11		44.27		42.87		54.50
2005	42.63		43.39		49.27		51.17		58.98		60.65		68.97		69.45		61.05		55.10	a	43.30		40.47		53.70
2006	44.74		42.46		45.37		52.43		58.56		64.78		69.84		67.05		64.12		52.84		46.78		40.06		54.09
2007	37.67	b	44.68		49.66		50.92		57.65		61.82		70.16		67.68		-----	z	-----	z	-----	z	-----	z	55.03	d
Period of Record Statistics
MEAN	40.08		43.15		46.60		50.09		56.08		61.65		66.91		66.84		62.19		53.14		45.28		40.17		52.62
S.D.	3.33		2.57		2.30		2.45		2.26		2.28		2.17		2.22		2.49		1.90		2.69		2.77		1.18
SKEW	-0.68		-0.15		0.09		-0.49		0.25		0.11		-0.07		-0.25		-0.30		0.22		-0.69		-0.65		0.09
MAX	45.61		48.12		51.27		54.97		61.05		65.95		70.55		70.94		67.03		57.18		50.92		44.13		55.02
MIN	31.34		35.52		42.12		44.23		51.98		57.00		62.27		62.30		56.87		49.24		38.10		33.78		50.26
YRS	43		44		45		44		45		45		45		45		43		43		43		41		37