ILLAHE, OR

Average of Average Temperature (Degrees Fahrenheit)

(354133)

File last updated on April 18, 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
1938	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	55.50		43.28		43.45	a	47.41	i
1939	42.27		41.88		51.32		57.63		59.77		63.35		70.95		72.31		66.80		56.77		47.40		46.06		56.38
1940	43.48		47.64		50.47		55.62		61.37		67.70		68.00		70.61	h	64.82		-----	z	46.97		42.85	a	54.89	b
1941	44.66		48.45		52.55		55.65		59.48	a	-----	z	74.53	l	68.15		61.28		55.44		48.95		43.61		53.82	b
1942	41.37		44.02	a	46.85		52.18		55.44		61.32		70.18		71.68		65.58		57.37		47.47		44.68	a	54.84
1943	39.31		46.24	a	50.21		54.67		57.98		61.95		69.50		67.45		69.95		55.81		47.92		41.71		55.22
1944	41.58		43.40		47.81		50.00		57.97		63.03	a	70.47		70.19		67.25		58.60		45.17		42.77	a	54.85
1945	42.97		-----	z	45.37		51.81	i	59.48		65.33		73.78	b	71.37		67.50	e	55.42		46.78		44.12	a	57.21	b
1946	40.95	a	43.30		47.34		53.58		61.21		62.25		70.63		71.29		63.47		52.16		43.58		42.66		54.37
1947	37.37	a	48.29		51.40		55.72		62.84		62.47		66.73		67.18		65.40		55.95	a	46.93		42.97		55.27
1948	40.19		41.79		44.66		46.93		55.81		66.00		67.34		67.11		63.37		54.61		44.83		37.79		52.54
1949	32.27		41.15	a	46.94		55.23		59.95		66.03	a	69.63		67.56		65.62		51.21		49.12		41.16		53.82
1950	35.89		43.11	a	46.02		51.77		58.15		64.58		71.24		71.87		64.65		55.13		48.95		48.64	b	55.00
1951	41.81		44.84	i	44.40	a	55.97		58.73		67.72		70.08	a	70.53		68.93		55.02		48.37		40.97		56.59	a
1952	38.39		43.93		44.72	a	55.07		59.19		61.15		72.70	a	70.60		68.97	a	62.44		43.17	a	43.32		55.30
1953	47.62	a	46.29		46.23		52.22		54.31		58.83		69.81		68.26		68.30		-----	z	50.56	f	44.13	e	55.60	b
1954	42.27	a	47.95	f	47.69	d	54.50	g	59.13	h	58.88	e	66.48		67.71	s	62.41	n	54.85		50.57		41.95		51.81	e
1955	40.42		42.50		45.73		45.95		56.40		63.92		65.81		70.38	a	66.81	i	-----	z	-----	z	-----	z	53.89	d
1956	-----	z	38.54	q	41.94	w	-----	z	60.67	m	65.75	v	72.02		69.26		65.63		56.03	a	46.02		41.73		58.45	f
1957	37.44		47.34		49.10	a	53.60		59.45	a	64.60		67.37		65.77		66.87		52.66	c	45.80		44.58		54.55
1958	-----	z	-----	z	-----	z	53.35	c	62.37	a	64.69	a	72.74		74.24		65.82		59.24		51.97		49.39		61.53	c
1959	46.53		44.59		50.31		56.15		56.81		63.31	a	71.68		69.89		63.20		57.80	a	47.90		42.30	a	55.87
1960	41.39		46.19		51.55		52.72		55.66		66.78		71.85		68.81		67.25		57.13		48.12		43.53	b	55.91
1961	46.00		47.27		47.95		52.82		55.18		66.53		69.50		72.03		62.95		55.89		45.60		42.52		55.35
1962	39.53		44.02		46.31		55.00		53.35		61.87		68.85		67.50		66.91	c	56.90	a	50.74	e	44.95		54.66
1963	-----	z	-----	z	48.76	h	47.40	e	58.89	i	61.52	c	64.98	a	67.05		67.48	g	-----	z	-----	z	-----	z	60.24	h
1964	-----	z	-----	z	47.28	b	50.37		54.77		61.47		68.95	a	68.06		64.58		60.61		46.90		44.34		56.73	b
1965	42.56		47.04		50.47		53.21	a	55.61		63.28		69.65		69.16		64.52	h	60.50	k	50.37		41.78	b	54.31	b
1966	43.76		44.34		47.80	c	55.70	b	60.05		64.63		69.16		71.87		68.45	i	58.76	b	50.02	a	46.39	i	56.61	b
1967	43.76		48.93	g	46.24		47.05		56.21	s	68.23	h	69.39		73.58	a	68.55		56.15	a	49.30		40.48		54.94	c
1968	41.05		50.02		50.94		51.53		56.60		64.78		69.95		66.81		64.77		55.16		48.37		41.34		55.11
1969	39.27		40.29		47.95		50.60		61.25	w	65.62		68.10		67.65		65.62		54.19		49.02		45.10		53.94	a
1970	45.94		49.30		49.90		48.17		58.31		66.05	a	69.81		68.23		62.57		52.50	i	49.38		41.31		55.36	a
1971	41.73		44.70		45.44		49.38		55.97		60.40		68.02		68.90		61.95		53.56		46.18		39.68		52.99
1972	40.21		45.33		51.79		49.32		59.60		65.37		70.79		70.76		62.67		56.15		48.23		38.66		54.91
1973	42.00		48.20		46.26		53.25		59.11		63.22	a	67.16		64.00		65.32		55.65		46.33		46.42		54.74
1974	41.05		44.23		48.68		52.00		56.52		65.22		68.71		70.98		70.25		57.98		49.73		44.80	a	55.85
1975	43.61		42.61		46.58		47.68		58.71		62.78		68.77		66.94		68.82		55.02		46.10		44.94		54.38
1976	43.60	a	44.59		46.79		50.30		58.92		61.18		68.58		67.76		66.67		58.19		51.60		40.53		54.89
1977	40.74		48.91		46.24		54.75		54.10		67.03		67.94		71.48		64.18	k	57.21		47.38		46.23		54.73	a
1978	47.31		48.21		53.56		50.52		57.34		64.88		70.16		69.03		61.47		59.26		44.78		39.10		55.47
1979	39.98	b	43.59		52.00		52.32		59.50		64.18		69.31		67.18		66.92		60.16		47.22		44.52	a	55.57
1980	42.23		48.98		47.58		53.10		56.66		59.70		69.84		67.32		65.87		58.23		50.02		45.21		55.39
1981	46.63	a	47.59		49.37		53.47		57.69		63.40		68.79		71.24		65.70		54.53		49.23		46.18		56.15
1982	39.32		44.66		46.16		48.27		58.10	b	65.19	a	67.18		69.47		64.83		56.29	b	45.90		42.68		54.00
1983	43.47		46.79		49.48		51.28	a	59.61		62.08		65.23		67.94		63.90		58.10		48.27		43.38	c	54.96
1984	43.90	b	45.03		-----	z	48.52	b	56.76		61.15		70.47		68.32	a	64.48		53.00	b	45.53		40.12	a	54.30	a
1985	41.05		44.07	a	45.28	a	55.12		56.93	a	65.64	b	71.63		68.60	a	62.34	b	51.85	k	-----	z	38.12	n	56.74	c
1986	46.55		48.11		53.38	a	53.39	b	57.67	b	66.12		68.13	a	72.39		62.66	b	58.29		49.83	a	44.05		56.71
1987	42.27		46.91	a	48.95		57.61	c	61.63	a	68.56	c	67.34		72.37		65.58		61.92		50.22	a	43.44		57.23
1988	44.75	a	48.12		49.26	b	52.44	d	56.70	a	62.59	a	71.27		71.28	a	67.13		63.81		48.57		40.97	a	56.41
1989	41.65		39.57		48.02		57.64	a	59.47		65.90		66.65		67.95	a	66.45		56.97		47.00		42.27	a	54.96
1990	43.79		42.67	b	51.47	a	53.85		57.08	a	64.38	a	72.74		71.35		67.30		53.33	a	-----	z	-----	z	57.80	b
1991	-----	z	51.27		46.55	a	51.10		56.48		61.35		72.95		70.90		71.53	a	56.93	a	50.67		-----	z	58.97	b
1992	44.74		50.59		53.40		54.23		65.56		69.16	a	66.76	b	73.44		65.95		61.84		49.50		39.67	b	57.90
1993	46.03		43.43	a	49.44		47.82		50.23		65.39	b	69.45		66.06		75.22	a	61.68	a	44.05	a	38.76		54.80
1994	38.60		46.57		47.17	a	54.57		61.15		58.22	a	74.48		69.03		69.75		51.47		41.92		40.40		54.44
1995	51.02	a	46.75		47.02	b	57.47		63.53		64.45	a	74.05		70.36	b	69.50		54.55		48.85		44.39		57.66
1996	42.74		41.17		51.73	a	47.57	b	51.92		65.72		79.18		79.31		65.40	a	54.83	a	48.28		47.05		56.24
1997	45.90		43.21		51.34		51.40		63.95	a	63.45	a	71.73		70.60	b	64.37		53.31		49.10	a	41.43	c	55.82
1998	46.23		45.02		49.46	h	52.70	c	55.55	c	65.45	a	72.53		73.82		69.00	b	53.69	b	47.45	a	39.22	b	56.42	a
1999	43.31		43.63	a	44.83	e	51.63		57.11		65.42		69.30	a	69.45		70.40		58.95	b	46.18		43.85		55.34
2000	42.88	b	47.02		47.85		56.65	d	56.40	a	66.95		68.84		70.18		67.78	a	56.58		44.53		43.03		55.72
2001	42.50		44.84		49.73		50.22	a	63.32	a	61.40		69.35	e	69.56		66.52	a	54.92		48.19	a	43.79		55.36
2002	42.37		45.87	b	47.24		55.24	a	55.82	a	65.74	a	73.56		72.65		69.17		56.52		48.59	a	44.63		56.45
2003	47.62	a	47.38		50.05	a	47.98	a	55.74		68.72		71.87		71.10		63.81	a	57.39		45.12		42.44		55.77
2004	46.87		45.91	a	54.42		55.63	c	59.55	a	64.69	c	69.85		73.43	a	64.67	d	57.24		46.45	a	43.37	a	56.84
2005	42.89		46.30		51.52		51.64	a	60.02	a	63.42		73.40	b	73.94		64.41	b	55.95	a	-----	z	42.70	f	58.35	b
2006	45.31	b	45.09		45.23		-----	z	-----	z	66.13		-----	z	70.88	c	67.83	a	56.10	a	47.00	a	44.00		54.17	c
2007	39.23		41.82		51.63	a	53.71	a	-----	z	62.84	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	49.85	g
Period of Record Statistics
MEAN	42.56		45.43		48.61		52.46		58.07		64.05		69.90		69.94		66.16		56.55		47.57		42.99		55.36
S.D.	3.17		2.61		2.58		3.03		2.88		2.43		2.49		2.53		2.67		2.65		2.18		2.37		1.07
SKEW	-0.27		-0.01		0.32		-0.26		0.12		-0.24		0.73		0.63		0.60		0.51		-0.35		0.15		-0.02
MAX	51.02		51.27		54.42		57.64		65.56		69.16		79.18		79.31		75.22		63.81		51.97		49.39		57.90
MIN	32.27		39.57		44.40		45.95		50.23		58.22		64.98		64.00		61.28		51.21		41.92		37.79		52.54
YRS	64		61		64		65		62		66		66		66		62		62		63		62		44