MOUNT SPOKANE SUMMIT, WA

Average of Average Temperature (Degrees Fahrenheit)

(455674)

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
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	58.89		56.97		51.17		42.65		30.97		23.47		44.02	f
1954	17.47		33.05	r	22.95	a	29.38	i	42.12	s	44.20		54.92		52.60		45.78		36.56		33.45	a	22.75	a	36.74	c
1955	18.52	b	16.09	f	16.84	b	27.47	l	35.37	a	48.37		53.11		57.45		48.91	a	36.74	b	12.14	p	17.28	h	39.41	d
1956	24.04	g	17.32	l	23.85	a	37.48	b	46.23		46.31	a	59.54	g	55.73	c	49.90	d	32.77	e	27.97	a	22.84	i	40.03	d
1957	11.74	b	20.87	b	27.43	b	35.62		48.72	h	51.55		60.15	a	55.18	f	53.41	b	34.98	a	26.84	b	24.75	c	34.73	b
1958	25.16	c	29.83	j	21.14	t	32.15	g	51.12	a	52.22	e	62.12	c	63.26		49.37	c	42.26	b	25.38	i	26.31	e	46.48	d
1959	20.16	f	21.38	b	25.53		34.81	c	37.47	a	49.62		58.08	g	52.24		42.91	c	37.23		23.43	b	23.95	a	34.86	b
1960	17.60		21.16		28.32		32.33		37.20	a	49.00	b	65.07	b	51.27		50.52	a	38.66		26.71	a	24.32		36.85
1961	26.42		26.56	b	27.21		31.33		41.53		57.76	a	61.50		63.19	b	44.95	b	36.32		23.63		18.08	a	38.21
1962	18.00	a	21.56	a	24.23	a	35.69	n	37.53	b	48.89	b	54.72	d	52.95		49.64	a	39.05	a	30.18	b	24.83	b	36.51	a
1963	11.50	a	29.83	a	26.71		31.20		42.83	a	48.73	f	53.63		58.15		55.82		41.43	b	27.12	a	21.98		36.38	a
1964	19.55	a	21.74		23.97	b	30.52		41.29	e	47.95		57.45	c	52.55	j	45.19	i	40.60	j	24.62	m	17.98	i	34.64	e
1965	23.06	e	22.66		22.27	a	35.08		40.31		48.91	b	59.26		-----	z	-----	z	43.18	l	29.52		-----	z	35.13	d
1966	-----	z	22.32		27.76	b	33.20		45.09	b	45.43	b	54.34	b	55.50	b	55.32	e	36.65	a	27.43	a	24.47		38.86	a
1967	23.72	h	23.94	a	23.34	l	27.20	c	40.98		51.81	d	60.43	i	65.20	d	58.42	d	36.70	a	28.12	b	18.63		39.00	c
1968	18.23	a	28.47		29.94		29.12	a	40.42	a	47.50	a	59.80	d	52.47	a	46.82		33.13		24.43		12.35	h	37.30	a
1969	13.09	c	18.86		25.15		33.57	a	44.47	b	52.45		55.03		55.97		47.63		33.35		29.64	a	22.62	b	35.99
1970	17.84		26.34		23.58		25.37		41.69		54.72	a	58.50		61.85		42.58		35.63		26.00		17.54	c	35.97
1971	18.68	a	21.43		19.71		31.36	a	44.12	a	44.31	a	57.85	a	62.94		42.23		33.66		25.05		15.73		34.76
1972	11.50	a	20.86	a	27.03	a	26.88		42.39		47.28		55.95	b	60.67	a	41.12		37.92		25.97	a	13.13	a	34.22
Period of Record Statistics
MEAN	17.89		23.20		24.85		31.67		41.77		49.35		57.78		57.55		48.69		36.98		27.44		21.50		36.00
S.D.	4.62		3.16		3.28		3.47		3.84		3.57		3.34		4.54		4.98		2.98		2.70		3.90		1.43
SKEW	0.21		0.87		-0.79		-0.23		0.52		0.61		0.44		0.21		0.24		0.46		0.44		-0.81		0.29
MAX	26.42		29.83		29.94		37.48		51.12		57.76		65.07		65.20		58.42		42.65		33.45		26.31		38.21
MIN	11.50		18.86		16.84		25.37		35.37		44.20		53.11		51.27		41.12		32.77		23.43		13.13		34.22
YRS	15		15		17		15		17		18		17		17		18		18		17		15		6