MOUNT SPOKANE SUMMIT, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(455674)

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
1953	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	51.03		48.55		43.77		36.81		26.13		19.32		37.60	f
1954	12.55		28.00	r	16.81		23.24	i	33.42	s	35.70		45.84		45.45		38.13		29.71		28.40		18.48		30.12	c
1955	14.03	a	11.67	d	10.60	a	20.63		28.63	a	39.37		45.61		49.23		42.66	a	30.83	b	6.33	o	11.35	h	29.33	b
1956	19.28	f	10.44	k	19.40	a	31.17	a	38.61		37.34	a	50.93	c	47.80	a	40.62	d	27.56	d	21.63		15.68	i	35.01	c
1957	4.86	b	13.92	b	19.83	b	27.27		40.33	g	41.70		46.47	a	45.78	d	44.29	b	28.90	a	22.11	b	19.77	a	28.63	a
1958	21.61	c	25.96		19.60	a	26.00	b	43.23		44.32	e	54.32	c	54.26		41.26	c	35.79	b	20.05	i	20.85	e	35.20	a
1959	12.77	e	15.62	b	21.35		27.29	b	30.74		41.60		48.38	g	43.45		36.15	c	31.84		16.34	a	18.87	a	26.91	a
1960	13.58		16.45		23.19		25.70		30.84		40.21	b	57.17	b	42.71		41.93	a	31.23		21.69	a	18.48		30.27
1961	21.55		22.22	a	21.94		25.10		34.81		48.90	a	51.84		53.66	b	35.37		29.81		17.47		12.90	a	31.30
1962	11.68		16.96		18.71		30.06	n	31.93	b	40.52	a	46.60	a	44.94		42.17	a	33.37	a	25.00	a	19.50	a	30.12	a
1963	4.00	a	24.59	a	20.65		25.07		36.47	a	41.08	e	43.71		49.48		48.00		34.47	a	22.66	a	16.06		30.52
1964	14.77		17.38		18.62	b	23.70		34.00	e	40.77		48.71	c	42.30	h	36.95	i	33.71	j	19.29	m	11.91	i	28.28	e
1965	19.89	c	17.14		14.13	a	28.10		33.06		41.17		50.32		-----	z	-----	z	36.10	k	23.87		-----	z	28.46	d
1966	-----	z	17.86		21.14	b	26.33		37.30	a	37.29	b	44.24	b	45.93	b	47.36	e	28.70	a	22.52	a	20.71		31.76	a
1967	19.83	g	19.29		17.76	j	21.30	c	34.32		44.19	d	51.55	i	55.85	d	49.62	d	30.50	a	22.32	b	13.19		32.29	c
1968	12.80	a	23.28		24.71		20.93		33.06		39.90	a	52.13		45.32		39.90		27.03		20.57		6.13	h	30.88	a
1969	8.62	b	15.68		21.10		26.69	a	38.52		43.57		46.77		46.35		40.43		28.06		25.55	a	18.73	a	30.01
1970	14.48		22.50		18.94		20.47		35.32		46.40		50.16		54.55		35.20		29.71		21.43		14.07	a	30.27
1971	14.60	a	15.86		15.19		25.38	a	36.68		37.13		50.26		54.84		35.30		28.74		21.00		12.06		28.92
1972	7.16		17.11	a	22.58		21.17		35.94		40.17		48.90	a	50.00	a	34.33		32.29		22.97	a	8.43	a	28.42
Period of Record Statistics
MEAN	13.06		18.44		19.36		24.84		34.91		41.12		49.17		48.79		40.92		30.85		22.45		16.76		29.96
S.D.	5.21		3.94		3.44		3.06		3.52		3.30		3.55		4.22		4.62		2.79		2.93		3.75		0.98
SKEW	-0.01		0.43		-0.93		0.04		0.40		0.56		0.40		0.38		0.25		0.71		-0.14		-0.82		-0.40
MAX	21.61		25.96		24.71		31.17		43.23		48.90		57.17		55.85		49.62		36.81		28.40		20.85		31.30
MIN	4.00		11.67		10.60		20.47		28.63		35.70		43.71		42.71		34.33		27.03		16.34		8.43		28.42
YRS	16		17		18		17		17		19		18		18		18		18		17		15		7