MOUNT SPOKANE SUMMIT, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(455674)

File last updated on April 26, 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	66.74		65.39		58.57		48.48		35.80		27.61		50.43	f
1954	22.39		38.27	q	28.90	a	36.27		51.61		52.70		64.00		59.74		53.43		43.42		38.55	a	27.17	a	43.47	a
1955	22.80	a	21.56	c	22.97	a	33.33	l	41.84		57.37		60.61		65.68		55.17	a	42.66	b	19.13	o	23.58	g	43.41	c
1956	28.42	g	22.59	l	28.30	a	44.04	b	53.84		55.10		68.75	g	63.46	c	59.19	d	38.08	e	33.90	a	30.61	h	46.99	d
1957	18.62	b	27.81	b	34.87	a	43.97		56.74	h	61.40		73.58		64.50	e	62.45	a	41.00		31.57	b	30.07	b	44.53	a
1958	28.76	b	33.78	j	26.18	t	38.17	g	59.13	a	60.12	e	69.93	c	72.26		57.57	b	48.72	b	30.71	i	32.04	d	53.57	d
1959	27.52	f	27.15	b	29.71		41.93	b	44.30	a	57.63		67.79	g	61.03		49.67	c	42.61		30.86	b	29.03	a	41.39	b
1960	21.61		25.86		33.45		38.97		43.77	a	57.79	b	73.16		59.84		59.10	a	46.10		31.72	a	30.16		43.46
1961	31.29		30.65	b	32.48		37.57		48.26		66.62	a	71.16		72.72	b	54.04	b	42.84		29.80		23.48		45.08
1962	23.70	a	26.19	a	29.73	a	41.31	n	42.81		57.25	b	62.43	c	60.97		57.10	a	45.29		35.54	b	30.03	b	42.82	a
1963	19.19		35.07	a	32.77		37.33		49.71		56.10	a	63.55		66.81		63.63		48.00	a	31.70		27.90		44.31
1964	24.33	a	26.10		29.13	a	37.33		48.58	e	55.13		66.35		62.00	j	53.43	i	47.77	i	29.94	m	24.05	i	41.00	e
1965	28.04	d	28.18		30.71		42.07		47.55		56.43	b	68.19		-----	z	-----	z	50.90	k	35.17		-----	z	42.04	d
1966	-----	z	26.79		34.26		40.07		53.47	a	53.57	b	64.45	b	65.07	b	63.28	e	44.19		32.43		28.23		45.98	a
1967	27.57	h	28.89	a	28.32	l	33.29	b	47.65		59.42	d	69.32	i	74.56	d	67.23	d	42.81		33.48	a	24.06		45.71	c
1968	23.67	a	33.66		35.16		37.14	a	47.93	a	54.93		68.00	d	59.50	a	53.73		39.23		28.30		18.57	h	43.75	a
1969	17.28	b	22.04		29.19		40.23		51.21	b	61.33		63.29		65.58		54.83		38.65		33.72	a	26.90	b	42.02
1970	21.19		30.18		28.23		30.27		48.06		62.62	a	66.84		69.16		49.97		41.55		30.57		20.66	b	41.61
1971	23.00		27.00		24.23		37.50		51.27	a	51.45	a	65.17	a	71.03		49.17		38.58		29.10		19.39		40.57
1972	16.20	a	24.45		31.87	a	32.60		48.84		54.40		63.45	b	71.55		47.90		43.55		29.07		18.26		40.18
Period of Record Statistics
MEAN	22.80		27.60		30.35		38.16		48.88		57.44		66.52		66.05		56.45		43.10		32.43		26.33		42.46
S.D.	4.21		3.62		3.43		3.92		4.26		3.77		3.75		4.87		5.49		3.32		2.79		4.22		1.87
SKEW	0.38		0.37		-0.54		-0.30		0.42		0.65		0.49		0.22		0.20		0.19		0.44		-0.69		0.16
MAX	31.29		35.07		35.16		44.04		59.13		66.62		73.58		74.56		67.23		48.72		38.55		32.04		45.08
MIN	16.20		21.56		22.97		30.27		41.84		51.45		60.61		59.50		47.90		38.08		28.30		18.26		40.18
YRS	15		16		17		16		18		19		17		18		18		18		17		15		7