STEVENS PASS, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(458089)

File last updated on April 17, 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
1939	-----	z	17.14		25.87		30.43		34.52		36.90	a	44.94		46.84		41.47		35.26		30.60		26.10	b	33.64	a
1940	19.36	c	23.78	b	28.61	c	30.90	a	36.68		41.57		45.23		46.19		44.43		36.68		-----	z	-----	z	35.34	b
1941	23.53	p	23.61		29.10		30.93		34.55		39.70		48.39		45.39		37.97	a	33.03		27.77		19.90		33.67	a
1942	13.61		18.64		22.15	d	30.24	a	32.97	a	38.62	a	46.48		45.79	c	40.50		33.67	a	21.73		21.29		30.47
1943	10.33	a	21.61	j	19.35		29.87		30.39		34.69	d	42.77		41.71		39.87		43.70	u	27.71	f	19.23		29.80	c
1944	17.00		18.24		20.86	b	28.77		-----	z	40.28	e	43.71		41.58		41.96	g	37.19	o	24.72	a	17.10		28.03	c
1945	20.19		21.85	b	20.70	a	25.03		34.00	w	37.33	f	42.18	c	44.96	g	37.27		40.30	u	-----	z	-----	z	27.87	f
1946	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1947	-----	z	18.60	r	26.04	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	23.30	h	26.04	k
1948	-----	z	14.62		17.11	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	15.86	j
1949	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1950	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	24.07		25.67	a	24.87	j
1951	16.35		19.14		19.52		29.93		33.24	f	41.75	r	43.25	o	42.18	i	41.89	b	33.06		23.85	c	17.23		25.12	d
1952	13.94		20.00		22.55		28.73		32.61	h	36.83		44.17	a	44.50	e	42.85	d	40.28	b	25.18	b	22.16		31.02	a
1953	27.90		23.85	a	24.14	b	27.67	f	32.82	i	35.70	j	42.72	b	45.43	c	41.21	a	36.28	b	28.21	b	25.97	b	32.86	c
1954	15.97	a	23.73	b	20.14	b	25.77	d	33.27	e	34.80	t	38.76	f	43.19	d	40.71	f	33.04	e	32.20	e	21.57	c	27.65	c
1955	21.31	e	17.86	f	17.81	d	24.37	c	30.55	i	37.56	e	40.75	g	43.40	p	38.05	j	33.13	h	12.56	l	-----	z	25.26	h
1956	17.97		14.57	a	21.42		30.52	g	-----	z	-----	z	-----	z	-----	z	42.00	f	32.62	g	23.93	b	22.58		20.09	g
1957	9.19		19.19	a	24.77		30.87		38.48		41.23		43.77		43.10		45.00		32.45		26.73		24.74		31.63
1958	22.65		27.50		22.81		28.90		38.97		46.63		51.52		48.50	a	39.73		36.77		22.07		23.83	a	34.16
1959	17.77	a	20.26	a	22.97		28.93		33.00		40.47		46.55	b	44.13	a	37.62	n	34.39		23.97		20.94		30.31	a
1960	17.32		20.31		23.03		29.10		32.61		39.37		47.10		44.94		40.37		35.74		25.53		19.10		31.21
1961	21.58		24.82		24.13		28.00		34.35		43.03		47.52		49.61		38.13		31.65		20.93		19.87		31.97
1962	18.48		21.46		20.52		29.77		32.31	b	38.48	a	44.46	c	44.50	c	40.04	d	34.89	c	27.00	a	24.39		31.36
1963	14.90	a	29.26	a	24.13		27.62	a	33.87		41.13		42.81		46.42		43.38	a	35.61		26.10		20.69	b	32.16
1964	21.74		21.03		22.71		24.50		31.10	a	38.00		43.77		42.21	b	37.03	a	33.68		24.04	b	14.00	a	29.48
1965	21.93	b	22.19	a	22.87		30.20		33.13		39.52	a	48.00	a	46.14	c	39.07		36.45		30.17		19.68		32.44
1966	20.67	a	22.78	a	24.03	a	30.31	a	32.64	c	38.63		44.07	a	45.58		43.13		32.58		27.33		25.70	a	32.29
1967	24.52		23.18		20.55		25.55	a	33.45		41.83		46.29		48.77		44.41	a	33.23		26.93		20.90		32.47
1968	19.29		25.57	a	26.87		26.03		34.19		39.83		46.80	a	44.32		-----	z	-----	z	24.80	o	12.78	d	30.63	c
1969	7.39		18.44	a	24.93	a	28.03		35.97	b	51.87		50.93	a	55.86	b	46.07		-----	z	24.00	n	21.29		34.08	b
1970	17.33	a	25.68		24.90		28.37		33.13		-----	z	-----	z	-----	z	-----	z	-----	z	18.73	o	17.40	a	24.47	f
1971	18.72	b	22.96		18.10		23.89	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.87		15.81		20.29	g
1972	14.87	a	19.00		24.45		22.21	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.50	l	15.23		19.15	g
1973	16.32		23.36		25.03		28.10	a	33.94		38.73		44.04	c	43.00	f	40.83		32.07	c	19.33	c	23.70	a	29.59	a
1974	14.19		22.11	a	22.35		28.20		30.16		37.74	c	42.03		45.81	d	43.89	b	35.19		26.83		22.87	a	30.95
1975	17.81		16.86		19.43	a	23.33		31.29		36.39	b	46.63	a	42.15	e	41.77		32.21	b	23.10		20.20	a	29.26
1976	21.70	a	20.24		19.69	b	26.50	d	31.83	a	34.28	a	41.77	a	44.81		44.07		34.71		28.72	a	25.73	a	31.17
1977	17.80	a	24.56	a	23.27	a	30.17	a	31.61		41.90		43.07	b	50.93	b	37.86	b	32.08	g	21.11	b	19.97	a	31.11	a
1978	21.33	a	23.11		27.42		27.14	i	33.14	i	42.35	d	46.26	d	45.27	i	39.50	d	35.27	a	21.32	b	13.26	d	29.98	c
1979	9.65		19.30	a	26.26		28.83	a	34.83	h	39.62	d	45.63	a	46.93	d	43.68	e	37.76	f	22.77	h	24.23	a	31.57	c
1980	13.13		20.48		24.19		30.70		35.39		38.31	d	45.48	b	44.40	k	39.95	i	34.41	b	27.32	k	25.08	e	29.69	c
1981	26.32		23.18		27.52		27.97	a	32.05	k	37.30		44.33	d	49.38	e	41.43	b	33.36	c	29.96	e	21.19		32.90	a
1982	19.40	a	19.46	b	22.63	a	24.27		32.85	e	41.90	a	44.85	d	47.00	n	41.08	e	32.55	i	20.31	n	21.75	k	30.80	d
1983	25.33	a	25.28	c	28.94		29.89	b	36.00	d	41.08	f	44.18	n	47.19	e	36.55	j	33.34	b	27.42	k	11.72	b	29.71	d
1984	22.83	a	24.74	b	28.40	a	27.20		31.57	c	36.50	h	46.59	i	44.70	d	37.56	e	28.58	e	24.52	c	14.68	c	28.48	b
1985	16.17	a	17.26	a	22.71		29.68	e	34.32		39.17	f	49.20	p	44.00	g	37.20		31.31	b	11.46	f	17.04	d	25.71	d
1986	-----	z	20.65	b	29.15	d	26.33	i	32.77	e	41.70	c	41.48	j	46.55	t	38.00	a	37.57	c	26.72	e	18.22	d	30.60	d
1987	19.19		23.81	b	26.45		30.69	a	36.04	e	40.48	e	46.26	d	44.90	a	43.72	l	38.00	b	30.62	f	17.47	a	32.33	b
1988	18.71		23.41	b	25.33	a	29.38	a	33.04	d	38.52	a	45.81	j	44.43	j	37.00	n	40.38	b	26.17	f	21.93	a	28.84	d
1989	21.63	a	13.23	b	22.13		31.43		34.77	e	40.84	e	44.22	d	46.00	c	41.80	e	32.57	c	26.38	n	23.78	h	32.86	b
1990	23.21	c	18.64	c	26.55		33.14	b	33.96	h	39.81	d	49.14	q	49.84	f	44.89	k	31.88	g	25.71	p	13.76	b	25.85	f
1991	19.40	a	29.35	b	23.10	a	28.48	e	33.92	e	38.78	c	47.59	i	49.15	d	43.00	k	33.30	d	27.42	k	24.82	c	31.14	c
1992	22.94		27.11	b	30.70	h	32.73	d	38.65	e	47.00	i	48.00	h	47.29	n	39.71	f	34.57	h	26.94	m	19.03	a	28.09	g
1993	14.03	b	19.23	b	25.57	a	29.76	a	40.68	f	40.48	c	42.69	r	47.48	d	41.70	j	39.70	h	25.72	l	21.36	i	29.43	f
1994	28.55		19.54	b	28.52	b	32.33	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.53	i
Period of Record Statistics
MEAN	18.58		21.55		23.69		28.53		33.83		39.88		45.26		46.00		40.98		34.44		25.50		20.22		31.50
S.D.	4.64		3.55		3.10		2.44		2.16		3.08		2.32		2.89		2.55		2.47		3.10		3.96		1.27
SKEW	-0.20		-0.03		-0.06		-0.68		0.70		1.55		0.82		1.13		0.10		0.44		0.10		-0.35		0.02
MAX	28.55		29.35		29.15		33.14		38.97		51.87		51.52		55.86		46.07		40.38		32.20		26.10		34.16
MIN	7.39		13.23		17.11		22.21		30.16		34.28		41.77		41.58		37.03		28.58		19.33		11.72		29.26
YRS	48		50		52		45		36		38		34		34		33		34		31		45		14