STAMPEDE PASS, WA

Average of Average Temperature (Degrees Fahrenheit)

(458009)

File last updated on April 25, 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
1944	24.54	c	26.96	b	28.80	c	37.90	f	44.75	e	50.43	g	57.73	c	56.08	g	55.37	c	50.31	d	30.35	c	22.39	h	39.85	d
1945	26.91	c	28.23	d	28.50	b	32.54	b	46.27	c	48.33	d	58.73	a	59.12	b	49.96	e	47.16	i	27.08	d	24.35	e	39.09	a
1946	27.71	e	28.40	c	30.70	c	36.58	d	47.40	f	47.79	d	56.80	c	59.07	c	50.48	f	37.52	a	28.68	e	28.63	e	38.19	b
1947	24.80	i	31.71	d	36.29	c	39.33	d	49.05	c	47.09	b	53.80	c	53.45	a	52.05		39.30	c	30.68	e	27.86	c	41.87	a
1948	25.15	d	23.72	d	26.80	d	31.57	a	40.50	c	52.80		52.35		51.65		48.23		40.55		29.30		20.55		36.93
1949	14.18		22.89		30.77		37.42		47.10		48.00		53.02		54.85		52.82		38.63		38.73		25.19		38.63
1950	8.63		24.38		27.42		32.00		38.87		48.58		56.06		58.23		53.68		38.32		30.52		31.15		37.32
1951	21.94		26.52		26.76		39.48		43.00		52.97		56.89		55.29		54.05		39.16		29.68		23.02		39.06
1952	20.61		26.79		28.56		37.88		43.97		46.25		57.65		56.40		55.77		50.00		29.97		26.06		39.99
1953	32.35		28.30		29.84		34.02		40.06		43.68		55.31		56.03		51.92		44.98		33.87		29.71		40.01
1954	22.08		27.68		27.45		31.75		42.40		43.53		52.15		50.34		49.27		40.92		36.32		25.53		37.45
1955	25.63		23.89		23.68		30.63		36.27		47.45		51.13		54.40		49.55		39.82		24.47	a	22.10		35.75
1956	22.92		20.50		27.32		38.32		46.79		45.52		58.06		57.29		51.03		37.74		29.95		29.85		38.78
1957	16.21		26.62		29.69		37.47		48.34		49.38		52.08		52.85		57.28		39.98		33.00		29.73		39.39
1958	27.37		32.61		30.90		36.15		51.31		55.13		62.76		59.85		49.80		44.90		29.20		29.69		42.47
1959	24.63		25.93		29.84		35.83		40.19		49.17		57.82		52.29		46.35		41.81		30.75		26.81		38.45
1960	22.23		25.60		30.92		36.48		39.32		49.25		60.15		51.52		51.85		43.63		30.42		25.00		38.86
1961	27.81		29.64		31.11		33.85		41.79		55.50		58.34		61.76		46.50		39.42		27.55		24.76		39.84
1962	26.53		28.64		29.37		37.83		37.77		48.87		54.95		53.15		52.52		42.63		32.37		30.27		39.58
1963	21.76		36.07		31.97		34.25		44.47		47.00		50.92		56.68		56.45		42.92		30.95		26.63		40.01
1964	26.26		29.36		28.32		31.47		38.63		46.32		54.58		50.95		47.20		43.23		28.85		20.71		37.16
1965	26.77		28.57		32.48		37.10		40.18		49.92		58.79		56.02		49.22		46.24		34.30		25.45		40.42
1966	25.82		27.25		30.95		36.70		42.92	a	46.68		53.65		55.55		54.37		41.47		33.33		29.85		39.88
1967	28.39		30.39		28.19		32.20		42.71		54.58		57.42		64.77		56.53		40.77		32.93		26.35		41.27
1968	25.15		33.55		34.34		33.63		43.71		48.73		59.32		53.55		50.65		37.90		30.67		19.98		39.27
1969	15.53		24.52		32.81		35.32		47.48		56.02		54.16		53.32		50.02		39.26		33.88		26.56		39.07
1970	24.00		31.55		31.18		30.88		41.73		53.13		56.48		57.16		46.68		39.89		30.27		23.58		38.88
1971	27.06		27.89		26.11		33.90		42.82		45.98		59.63		60.48		46.88		39.87		31.32		23.89		38.82
1972	22.40		26.43		32.35		30.25		45.42		49.47		57.29		59.23		45.77		42.73		32.72		21.42		38.79
1973	21.81		29.75		31.37		35.98		43.95		47.30		56.60		52.47		50.70		39.69		26.75		28.48		38.74
1974	20.84		28.29		30.05		34.58		37.68		50.08		54.06		58.18		55.97		46.15		32.53		29.65		39.84
1975	26.11		25.18		27.95		31.57		40.63		45.15		57.52		50.06		54.07		37.76		29.43		28.42		37.82
1976	29.65		27.31		27.79		35.37		42.15		45.55		54.56		53.65		54.62		43.87		35.48		31.37		40.11
1977	27.13		32.27		29.77		41.45		39.87		52.45		53.00		61.44		46.92		40.39		27.90		24.71		39.77
1978	27.37		28.70		34.69		36.02		40.29		52.67		56.27		54.66		45.95		44.32		28.02		21.65		39.22
1979	16.60		26.18		34.87		36.68		44.56		49.38		56.29		55.81		53.67		45.27		28.58		29.58		39.79
1980	18.71		27.38		30.16		40.68		44.37		46.58		55.40		52.29		51.17		44.69		32.78		32.84		39.76
1981	29.24		29.55		35.18		36.30		42.03		45.15		54.10		61.29		51.58		41.97		34.10		26.16		40.55
1982	25.69		25.41		30.76		33.30		41.60		53.58		54.71		55.68		50.83		39.52		27.33		24.27		38.56
1983	30.56		30.57		35.06		38.35		45.98		47.35		51.74		56.58		46.50		41.60		31.23		17.48		39.42
1984	28.45		29.72		34.58		33.28		37.98		46.35		56.71		55.15		47.22		36.92		29.12		21.98		38.12
1985	22.02		24.91		30.29		37.45		43.71		49.25		62.48		54.85		46.52		38.00		19.32		22.82		37.64
1986	28.74		28.09		35.61		34.48		44.16		53.65		50.52		61.63		45.98		46.66		31.60		24.24		40.45
1987	23.97		30.39		33.65		40.08		45.98		53.55		52.53		57.66		55.95		49.53		34.17		24.11		41.80
1988	23.97		32.24		31.89		37.20		41.85		48.12		55.37		56.27		52.03		49.52		30.73		28.24		40.62
1989	27.65		20.12		29.11		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.63	i
1990	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1991	25.44		-----	z	30.65		36.57		40.42		45.87		56.81		57.90		55.38		43.29		31.17		28.85		41.12	a
1992	28.08		33.02		40.71		39.88		50.24		54.43		56.63		58.42		-----	z	42.27		29.88		22.77		41.49	a
1993	20.44		24.23		33.84		35.98		48.82		46.58		48.42		55.53		55.45		46.05		27.95		27.16		39.20
1994	33.45		25.82		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	29.64	j
1995	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1996	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.74		58.23		47.95		42.36	f	30.35	c	24.34		44.12	g
1997	25.76		28.41		30.63		34.47	a	46.39		47.47		54.33	a	59.35		52.57	b	39.52		34.52		27.44		40.07
1998	24.44	f	30.02		32.79		38.82		42.47		50.23		60.42		59.03		57.05		41.35		32.75		24.81		42.70	a
1999	30.45		26.93		30.39		35.70		38.44		45.55		54.60		57.66		52.65		41.61		35.08		28.87	a	39.83
2000	24.73		28.78		30.73		39.68		41.34		50.45		54.26		54.16		49.90		40.92		27.80		24.66		38.95
2001	26.39		26.89		33.05		35.15		44.92		46.28		53.61		58.00		53.23		39.16		33.68		26.39		39.73
2002	27.50		28.50		28.05		36.38		40.61		50.95		57.31		56.40		51.58		41.45		35.27		28.06		40.17
2003	30.18		29.38		32.98		36.00		43.06		52.73		59.48		58.92		54.78		45.60		29.10		26.73		41.58
2004	25.44		30.07		35.87		42.43		44.02		53.85		62.33	a	64.34		51.98		45.71		37.50		33.39		43.91
2005	31.61		34.73		39.87		41.88		50.31		50.95		59.69		61.97		52.13		45.69		31.88		27.06		43.98
2006	32.50		28.95		34.21		41.28		48.81		55.42		62.08		60.26		56.53		45.63		32.20		28.19		43.84
2007	26.76		31.34		34.61		36.62		44.71		48.98		59.66		55.37		49.80		40.15		32.53		26.84		40.61
2008	23.18		31.41		30.37		32.78		45.25	a	47.77		56.90		57.68		53.95		42.65		41.00		27.21		40.85
2009	-----	z	31.00	l	29.35	u	39.50	g	47.85		54.60		63.55		58.23		54.07		41.46	g	37.74	a	26.19	m	52.67	f
2010	32.52	f	35.07		35.05		38.07		43.66		48.40		57.13		56.35		50.07		43.47	b	36.75	p	23.77	p	45.25	c
2011	28.71		25.41		29.72	b	30.43	g	38.57	h	45.85		52.68		56.68		56.47		39.80	i	29.10		28.71	g	40.58	d
2012	-----	z	26.98	g	29.65	u	-----	z	-----	z	47.29	f	55.16	i	59.90		55.62		48.46	s	30.64	e	25.95	i	48.72	i
2013	26.63	a	30.30	f	-----	z	39.79	w	52.00	q	51.70	h	62.00	l	58.05	u	55.15	t	43.05	u	34.23	s	34.50	x	26.63	k
2014	-----	z	-----	z	-----	z	-----	z	46.62	w	50.57	i	61.68	n	61.23	i	53.43	i	-----	z	-----	z	-----	z	-----	z
2015	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	47.30	a	30.56	d	-----	z	38.93	j
2016	-----	z	-----	z	32.87	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	40.58		-----	z	-----	z	40.58	k
2017	-----	z	-----	z	32.68	q	36.54	b	-----	z	-----	z	59.19		65.66	b	55.88		41.98	c	31.60	a	25.16		45.14	e
2018	30.16	b	28.00	b	32.65	a	38.45		50.87		51.38		62.64	b	61.03		51.96	f	44.26		35.17		28.06		42.06	a
2019	30.34		22.66		33.68		40.68	k	50.27		51.48	c	56.15		60.28	a	50.70		39.14	m	-----	z	30.19		42.86	c
2020	29.48	b	31.63	c	33.27		40.57	b	47.13		51.05		58.39	d	58.68	a	58.25		45.41	d	34.00		29.45	c	43.11
2021	31.00	d	25.30	e	33.70	c	41.11	c	43.41	b	57.21	a	62.21		59.07	c	52.67		40.68		34.12	b	25.29		42.15
2022	28.52	c	30.06	a	35.22	a	33.02		39.68	a	50.20		62.74		65.32		58.50	b	49.05	j	27.53	a	23.90		41.34	a
2023	32.90	f	26.74	a	30.40	a	34.86	i	50.44	e	52.98	c	60.50	d	62.17	b	51.98	c	45.07	c	32.25		-----	z	45.84	c
2024	26.36	b	30.09		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	28.22	j
Period of Record Statistics
MEAN	25.47		28.20		31.43		36.14		43.70		49.62		56.64		57.18		51.89		42.38		31.36		26.30		39.75
S.D.	4.55		3.20		3.13		3.04		3.68		3.34		3.38		3.56		3.46		3.26		3.36		3.21		1.70
SKEW	-1.13		-0.01		0.39		0.05		0.25		0.34		0.05		0.22		-0.11		0.53		-0.14		-0.23		0.56
MAX	33.45		36.07		40.71		42.43		51.31		57.21		63.55		65.66		58.50		50.31		41.00		33.39		43.98
MIN	8.63		20.13		23.68		30.25		36.27		43.53		48.42		50.06		45.77		36.92		19.32		17.48		35.75
YRS	68		70		69		65		67		68		71		71		69		67		71		66		55