MOUNT ADAMS RS, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(455659)

File last updated on April 19, 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
1909	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1910	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1911	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1912	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1913	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1918	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1920	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1921	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1922	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1923	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1924	-----	z	-----	z	-----	z	-----	z	38.65		44.04	b	46.35		44.52		38.92	d	34.93	d	27.34	a	15.73	a	36.31	d
1925	27.38	b	29.81	b	28.43	a	32.89	c	38.96	c	43.37	c	47.86	c	41.33	a	39.92	d	28.89	c	26.77		29.15	d	34.56
1926	25.74		28.85	b	28.40	a	34.60		36.07	c	41.79	k	48.78	d	45.12	f	35.67		35.52		29.14	b	20.83	b	32.36	b
1927	19.00		24.61		26.19		29.04	b	33.03	b	42.59	a	42.90		40.68		38.30		35.19		34.74	c	19.63	a	32.16
1928	22.23		22.90		30.55		32.23		38.16	f	45.83		46.06		41.54	g	37.23		34.74		30.48	a	23.77		32.60	b
1929	14.87		13.67	a	30.42		30.22	c	34.89	d	44.40		42.77		44.39		34.80		33.87		22.90		29.32	c	31.38
1930	6.83	a	29.00		28.77	a	34.08	f	37.21	b	40.47		44.55		44.90		41.77		32.39		27.47		23.80	f	33.33	b
1931	26.31	e	25.14	f	29.37	d	32.37		40.07	c	43.75	b	56.39		44.23		40.97		32.76	b	25.90		18.36	f	37.21	b
1932	21.11	c	19.55		31.04	d	32.61	g	36.62	b	43.45	a	45.03		45.68		38.20		36.72	b	32.14	a	20.70	a	33.66	a
1933	24.14	b	19.19	b	26.72	b	29.65	d	35.71	c	42.70	c	45.55		44.32		39.60		35.68		29.53		31.76	b	33.71
1934	29.52	b	27.62	d	32.64	c	38.11	c	40.32		42.97		44.81		45.13		40.60		38.19		34.27		28.21	c	36.87
1935	21.90	a	24.29		25.74		29.00	a	35.58		43.50		46.84		42.71		40.87		31.61		24.00	a	26.39		32.70
1936	25.52		12.68	a	25.29	c	32.38	a	40.40	a	44.45	a	45.45		44.52		37.07		33.13		21.23		29.13	a	32.60
1937	8.20	a	23.11		29.07	a	33.00	k	37.37	a	44.40		48.19		44.29		41.20		35.97		32.28	a	28.74		33.89	a
1938	25.13	a	25.50		27.07	b	31.69	a	36.14	c	44.23		48.29		43.03		42.20		34.32		25.43		24.93	c	34.00
1939	27.80	a	22.75		28.77	a	32.17		38.39		42.03		47.71		43.68		39.93		35.93	b	28.04	e	30.35		34.80
1940	24.52		28.55		30.61		34.57		40.42		44.03		48.94		44.45		43.47		39.37	a	25.50		25.58		35.83
1941	25.94		25.61		28.94		33.97		38.97	a	43.23		49.43	a	48.32		41.90	a	35.14	c	30.12	e	28.71		35.86
1942	16.37	a	25.36		26.77		33.29	b	37.68		42.85	d	47.26		48.52		39.30		33.83	b	29.64	b	27.00		33.99
1943	15.80	a	25.57		25.87		32.83	a	34.68		39.62	a	47.10		44.10	a	41.31	a	35.52	b	31.31	a	24.84		33.21
1944	21.03		26.21		27.32		32.27		37.13	a	44.00	a	48.42		45.90		42.53		36.66	b	29.37		23.10	a	34.49
1945	27.35		28.14		28.23		32.10		39.13		41.66	a	45.96	e	46.83	a	40.00	a	35.03	b	29.20	j	23.74		35.29	a
1946	24.73	a	26.79		29.30	a	30.42	r	40.97	b	42.17		44.33	a	46.26		39.21	b	34.23	a	25.64	b	26.83	b	34.59	a
1947	18.97		25.46		29.46	c	32.73		40.00		-----	z	47.97		44.23		41.37		38.17	a	31.31	a	27.45		34.28	a
1948	22.00		21.59		-----	z	-----	z	-----	z	47.96	d	45.16		45.87	a	38.52	a	31.72	b	28.31	d	19.74		33.43	c
1949	2.23		21.04		28.00	a	32.17	a	39.63	a	41.43		46.32		46.42		42.14	a	29.76	b	32.40		24.85	e	32.20
1950	9.07	a	27.44	c	27.59	d	28.61	b	34.29		43.00	a	47.65		46.19		39.55	a	36.93	a	30.17		29.79	b	33.36
1951	23.32		22.15	a	22.68	i	29.63	c	37.00	a	42.50	b	46.10	a	44.61		41.28	e	35.93	c	27.61	b	20.63	d	33.71	a
1952	18.04	c	24.17		26.70	a	30.36	b	37.26	d	43.93		46.74		46.94		40.17	a	35.26	d	19.15	j	26.77	a	34.21	a
1953	30.48		27.46		28.76	b	31.55	a	35.94		40.44	l	45.77		47.29	g	41.50		35.96	c	32.31	a	29.29		33.90	b
1954	22.52		25.71		23.77		31.07	a	37.58		42.03		42.48	h	45.45		39.86	a	31.40	a	36.73		23.00		32.65	a
1955	23.07	a	24.82		24.06		29.43		36.24	b	46.13		46.58		44.58		40.97		35.84		25.90		22.39		33.33
1956	24.26		19.00		26.68		31.10		39.43	a	42.68	e	48.67	a	47.06		40.90		33.85	e	28.80	j	25.53	a	34.47	a
1957	11.45	b	23.59	a	28.70	d	33.38	d	41.48	b	44.50	h	46.32	f	41.91	h	41.55	a	33.95	l	25.00	r	27.30	k	30.03	f
1958	27.44	d	31.37	i	26.90	k	31.22	g	40.65	k	50.37	c	50.19		49.35		41.90	a	34.84		29.19	c	29.10	a	39.05	d
1959	26.19		27.04		29.39		31.67		34.52	f	45.27	d	48.26		45.03		42.23		35.67	d	25.64	h	24.87		35.56	b
1960	19.58		25.41		26.83	a	33.87		37.61		44.70		47.55		47.39		39.97		36.83	a	31.10		21.63	d	34.37
1961	26.65	e	31.30	a	30.55		35.37		39.77		46.20		48.68		50.77		38.64	e	33.70	k	25.43	g	25.97	b	37.39	b
1962	22.86	b	24.73	b	25.32		33.28	a	37.93	a	42.11	b	46.84		47.77		41.84	e	35.77		32.27	d	29.17	b	34.99
1963	19.30	a	29.68		28.81		32.69	a	38.58		46.33		46.84		46.74		46.04	b	38.41	i	31.68	h	23.00	g	37.22	c
1964	28.23	e	25.64	d	28.00	g	29.68	h	34.45	i	43.63		47.81		44.47	a	38.27		33.36	c	28.00	b	21.77		34.58	c
1965	26.10	b	28.71		25.68		31.90		36.80	a	44.30		48.23		48.48		37.20		36.40	f	32.95	k	23.78	m	36.38	c
1966	23.55	k	25.21	i	24.32	i	30.43	i	37.05	k	43.33	l	45.32		44.61		41.00		33.29	j	27.60	j	27.52	j	43.65	i
1967	26.57	j	25.05	i	26.52	h	26.40	j	32.86	i	43.69	d	45.32		45.68		40.45	a	31.27	i	23.55	j	15.40	k	43.79	h
1968	18.00	i	24.50	i	31.86	j	31.77	h	38.96	e	43.54	b	48.97		48.58		43.73		34.65		31.87		23.06		39.17	d
1969	14.65		25.14		26.71		32.03	a	40.16		50.14	b	46.13		44.42		42.80		31.77		29.77		26.32		34.17
1970	20.08	g	28.82		28.94		30.33		37.00		48.18	b	50.06		47.84	f	41.10		32.68		30.07		24.52		35.17	b
1971	24.65		25.57		25.10		29.83		38.74		41.07		47.19		47.52		37.23		32.79	c	30.37		25.21	g	34.55	a
1972	21.16		25.34		30.61		29.80		37.45	b	44.60		47.10		48.23		39.00		28.06		32.87		19.81		33.67
1973	22.71		28.75		31.32		31.80		37.13		44.23		47.58		43.97		43.00		38.03		29.17		30.31	b	35.67
1974	18.17	a	29.00		29.68		34.53		38.23		45.37		47.61		47.81		40.83		35.19		35.53		30.29		36.02
1975	25.65		27.89		30.90		34.23		38.35		-----	z	-----	z	-----	z	-----	z	40.71		33.36	b	30.27	a	32.67	d
1976	28.31	b	28.93		28.16		34.47		37.60	a	42.10		49.45	b	49.35		47.86	b	36.77		31.17		26.29		36.71
1977	20.20	a	29.68	c	30.58		33.30		36.61		49.41	c	49.00		50.78	h	39.73		34.13		28.43		29.27	e	34.58	a
1978	27.53	a	30.46	b	31.13	a	34.78	c	37.26		45.07		48.45		49.19		44.07		32.87		23.87		19.87		35.38
1979	8.77		23.92	b	28.39	c	32.13		39.10		43.90		49.03		48.06		45.07	p	38.84		27.30		30.65		33.65	a
1980	16.03	b	28.62		30.59	b	32.58	d	-----	z	43.07	a	51.42		47.07	a	42.70		35.84		-----	z	27.21	b	35.51	b
1981	-----	z	29.96	c	32.42		35.24	a	42.06		45.70	c	50.14	j	51.00		44.07		35.13		32.28	a	26.71		37.46	b
1982	26.53	l	25.71		28.13	a	-----	z	-----	z	45.43		46.97		46.06		40.67		33.68		26.97		24.59	b	35.36	c
1983	29.57	a	34.17	v	35.32		31.21	b	38.19	e	46.10		51.13	a	45.77	a	40.52	a	33.35		33.43		16.10		36.43	a
1984	24.53	a	27.07		30.82	c	30.43		34.06		40.07		45.67	a	46.16		40.59	c	31.65		29.03	a	19.10	b	33.27
1985	18.79	b	20.54		25.00		32.10		37.61		42.80		48.97		43.26		35.67		32.87	a	18.07	b	12.48	b	30.68
1986	24.14	b	23.68	c	31.65		32.31	a	40.81		47.73		47.33	a	50.19		40.83		34.19		32.52	a	24.14	b	35.79
1987	22.94		27.00	a	30.10		34.71	b	40.55		45.00	a	48.55		45.55		41.53		31.03		32.66	a	22.73	a	35.20
1988	24.00	a	25.66		29.52		35.60		38.35		41.93		48.10		45.26		40.47		36.10		32.04	c	25.83	b	35.24
1989	26.24	b	16.29		28.61		33.45	a	37.26	d	45.65	d	45.90	a	45.60	a	37.80		33.60	a	33.69	a	25.77	a	34.15
1990	29.17	a	23.57		28.62	b	35.17		38.32		-----	z	50.70	d	49.97	a	43.14	a	34.29		32.24	a	17.13	a	34.76	a
1991	23.03	a	30.74	a	27.74		32.17		39.50	a	41.08	e	49.58	l	50.81	d	41.03	a	31.59	b	31.76	a	27.48	f	34.95	b
1992	28.46	g	32.92	d	30.38	e	35.52	c	40.10		-----	z	-----	z	48.33	a	42.45	a	37.00		30.33		23.43	a	35.61	c
1993	18.04	c	20.88	d	27.64	c	34.19	d	42.64	f	45.10		45.52		44.90		38.53		35.00	a	20.86	a	26.30	a	32.45	a
1994	28.30	d	24.70	a	29.14	c	34.28	e	40.18	c	41.93	a	50.13	a	48.23	a	-----	z	33.06		26.10		26.35		34.77	a
1995	25.97	b	28.07		29.39		32.03		39.20	a	43.30	c	50.43	a	43.97	a	43.93		-----	z	34.50	b	26.84	l	37.08	b
1996	23.33	g	18.26	f	28.71	c	33.38	d	36.67	d	41.00	a	50.03	b	47.74		39.33		35.96	g	28.55	h	25.00	j	39.55	e
1997	20.47	p	25.37	i	29.33	j	28.21	k	38.75	k	42.72	e	46.75	c	49.80	a	43.57	b	34.38	e	30.73	h	25.11	m	43.45	g
1998	28.08	r	29.78	j	27.45	i	32.32	h	40.92	g	44.77		53.69	o	49.15	d	43.77		33.00	c	32.78	g	23.68	f	42.67	h
1999	28.44	m	28.16	i	27.09	i	28.38	i	33.29	j	44.57	b	45.48		51.37	a	37.40		34.45	k	34.25	f	29.00	k	44.71	h
2000	23.32	l	26.11	k	27.17	h	32.05	j	38.95	i	43.20		45.16		44.93	b	32.54	b	30.84	f	25.33	l	21.10	k	41.46	h
2001	25.19	j	23.22	j	20.47	l	23.90	j	33.00	n	39.86	a	48.96	c	49.45		42.67	f	34.28	f	27.59	h	26.00	i	46.09	i
2002	24.00	j	22.21	i	25.14	j	29.23	h	34.25	k	43.34	a	-----	z	45.97	a	40.00	g	27.32	f	28.54	f	29.46	g	44.66	j
2003	28.86	j	24.67	j	32.67	j	33.43	i	38.59	i	46.34	a	49.97		48.52		44.69	d	38.88	e	23.19	i	26.29	g	45.68	g
2004	21.37	l	24.84	j	30.09	h	32.55	h	39.48	h	44.55	a	50.47	a	52.07	a	43.70		36.64	f	28.79	f	28.54	g	47.70	h
2005	25.57	h	21.26	i	30.72	f	34.65	d	42.28	f	43.70		49.10	a	46.93	a	40.47	k	37.22	h	27.75	f	20.29	g	43.60	h
2006	29.65	h	23.23	f	29.41	d	31.72	e	37.22	d	46.33		51.94		47.42		41.88	d	33.10	j	29.30	j	23.62	j	40.85	e
2007	19.96	h	27.61	e	31.59	d	33.48	e	10.55	t	-----	z	-----	z	46.89	l	41.73	d	33.12	f	28.58	f	26.00	i	33.60	h
2008	18.54	g	28.18	g	27.46	e	28.16	e	40.30	d	43.27		49.83	a	49.33	a	38.48	e	34.04	e	33.70	g	21.83	g	38.86	d
2009	24.24	j	24.74	i	26.81	j	31.09	h	37.17	h	47.69	a	49.43	a	50.33	d	41.08	e	32.96	f	29.74	g	17.88	g	47.13	h
2010	29.67	m	28.95	i	29.21	b	33.81	d	37.61	c	44.93	a	47.61		46.14	c	44.68	b	36.57	a	29.89	c	26.85	e	37.73	b
2011	25.65	e	24.40	h	31.09	h	30.22	g	35.32	i	44.31	a	45.83	b	48.97	a	44.44	c	37.93	c	27.57	g	20.46	g	41.19	f
2012	25.62	r	26.10	i	28.91	i	38.42	k	39.46	g	43.24	e	49.41	b	47.61		40.60		35.65		33.03		26.76	b	39.47	e
2013	20.65		27.82		29.71		33.77		40.19		46.73		48.52		51.87	a	46.86	a	29.71	q	28.57		20.61		35.94	a
2014	26.13		25.57		29.68		34.03		39.84		45.83	a	50.97	a	52.13	a	43.44	c	41.34	b	27.37		27.39		36.98
2015	27.77		31.83	d	30.37	d	32.61	b	39.96	c	49.03	a	52.83	a	50.75	c	40.38	a	40.39		27.57		26.10		37.47
2016	27.23		29.00		30.90		36.41	a	41.00	a	44.93	a	50.71		48.13		40.59	a	40.55		34.53		19.52	b	36.96
2017	18.19		24.68		30.81		32.67		39.39		47.03		50.00	a	50.68		44.53		31.69	b	32.53		25.13	a	35.61
2018	30.20	a	26.46	b	29.07	b	34.17		44.59	b	44.17		49.93	a	50.54	c	40.82	b	33.31	b	29.73		28.73	e	36.81
2019	27.45		21.14		21.31	b	35.67		42.29		45.59	c	49.16		49.89	c	45.04	c	30.45		27.40		26.71		35.18
2020	30.16		27.00		28.35		34.52	a	39.96	d	47.23		49.59	b	49.44	f	44.61	b	36.17	b	29.87		27.68		35.92	a
2021	28.97	a	28.72	j	25.64	t	31.24	e	35.07	a	46.90		52.41	i	49.77	a	40.86	a	34.69	b	31.83	f	26.58	g	38.21	e
2022	26.61	h	25.65	k	31.55	b	29.37		36.77	a	44.70	c	50.55	b	52.59	b	44.89	b	37.39	c	25.77		19.03	a	37.26	b
2023	25.03		23.74	a	26.90	a	36.75	f	43.81		45.50		49.61		50.29		44.53		36.19		29.13		30.10	a	36.80	a
2024	22.45		28.24		28.94		31.09	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	26.54	i
Period of Record Statistics
MEAN	22.57		25.61		28.70		32.63		38.38		44.29		47.98		47.04		41.04		34.86		29.51		25.05		34.58
S.D.	5.89		3.81		2.23		2.00		2.15		2.19		2.22		2.62		2.62		2.60		3.55		4.04		1.66
SKEW	-1.28		-1.05		-0.38		-0.07		0.15		0.44		0.42		0.09		-0.25		0.09		-0.68		-0.75		-0.29
MAX	30.48		32.92		35.32		38.11		44.59		50.37		56.39		52.59		47.86		41.34		36.73		31.76		37.47
MIN	2.23		12.68		21.31		28.16		33.03		39.62		42.77		40.68		32.54		28.06		18.07		12.48		30.68
YRS	76		76		80		76		77		91		90		91		94		82		73		74		37