WISDOM, MT

Average of Minimum Temperature (Degrees Fahrenheit)

(249067)

File last updated on April 20, 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
1923	-0.77		-4.26	a	1.84		-----	z	21.45		37.83		38.00		-----	z	-----	z	-----	z	-----	z	-----	z	15.68	f
1924	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1925	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1926	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1927	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1928	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1929	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1930	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1931	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-5.74		-5.74	k
1932	-14.07	a	-----	z	11.26		-----	z	-----	z	40.30		42.58		34.70	a	25.43	b	22.90	b	19.72	a	-3.71		19.90	c
1933	2.73	a	-4.82		10.48		21.17		27.87		40.47		39.10		35.87		27.47		22.97		16.67		18.50	e	21.54
1934	11.17	a	10.00		23.77		25.73		32.97		37.73		38.84		36.58		29.17		27.55		18.97		5.77		24.85
1935	1.61		0.82		12.87		21.33		27.19		34.00		39.55		35.16		27.53		22.20	a	5.70		-1.29		18.89
1936	1.39		-1.68	a	6.13	a	23.27		33.13		40.43		43.03		38.90		28.20		19.74		5.70		6.83	a	20.42
1937	-16.58		0.11		7.29		19.00	a	30.81		37.03		42.00		33.52		30.77		23.42		15.40		8.03		19.23
1938	0.81		5.11		12.03		24.53		30.23		39.23		43.45		35.94		30.47		25.10		9.27		7.39		21.96
1939	8.65		-1.11		9.10		22.33		30.74		34.37		39.19		33.06		27.10		23.19		8.33		14.13		20.76
1940	-3.35		6.55		16.42		25.33		29.13		36.40		40.32		34.61		35.80		27.61		8.07		0.87		21.48
1941	-3.97		-4.67	a	15.10		23.87		31.48		39.30		41.61		40.16		30.23		23.03	a	17.30		4.74		21.52
1942	-6.16		-4.07		7.57	a	25.97		27.20	a	35.80		40.23		34.13		27.67		22.29		10.03		7.61		19.02
1943	-3.03	a	1.14		5.65		27.20		28.19		36.20		40.00		35.19		26.30		19.50	i	13.87		-0.23		19.13	a
1944	-5.39		4.90		8.65		24.87		30.32		38.87		39.58		35.68		35.10		24.39		11.69	a	-1.55		20.59
1945	6.42		11.00		14.74		21.50		29.61		35.93		38.23		36.42		29.20		22.27	a	12.07		5.77		21.93
1946	2.84		5.57		15.58		22.97		27.71		35.90		39.19		35.74		30.03		23.17	a	15.64	b	9.20	a	21.96
1947	-3.40	a	5.73	b	11.13	a	-----	z	-----	z	-----	z	-----	z	48.11	v	40.60		33.87		12.86	a	4.19		15.00	e
1948	-1.52	b	2.41	b	1.42	e	20.24	e	31.29		39.78	g	34.97		31.68		22.46	b	16.87		11.53		-----	z	17.14	b
1949	-----	z	-----	z	-----	z	27.43	p	-----	z	34.92	f	34.41	b	38.75	w	27.70	g	18.45		18.03		3.94		18.71	h
1950	-0.16		6.50		11.32		20.97		24.00		35.17		37.10		33.81		28.80		27.58		12.10		9.65		20.57
1951	-2.58		1.81	a	5.23	a	20.07		30.10		31.47		36.87		35.84		27.93		24.03	a	8.97		0.61		18.36
1952	0.48		-2.28		0.23		18.93	a	33.19		37.37		36.71		35.74		26.07		16.97		4.70		2.81		17.58
1953	18.26		6.39		12.06		19.73		26.58		35.77		38.13		35.50	a	29.10	a	21.65		18.80		9.29		22.61
1954	6.63	a	9.61		5.61		24.40		28.45		34.73		41.00		35.32		28.27		18.68		17.87		-2.23		20.70
1955	-0.35		-3.04	a	2.45		17.87		28.32		34.87		41.07	a	34.35		27.76	a	23.17	b	9.13		1.52		18.09
1956	-0.48		1.38		8.61		21.67		33.45		34.67		38.52		33.48		25.07		19.52		8.13		6.90		19.24
1957	-12.65		4.67	a	9.45		21.23		33.29		35.27		35.10		30.23		23.83		24.97	a	10.52	a	8.42		18.69
1958	-1.87		10.07		5.21	b	21.43		32.00		37.77		36.77		35.39		25.24	a	16.23		11.83	a	14.10		20.35
1959	6.77	a	1.50		10.48		21.73		26.81		37.67		36.58		33.32		30.57		24.17	a	9.83	a	5.35		20.40
1960	-2.53	a	-2.52		7.65		23.40		27.71		34.33		38.68		33.32		27.33		19.35		13.21	a	1.32		18.44
1961	2.16		18.35	b	14.19		20.47		26.94		36.83		37.84		37.61		27.33		20.84		9.43		3.34	b	21.28
1962	-6.29	c	3.71		3.97		21.20		31.19		36.60		37.48		34.03		25.60		24.03		12.31	a	9.63	a	19.46
1963	-3.30	a	16.43		15.87		19.70		29.81		37.50		35.74		33.39		32.07		27.00		15.57		3.53	a	21.94
1964	1.06		2.48		4.77		20.73		29.03		37.43		39.77		33.83	b	26.27		17.43	a	10.10		3.43	a	18.86
1965	6.23		6.54		-3.26		21.79	b	25.94		35.00		37.26		36.23		25.07	b	19.47	a	15.53		2.77		19.05
1966	4.00	a	0.68		1.90		18.00		24.97	a	33.37		34.23		31.81		29.13		18.94		15.83		3.48		18.03
1967	10.23	a	7.11		10.13		16.00		27.48		38.80		39.23		33.35		29.83		23.48		14.57		0.33	a	20.88
1968	-1.84		4.45		12.81		17.77		25.03	a	35.90		34.74		35.84		30.47		21.94		12.40		-1.87		18.97
1969	3.13		-6.50		-1.16		24.13		30.23		35.63		36.87		31.90		27.27		17.94		14.90		6.17	b	18.38
1970	4.39		6.85	a	6.26		17.90		29.07	a	38.27		41.48		33.58		27.73		17.61		14.93	a	3.06		20.09
1971	8.48		9.00		10.23		21.70		29.16		34.80		35.77		36.68		23.60		19.10		13.73		0.61		20.24
1972	3.55		6.72		17.40	a	20.07		26.68		37.70		36.35		36.71		25.43		18.48		12.53		-0.61		20.08
1973	-2.74		-3.00		12.81		20.20		24.10		35.43		36.87		35.45		29.07		22.69	b	15.24	a	10.58		19.72
1974	2.29		9.43		12.06		23.17		26.61		36.10		37.52		34.32		23.67		17.71		15.48	a	6.26		20.38
1975	3.32		0.18		8.77		13.23		26.94		34.47		44.03		36.26		24.37		23.71		9.97		10.77	a	19.67
1976	8.10		5.54	a	3.16		19.97		29.68		34.77		38.13		35.19		29.80		20.03		15.10		7.52		20.58
1977	-1.52		7.89		11.53	a	19.23		29.10		39.03		37.29		36.06		29.70		21.35		13.14	a	8.19		20.92
1978	6.10		8.15	a	14.10		25.86	a	30.06		33.07		39.10		33.19		31.07		18.35		5.97	a	-6.68		19.86
1979	-18.35		7.26	a	11.32		21.23		28.10		33.83		35.74		36.03		26.80		22.97		3.13		12.68		18.40
1980	-6.13	a	6.86		13.48		21.13		33.16		36.67		38.39		33.06		31.93		20.55		14.20		14.37	a	21.47
1981	10.35		11.11		19.06		24.30		32.90		36.97		35.42		34.23		25.03		22.23		14.17		7.71		22.79
1982	1.82	t	-2.93		14.35		13.33		25.97		37.17		38.45		34.42		26.53		21.23		7.27		1.06		19.71	a
1983	2.84		2.82		12.97		17.47		26.45		34.57		38.45		40.10		27.47		23.62	b	14.59	a	-10.65		19.22
1984	6.00		3.34		14.52		20.40		29.26		35.27		38.81		37.39		24.47		17.13	a	11.20		-4.39		19.45
1985	-7.39		-4.68		-1.81		21.47		28.10		33.33		38.61		33.39		28.27		19.83	a	3.47		-1.68		15.91
1986	2.00		10.50		17.68		22.07		27.97		36.87		34.94		34.42		29.87		17.90		11.97		-3.13		20.25
1987	-3.26		1.71		18.94		20.63		30.40	a	34.90		36.39		30.03		23.07		10.61		9.47		2.16		17.92
1988	-2.20	a	3.24		8.58		22.60		27.81		37.97		34.71		28.97		23.77		20.84		11.77		-2.03		18.00
1989	2.42		-10.50		13.55		21.03		28.77		35.53		39.03		35.87		24.27		22.90	a	18.60		8.52		20.00
1990	8.58		2.61		13.29		24.10		27.26		34.63		38.32		37.16		29.10		18.71		14.72	a	-6.84		20.14
1991	1.23		12.43		14.90		21.67		28.65		34.03		36.13		35.26		28.63		16.16		11.07		1.00		20.10
1992	0.84		4.10		18.16		22.20		26.68		37.77		37.71		32.94		26.37		21.00		9.41	a	-6.20	a	19.25
1993	-7.80	a	-10.88	b	14.65		23.24	a	31.39		35.48	a	34.45	b	33.97	a	25.87		21.10		6.47		5.50	a	17.78
1994	9.29		2.04	a	15.16		22.63		30.40	a	34.37		35.68		32.52	b	25.83		22.00		5.20		2.87		19.83
1995	-1.17	a	14.27	b	16.97		22.63		29.32		35.67		39.52	b	33.10		28.83	a	22.13		20.31	a	7.55		22.43
1996	2.30	a	2.72		13.97	a	24.07		28.74		35.07		36.00		31.50	a	27.00		19.42		14.37		7.45		20.22
1997	0.37	a	1.04		12.60	a	18.03		28.77		39.31	a	38.10	a	35.97		29.70		22.19		12.52	a	-3.26		19.61
1998	3.90		-2.11		12.16		21.97		29.35		36.90	a	42.65		34.52		33.07	a	17.81		19.45	a	4.37	a	21.17
1999	9.50	a	4.21		5.61		16.97		26.45		36.07	a	33.06		37.80	a	24.37		20.29		16.59	a	5.77		19.72
2000	3.42	e	4.93	a	9.00	a	23.31	a	29.97		33.34	a	34.65		31.39		26.31	a	21.21	b	-0.44	e	0.00		18.09
2001	-2.31	b	-4.07		10.59	b	20.07	a	27.90		32.91	g	39.77	a	34.00	a	28.28	a	23.17	a	15.54	d	-3.07	a	17.26	a
2002	6.77	a	-2.37	a	8.36	c	19.34	a	26.69	b	36.64	e	41.30	d	31.93	d	27.12	d	12.87	a	11.32	b	9.25	c	19.10
2003	9.77	a	-0.37	a	19.00	c	22.67	c	28.14	b	34.29	b	39.64	c	38.29	c	27.73		20.93	b	4.79	b	4.33	d	20.77
2004	-1.00	a	-1.76		17.33	g	21.66	a	29.81	e	35.54	b	38.88	f	36.29	c	29.33	c	23.24	b	11.44	c	10.62	e	19.52	b
2005	6.45		2.43	e	17.77	a	21.63		29.72	b	36.14	b	37.59	d	33.61	c	26.52	a	24.70	d	5.00	f	-0.47	a	21.46	a
2006	8.77		-1.96		7.24	b	25.07	b	27.69	b	38.18	b	39.85	d	32.86	c	26.67		21.90		13.36	h	2.68		20.81	a
2007	-1.86	b	9.54		18.68		22.32	b	27.46	c	35.65	d	42.79	c	32.65		26.80		23.89	c	12.12	d	6.79	c	21.40
2008	-1.32		5.92	d	5.72	b	12.57		28.96	c	34.18	b	36.97	b	33.27	a	25.27		20.04	c	22.84	k	3.61	c	18.65	a
2009	1.96	f	0.89	a	6.69	e	19.76	a	28.28	b	36.32	b	36.79	g	36.57	a	28.48	e	19.82	c	10.06	l	-5.40	a	19.05	c
2010	1.13	h	0.27	f	12.54	e	18.80	e	24.04	f	36.92	d	37.08	f	35.00	b	29.37	c	23.59	d	12.86	b	-1.83	b	20.91	d
2011	3.95	i	0.92	b	10.16	f	19.76	e	27.90	b	35.00	c	37.82	c	35.22	d	27.41	c	26.18	i	7.58	f	0.97		23.12	d
2012	6.68	f	0.52	d	14.26	d	23.33	f	25.18	c	32.96	b	40.81	j	32.96	d	23.22	c	16.92	f	14.21	k	6.00		19.30	e
2013	0.88	f	4.33	a	9.65	e	21.04	e	28.68	c	36.74	k	37.83	a	33.74	h	33.15	c	18.29	g	15.85	j	3.92	e	19.80	e
2014	9.50	e	2.07		14.00	b	20.81	c	26.23		33.80		39.52	d	38.71	c	28.27		24.36	c	10.73		8.03	b	21.34
2015	8.16		15.22	a	17.93	d	18.66	a	29.65		37.23		38.42		34.13		29.21	a	26.48	d	4.71	b	5.48	d	22.11
2016	1.62	g	11.38		15.78	h	23.14	h	29.39	h	35.30		34.57	c	29.15	e	30.50		27.42		18.17	r	-5.10	k	28.05	f
2017	-8.43	h	10.38	b	25.88	n	22.43	b	28.41	i	36.30		38.35		33.26		29.00		21.88	n	10.48	a	4.73	a	23.12	d
2018	7.42	g	7.96		10.03		22.70		33.87		36.36	e	36.38	b	32.58		25.53		23.45		-----	z	0.39		22.93	b
2019	-1.62	o	0.79		-0.90		23.93		28.45		34.87		36.87	a	35.24	b	32.77		15.03		12.60		2.23		20.17	a
2020	6.90		1.86		8.81		18.57		28.90		35.72	a	34.32	i	35.43	a	26.60		18.81		6.67		1.23		17.23	a
2021	1.32		2.54		6.55		18.00		23.83	g	34.73		39.75	g	38.00	d	25.25	f	22.57	a	19.90		12.35		17.33	c
2022	1.77		2.96		18.71		15.87		26.11	d	36.32	e	39.61		39.06		31.97		22.10		1.53		-0.52		19.63
2023	-2.61		-2.82		2.03		16.83		32.90		39.13	g	38.52	f	40.52		30.40		22.81		23.07	p	-0.30	k	17.51	d
Period of Record Statistics
MEAN	1.26		3.35		10.47		21.04		28.76		36.07		38.15		34.74		28.01		21.43		11.91		3.63		20.05
S.D.	6.31		5.62		5.55		2.82		2.38		1.80		2.36		2.29		2.98		3.45		4.49		5.43		1.50
SKEW	-0.51		0.12		-0.32		-0.60		0.00		0.34		0.30		0.11		1.02		0.08		-0.37		0.01		0.21
MAX	18.26		18.35		23.77		27.20		33.87		40.47		44.03		40.52		40.60		33.87		20.31		18.50		24.85
MIN	-18.35		-10.88		-3.26		12.57		21.45		31.47		33.06		28.97		22.46		10.61		-0.44		-10.65		15.91
YRS	82		90		88		87		86		87		85		89		90		87		82		90		69