HUNTLEY EXPERIMENTAL STATION, MT

Average of Minimum Temperature (Degrees Fahrenheit)

(244345)

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
1911	0.87		0.11		26.87		28.53		40.48		51.87		51.55		50.48		42.17	a	28.90		14.40		9.45		28.81
1912	6.10		17.93		6.19		33.43		41.19		49.50		54.42		51.19		38.90		30.16		27.33		17.68		31.17
1913	0.06		6.46		12.70	a	32.03		40.58		52.00		52.52		52.87		40.62	a	30.55		23.30		10.61		29.53
1914	12.16		5.75		23.00		33.03		41.06		48.77		55.87		49.77		42.40		32.55		24.67		2.97		31.00
1915	5.97		16.25		22.23		38.50		42.07	a	45.10		50.32		53.29		41.14	a	32.52		20.62	a	16.58		32.05
1916	-16.77		9.83		25.97	a	31.43		38.74		47.97		56.42		51.29		39.80		29.32		19.10		2.48		27.96
1917	6.65		5.85	b	12.39		31.10	a	38.58		45.87		57.10		50.42		43.70		29.26		27.70		6.45		29.59
1918	1.84		9.71		27.26		29.53		39.84		53.63		54.13		50.74		43.50		34.90		13.00		17.52		31.30
1919	18.52		5.64		16.13		31.67		41.87		51.30		55.81		52.80	a	45.13		20.77		13.37		4.00		29.75
1920	9.80	a	15.66		18.39		29.03		40.16		48.03		57.32		53.06		41.70		32.16		17.50		12.32		31.26
1921	14.23		15.32		20.74		30.17		41.26		53.57		53.65		52.39		40.63		32.29		16.07		11.00		31.78
1922	2.39		-6.89		20.39		32.24	a	41.77		52.23		53.52		56.42		41.87		32.10		20.60		4.52		29.26
1923	14.06		8.11		18.87		28.67		40.13		48.33		57.65		52.97		45.03		31.00		24.87		12.19		31.82
1924	3.80	a	24.34		20.87		32.30		37.61		47.50		52.45		48.23		39.47		33.77		19.73		2.48		30.21
1925	9.73	a	17.82		22.35		36.27		40.61		48.90		52.67	a	49.29		45.07		24.10		25.33		20.26		32.70
1926	18.58		24.78	a	21.00		32.77		44.81		49.53		56.58		52.13		37.13		37.23		20.80		11.81		33.93
1927	6.97		13.86		23.97		31.03		38.94		48.77		51.68		50.10		40.93		31.52		19.47		-5.13		29.34
1928	9.87		15.69		27.55		29.37		44.48		47.03		54.68		48.94		39.50		30.77		21.53		13.42		31.90
1929	-6.26		-1.61		25.84		29.37		37.00		46.43		54.74		54.52		40.37		33.68		20.30		10.26		28.72
1930	-4.84		22.71		19.90		37.43		40.58		45.90		55.90		56.06		43.20		30.45		20.23		18.35		32.16
1931	14.39		19.50		21.03		29.23		39.48		53.17		55.52		53.03		43.77		31.74		18.93		15.13		32.91
1932	8.58		12.00		11.35		33.07		43.19		50.10		53.32		53.35		40.03		28.68		22.53		6.52		30.23
1933	5.71		4.07		24.61		30.77		40.77		53.00		54.77		51.39		39.93		32.03		23.83		8.48		30.78
1934	19.77		16.32		21.68		31.50		44.68		49.87		54.55		50.45		38.77		35.29		23.77		15.03		33.47
1935	7.90		19.82		16.00		25.83		38.45		46.43		53.77		47.23	a	41.03		30.00		17.90		17.77		30.18
1936	8.35		-15.34		22.55		29.30		43.77		52.43		61.58		53.94		42.27		34.06		21.43		11.00		30.45
1937	-12.13		4.75		23.06		31.57		41.87		48.07		57.00		50.65		44.10		35.45		20.63		13.42		29.87
1938	19.55		8.57		23.55		33.33		39.84		50.73		54.13		50.00		45.40		36.10		21.63		15.81		33.22
1939	16.65		3.36		23.39		31.45	a	42.06		47.33		55.06		48.87		40.50		33.39		20.83		20.65		31.96
1940	-1.32		15.97		27.68		31.93		40.53	a	49.62	a	55.87		51.23		49.23		37.68		15.67		16.71		32.57
1941	13.35		12.71		22.03		32.40		42.81		49.97		56.06		55.13		41.40		30.55		25.23		12.65		32.86
1942	13.84		8.71		25.68		32.33		39.03		45.97	a	53.55		50.77		43.14	a	33.58		19.37		14.90		31.74
1943	-0.55		15.93		10.73	a	35.13		37.55		48.47		53.03		51.74		38.77		32.53	a	22.97		16.39		30.22
1944	12.58		8.07		17.74		31.69	a	43.39		49.13		52.16		49.87	a	41.30		31.19		20.97		8.26		30.53
1945	11.40	a	14.61		23.70	a	27.77		38.61		46.87		53.84		51.39		39.57		34.48		20.03		8.77		30.92
1946	16.74		16.57		27.10		34.10		38.26		47.97		55.58		50.39		43.33		31.19		19.03		11.80	a	32.67
1947	13.68		7.61		16.87		32.17		40.84		45.83		54.45		52.10		44.20		35.29		21.10		15.10	a	31.60
1948	16.84		9.66		16.90		32.30		42.81		52.00		54.68		52.94		44.87		28.94		21.00		1.06		31.17
1949	-11.45	b	-1.32		19.81		34.10		42.87		49.03		51.74		50.32		40.97	a	29.40	a	29.27		3.00		28.14
1950	-13.20	a	13.70	a	19.19		29.97		37.29		46.03		50.23		48.61		40.43		33.94		16.40		17.71		28.36
1951	5.97		14.14		9.52		26.87		40.39		43.80		53.90		52.03		39.63		30.58		19.40		0.32		28.05
1952	-----	z	11.89	a	19.42		31.83		41.90		48.77		50.13		52.26		43.23		29.32		16.03		14.84		32.69	a
1953	20.71		20.82		23.10		26.97		37.35		48.37		53.13		51.06		42.50		34.87		25.18	b	18.14	b	33.52
1954	-1.35		25.07		14.73	a	28.30		38.90		46.20		55.58		50.13		43.13		31.29		27.43		15.55		31.25
1955	9.35		7.15	a	13.06		28.77		41.74		49.63		55.06		53.90		41.67		33.19		10.07		4.35		29.00
1956	1.68		4.86		22.65		27.47		43.61		52.03	a	53.68		50.77		42.50		31.90		24.30		16.90		31.03
1957	-3.03		9.71		21.10	a	30.70		43.61		48.70		55.71		54.17	a	43.70		33.16		23.90		20.97		31.87
1958	15.58		10.89	a	24.74		31.57		44.57	c	47.43		51.77		54.42		42.50		31.35		23.90		13.32		32.67
1959	7.03		1.68		27.87		28.27		36.74		50.90		52.16		51.61		42.87		33.23		15.10	a	20.48		30.66
1960	8.13		11.07		18.97		30.37		40.26		48.80		55.84		51.42		41.57		33.52		20.50		14.60	a	31.25
1961	16.94		24.11		23.35		29.77		42.61		51.00		55.68		54.23		39.13		32.06		18.07		11.77		33.23
1962	6.97		14.29		15.71		31.80		41.94		48.40		51.68		49.45		41.47		36.94		27.47		20.06		32.18
1963	-0.42		22.86		24.03		31.67		42.13		50.47		54.81		53.58		50.10		37.39		21.90		11.00		33.29
1964	17.87		20.66		16.42		31.50		42.71		48.53		56.10		49.71		40.50		32.45		16.90		2.42		31.31
1965	12.32		14.32		10.35		31.90		39.58		47.00		53.45		51.97		37.17		33.94		23.00		12.03		30.59
1966	-0.97	a	7.32		21.90		29.23		40.48		47.97		57.16		50.19		47.10		33.03		16.73		9.45		29.97
1967	17.00	a	21.75		19.81		28.30		38.39		48.83	a	54.71		50.97		45.93		35.84		22.77		9.29		32.80
1968	3.40	a	21.48		26.65		28.97		39.74		48.13		52.68		51.03		42.27		31.77		25.10		7.74		31.58
1969	-8.61		7.46		16.81		34.07		39.45		46.03		53.06		50.81		43.37		29.45		24.17		17.27	a	29.44
1970	8.80	a	18.44	c	20.81		26.23		41.84		49.41	a	53.48		50.35		39.43	b	30.16		20.07		9.71		30.73
1971	7.74		15.07		21.55		30.80		41.16		48.63		48.58		54.68		40.00		32.10		23.53		5.10		30.75
1972	0.71	c	14.14		26.61		29.83		41.84		50.87		49.26		53.84		38.47		29.94		24.13		6.03		30.47
1973	11.90		16.29		23.87		28.67		37.66	b	49.37		51.81		53.00		42.90		33.61		18.38	a	18.10		32.13
1974	9.45		21.43		24.23		33.90		38.35		47.80		54.55		47.32		37.90		32.06		21.83		15.57	a	32.03
1975	11.68		2.39		20.48		25.70		37.65		45.27		56.39		48.45		38.45	a	31.53	a	16.96	e	15.87		29.23
1976	14.94		20.59		17.32		33.07		40.42		45.57		51.81		47.83	a	37.46	b	24.43	a	17.21	b	15.10	a	30.48
1977	3.93	a	22.82		21.45		31.17	a	41.43	a	50.33		52.52		49.37	a	41.03		31.07	a	17.00		9.42		30.96
1978	-4.06		2.93		18.42		34.10		41.71		46.25	b	51.26		47.84		43.10		29.23		12.07	a	1.23	a	27.01
1979	-11.00	a	-1.32		19.68		27.13		36.00	a	45.54	b	50.42		49.32		39.48	a	31.23		15.30		9.57	a	25.95
1980	0.23	a	13.28		18.23		33.23		41.74		47.73		51.13		46.68		39.70		29.35		24.50		14.81		30.05
1981	17.71		15.56	a	24.69	b	32.63		41.81		46.40		50.93	a	50.48		40.37	c	27.55	b	21.93		13.23		31.94
1982	-5.62	b	9.04	a	19.27	a	26.03	a	37.54	c	47.17	a	51.07	b	50.87		39.03		29.21	b	17.79	a	11.94		27.78
1983	17.23		18.43		24.27	a	26.93		37.77		46.03		51.83	a	56.55		40.11	c	33.57	c	22.79	a	-9.97	b	30.46
1984	18.82	c	23.59		25.74		29.74	c	37.41	b	46.53		52.46	e	54.22	d	38.29	b	26.45	b	18.80	e	-0.85	d	30.93
1985	5.28	b	4.81	b	19.26		32.34	a	42.68		46.38	a	54.10	b	48.90	a	39.40		28.06		5.15	d	10.27	a	28.05
1986	22.97		10.68		29.28	b	31.17		37.13	a	51.86	a	50.58	e	50.63	a	41.67		32.53	a	12.79	a	15.74		32.25
1987	13.67	a	17.54	b	24.62	b	32.13		44.03		49.58	d	53.21	c	49.06		41.03		27.53	a	21.40		12.81		32.22
1988	6.29		13.89	a	23.66	b	30.25	b	42.11	d	54.41	a	54.10		48.73	a	40.31	a	32.77		20.85	c	16.11	c	31.96
1989	9.60	a	0.44	a	14.33	a	31.59	a	39.83	a	46.33		55.61		50.13		38.77		30.73	a	24.28	a	8.18	c	29.15
1990	18.39		10.48	c	20.55	b	31.90	a	38.38	b	47.24	a	51.80	a	52.55		43.90		29.31	b	23.14	b	3.53	a	30.93
1991	5.32		24.04	a	21.61		32.50		42.10		49.70		54.13		53.58		43.10		27.29		19.41	a	17.48	b	32.52
1992	15.71		18.55		26.77		33.40		40.45		49.63		50.00		-----	z	38.83		29.48		20.39	b	5.42	g	32.32	b
1993	-----	z	-----	z	-----	z	-----	z	41.52		48.63		49.35		48.39		38.90	a	30.63	a	16.39	b	16.97		36.35	d
1994	11.30	a	6.44	a	24.83	a	31.23		41.90	b	48.20		52.42		52.00		43.13		31.97		17.34	a	13.93	d	31.22
1995	16.57	a	19.56	a	18.71		29.10		38.35		48.37		52.42		50.23	a	42.59	a	31.26		-----	z	-----	z	34.72	b
1996	-----	z	8.80	n	15.71	n	33.76	m	40.20	p	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1997	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.13	h	52.06		42.20		31.45		20.97	a	17.48		32.83	g
1998	9.77	a	21.52	a	18.90		33.60		38.68		45.90		57.48		54.65		49.00	a	33.32		26.71	b	13.10		33.55
1999	15.55		24.82		22.61		31.57		40.16		47.63		50.19		54.00		38.80		30.35		25.73		21.32		33.56
2000	11.17	a	16.54	a	25.00	a	32.79	a	42.52		47.37		54.65		50.90		41.28	a	29.33	a	11.90		2.58		30.50
2001	15.48	d	6.50	b	25.21	b	39.88	d	40.13		48.93	a	56.61		52.42		44.63		30.30	d	21.82	b	11.48	b	32.78
2002	14.44	f	17.12	d	11.59	b	25.25	b	37.03		48.30		55.26		47.10		41.80		25.68		23.33	c	12.31	b	31.34	a
2003	11.93	b	14.36	c	18.41	d	33.27		40.77	a	47.20		55.10		54.13		38.86	b	32.54	c	13.62	a	13.50	a	31.14
2004	5.64	c	15.31		24.75	c	32.20		37.29		44.90		52.65		47.97	a	39.55	a	30.28	b	20.38	f	14.52	f	33.05	b
2005	3.26		16.40	c	22.83	b	29.41	a	38.45		47.73		51.90		48.16		39.41	a	29.79	c	23.76	a	11.48		30.22
2006	20.10		12.07		17.37	a	32.93		38.79	b	48.10	a	54.03		49.58		40.33		28.52		16.36	b	13.00	a	30.93
2007	10.32		11.57		25.55	b	29.66	a	41.50	a	48.40		57.06		50.90		42.60		32.87		21.77		12.30	a	32.04
2008	7.17	a	15.18	a	19.87		25.30		42.13		46.52	a	52.83	a	50.17	b	38.80		30.12	g	25.69	a	2.90		29.69	a
2009	14.93	a	19.68		17.03		31.50		38.71		46.23		50.71		49.47	a	42.07	b	25.67	d	17.96	b	1.75	c	29.64
2010	7.83	b	7.30	a	27.43	a	32.11	b	39.27	a	50.17		55.10	a	54.41	b	44.26	c	36.96	c	19.43	b	13.81		32.34
2011	16.45	b	8.95	g	25.07	c	33.73		43.23	a	51.27		58.71		57.17	a	43.65	d	37.00		20.90		21.13		37.12	a
2012	14.19		16.93		28.10		34.79	b	39.67	a	49.97		58.26		50.74		40.93		30.97		22.50		13.13		33.35
2013	12.74		19.61		17.43	a	27.52	a	42.90		46.53		55.39		56.48		48.93		31.42		20.21	a	7.16		32.19
2014	17.39		4.43		21.23		32.00		42.87		48.30		53.55		55.16		42.77		34.00		14.87		15.23		31.82
2015	14.35		17.82		26.35		31.40		42.42		54.47		55.45		51.84		44.83		36.61		22.50		11.81		34.16
2016	14.77		24.41		25.19		35.80		41.45		50.90		54.03		51.74		46.73		34.39		27.83		4.16		34.29
2017	2.52		14.96		28.00		34.30		40.94		50.10		57.16		51.03		43.67		30.03		21.93		12.35		32.25
2018	7.26		-4.11		17.10		27.73		46.84		50.97		53.97		52.39		41.90		30.39		21.70		15.52		30.14
2019	12.23		-4.93		10.26		34.57		39.45		49.57		54.77		52.75	c	45.40		22.39		19.33		16.60	a	29.37
2020	11.48		14.61	a	21.52		25.62	a	41.97		51.30		53.23		53.03		42.20		25.26		19.73		16.23		31.35
2021	15.06		-0.18		22.06		28.17		39.87	a	51.57		57.13		51.61		42.43		33.90		24.30		6.74		31.06
2022	10.90		8.70	a	20.32		22.83		41.16		48.73		56.58		55.39		47.27		35.45		11.00		-2.26		29.67
2023	14.61		10.50		13.16		28.90		44.16		52.37		54.81		55.45		47.07		32.23		24.21	a	21.00	c	33.20
2024	2.65		19.48		22.39		30.16	e	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	18.67	h
Period of Record Statistics
MEAN	8.53		12.49		20.92		30.97		40.64		48.76		53.95		51.53		41.91		31.47		20.44		11.43		31.07
S.D.	8.25		7.87		4.74		2.85		2.15		2.26		2.30		2.31		2.69		3.10		4.23		6.17		1.64
SKEW	-0.85		-0.68		-0.69		0.01		0.08		0.40		0.12		0.23		0.73		-0.59		-0.65		-0.78		-0.46
MAX	22.97		25.07		29.28		39.88		46.84		54.47		61.58		57.17		50.10		37.68		29.27		21.32		34.29
MIN	-16.77		-15.34		6.19		22.83		36.00		43.80		48.58		46.68		37.13		20.77		5.15		-9.97		25.95
YRS	109		110		111		111		111		111		111		111		112		111		110		109		103