SUMMIT 1 W, SD

Average of Minimum Temperature (Degrees Fahrenheit)

(398116)

File last updated on April 24, 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
1956	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.93		39.48		19.43		11.53	a	28.35	h
1957	-6.81		6.32		17.13		30.07		42.00		50.52	a	61.84		56.94		43.73		36.42		21.40		13.39		31.08
1958	8.52		2.07		19.94		31.93		43.87		47.13		54.00		55.45		45.70		34.90		18.23		0.32		30.17
1959	-4.50	a	-1.96	a	20.16		27.90		41.52		54.63		55.68		58.32		45.57		28.00		10.87		17.84		29.50
1960	-1.95	i	3.34		3.42		30.77		42.00		50.00	a	57.32		55.81		47.50		34.13		19.43		4.23		31.63	a
1961	-0.58		10.82		24.13		24.40		40.58		53.20		55.71		58.71		44.73		35.77		19.90		0.90		30.69
1962	-4.65		1.43		15.06		28.87		45.94		53.60		54.65		56.03		43.80		37.97		25.97		7.84		30.54
1963	-8.52		2.50		23.16		33.40		42.84		56.67		61.39		57.52		50.37		44.77		24.10		-0.32		32.32
1964	7.16		9.48		9.94		32.70		45.29		50.40		60.68		52.94		44.93		34.10		17.93		-0.71		30.40
1965	-5.71		-0.93		5.90		31.40		44.10		53.37		57.81		55.52		39.73		37.26		19.90		16.19		29.54
1966	-9.87		0.86		23.19		27.10		39.97		54.13		62.03		53.90		48.54	f	32.72	f	15.33		7.48		27.41	b
1967	2.35		-3.00		21.45		31.73		37.64	c	52.52	a	55.19		53.65		46.97		33.77		19.20		7.45		29.91
1968	1.00		1.28		22.57	a	31.30		40.03		53.47		57.77		55.00		48.10		36.45		22.90		4.74		31.22
1969	-7.87	a	7.86		7.10		35.23		45.06		46.77		58.10		58.94		48.73		32.16		22.40		10.10		30.38
1970	-7.03		3.46		12.32		29.47		42.48		55.90		59.00		57.74		47.47		34.94		19.10		2.23		29.76
1971	-5.97		4.86		18.45		32.20		39.23		56.53		52.10		54.81		46.93		36.65		20.17		3.55		29.96
1972	-6.35		-1.69		16.26		32.00		48.13		54.10		56.13		58.29		43.60		30.71		20.80		-0.65		29.28
1973	5.42		9.64		27.55		30.70		41.23		52.67		55.35		60.58		45.67		40.23		18.93		4.77		32.73
1974	-2.55		4.57		16.45		32.20		40.32		50.90	a	61.00		51.55		39.00		34.16		20.10		10.93	a	29.89
1975	2.10	a	0.43		8.97		26.00		43.23		51.80		60.32		55.45		41.70		35.06		21.03		6.26		29.36
1976	-0.94		12.83		15.23		34.37		39.35		53.73		57.52		57.81		43.87		27.81		9.77		-2.06		29.11
1977	-11.39		9.79		22.00		36.93		51.45		53.37		58.32		49.90		46.43		34.32		16.60		0.97		30.72
1978	-10.29		-3.04		15.13		31.40		45.23		50.90		56.29		55.13		51.63		33.71		14.50		0.39		28.41
1979	-11.74		-7.64		12.94		25.76	a	37.58		51.40		56.90		53.84		46.70		31.42		18.93		14.97		27.59
1980	2.26		3.86		12.97		33.20		45.61		53.40		55.87		55.06		44.37		31.13		-----	z	4.83	a	31.14	a
1981	5.10		10.32		22.68		35.97		43.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	23.41	g
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	57.94		54.27	a	42.50		37.17	a	14.29	m	11.77		40.73	g
1983	8.78	d	14.21		17.30	a	23.83		36.87		49.33		59.90		60.32		45.47		33.42		19.63		-16.29		29.40
1984	-1.29		12.74	b	13.09	i	32.86	a	40.07	a	52.97		55.65		56.32		38.93		34.81		16.74	c	0.03		30.89	a
1985	-6.13	a	1.37	a	22.87	h	33.77		48.04	c	47.30		54.63	a	48.93	a	44.47		31.37	a	5.39	b	-11.14	c	27.09	a
1986	3.87		-0.63	a	18.61	c	31.17	a	42.80	a	51.70		55.61		50.87	a	45.53		35.16		13.38	a	12.77		30.07
1987	11.39	c	19.96		22.81		35.37		47.42		53.87		60.10		52.29		46.37		29.55	b	24.47		14.87		34.87
1988	-4.00		0.38		19.00		29.03		48.52		59.13		60.55	b	57.10		46.10		29.26		19.30		7.97		31.03
1989	4.90	b	-7.14		14.13		29.83		42.47	a	49.21	a	60.74		57.13		46.00		32.65		14.83		-3.17	a	28.46
1990	13.13		8.21		22.71		29.31	a	40.13		52.13		55.63	a	56.73	a	49.23		30.68		21.83		0.73	a	31.71
1991	-1.58		13.48	a	19.20	a	33.83		48.10	a	58.13		57.39		58.03		46.20		30.03		13.86	a	12.13		32.40
1992	9.61		17.90		22.03		28.62	a	42.74		49.20		50.87		51.06		44.03		31.26		19.93		2.65		30.83
1993	-1.19		0.68		14.61		28.40		41.13		49.83		55.42		55.87		40.55	a	31.26		16.30		7.58		28.37
1994	-11.43	a	-4.96	a	20.03		29.27		44.61		53.60		54.87		53.35		48.60		37.71		24.03		11.97		30.14
1995	3.63	a	4.84	c	18.68		27.10		39.90		53.67		56.90		60.61		45.47		33.48		15.60		7.61		30.63
1996	-7.83	a	4.10		10.30	a	26.40		39.61		52.73		54.10		56.52		46.20		33.97		10.67		-1.39		27.11
1997	-5.26		6.04		13.10		25.43		37.55		54.57		57.90		54.74		49.00		36.07	a	16.76	a	14.80	a	30.06
1998	6.23		21.36		16.42		33.10		47.23	a	50.73		58.52		58.03		51.50		37.90		24.53		12.00		34.80
1999	-0.35		16.82		21.00	a	33.17		44.77		53.73		61.42	e	55.68		44.83		31.70	a	26.37		12.81		33.50
2000	2.13	a	14.97		23.97		29.73		44.23		50.97		57.71		57.23		45.90		37.84		15.86	b	-5.72	b	31.23
2001	6.97	b	-4.48	a	13.60	a	32.07		45.10		53.90		60.03		57.87		48.00		33.16		30.27		13.19		32.47
2002	9.17	b	15.39		8.23		29.83		37.19		55.63		61.23		56.48		49.67		28.83	a	19.66	a	11.42		31.89
2003	1.06		0.11		14.48		32.93		40.32		51.77		57.42		58.38	b	45.47		36.29		16.93		14.68		30.82
2004	-1.48		8.32	a	23.61		29.30		40.06		48.30		55.65		50.94		51.77		37.29		23.87		11.37	a	31.58
2005	0.68		12.14		17.42		33.20		41.35		56.89	b	59.97		54.55		51.40		35.48		22.30		8.97		32.86
2006	16.90		2.68		21.32		35.07		44.35		53.20		60.52		57.45		43.73		30.39		19.80		14.52		33.33
2007	5.13		-0.11		23.81		28.27		46.74		54.97		59.16		56.00		48.30		38.03		20.23		4.94		32.12
2008	-0.48		1.83		16.00		26.83		39.71		49.57		57.65		57.13		47.97		35.39		23.20		-1.48		29.44
2009	-4.10		5.39		16.52		30.50		40.90		51.07		53.39		54.10		52.07		32.71		28.60		3.45		30.38
2010	2.13		3.64		26.10		38.13		44.58		54.77		59.19		61.03		46.50		37.16		21.67		3.55		33.20
2011	-3.48		1.61		13.42		30.77		42.29		53.93		64.45		57.61		46.03		38.61		22.20		15.00		31.87
2012	10.61		12.28		31.48		35.80		46.84		55.27		63.84		55.23		43.97		33.35		22.27		8.71		34.97
2013	2.55		5.29		9.45		23.67		43.42		53.87		58.77		57.29		52.70		34.97		18.57		-2.03		29.88
2014	-5.45		-4.89		15.10		28.77		43.87		54.63		56.29		57.74		49.37		36.65		11.77		13.81		29.80
2015	8.71		0.07		22.58		32.40		40.94		53.93		57.94		55.06		52.73		37.23		26.73		15.90		33.69
2016	6.87		13.72		25.97		32.23		43.68		55.00		56.77		57.03		49.30		37.10		29.47		4.97		34.34
2017	5.97		16.32		19.29		32.30		41.42		51.63		58.16		53.39		49.43		34.68		19.50		7.68		32.48
2018	3.65		-2.36		16.97		22.03		49.58		58.57		58.48		57.00		49.30		30.61		15.27		13.06		31.01
2019	-1.77		-5.57		13.29		31.63		40.42		54.43		59.81		55.81		51.97		31.81		19.87		9.06		30.06
2020	4.42		6.76		22.35		28.10		42.16		57.70		60.03		58.35		46.07		29.13		25.20		12.65		32.74
2021	13.52		-2.18		26.39		30.27		42.74		56.90		60.65		58.06		50.90		40.90		24.67		9.77		34.38
2022	-2.29		-0.96		18.71		27.13		44.48		56.83		59.77		58.00		50.27		34.68		20.57		2.97		30.85
2023	5.90		4.21		9.52		26.80		47.55		58.23		55.77		58.65		52.30		36.45		24.03		21.42		33.40
2024	7.26		19.72		19.77		32.00	i	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	15.59	i
Period of Record Statistics
MEAN	0.70		5.09		17.74		30.53		42.93		53.15		57.91		56.02		46.76		34.42		19.74		6.82		31.08
S.D.	6.76		7.12		5.67		3.35		3.23		2.82		2.69		2.57		3.33		3.33		4.74		7.08		1.83
SKEW	0.10		0.43		-0.23		-0.23		0.33		-0.11		-0.04		-0.59		-0.17		0.22		-0.36		-0.64		0.32
MAX	16.90		21.36		31.48		38.13		51.45		59.13		64.45		61.03		52.73		44.77		30.27		21.42		34.97
MIN	-11.74		-7.64		3.42		22.03		36.87		46.77		50.87		48.93		38.93		27.81		5.39		-16.29		27.11
YRS	66		67		65		66		66		65		66		66		66		66		65		67		60