SUMMIT 1 W, SD

Average of Average Temperature (Degrees Fahrenheit)

(398116)

File last updated on May 12, 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	56.73		53.47		28.93		21.33	a	40.12	h
1957	4.21	b	15.82		27.08		41.68		52.47		61.24	a	72.71		67.37		55.08		44.87		29.82		22.98		41.28
1958	18.48		12.36		26.89		43.02		57.92		58.95		65.29		69.95		59.85		48.92		29.67		11.06		41.86
1959	5.12	b	8.72	a	30.82		42.75		54.63		67.50		69.89		72.06		58.93		39.39		20.03		25.40		41.27
1960	8.17	m	11.33		13.31		40.72		54.68		60.95	a	70.44		68.92		60.40		47.06		31.03		13.53		42.94	a
1961	9.95	a	19.71		33.23		36.85		51.79		66.70		67.63		71.71		55.58		47.40		29.65		10.56		41.73
1962	5.55		9.21		22.55		40.27		55.42		62.87		65.10		68.10		55.38		49.35		34.27		18.29		40.53
1963	1.55		13.93		33.66		44.82		54.05		67.86	a	70.44		68.02		60.77		55.60		34.18		8.60		42.79
1964	17.16		20.28		20.58		43.75		58.03		64.55	a	72.71		65.32		56.37		47.03		28.42		7.76		41.83
1965	4.29		10.36		15.27		40.55		55.65		63.68		68.50		67.18		47.93		49.56		30.12		23.61		39.73
1966	-0.26		10.25		32.95		36.67		52.23		65.03		74.06		64.95		60.19	f	45.26	f	25.53	a	16.31		37.77	b
1967	13.13		7.91		30.69		42.63		49.71	c	62.66	a	68.02		66.77		59.92		45.69		29.05		16.92		41.09
1968	10.77		11.79		36.88	a	43.57		51.65		65.20		69.05		68.08		59.05		46.65		30.02		11.19		41.99
1969	1.10	a	15.11		16.71		45.12		56.82		58.08		68.35		71.45		61.43		40.76		31.40		17.58		40.33
1970	2.15		14.72	a	21.42		39.75		55.58		67.18		71.79		70.21		60.45		45.55		25.75		12.27		40.57
1971	2.69		13.38		28.27		45.47		53.08		67.18		64.94		69.31		58.77		47.06		28.93		12.44		40.96
1972	4.10		7.78		24.45		40.32		57.55		65.08		67.21		68.98		56.98		42.50		26.98		7.66		39.13
1973	13.95		19.04		35.35		41.97		54.29		65.30		69.08		72.56		56.83		52.03		27.68		12.56		43.39
1974	6.87	a	14.70		26.05		43.65		51.50		64.33	a	74.31		65.21		55.15		48.89		30.05		20.25	a	41.75
1975	12.52	a	9.80		19.68		33.02		56.03		63.78		73.89		68.13		55.73		48.37		31.03		15.42		40.62
1976	8.94		22.60		27.06		47.65		54.27		68.35		73.26		72.55		59.67		41.26		22.57		10.18		42.36
1977	-1.39		19.61		31.37		49.83		63.45		65.58		71.26		62.40		57.72		45.98		25.22		8.69		41.64
1978	-1.90		5.25		23.94		40.83		56.79		63.80		68.10	a	68.85		63.95		46.87		24.77		9.97		39.27
1979	-2.65		2.52		22.07	a	35.41	a	49.87		63.58		68.39		65.13		61.33		44.16		27.82		25.90		38.63
1980	12.60	a	13.00		23.00		47.42		59.47		65.12		68.95		66.53		58.15		43.50		-----	z	15.45	a	43.02	a
1981	16.76		20.95		35.02		49.38		55.22	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	35.46	g
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	70.79	b	68.14	b	56.00	a	46.37	e	24.19	n	21.34	b	52.53	g
1983	18.63	d	22.91	a	26.60	b	36.61	b	50.91	c	62.78		72.83	a	74.63		58.30	b	44.28	a	27.12		-4.85	a	40.90
1984	9.60	b	23.17	b	22.91	i	43.17	a	53.47	a	64.72	a	69.29	c	70.40		53.70		46.30	a	29.85	d	12.66	c	43.30	a
1985	5.74	b	11.63	b	32.15	h	50.12	b	61.21	c	61.22		69.65	a	62.08	a	54.58		44.00	a	15.02	d	1.79	c	39.73	a
1986	14.34		10.17	a	28.88	c	42.46	c	55.45	a	64.92		69.42	a	64.27	c	55.84	a	46.95		25.88	a	24.03		41.88
1987	20.81	d	29.68		31.27	a	50.52		60.21		68.07		72.65		65.43	a	59.57		41.41	b	33.55		21.80	a	46.25
1988	6.73	a	10.67		29.42		44.73		62.37	a	73.36	a	75.26	b	70.13	a	58.77		42.34		28.00		17.44		43.27
1989	15.13	d	3.24	a	22.48		41.33		55.71	b	62.16	b	73.02		68.82		58.85		45.93	a	25.10		6.22	a	39.83
1990	23.81		19.14		33.16		43.57	a	53.05	a	64.31	a	67.75	a	68.21	c	63.24	c	44.53	a	33.20		10.95	a	43.74
1991	8.98		25.06	b	30.48	a	46.43		58.90	b	68.20		68.23	a	68.84		57.25		43.98	a	22.88	b	21.61		43.40
1992	19.69		26.38	c	33.08		40.30	b	57.23		60.93		61.13	a	62.85		56.98		44.13	a	24.40	a	11.52	a	41.55
1993	8.12	a	9.79	b	23.50		38.86	a	53.56		60.15		65.04	c	66.73		53.33	a	44.37		24.86	b	17.14	b	38.79
1994	-3.10	a	6.29	d	28.95		42.64	a	58.21		65.13		65.92	a	64.89		60.88	a	48.05		32.95	a	20.57	a	40.95
1995	12.26	b	14.46	d	28.46	c	36.08		51.55	a	65.52		68.82	a	71.39		57.63		42.66		23.67		15.41	c	40.66
1996	2.08	a	13.17		19.30	a	38.07		50.68		64.95		65.87	a	68.05	a	57.12		46.73		18.52	a	5.97	a	37.54
1997	3.77	a	14.39	a	22.25	a	35.68		51.72	b	66.65		68.34		65.50	a	61.00	b	48.93	a	23.71	a	21.57	a	40.29
1998	13.38	c	27.27		23.52	a	45.05	a	59.47	a	61.18		70.43	c	69.41	c	64.97	a	47.58	a	31.23		21.69		44.60
1999	8.23		26.44	a	31.95	a	44.90		55.90		64.57	a	72.23	e	67.93	a	56.09	b	45.43	b	39.17		23.21	b	44.67
2000	12.91	b	24.76	b	36.83	a	42.37		56.68	a	61.89	c	69.28	b	69.92		60.73	b	49.29		23.79	d	2.57	d	42.59
2001	15.87	d	5.15	a	21.62	b	42.75		56.63	a	64.72		71.77		71.20	a	59.78		45.53	a	41.12	a	20.89		43.09
2002	19.30	d	27.31	b	18.06		41.62		51.03	a	67.38		73.08		67.82	a	62.18		37.91	c	30.43	b	20.55	a	43.06
2003	9.92	a	10.70		27.00	b	45.73		52.81		62.65		69.61		71.21	c	58.87		49.77	a	25.53		21.69		42.12
2004	9.43	b	16.73	a	34.05	a	45.12		52.97		60.10		66.37	a	62.79		63.12		47.05		34.15		21.02	b	42.74
2005	10.29		22.61		30.08		46.85		52.65		67.02	b	71.37		66.90		63.77		47.06		32.30		15.65		43.88
2006	23.60		13.32		28.23	a	48.62		55.98		65.03		73.92		69.65		54.97		42.27		31.47		24.52		44.30
2007	13.69		7.62		32.40		39.17		59.26		66.75		71.15		67.89		61.38		49.35		30.67		13.21		42.71
2008	9.85		12.43		26.03		38.85		53.37		61.25		69.39		69.18		60.82		45.92	a	31.45		8.81		40.61
2009	5.76		15.88		26.84		42.73		55.15		62.82		65.42		65.47		62.88		39.42		39.23		10.65		41.02
2010	9.35		12.54		34.50		50.87		55.52		65.67		70.84		72.58		57.40		49.66		31.03		10.79		43.40
2011	5.47		10.86		21.79		40.28		54.18		65.10		75.02		69.58		59.25		50.73		32.67		24.77		42.47
2012	20.26		23.26		44.00		48.35		59.27		67.95		77.00		69.31		60.53		44.97		32.70		16.95		47.05
2013	11.73		14.54		19.53		31.80		54.79		64.37		69.92		69.58		65.75		44.05		29.28		7.15		40.21
2014	6.53		6.00		25.90		41.37		56.21		65.73		68.15		68.27		60.60		49.06		20.88		20.08		40.73
2015	16.94		10.39		34.63		46.63		53.15		65.87		70.23		67.16		65.37		49.61		36.83		21.42		44.85
2016	14.10		21.34		37.55		44.28		57.60		68.75		70.02		68.92		60.27		48.42		38.83		12.24		45.19
2017	12.77		25.21		29.26		44.18		54.50		64.98		71.87		64.52		61.60		46.40		29.32		15.85		43.37
2018	13.13		8.18		24.32		32.37		62.50		69.30		69.63		68.26		60.35		40.94		22.92		21.11		41.08
2019	7.32		2.80		21.77		41.93		51.45		66.23		70.73		65.82		62.12		40.37		27.60		16.66		39.57
2020	12.71		16.07		32.28	a	41.05		53.37		69.90		72.32		70.61		59.13		39.69		36.73		22.95		43.90
2021	20.48		7.20		38.29		42.63		55.98		71.70		72.85		70.00		64.07		51.06		34.28		18.33	a	45.57
2022	8.76		10.84		28.19		36.25		55.39		68.92		71.05		69.42		63.53		48.24		28.33		11.44		41.70
2023	13.26		14.93		18.35		35.62		60.87		70.58		69.00		70.76		64.80		47.02		34.88		30.13		44.18
2024	14.10		29.62		30.77		45.37		51.67	v	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	29.96	h
Period of Record Statistics
MEAN	10.17		14.84		27.60		42.30		55.35		65.05		70.00		68.25		59.24		46.06		29.21		15.75		42.01
S.D.	6.49		6.97		6.20		4.39		3.18		3.00		2.93		2.66		3.33		3.50		5.07		6.69		1.95
SKEW	-0.03		0.39		-0.00		-0.26		0.50		0.15		-0.26		-0.27		-0.40		-0.06		-0.10		-0.44		0.27
MAX	23.81		29.68		44.00		50.87		63.45		73.36		77.00		74.63		65.75		55.60		41.12		30.13		47.05
MIN	-3.10		2.52		13.31		31.80		49.71		58.08		61.13		62.08		47.93		37.91		15.02		-4.85		37.54
YRS	66		67		65		67		66		65		66		66		66		66		65		67		60