SILVERTON, CO

Average of Minimum Temperature (Degrees Fahrenheit)

(057656)

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
1899	-----	z	-----	z	12.74		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	12.74	k
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.39		40.16		31.37		22.87		10.43		3.58		24.13	f
1905	4.45		8.32		17.77		19.83		26.06		32.50		36.16		37.74		32.20		21.74		12.80		-7.93	a	20.14
1906	1.13		3.43		13.23		20.37		28.32		32.43		37.03		35.97		30.17		-----	z	12.07	b	2.45		19.69	a
1907	1.74		6.04		12.65		18.77	d	20.35		27.90		37.04	c	36.23		28.67		21.90	a	8.74	c	1.21	b	18.44
1908	-1.42		3.45		11.90		23.00		25.11	d	28.07		37.42		35.29		27.30		17.19		6.70		-6.29		17.31
1909	0.16		-1.07		3.13		13.97		24.33	a	31.70		41.27	a	43.42		32.97		23.97		11.57		-4.29		18.43
1910	2.22	d	-1.29		13.58		21.10		28.87		32.33		40.45	k	38.06		30.47		21.68		14.93		5.94		18.90	a
1911	7.19		5.64		13.74		20.13		26.52		32.55	a	38.77		38.10		30.37		22.39		5.27		-5.90		19.56
1912	-4.97		1.03		12.90		10.10		18.00	d	30.57		37.68		34.68		22.97		21.29		7.66	a	-3.87		15.67
1913	-4.06		1.89		4.10	a	18.00		23.81		30.87		36.10		37.58		29.73		20.29		15.00		-3.81		17.46
1914	0.74		-5.60	h	11.46	c	27.04	d	30.20	a	38.73		46.07	d	-----	z	34.70		23.45		13.90	a	-0.55		22.58	b
1915	-2.42		1.43		9.23		28.97		24.81		30.13		38.19		34.61		27.47		18.16		8.97		3.27	a	18.57
1916	6.03		2.45		12.35		20.27		24.13		26.63		34.90		35.06		25.03		22.74		8.41	a	-1.55		18.04
1917	-2.58		3.11		0.97		12.25	n	25.35		29.30		38.06		35.19		31.70		20.23		13.90		7.23		18.41	a
1918	0.65		3.68		8.80	a	13.27		24.81		34.87		37.55		35.97		30.93		24.42		5.80		1.48		18.52
1919	-5.13		-3.14		5.39		21.23		28.74		30.07		42.23		37.61		33.77		17.45		6.87		-2.74		17.69
1920	-1.55		3.34		3.45		12.10		26.45	i	32.47		36.03		34.06		29.97		19.61		7.77		-2.65		15.87	a
1921	2.87		-0.11		10.61		12.30		26.03		32.30		39.77		39.10		29.03		23.06		11.47		5.23		19.31
1922	-8.29		3.07		10.29		16.97		24.77		33.10		38.58		36.23		29.57		25.53	a	7.03		2.29		18.26
1923	1.13		-4.68		4.00		17.83		27.16		30.10	i	42.87		39.10		27.87		19.48		9.30		3.03	a	17.01	a
1924	-7.42		4.93		5.29		16.43	b	25.90		31.03		34.94		31.37	a	27.10		17.00		6.13		-0.84		15.99
1925	-8.42		2.50		11.87		21.40		27.03		33.79	a	36.97		34.65		32.93		18.23		3.90		2.19		18.09
1926	-2.58		5.71		16.97		26.14	a	22.93	a	-----	z	-----	z	-----	z	30.10		23.23		9.50		0.06		14.67	c
1927	5.39		8.07		12.10		20.13		28.87		34.83		39.90		36.39		30.63		19.00		9.90		-4.84		20.03
1928	1.26		1.90		13.19		14.53		29.06		36.17		38.71		32.26		18.40		25.00		7.10		-5.10	a	17.71
1929	-0.87		-3.00		6.29		12.27		26.81		31.37		35.48		37.42		29.33		21.74		7.17		1.77		17.15
1930	-3.26		8.75		8.71		20.53		20.29		32.93		37.84		36.94		27.73		20.97		7.03		-8.25	c	17.52
1931	-5.38	e	1.68		6.03		18.73		21.19		33.63		35.84		34.84		32.20		25.13		7.43		-4.81		17.21
1932	-6.35		9.55		6.13		19.40		25.84		29.17		39.06		37.87		26.87		20.48		12.27		-0.58		18.31
1933	-1.68		-5.14		12.10		12.60		22.06		34.13		38.81		36.58		32.70		24.03		14.03		6.39		18.88
1934	1.35		10.54		15.90		21.43		28.29		28.77		37.32		39.03		27.00		22.39		11.70		1.39		20.43
1935	1.97		3.00		8.32		20.07		28.06		29.60		38.03		38.77		30.30		20.81		8.53		-0.32		18.93
1936	-0.74		6.52		9.29		17.30		25.06		32.83		38.03		39.77		32.10		21.29		7.87		2.74		19.34
1937	-8.13		-2.39		7.23		17.80		26.84		32.57		38.32		37.19		30.93		24.35		11.87		4.94		18.46
1938	0.16		4.39		10.71		18.17		25.68		32.40		34.74		35.81		32.17		22.94		6.10		3.90		18.93
1939	-0.32		-7.48	a	7.55		21.10		24.90		29.23		34.90		34.74		34.77		16.97		11.33		6.52		17.85
1940	0.19		4.14		10.29		22.07		27.77		32.87		37.55		36.71		35.63		24.48		10.03		5.97		20.64
1941	-1.61		5.43		10.94		17.37		30.32		32.40		36.29		36.39		29.43		23.94		10.07		4.45		19.62
1942	-1.00	a	-2.57		2.94		23.13		23.00		29.62	a	35.65		36.26		30.90		23.13		15.53		5.06		18.47
1943	4.03		5.21		9.60	a	25.40		31.94		36.86	a	38.00		44.81		31.40		22.47	a	8.00		2.19		21.66
1944	1.00		1.97		5.39		15.23		26.10		31.07		35.39		36.81		30.33		26.35		10.63		1.65		18.49
1945	1.77		8.46		9.06		15.83		28.87	a	31.47		38.06		41.35		31.63		23.42		7.47		-1.35		19.67
1946	-6.26		0.29		9.10		22.77		25.16		30.33		38.42		36.15	r	30.23		22.55		8.57		5.10		16.93	a
1947	-2.42		4.21		8.06		18.27		27.90		30.77		38.10		40.81		33.33		25.42		10.40		-0.03		19.57
1948	2.87		7.03		2.90		19.73		27.94		32.10		35.60	a	36.48		31.03		22.39		5.83		3.84		18.98
1949	-0.74		-3.11		10.81		19.53		28.03		33.33		37.93	b	34.58		33.23	q	16.59	n	15.90		2.77		17.90	b
1950	0.84		5.50		11.42		22.10		23.81		29.63		37.58		31.97		30.47		25.97		13.73		6.65		19.97
1951	1.19		4.71		7.87		18.90		27.29		27.97		38.16		37.87	a	27.76	a	23.29		7.13		2.35		18.71
1952	0.81		-3.41		2.90		18.50		28.07	a	33.23		37.19		39.52		30.70		20.77		8.30		1.06		18.14
1953	5.84		0.64		11.16		17.87		25.32		37.36	h	41.89	d	36.84		27.97		20.84		12.37		1.39		18.37	a
1954	4.23		5.57		8.44	d	24.35	d	28.55		31.87		41.68		35.77		33.87		26.74		15.73		0.19		21.42
1955	-3.48		-5.21		6.97		14.73		27.03		29.97		-----	z	40.16		29.73		21.65		9.90		6.43	a	16.17	a
1956	7.06		-2.93		6.19		18.43		28.19		32.67		-----	z	33.29		28.17		20.10		4.70		-0.61		15.93	a
1957	4.55		9.39		10.26		17.93		25.90		-----	z	-----	z	40.19		-----	z	25.29		-----	z	0.39		16.74	d
1958	-4.32		3.96		2.29		14.69	a	27.00	c	33.18	h	35.29		37.84		35.56	u	-----	z	-----	z	8.32		15.63	d
1959	2.55		0.82		7.48		19.97		28.68		34.90		37.39		39.81		30.33		21.55		10.67		4.00		19.84
1960	-4.68		-3.29	a	9.90		18.80		25.19		32.30		35.58		35.03		32.03		23.58		12.20		-0.26		18.03
1961	-2.84		3.75		11.74		15.90		27.00		31.30		35.23		39.06		30.03		20.77		2.53		-2.00		17.71
1962	-3.77		7.07		-1.65		24.03		26.84		31.07		35.26		34.45		31.87		23.74		14.50		4.94		19.03
1963	-1.58		2.21		3.35		21.00		28.71		31.57		38.84		39.13		34.47		25.94		13.03		0.81		19.79
1964	-2.45		-4.28		3.03		17.40		26.32		31.73		38.71		37.10		31.30		21.84		10.52	a	-1.47	a	17.48
1965	3.74		-4.46		4.87		22.10		27.68		31.43		39.03		36.00		31.23		22.93	a	17.37		3.47	a	19.62
1966	-9.77		-7.79		8.00		18.87		27.61		33.17		40.81		36.68		31.23		23.74		14.30		2.10		18.25
1967	-2.45	b	-1.82		13.48		19.37		26.48		32.27		40.87		37.39		33.00		22.68		13.37		1.39		19.67
1968	-2.90		2.07		8.61		16.33		27.45		32.10		38.77		37.71		28.10		28.29		11.33		-1.48		18.87
1969	3.77		-2.96		0.61		20.60		28.58		32.27		40.94		40.55		34.63		20.94		9.30		6.77		19.67
1970	-1.10		6.64		5.74		11.83		26.90		33.93		38.39		38.77		30.93		21.77	a	13.63		0.00		18.95
1971	2.68		2.86		7.26		20.10		26.68		32.13		38.42		40.26		28.47		21.71		6.73		1.84		19.09
1972	-2.48		3.59		16.13		22.00		25.55		35.27		36.97		37.19		32.67		31.06		6.87		-4.35		20.04
1973	-7.52		-0.04		7.84		12.93		27.10		33.13		37.32		37.45		29.90		22.16		17.57		1.35		18.27
1974	-2.71		-5.75		11.16		14.90		25.90		30.87		35.29		31.94		28.80		24.52		5.57		-5.42		16.26
1975	-1.61		-2.89		7.81		11.97		21.32		28.53		36.10		31.81		28.00		16.00		8.53		-3.00		15.21
1976	-6.29		2.24		2.81		17.43		25.84		27.37		36.58		32.74		29.13		16.19		8.10		0.40	p	17.47	a
1977	-5.00		3.18		7.26		20.28	a	26.45		33.13		37.35		36.97		-----	z	-----	z	-----	z	-----	z	19.95	d
1978	-----	z	-3.83	d	13.67	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-3.83	k
1979	-----	z	-2.74	a	5.03	a	15.50	f	28.50	g	-----	z	-----	z	-----	z	-----	z	-----	z	4.52	c	4.03		2.71	h
1980	6.14	b	3.50	c	4.54	g	11.63	k	28.00	g	32.27	d	36.93	d	38.29	n	28.18	s	21.00	n	12.93	p	10.04	c	17.77	g
1981	-----	z	1.32	i	10.58	g	20.00	j	29.78	m	34.90	i	-----	z	34.67	y	31.63		26.90		17.83		3.00		19.84	h
1982	1.45		2.52	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	1.99	j
1983	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	9.57		1.83	a	5.70	j
1984	-16.10		-8.45		1.19		12.03		25.74		30.53		39.06		38.48		30.73		15.68		5.43		-1.52		14.40
1985	-10.00		-9.93		7.94		17.50		26.77		29.33		37.06		31.84		26.97		19.90		7.97		-7.13		14.85
1986	-5.80	a	4.07		8.06		19.70		23.32		31.57		35.90		36.03		30.10	a	18.74		5.70		-5.48		16.83
1987	-7.81		-1.32		-2.50	a	14.00		25.97		27.93		32.19		33.87		23.67		17.70	a	5.80		-3.17	a	13.86
1988	-9.27	a	-5.21		1.35		15.87		22.74		32.00		33.90		38.29		24.90		18.71		6.47		-7.57	a	14.35
1989	-15.65		-2.68		8.61		19.30		24.13		26.97		34.32		32.39		25.48	a	16.45		5.79	a	-5.23		14.16
1990	-9.13		-3.18		9.71		20.60		21.71		28.37		37.00		33.84		30.83		17.58		5.40		-10.42		15.19
1991	-12.71		-5.21		3.16		12.73		27.23		33.77		38.74		39.16		32.60		22.70	a	9.90		-5.60	a	16.37
1992	-7.77	a	0.54	a	9.90		23.79	b	30.97		33.20		38.29		37.71		30.10	a	24.52		1.90		-5.23		18.16
1993	-0.48		1.70	e	7.68		15.43		28.19		32.97		36.65		38.65		28.97		21.94		4.97		-5.61		17.59
1994	-6.65		-6.14		9.87		19.00		28.68		35.17		37.39		40.74		32.60		22.58		4.50		-2.65		17.92
1995	-2.42		6.00		8.77		15.67		27.32		32.30		36.55		41.35		32.47		19.55		12.43		3.65		19.47
1996	-0.61		5.21		8.19		18.63		30.35		34.90		40.90		38.16		30.37		20.39		8.31	a	-2.87		19.33
1997	-1.40	a	-2.32		7.58		16.97		28.97		33.53		39.20	a	40.42		36.20		20.19		10.48	a	-3.77		18.84
1998	-2.35		-0.68		5.81		14.90		27.81		31.93		43.23		40.00		35.76	e	24.04	e	10.66	a	1.74	d	19.40
1999	4.40	a	2.95	f	17.84		19.97	a	27.27	a	32.04	b	43.10	a	41.32		31.73		20.77		11.93	a	-1.32		22.64	a
2000	2.60	a	3.62		6.93	a	18.96	b	29.13		34.86	a	39.35		41.74		32.72	a	24.26		-0.62	a	-0.10	a	19.46
2001	-6.48	b	3.48	c	12.77	a	19.97	a	28.38	e	32.59	a	41.26		40.26		30.97	a	22.62	b	13.04	b	-5.43	c	19.45
2002	0.46	c	-4.14	f	5.83	b	25.21	a	26.55		33.83		41.90		37.07	a	34.32	b	20.66	b	6.60	e	-2.72	b	20.88	a
2003	-1.87	a	-1.04	e	7.73	a	16.30		26.55	b	31.00	a	38.90		40.45	b	30.17		24.17	a	9.81	d	1.07	d	18.60
2004	-7.03	b	-1.56	b	12.86	b	24.48	c	27.00	b	32.70		37.84		36.06		31.05	h	24.96	c	12.36	h	2.00	g	20.81	c
2005	3.43	a	2.44	a	9.30	h	19.56	e	27.76	b	33.18	b	36.32		37.45	b	29.76	a	24.30	a	12.87		-----	z	22.71	b
2006	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	39.87		27.18	b	22.52		10.83	a	0.16		20.11	g
2007	-8.06		1.93		10.19		20.37		27.26		32.00		40.97		41.60	a	32.47		20.61		10.83		-4.29		18.82
2008	-12.03		-----	z	0.97		12.30		25.13		31.10		38.03		37.97		28.93		21.26		12.83		0.07	a	17.87	a
2009	-0.33	a	-2.86		9.71		15.20		30.81		33.73		37.94		34.00		31.57		19.84		8.73		-9.13		17.43
2010	-5.97		-4.96		1.77		16.80		25.52		33.13		40.52		39.13		30.33		24.55		2.53		7.61		17.58
2011	-9.40	a	-5.86		9.61		18.90		24.32		31.57		41.29		38.68		32.20		21.16		8.30		-4.29		17.21
2012	-2.87		-4.21	a	7.48		21.60		-----	z	-----	z	42.23		39.19		30.27		20.74		8.23		-0.97		16.17	b
2013	-8.10		-11.43		5.58		18.50		25.90		33.03		43.03		39.90		34.77		18.39		9.33		-6.35		16.88
2014	-2.71		3.04		4.97	a	17.10		26.25	c	30.53		40.84		37.55		33.37		25.58		8.93		0.29		18.81
2015	-0.20	a	4.96		11.87		19.83		28.58		35.40		39.77		37.45		32.90		27.19		5.20		-4.23		19.90
2016	-5.10		-0.86		9.26		19.93		27.74		35.27		38.74		38.48		32.63		23.65		11.57		-1.10		19.18
2017	0.65		7.61		10.42		19.77		26.32		33.57		42.06		36.42		32.07		21.39		17.13		4.52		20.99
2018	-3.26		0.39		9.03		21.87		27.61		33.37		-----	z	36.55		29.57		25.68		4.97		-4.03		16.52	a
2019	-8.45		-6.39		6.87		18.17		-----	z	32.83		-----	z	-----	z	32.10		14.90		9.47		-5.23		10.47	c
2020	-6.84		-5.03		13.13		19.80		27.39		33.93		39.43	a	36.42		29.17		21.10		9.10		-4.42		17.76
2021	-3.84		-3.04		7.35		19.60		26.32		35.77		41.35		36.48		31.87		22.00		15.17		2.77		19.32
2022	-8.19		-5.39		4.90		18.62	a	27.94		35.63		42.77		40.97		32.70		21.10		5.17		-----	z	19.66	a
2023	-3.65		-6.25		0.87		11.53		27.74		31.00		38.29		40.10		30.97		23.00		8.73		-0.52		16.82
Period of Record Statistics
MEAN	-2.28		0.69		8.14		18.53		26.50		32.08		38.27		37.38		30.53		22.01		9.46		-0.12		18.30
S.D.	4.77		4.71		4.07		3.61		2.33		2.19		2.41		2.63		2.74		2.84		3.63		4.27		1.60
SKEW	-0.37		-0.18		-0.12		0.01		-0.84		-0.11		0.48		-0.11		-1.03		-0.06		0.12		-0.06		-0.78
MAX	7.19		10.54		17.84		28.97		31.94		38.73		46.07		44.81		36.20		31.06		17.83		10.04		21.66
MIN	-16.10		-11.43		-2.50		10.10		18.00		26.63		32.19		31.37		18.40		14.90		-0.62		-10.42		13.86
YRS	114		112		113		111		109		107		107		110		110		111		113		113		87