ALTON, UT

Average of Average Temperature (Degrees Fahrenheit)

(420086)

File last updated on May 13, 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
1915	-----	z	-----	z	-----	z	-----	z	47.22	b	53.81	f	61.48		61.78	a	53.80		48.65		34.59	b	28.05	c	47.94	e
1916	22.65	e	33.22		37.23	a	44.02	a	48.52		59.57		62.79		58.21		54.03		42.05		33.84	a	23.85		43.33
1917	20.45		27.25		27.53		38.70		43.81		56.18		66.60		62.23		55.02		49.77	a	39.37	c	35.21		43.51
1918	27.03	a	31.37	a	37.95	a	41.37		47.16		64.27		60.50	a	58.17	d	57.42		48.48		32.05		26.63	a	44.37
1919	27.74		25.45		31.74		45.08		56.04	q	60.62	a	64.81		64.91	c	57.12	a	39.25	a	37.37	d	28.93	a	43.91	a
1920	30.53	a	31.73	a	31.03		36.04	c	49.42		56.30		62.87		61.87	a	53.93		43.56		35.71	b	25.85	a	43.24
1921	27.73	a	31.12		38.43	a	40.11	b	47.48	a	58.90		64.15		61.45		55.12		50.76		39.69	c	34.33	a	45.77
1922	19.67	b	27.19	a	30.77	a	37.16	a	50.39		62.34	b	65.96	d	63.52	a	59.61	b	46.10		34.58	d	31.57	h	45.21	a
1923	31.58		26.74	a	32.31		41.45		51.97	a	56.95	b	65.58	m	61.45		55.10	a	43.68	a	38.10		29.44		42.61	a
1924	24.95	c	36.50		29.06		41.35		55.52	a	62.13		63.97		63.44		58.48	a	45.52		39.02		25.22	a	45.43
1925	24.24	b	33.23		36.42	a	42.71	a	54.13	a	53.50	b	64.69		60.11		52.71	a	41.05		35.89	c	34.98		44.47
1926	29.98	a	32.11	n	42.17	b	46.14	a	52.43	a	63.12	a	65.62	b	64.10		56.36	a	50.50	d	38.37	d	26.29		48.64	a
1927	30.68	a	30.54	a	32.10	b	42.72		51.17	a	59.48	c	66.67	a	61.04	c	54.20		48.68	a	38.36	a	23.63	a	44.94
1928	30.97	a	30.34		37.89		41.18		53.12	a	57.90		64.92		64.77	c	58.64	e	48.83	b	34.35	d	26.39		45.77
1929	25.24		22.70		32.98		38.72	a	51.00	a	58.43		66.15		63.43	a	54.57		48.00		37.98		34.48		44.47
1930	21.73		34.15	a	35.00		47.87		41.36	b	58.72		63.63	a	61.29		54.53		45.56		34.97		27.42		43.85
1931	28.58	a	31.27		35.84		43.91	b	51.77	a	59.50	a	67.89		65.60	a	56.83		48.03	a	30.50	a	23.29		45.25
1932	17.12	a	27.02	b	31.35		41.57		49.27	a	58.78		64.58		63.92		58.20		45.69		40.30		20.65		43.20
1933	20.85	a	18.32	c	34.62	a	38.18	e	44.26		59.53		66.58		62.89	c	58.97		51.10		39.98	a	33.70	a	44.08
1934	29.92		36.04		45.55	a	47.22		55.82		56.14	a	66.58		65.58		58.12		51.37		38.02		30.08		48.37
1935	29.00	a	32.98	d	30.34		43.83		47.60		61.25		64.00		64.32		57.92		46.27	a	34.77		29.69		45.16
1936	28.05		27.31		34.73		45.43	c	53.83	a	61.72	a	65.41	c	63.45	a	55.97	a	46.69		37.78		29.23	a	45.80
1937	10.79	b	24.91		32.39		39.47		54.79		58.58		64.54	c	65.40		59.08		48.15		38.93		30.17	e	43.93
1938	29.47		26.27		29.95	c	43.92		48.89		58.55		62.43	a	63.16		57.88		45.79		31.05		30.55		43.99
1939	26.53		18.11	a	34.16		46.05		51.00		57.93	a	65.16		65.32	c	55.38	b	45.76		41.27		36.40	a	45.26
1940	27.74		28.14		38.34		44.21	b	53.90		63.42		65.13		65.31		55.68		47.58	a	33.31	a	29.82		46.05
1941	27.12	a	32.95		34.34		36.95		51.63	a	55.05	b	64.98		61.53	a	53.02		42.95	b	38.80		28.73		44.00
1942	26.94		22.57	a	30.95		42.63		47.97		57.53		66.94		63.83	b	57.33		47.95	a	38.78		33.50		44.74
1943	28.72	b	30.50		35.13		45.67		51.07	a	54.20		64.40		62.73		59.05		46.82		38.34	a	27.90	j	46.97	a
1944	24.26		25.40		29.63		38.67		49.55	a	54.78		63.77		64.57	a	59.20		49.21		32.82		30.31		43.51
1945	28.74		30.45		28.37	a	38.07		50.16		55.30		64.87		63.06		57.03		47.90		34.17		25.55		43.64
1946	23.58		26.89		34.85		46.84	a	49.18		60.35		65.05		63.61		58.87		42.23		32.50		32.16		44.68
1947	24.97		36.21		37.35		43.08		54.56		56.08		65.85		63.48		61.52		48.45		31.00		25.61		45.68
1948	29.85		25.62		26.92		42.22		51.21		57.78		65.25	a	63.87	a	59.55		47.21		32.47		25.21		43.93
1949	16.76		20.36		30.65		45.59	a	49.23		57.20		64.35		63.13		59.16	a	44.00		43.47		24.56		43.20
1950	20.02		30.33	a	34.58		44.47		49.82		58.70		65.15		64.00		56.45		53.47		42.43		38.40		46.48
1951	27.85		31.14		34.06		43.58		50.48		58.03		68.00		62.90	a	58.83		46.00		34.25		25.23		45.03
1952	23.94		26.40		26.84		42.77		52.05		57.05		65.02		66.23		60.13		54.74		33.63		28.76		44.80
1953	34.71		32.04		36.55		42.03		43.87		59.57		67.94		62.92		60.33		47.10		39.23		29.34		46.30
1954	30.44		37.00		31.94		48.30		53.82	a	58.28		68.31		63.37		58.47		51.10		42.43		29.37	a	47.73
1955	24.82	a	24.46	a	33.60	b	40.33		-----	z	58.13		65.42		66.95		59.80		52.35		36.85		32.71		45.04	a
1956	32.82	a	25.69		37.97		43.03		52.33	a	62.83		65.98		63.39		62.10		47.16		36.48	a	31.45		46.77
1957	25.71	b	35.77		36.02		40.38		46.45		61.10	a	65.81		65.02		59.15		46.13		32.28		33.29		45.59
1958	30.85		34.21		30.77		40.03		55.27		60.88		65.29		69.16		58.52		50.37		37.60	a	37.81		47.57
1959	30.39		28.39		36.45	a	46.10	a	49.37		62.29	a	69.63		64.08		55.03		48.48		38.87		32.03		46.76
1960	22.97	a	25.03		38.11		44.78		51.82		63.30		68.66		67.03		61.33		46.39		37.32		30.15		46.41
1961	31.10		33.14		34.32		42.82		50.52		63.98		69.68		65.45		53.07		45.89		33.35		25.87		45.77
1962	26.92		29.46		27.76		47.57		48.39		58.38		64.24		65.61		60.18		49.40		40.98		32.81		45.98
1963	24.79		37.00	a	33.60		38.17		53.10		56.53		67.08		64.83	a	58.37		50.90		37.57		30.55		46.04
1964	24.02	a	25.91		29.26		39.85		48.31		57.37		68.16		64.98		56.23		53.06		32.32		27.87	a	43.94
1965	30.76		31.09		31.98		39.97		46.74		54.00		64.26		63.58		52.08		52.21		38.88		29.60		44.60
1966	25.29		23.32		38.10	a	45.30		53.60		59.77		66.48		66.00		58.67		47.50		39.45		29.39		46.07
1967	29.42		31.25		37.44		35.88		49.27		54.85		67.32		66.15		57.18		50.21		39.97		23.10		45.17
1968	26.98		35.22		36.74		40.16	a	49.81		59.95		64.92	a	59.95		55.67		48.24		36.53		25.52		44.97
1969	29.57	a	26.18		28.24		42.70		54.00		57.28		65.82	a	67.00		59.24	a	42.73		36.80		32.13		45.14
1970	29.16		35.96		33.71		37.80		52.08		60.52		66.97		66.76		54.17		44.97		37.86	a	25.79		45.48
1971	27.87		29.50		35.52		42.72		46.71		59.27		67.74		66.16		55.65		43.18		33.90		23.15		44.28
1972	28.15		34.74		43.27		44.20		52.47		60.90	a	68.76		64.61		55.60		44.61		31.15		23.61		46.01
1973	21.92		28.48		29.92		37.78	a	52.63		59.18		65.79		64.29		56.57		48.10		34.92		30.68		44.19
1974	23.50		27.84		39.53		41.30		54.07	a	63.76	i	66.31		65.16		58.52		49.20	a	36.88		26.68		44.45	a
1975	28.21		27.05		31.24		35.10		47.45		57.25		65.40		62.52		58.17		46.13		35.07		32.13		43.81
1976	30.76		33.33		31.95		40.55		53.79		58.45		66.94		62.24		56.88	a	47.33	a	39.80		32.29		46.19
1977	27.35		35.46		31.98		46.17		46.60		62.88		66.40		65.35		57.93		50.52		38.75		33.89		46.94
1978	28.44		29.70		38.29		42.35		50.32		60.58		67.10		64.27		57.10		53.31		34.93		23.77		45.85
1979	20.84		26.21		33.11		41.72		52.60		59.90		66.28	a	62.84		61.95		50.89		33.08		33.05		45.21
1980	30.19		32.47		30.63		42.42		48.16		59.05		66.32		62.94		58.05		48.34		39.18		38.16		46.33
1981	34.26	b	33.79		35.42		47.25		50.88	a	63.45		68.16		64.56		58.48		44.82		39.62		33.94		47.89
1982	25.87		30.14		34.89	c	41.86	a	51.30	a	57.93		64.24		64.72	b	56.41	a	44.17	a	33.65		26.70	c	44.32
1983	29.45	a	30.72	a	33.40	a	36.00	c	50.37	a	58.83		64.68	a	64.24		59.97		49.17	a	36.87	c	29.50	b	45.27
1984	28.23		31.07	b	-----	z	41.36	b	56.48	c	59.24	c	66.56		65.23		59.33	c	41.36	f	35.57	c	25.98	a	46.91	b
1985	25.53	a	25.70	a	33.80	a	47.90	a	52.41	c	62.52	b	67.76		65.28	a	53.37		47.96	c	33.10	a	30.09	b	45.45
1986	35.87	a	34.06	a	41.85		44.50	b	53.32	c	62.63	c	63.27	c	66.88	g	52.38	e	45.90	g	38.87	d	30.82	a	45.76	b
1987	27.18	a	31.13	a	33.48	b	48.00	a	50.80	a	61.93		63.71	b	62.88	a	58.06	e	51.59	b	35.86	e	25.65	e	45.86
1988	25.92	a	33.74	d	37.18	f	44.64	e	49.69	e	62.25	b	67.47		63.96	e	56.45	a	54.02	a	36.94	c	27.44		47.50	a
1989	22.88	b	26.63	a	40.72	b	49.43	b	51.41	d	59.95	b	68.72	a	61.86	c	56.84	a	45.94		38.38	a	32.17	d	46.24
1990	26.83	d	26.98	a	37.26	d	44.67	c	49.04	c	61.04	b	66.06	f	62.02		59.77	d	49.69	b	37.33	a	20.65		43.21	a
1991	25.72	b	36.82		30.12	a	40.64	a	48.43	b	57.30	b	67.34		65.70	a	59.21	b	51.14	b	36.77	b	29.52		45.73
1992	28.02	a	32.74		37.58		49.60		53.58	a	58.07	b	64.31	b	64.43	b	55.72		48.32	a	30.07	b	21.12	b	45.30
1993	23.32	a	24.78	a	32.57	a	41.64	a	49.45	c	55.00	c	60.12	b	65.29	x	55.25	v	47.25	a	33.42	d	29.52	a	39.71	b
1994	32.32	c	25.22	a	40.59	c	44.48	a	52.45	b	64.00		68.66	b	68.74		59.74	a	45.57	b	29.32	b	-----	z	48.28	a
1995	26.56		37.00		36.68	a	41.54	b	47.41	b	56.48	c	64.35	a	67.07	b	60.23	b	50.07	b	43.29	b	31.83	a	46.88
1996	29.98	a	34.41	a	38.29		46.07	c	54.13	a	63.28	a	69.81	b	67.76		57.26	a	46.19	b	38.20	b	30.41	b	47.98
1997	27.69		28.98	c	39.98	a	41.57		55.45	a	59.95	b	65.33	b	65.27	a	59.34	b	47.07	b	38.33	c	28.32	c	46.44
1998	29.90	a	27.37	b	35.02	a	39.23	b	48.03	b	55.16	a	67.13		66.70	a	57.87		45.00	b	35.71	a	30.24		44.78
1999	33.97	a	34.42	b	40.37		38.20	b	49.71	e	59.18	b	65.57	d	63.35	a	57.95	a	51.69		42.45		31.13	a	47.33
2000	32.39	c	33.40		36.40	a	49.34	a	56.52	b	63.12	f	69.47	k	67.72	a	59.87		46.60	b	30.05	b	33.19		44.55	b
2001	26.55	b	30.81	a	38.28	b	44.12	b	56.67	a	62.52	a	66.23	a	66.15	a	61.73		52.05	a	38.70	b	24.90	b	47.39
2002	28.12	a	32.09	a	35.23	c	48.55	a	53.34		64.90	a	71.27		67.05	b	58.73	b	46.02	b	37.78		27.02	b	47.51
2003	36.90		31.09	a	37.15	a	41.21	a	54.22	a	62.11	b	71.68		67.64	b	61.21	a	54.81	b	33.77	b	29.47		48.44
2004	26.37	a	24.62	d	41.55	c	45.18		52.75	c	61.64	a	67.16		64.95	a	57.48	a	45.10	b	34.94	c	31.15	a	46.08
2005	31.02	b	31.66		34.87	a	44.04	b	53.33	a	57.71	b	69.66		63.68	a	57.36	a	49.78	d	39.63		30.63		46.95
2006	29.31		33.75		32.48	b	45.00	b	55.50	a	64.88	a	69.10	a	65.50	y	55.40		46.53	a	37.83	a	29.67	a	45.40	a
2007	26.84	b	33.65	b	41.60	a	46.07		54.28	a	63.60		72.08		68.00		59.02	a	48.43	a	42.19	a	23.73	a	48.29
2008	21.60	b	28.12		36.09	c	42.65	c	49.39	c	60.78		68.87	a	68.13	a	59.77		50.09	b	-----	z	27.79	b	46.66	a
2009	30.74	b	28.44	c	37.61	d	42.60	e	56.62	a	57.61	c	68.93	b	66.12	a	61.21	a	45.71	c	39.95	b	23.15	a	46.56
2010	-----	z	27.59		34.45		41.93		48.13		61.80		69.40	a	66.05	a	61.77		48.90	a	33.55		33.87		47.95	a
2011	28.18		27.05		36.27		43.68		48.10		59.10		66.90	a	68.60		59.58		49.21		35.53		28.55		45.90
2012	32.97		29.26		38.82		46.47		55.65		64.67		67.84		67.44		60.02		50.24		40.57		27.35		48.44
2013	25.02		29.29		40.55		45.58		52.57	b	65.20		68.93	b	66.11		58.48		45.26		38.87		28.77		47.05
2014	35.45		34.52		39.26		44.38		52.18		62.80		70.06		62.63		60.47		51.35	a	40.63		31.48		48.77
2015	36.77		40.04		43.26		44.88		49.82		65.07		65.98		67.23		62.02		52.35		51.21	p	29.03		50.59	a
2016	28.81		36.97		41.44		45.92		50.82		67.75		70.00		64.31		57.20		51.63		41.62		31.55		49.00
2017	26.73		35.09		44.58		44.90		51.10	a	65.45		69.13		66.58		58.05		49.45		43.47	a	36.25	a	49.23
2018	35.26		31.79		37.37		47.35		53.96	e	65.95		71.47		67.42		62.27	b	46.31	b	37.14	a	29.32		48.80
2019	28.50		22.75		36.39		47.60		46.10		59.33		67.03	b	67.98		60.68		44.94		39.43		28.50		45.77
2020	29.08		32.29		38.08		45.97	a	55.23		62.43		68.89		71.15		63.41	c	53.77		38.92		29.97		49.10
2021	29.63		32.26	a	36.24		46.68		54.32		68.03		72.15		67.45		62.22		46.13	a	44.08		29.95	b	49.10
2022	28.45		29.86		38.08		45.57		52.66		64.87		70.76		66.52		61.82		48.66		31.78		27.56		47.22
2023	24.05		26.54		27.87		41.67		52.35		57.24	a	71.53		65.95		57.48		49.47		38.73		34.31		45.60
2024	29.66		31.24		37.11		45.68		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	35.92	h
Period of Record Statistics
MEAN	27.52		30.06		35.18		43.06		51.09		59.96		66.53		64.63		57.93		48.00		36.90		29.25		45.82
S.D.	4.24		4.29		4.09		3.30		3.08		3.13		2.42		2.26		2.48		3.06		3.34		3.81		1.56
SKEW	-0.62		-0.30		0.09		-0.26		-0.42		0.25		0.15		-0.15		-0.25		-0.06		-0.15		0.02		0.39
MAX	36.90		40.04		45.55		49.60		56.67		68.03		72.15		71.15		63.41		54.81		44.08		38.40		49.23
MIN	10.79		18.11		26.84		35.10		41.36		53.50		60.12		58.17		52.08		39.25		29.32		20.65		43.20
YRS	108		108		107		109		107		106		106		106		108		107		107		106		90