ALTON, UT

Maximum of Maximum Temperature (Degrees Fahrenheit)

(420086)

File last updated on April 19, 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	75.00	b	79.00	f	81.00		83.00	a	76.00		76.00		65.00		55.00	a	-----	z
1916	46.00	a	59.00		65.00		75.00		78.00		85.00		84.00		77.00		74.00		64.00		67.00		50.00		85.00	a
1917	51.00		54.00		60.00		70.00		74.00		84.00		89.00		86.00		78.00		76.00		65.00	b	62.00		89.00	b
1918	63.00	a	57.00		62.00	a	70.00		77.00		94.00		82.00	a	93.00	d	82.00		76.00		66.00		57.00		94.00	g
1919	52.00		52.00		56.00		76.00		81.00	p	86.00	a	89.00		90.00	a	87.00	a	65.00		60.00	d	56.00		90.00	w
1920	64.00		53.00	a	60.00		68.00		79.00		87.00		87.00		85.00	a	80.00		74.00		60.00	b	51.00		87.00	d
1921	55.00		59.00		65.00	a	70.00		77.00		87.00		84.00		81.00		85.00		77.00		65.00	b	64.00		87.00	c
1922	52.00	a	49.00		57.00	a	65.00		78.00		85.00	b	90.00	c	83.00		79.00	b	73.00		58.00	d	56.00	h	90.00	u
1923	56.00		54.00	a	59.00		68.00		80.00	a	87.00	a	87.00	m	80.00		79.00		67.00	a	61.00		55.00		87.00	q
1924	49.00	b	61.00		52.00		66.00		80.00		86.00		85.00		86.00		89.00		70.00		67.00		53.00	a	89.00	c
1925	48.00		55.00		65.00		70.00	a	78.00	a	82.00	a	88.00		79.00		73.00		71.00		66.00	b	58.00		88.00	e
1926	55.00	a	60.00	a	66.00	a	71.00	a	77.00	a	87.00		86.00		82.00		78.00	a	77.00	c	70.00	a	57.00		87.00	j
1927	59.00		52.00		55.00	b	74.00		82.00	a	89.00	a	89.00	a	80.00	a	77.00		72.00		62.00	a	54.00	a	89.00	h
1928	55.00	a	50.00		64.00		74.00		80.00	a	80.00		87.00		84.00	a	80.00	e	75.00	b	58.00	c	52.00		87.00	m
1929	55.00		44.00		59.00		70.00	a	73.00	a	89.00		87.00		80.00		76.00		73.00		66.00		60.00		89.00	b
1930	45.00		58.00	a	56.00		76.00		67.00	b	86.00		84.00	a	80.00		80.00		69.00		67.00		50.00		86.00	d
1931	54.00	a	48.00		67.00		68.00	b	78.00	a	84.00	a	90.00		86.00		79.00		72.00	a	70.00		50.00		90.00	f
1932	40.00	a	50.00	a	57.00		69.00		76.00	a	84.00		86.00		83.00		81.00		71.00		65.00		54.00		86.00	c
1933	50.00		52.00		62.00		66.00	d	78.00		86.00		86.00		89.00	c	82.00		71.00		69.00	a	59.00		89.00	h
1934	55.00		63.00		69.00	a	74.00		82.00		86.00		89.00		88.00		84.00		78.00		70.00		55.00		89.00	a
1935	54.00		59.00	d	57.00		69.00		72.00		83.00		85.00		83.00		81.00		72.00	a	57.00		53.00		85.00	e
1936	51.00		57.00		56.00		76.00	c	79.00		90.00	a	85.00	c	84.00		79.00	a	77.00		64.00		49.00		90.00	h
1937	35.00	b	48.00		60.00		66.00		82.00		88.00		86.00	c	86.00		80.00		70.00		62.00		51.00	d	88.00	i
1938	48.00		41.00		50.00	a	72.00		80.00		81.00		85.00		87.00		78.00		68.00		52.00		61.00		87.00	a
1939	48.00		42.00	a	60.00		73.00		77.00		85.00	a	90.00		89.00	c	82.00	a	68.00		63.00		62.00		90.00	f
1940	52.00		50.00		67.00		72.00	b	76.00		90.00		89.00		90.00		84.00		70.00	a	61.00		62.00		90.00	c
1941	50.00		49.00		55.00		63.00		77.00	a	81.00	a	91.00		85.00		81.00		70.00	a	65.00		56.00		91.00	c
1942	52.00		46.00		57.00		67.00		81.00		84.00		90.00		88.00		84.00		77.00	a	66.00		59.00		90.00	a
1943	61.00		56.00		62.00		74.00		78.00		81.00		88.00		88.00		81.00		73.00		64.00	a	47.00	j	88.00	k
1944	51.00		53.00		53.00		60.00		73.00		84.00		86.00		87.00		84.00		72.00		60.00		57.00		87.00
1945	55.00		55.00		56.00		73.00		75.00		83.00		85.00		83.00		82.00		72.00		65.00		60.00		85.00
1946	50.00		56.00		60.00		75.00		75.00		85.00		86.00		85.00		80.00		69.00		57.00		55.00		86.00
1947	50.00		58.00		60.00		69.00		85.00		80.00		88.00		84.00		85.00		77.00		62.00		53.00		88.00
1948	53.00		54.00		53.00		70.00		78.00		82.00		88.00		88.00		88.00		70.00		58.00		50.00		88.00
1949	38.00		51.00		54.00		76.00	a	76.00		81.00		88.00		88.00		85.00		73.00		68.00		58.00		88.00	a
1950	51.00		57.00		67.00		72.00		81.00		92.00		90.00		91.00		90.00		81.00		72.00		65.00		92.00
1951	60.00		62.00		60.00		72.00		83.00		87.00		92.00		87.00	a	82.00		75.00		67.00		57.00		92.00	a
1952	55.00		53.00		55.00		67.00		75.00		80.00		86.00		87.00		84.00		80.00		66.00		58.00		87.00
1953	61.00		66.00		64.00		72.00		70.00		86.00		93.00		86.00		84.00		78.00		66.00		59.00		93.00
1954	60.00		63.00		63.00		75.00		80.00		94.00		90.00		94.00		85.00		75.00		73.00		56.00		94.00
1955	53.00		57.00	a	57.00		67.00		-----	z	89.00		91.00		91.00		91.00		77.00		69.00		54.00		-----	z
1956	58.00	a	50.00		71.00		72.00		80.00	a	93.00		93.00		88.00		91.00		78.00		70.00	a	58.00		93.00	c
1957	52.00	b	65.00		60.00		66.00		76.00		88.00		90.00		90.00		88.00		76.00		62.00		60.00		90.00	b
1958	56.00		60.00		56.00		72.00		81.00		85.00		90.00		93.00		85.00		77.00		66.00		65.00		93.00
1959	61.00		53.00		59.00	a	78.00	a	83.00		90.00	a	95.00		87.00		87.00		82.00		63.00		61.00		95.00	c
1960	50.00		49.00		68.00		76.00		82.00		88.00		95.00		94.00		85.00		75.00		69.00		54.00		95.00
1961	60.00		59.00		65.00		74.00		81.00		95.00		94.00		89.00		77.00		76.00		63.00		52.00		95.00
1962	57.00		58.00		60.00		78.00		78.00		91.00		92.00		94.00		87.00		71.00		72.00		67.00		94.00
1963	57.00		65.00		62.00		69.00		81.00		84.00		93.00		94.00	a	83.00		82.00		66.00		63.00		94.00	a
1964	60.00	a	55.00		63.00		71.00		80.00		89.00		91.00		92.00		82.00		83.00		70.00		49.00		92.00	a
1965	56.00		59.00		62.00		74.00		76.00		81.00		86.00		88.00		77.00		83.00		67.00		58.00		88.00
1966	55.00		46.00		76.00	a	75.00		82.00		88.00		93.00		90.00		83.00		70.00		67.00		54.00		93.00	a
1967	55.00		60.00		62.00		63.00		82.00		85.00		90.00		88.00		83.00		73.00		68.00		51.00		90.00
1968	54.00		59.00		68.00		71.00		81.00		90.00		90.00	a	81.00		84.00		73.00		63.00		53.00		90.00	a
1969	58.00		50.00		64.00		73.00		82.00		82.00		88.00	a	90.00		83.00	a	75.00		63.00		59.00		90.00	b
1970	59.00		60.00		65.00		70.00		82.00		94.00		91.00		91.00		83.00		73.00		65.00	a	50.00		94.00	a
1971	60.00		62.00		68.00		71.00		74.00		90.00		93.00		89.00		87.00		76.00		61.00		47.00		93.00
1972	50.00		64.00		71.00		71.00		85.00		89.00	a	96.00		92.00		80.00		75.00		52.00		50.00		96.00	a
1973	54.00		50.00		48.00		69.00	a	81.00		91.00		92.00		89.00		83.00		76.00		68.00		51.00		92.00	a
1974	51.00		58.00		68.00		69.00		84.00	a	95.00	i	92.00		88.00		84.00		76.00	a	64.00		49.00		95.00	k
1975	59.00		56.00		58.00		63.00		77.00		85.00		89.00		89.00		83.00		77.00		71.00		57.00		89.00
1976	58.00		62.00		61.00		69.00		81.00		92.00		95.00		86.00		85.00		73.00		70.00		60.00		95.00
1977	56.00		65.00		62.00		77.00		83.00		91.00		91.00		92.00		89.00		75.00		69.00		62.00		92.00
1978	51.00		54.00		63.00		68.00		78.00		88.00		92.00		90.00		86.00		80.00		66.00		48.00		92.00
1979	45.00		52.00		57.00		69.00		80.00		89.00		91.00		91.00		87.00		83.00		59.00		64.00		91.00
1980	49.00		55.00		51.00		75.00		77.00		88.00		92.00		89.00		82.00		82.00		71.00		65.00		92.00
1981	60.00	b	63.00		59.00		81.00		80.00	a	93.00		90.00		93.00		89.00		71.00		66.00		59.00		93.00	c
1982	56.00		56.00		58.00	c	75.00	a	79.00	a	87.00		95.00		87.00	a	84.00	a	69.00	a	62.00		50.00	c	95.00	k
1983	55.00	a	54.00		58.00	a	63.00	a	86.00	a	84.00		88.00	a	85.00		87.00		72.00	a	66.00	c	53.00	b	88.00	k
1984	54.00		56.00	b	-----	z	72.00	b	87.00		91.00	b	96.00		86.00		85.00	b	74.00	f	64.00	c	52.00	a	-----	z
1985	55.00	a	55.00	a	62.00	a	76.00	a	77.00	c	90.00	b	95.00		90.00	a	83.00		77.00	c	67.00	a	54.00	b	95.00	p
1986	61.00	a	68.00	a	70.00		75.00	b	88.00	c	88.00	c	89.00	c	89.00	f	86.00	e	71.00	g	60.00	d	55.00	a	-----	z
1987	53.00	a	55.00	a	58.00	b	75.00	a	74.00	a	85.00		86.00	b	84.00	a	83.00	e	80.00	b	58.00	e	61.00	d	86.00	y
1988	53.00	a	58.00	d	67.00	f	75.00	e	79.00	d	89.00	b	89.00		86.00	e	83.00	a	80.00	a	68.00	c	60.00		-----	z
1989	51.00	a	59.00	a	66.00	b	78.00	b	80.00	d	88.00	b	98.00	a	87.00	c	82.00	a	76.00		69.00	a	61.00	d	98.00	v
1990	64.00	d	53.00	a	67.00	d	73.00	c	74.00	c	90.00	a	88.00	d	88.00		87.00	d	73.00	b	67.00	a	56.00		-----	z
1991	47.00	b	59.00		50.00	a	68.00	a	75.00	b	82.00	b	93.00		89.00	a	85.00	b	80.00	b	64.00	b	52.00		93.00	o
1992	56.00	a	56.00		59.00		80.00		77.00	a	84.00	b	88.00	b	91.00	b	79.00		74.00	a	59.00	b	49.00	b	91.00	m
1993	49.00	a	43.00	a	58.00	a	70.00	a	74.00	c	83.00	c	84.00	b	88.00	x	81.00	u	79.00	a	59.00	c	55.00	a	-----	z
1994	61.00	c	55.00	a	65.00	c	76.00	a	80.00	b	92.00		90.00	b	94.00		83.00	a	69.00	b	64.00	b	-----	z	-----	z
1995	57.00		62.00		63.00		69.00	b	74.00	b	85.00	c	92.00	a	90.00	b	89.00	b	76.00	b	67.00	b	62.00	a	92.00	q
1996	60.00	a	64.00	a	67.00		77.00	c	87.00	a	89.00	a	99.00	a	92.00		88.00	a	83.00	b	67.00	b	50.00	b	99.00	o
1997	49.00		55.00	c	72.00	a	72.00		85.00	a	84.00	b	93.00	b	87.00	a	80.00	b	76.00	b	69.00	c	52.00	b	93.00	s
1998	52.00	a	44.00	b	68.00	a	70.00	b	72.00	b	88.00	a	94.00		90.00	a	81.00		73.00	b	60.00	a	58.00		94.00	m
1999	57.00	a	64.00	b	64.00		73.00	b	78.00	d	89.00	b	90.00	d	83.00		84.00	a	79.00		71.00		53.00	a	90.00	q
2000	58.00	c	57.00		65.00	a	79.00	a	87.00	b	90.00	f	95.00	k	93.00		88.00		78.00	b	55.00	b	56.00		-----	z
2001	59.00	b	58.00		66.00	b	74.00	b	84.00	a	91.00	a	92.00	a	91.00	a	85.00		80.00	a	64.00	b	48.00	b	92.00	o
2002	56.00	a	64.00	a	69.00	c	74.00	a	90.00		91.00	a	97.00		95.00	b	87.00	b	74.00	b	64.00		49.00	a	97.00	n
2003	62.00		55.00	a	65.00	a	67.00	a	89.00	a	91.00	b	96.00		93.00	b	88.00	a	82.00	b	58.00	b	56.00		96.00	m
2004	51.00	a	50.00	c	75.00	c	74.00		80.00	c	88.00	a	92.00		93.00	a	89.00	a	76.00	b	64.00	c	58.00	a	93.00	s
2005	60.00	b	48.00		67.00	a	71.00	b	83.00	a	88.00	b	95.00		86.00	a	84.00	a	75.00	d	63.00		60.00		95.00	n
2006	57.00		57.00		56.00	b	72.00	b	82.00	a	93.00	a	95.00		89.00		82.00		74.00	a	71.00	a	55.00	a	95.00	i
2007	52.00	b	57.00	b	75.00	a	78.00		81.00	a	93.00		97.00		91.00		90.00	a	73.00	a	71.00	a	56.00	a	97.00	j
2008	43.00	b	53.00		62.00	c	73.00	c	85.00	c	88.00		91.00	a	91.00	a	86.00		79.00	b	-----	z	63.00	b	-----	z
2009	55.00	b	57.00	c	66.00	d	76.00	e	85.00	a	90.00	c	95.00	b	93.00	a	87.00	a	76.00	c	71.00	b	50.00	a	-----	z
2010	-----	z	48.00		62.00		69.00		75.00		90.00		96.00		89.00	a	88.00		84.00	a	74.00		57.00		-----	z
2011	55.00		55.00		64.00		73.00		75.00		88.00		97.00		91.00		86.00		77.00		61.00		59.00		97.00
2012	57.00		52.00		69.00		81.00		83.00		91.00		91.00		89.00		90.00		80.00		70.00		57.00		91.00
2013	54.00		55.00		69.00		78.00		81.00	b	96.00		94.00	a	90.00		81.00		70.00		66.00		58.00		96.00	c
2014	55.00		62.00		63.00		72.00		85.00		92.00		90.00		85.00		82.00		72.00	a	67.00		55.00		92.00	a
2015	63.00		65.00		73.00		73.00		81.00		95.00		93.00		89.00		88.00		78.00		77.00	k	57.00		95.00	k
2016	50.00		63.00		65.00		70.00		77.00		95.00		95.00		88.00		83.00		72.00		71.00		53.00		95.00
2017	51.00		55.00		71.00		68.00		80.00	a	95.00		93.00		89.00		89.00		74.00		70.00	a	63.00	a	95.00	c
2018	60.00		62.00		68.00		74.00		82.00	e	93.00		94.00		92.00		87.00	b	73.00	b	64.00		54.00		94.00	i
2019	49.00		47.00		60.00		73.00		72.00		84.00		92.00	b	92.00		92.00		74.00		70.00		49.00		92.00	b
2020	48.00		56.00		62.00		77.00		87.00		90.00		94.00		97.00		93.00	c	85.00		72.00		61.00		97.00	c
2021	57.00		54.00	a	64.00		79.00		82.00		95.00		101.00		92.00		88.00		72.00	a	67.00		62.00	b	101.00	d
2022	50.00		54.00		71.00		70.00		83.00		90.00		96.00		89.00		90.00		73.00		57.00		55.00		96.00
2023	46.00		47.00		45.00		76.00		75.00		81.00		97.00		87.00		82.00		79.00		70.00		59.00		97.00
2024	55.00		52.00		62.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	53.94		55.51		62.13		71.96		79.43		87.69		90.64		88.09		83.85		75.03		65.10		56.00		91.42
S.D.	5.34		5.70		5.97		4.16		4.26		4.02		3.96		3.92		4.02		4.26		4.59		4.67		3.51
SKEW	-0.68		-0.22		-0.16		-0.24		-0.01		-0.02		0.01		-0.45		-0.18		0.08		-0.53		0.12		0.15
MAX	64.00		68.00		76.00		81.00		90.00		96.00		101.00		97.00		93.00		85.00		74.00		67.00		101.00
MIN	35.00		41.00		45.00		60.00		67.00		80.00		81.00		77.00		73.00		64.00		52.00		47.00		85.00
YRS	108		109		107		108		107		106		107		107		108		107		107		106		60