CHARLESTON, IL

Maximum of Maximum Temperature (Degrees Fahrenheit)

(111436)

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
1896	54.00		69.00	b	68.00	b	88.00		94.00		92.00		95.00		97.00		90.00	b	80.00	a	73.00	f	62.00	a	97.00	n
1897	62.00	d	58.00	d	68.00	b	79.00	b	82.00		92.00		96.00		98.00		94.00		90.00		67.00	a	61.00		98.00	m
1898	61.00		66.00		70.00		78.00		84.00		93.00		95.00		93.00		94.00		84.00		69.00		56.00		95.00
1899	55.00		58.00		66.00		88.00		86.00	a	93.00		94.00		99.00		100.00		92.00		72.00		60.00		100.00	a
1900	64.00	a	59.00	a	69.00		84.00	a	92.00	a	91.00		-----	z	94.00		92.00		88.00	a	73.00	e	58.00	a	-----	z
1901	64.00	e	54.00		72.00	a	-----	z	90.00		-----	z	-----	z	-----	z	-----	z	-----	z	71.00		60.00	e	-----	z
1902	56.00		50.00	a	70.00	b	84.00	b	90.00		95.00	a	95.00		95.00		86.00		79.00		76.00		50.00	f	95.00	l
1903	56.00		54.00		78.00	a	80.00		90.00		90.00		96.00		94.00	b	90.00		87.00		68.00		48.00	a	96.00	d
1904	50.00	a	58.00	a	75.00		81.00		88.00		90.00		94.00		92.00		90.00		83.00		69.00		57.00		94.00	b
1905	60.00	b	55.00	b	80.00		84.00		88.00		98.00	a	94.00		94.00		96.00		86.00		74.00		50.00		98.00	e
1906	69.00	b	65.00	a	56.00	a	87.00		91.00		94.00		95.00		94.00		94.00		77.00		69.00		60.00		95.00	d
1907	65.00		62.00		86.00		77.00		85.00		91.00		95.00		92.00		92.00	a	83.00		60.00		62.00		95.00	a
1908	54.00		54.00		83.00	a	82.00		89.00		94.00		97.00	a	96.00		97.00		85.00		70.00	a	64.00		97.00	c
1909	71.00		65.00		65.00		81.00		86.00		92.00		94.00		96.00		90.00		81.00		77.00		69.00		96.00
1910	50.00		59.00		85.00		85.00		82.00		97.00		95.00		91.00		88.00		84.00		70.00		48.00		97.00
1911	60.00		72.00		79.00		75.00		97.00		102.00		104.00		97.00		92.00		85.00		75.00		59.00		104.00
1912	44.00		52.00		72.00		79.00		90.00		89.00	a	95.00		92.00		93.00		85.00	b	72.00		61.00	a	95.00	d
1913	58.00	d	65.00		68.00		83.00		94.00		102.00		103.00		-----	z	-----	z	86.00	f	75.00	a	59.00	a	-----	z
1914	67.00		50.00		68.00		87.00	a	96.00		106.00		106.00		100.00		91.00		86.00		75.00		58.00		106.00	a
1915	51.00		66.00		58.00		88.00	a	89.00	a	87.00		92.00	d	88.00		92.00		82.00	a	83.00		50.00	a	92.00	h
1916	61.00		66.00		79.00		82.00		92.00		95.00		103.00		102.00		95.00		90.00		77.00		70.00		103.00
1917	66.00		65.00		79.00		87.00		88.00	e	96.00		98.00		96.00		92.00		84.00		73.00		55.00		98.00	e
1918	39.00		67.00		74.00	b	74.00	d	92.00	c	102.00		97.00		107.00		83.00		87.00		71.00		66.00	a	107.00	j
1919	58.00		58.00	b	72.00		80.00		92.00		95.00		101.00		101.00		99.00		93.00		67.00		54.00		101.00	b
1920	47.00		57.00		77.00		75.00		88.00		96.00		101.00		97.00		90.00		85.00		68.00		61.00		101.00
1921	56.00		70.00		80.00		82.00	a	95.00		96.00		102.00		92.00		92.00		82.00		69.00		60.00		102.00	a
1922	57.00		71.00		74.00		79.00		86.00		98.00		96.00		99.00		100.00		94.00		71.00	a	61.00		100.00	a
1923	57.00		48.00		70.00		81.00	a	84.00		96.00		98.00	a	97.00		89.00		80.00		69.00		64.00		98.00	b
1924	49.00		61.00		69.00		86.00	a	86.00		94.00		96.00		99.00		92.00		86.00	a	76.00		60.00		99.00	b
1925	52.00		67.00		80.00		89.00		96.00		100.00		101.00		97.00		104.00		81.00		64.00		62.00		104.00
1926	52.00		61.00		52.00	n	83.00		92.00		93.00		101.00		98.00		94.00		87.00		65.00		63.00		101.00	n
1927	51.00	d	65.00		74.00		80.00	a	87.00		96.00		98.00		93.00		99.00		88.00		79.00		63.00		99.00	e
1928	67.00		60.00		83.00		78.00	a	92.00	a	89.00		97.00		97.00		95.00	f	89.00		67.00		58.00		97.00	h
1929	56.00		57.00		89.00		86.00		93.00		96.00		98.00	c	100.00	b	96.00		83.00		65.00		64.00		100.00	e
1930	56.00		75.00		74.00		92.00		88.00		101.00		108.00		106.00		94.00		88.00		80.00	a	58.00		108.00	a
1931	64.00		65.00		61.00		85.00		91.00		103.00		103.00		99.00		97.00		88.00		78.00		66.00		103.00
1932	67.00		74.00		72.00		83.00		91.00		95.00		104.00		100.00		95.00		86.00		67.00		64.00		104.00
1933	61.00		68.00		80.00		81.00		90.00		103.00		105.00		101.00		101.00		85.00		84.00		69.00		105.00
1934	64.00		65.00		75.00		80.00		101.00		108.00		107.00		101.00		91.00		84.00		73.00		52.00		108.00
1935	59.00		64.00		77.00		85.00		84.00		90.00		100.00		101.00		93.00		87.00		74.00		56.00		101.00
1936	60.00		62.00		72.00	a	83.00		90.00		104.00		110.00		105.00		96.00		80.00		70.00		61.00		110.00	a
1937	59.00		63.00		71.00	a	86.00		94.00		98.00		94.00		98.00		93.00		87.00		77.00		60.00		98.00	a
1938	55.00		71.00		78.00		85.00		88.00		93.00		98.00		97.00		95.00	a	87.00		77.00		56.00		98.00	a
1939	64.00		63.00		81.00		81.00		91.00		93.00		100.00		91.00		99.00		90.00		67.00		64.00		100.00
1940	40.00		49.00		79.00		83.00		88.00		93.00		101.00		100.00		95.00		85.00		75.00		61.00		101.00
1941	55.00		60.00		68.00		86.00		93.00		97.00		99.00		100.00		90.00		85.00		75.00		62.00		100.00
1942	60.00		54.00		79.00		86.00		92.00		93.00		94.00		92.00		93.00		85.00		78.00		67.00		94.00
1943	67.00		69.00		79.00		81.00		87.00		94.00		97.00		103.00		97.00		84.00		68.00		66.00		103.00
1944	65.00		69.00		75.00		76.00		91.00		-----	z	-----	z	-----	z	-----	z	-----	z	60.00	m	48.00		-----	z
1945	46.00		73.00		80.00		80.00		87.00		89.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1946	53.00	t	59.00		79.00		85.00		80.00		94.00		99.00		92.00		90.00		90.00		67.00		65.00		99.00	t
1947	60.00		56.00		66.00		80.00		85.00		92.00		96.00		104.00		93.00		87.00		63.00		59.00		104.00
1948	57.00		67.00		82.00		84.00		86.00		93.00	a	96.00	b	99.00		95.00		78.00	a	74.00		73.00	b	99.00	f
1949	65.00	a	62.00		74.00		80.00	b	93.00	b	96.00	f	100.00	b	96.00	e	86.00		85.00	a	78.00		67.00	b	100.00	u
1950	69.00	d	57.00	b	75.00		82.00	a	90.00	d	95.00	d	90.00	c	92.00	d	81.00	m	88.00		84.00	e	67.00		-----	z
1951	64.00		66.00		69.00	f	86.00	d	-----	z	94.00	f	94.00	c	99.00	f	89.00	d	90.00	b	65.00	b	66.00		-----	z
1952	70.00		62.00		72.00		87.00		92.00	c	100.00		100.00	e	95.00	d	93.00	u	81.00	e	74.00	b	66.00		-----	z
1953	60.00		59.00		75.00		80.00	e	93.00	c	100.00	c	98.00	l	99.00	c	103.00	d	94.00		75.00		60.00		-----	z
1954	58.00		72.00	a	71.00		86.00	b	88.00	c	104.00		109.00		99.00		104.00		91.00		72.00		58.00		109.00	f
1955	60.00	a	61.00		72.00		81.00		87.00		90.00		97.00		97.00		98.00	c	80.00	b	78.00		60.00		98.00	f
1956	53.00		68.00		75.00		81.00		89.00		93.00	a	96.00		94.00		94.00		86.00		76.00		67.00		96.00	a
1957	54.00		67.00		72.00		82.00		83.00		92.00		93.00		95.00		89.00		82.00		65.00		58.00	a	95.00	a
1958	50.00		66.00		59.00	a	84.00		86.00		91.00		92.00		92.00		91.00		83.00		75.00		52.00		92.00	a
1959	57.00		63.00		75.00		83.00		90.00		98.00		97.00	b	95.00		92.00		86.00		66.00		60.00		98.00	b
1960	64.00	a	53.00		75.00	a	87.00	b	83.00		93.00		93.00		95.00		98.00		83.00		72.00		57.00		98.00	d
1961	55.00		68.00	a	72.00		78.00		87.00		91.00		94.00		92.00		93.00		84.00		77.00	b	61.00		94.00	c
1962	53.00		67.00		72.00		85.00		92.00		94.00		94.00		100.00		91.00		89.00		65.00		63.00		100.00
1963	55.00		55.00		80.00		83.00		90.00		97.00	a	95.00		95.00		92.00		90.00		70.00		60.00		97.00	a
1964	62.00		54.00		70.00		81.00		92.00		96.00		95.00		103.00		96.00		83.00	b	76.00	a	56.00		103.00	c
1965	63.00		60.00		61.00		85.00		88.00		93.00		96.00		96.00		89.00		82.00		73.00		66.00		96.00
1966	56.00		61.00		77.00		76.00		88.00	a	95.00		103.00	a	93.00		92.00		77.00		72.00		66.00		103.00	b
1967	68.00		60.00	a	79.00		83.00		91.00		93.00		92.00		92.00		85.00		88.00		64.00		65.00		93.00	a
1968	55.00		59.00		78.00		79.00		88.00	a	95.00		95.00		95.00		88.00		84.00	a	73.00		52.00		95.00	b
1969	55.00		48.00		74.00		83.00		91.00		93.00		95.00		93.00		89.00		83.00		64.00		54.00		95.00
1970	63.00		56.00		65.00		85.00	a	89.00		95.00	a	98.00		94.00		94.00	s	78.00	c	65.00		70.00		98.00	x
1971	51.00		62.00		67.00	a	83.00		84.00	a	95.00		93.00		91.00		90.00		86.00	b	75.00		64.00	c	95.00	g
1972	63.00		74.00		75.00		81.00		89.00		90.00		93.00		91.00		90.00		75.00		64.00		56.00		93.00
1973	60.00		59.00		70.00		75.00		80.00	g	89.00		91.00		92.00		89.00		82.00		68.00	b	66.00	d	92.00	m
1974	60.00	a	60.00		81.00		79.00		85.00		90.00		98.00	a	90.00		84.00		78.00		75.00		49.00		98.00	b
1975	63.00		58.00		74.00		78.00		90.00		92.00	a	90.00		92.00		93.00		86.00	a	78.00		66.00		93.00	b
1976	47.00	b	72.00		74.00		82.00		86.00		91.00		98.00		92.00		89.00		87.00		62.00		55.00		98.00	b
1977	37.00		66.00		74.00		87.00		90.00		95.00		95.00		91.00		92.00		77.00		72.00		56.00		95.00
1978	44.00		40.00		80.00		82.00		86.00		95.00		93.00		90.00		92.00	a	77.00		78.00		61.00		95.00	a
1979	38.00		49.00		74.00		76.00		85.00	a	91.00		90.00		92.00		87.00		85.00		71.00		64.00		92.00	a
1980	55.00		53.00	a	62.00		86.00		86.00		91.00		101.00		97.00		90.00		86.00		70.00	a	67.00		101.00	b
1981	56.00		65.00	a	84.00		85.00		81.00		90.00		95.00		89.00		85.00		83.00		73.00		56.00	e	95.00	f
1982	47.00	c	56.00		75.00		78.00	a	87.00		85.00	a	90.00		95.00	a	85.00		85.00		76.00		71.00		95.00	f
1983	47.00		70.00		78.00		78.00		80.00		93.00		99.00		100.00		97.00		86.00		70.00		48.00	a	100.00	a
1984	43.00		66.00		64.00		77.00		85.00		92.00		99.00		93.00		94.00	a	79.00	a	70.00	a	69.00		99.00	c
1985	41.00	a	63.00		82.00		83.00	a	87.00		90.00	a	92.00		89.00		90.00		83.00	a	71.00		54.00		92.00	d
1986	65.00		64.00	a	84.00	a	86.00	a	87.00		92.00		95.00		93.00		89.00	b	78.00		73.00	a	50.00		95.00	f
1987	56.00	a	57.00		74.00		88.00		90.00		94.00		93.00	a	95.00	a	90.00	a	78.00		79.00	a	54.00	a	95.00	f
1988	57.00		65.00		77.00	a	85.00		90.00		102.00		100.00		102.00		91.00		76.00		67.00		65.00		102.00	a
1989	68.00		49.00	d	74.00	c	86.00		87.00	c	91.00		98.00		91.00		86.00		86.00	a	74.00		54.00	b	98.00	m
1990	65.00		63.00	a	79.00	a	84.00	a	79.00		91.00		98.00		93.00		95.00		84.00		76.00		60.00	a	98.00	d
1991	43.00		63.00	a	78.00	c	81.00	a	92.00		93.00		96.00		99.00		95.00		84.00		69.00		65.00	b	99.00	g
1992	52.00	b	65.00	a	77.00		81.00	a	88.00		98.00	a	95.00		95.00	a	88.00		84.00	a	74.00	c	59.00	a	98.00	k
1993	58.00		64.00	d	75.00		77.00		87.00		94.00		94.00		94.00	a	86.00	a	82.00		69.00		55.00		94.00	f
1994	54.00		66.00		77.00		83.00		89.00		98.00	a	95.00	a	92.00		92.00	b	88.00		73.00		60.00		98.00	d
1995	69.00		64.00		77.00		79.00	a	83.00		96.00		100.00		96.00		90.00		83.00	a	67.00		63.00		100.00	b
1996	61.00	a	71.00		69.00		78.00	a	91.00		95.00	a	96.00		96.00	b	87.00		83.00	a	68.00	a	62.00		96.00	g
1997	65.00		64.00		80.00	b	79.00		87.00	a	93.00		97.00	a	93.00	a	92.00	a	89.00		64.00		57.00		97.00	f
1998	62.00		66.00		80.00	a	77.00		92.00	a	96.00	a	96.00		94.00		97.00		83.00		68.00		71.00	a	97.00	d
1999	65.00	b	69.00		71.00		79.00		85.00	a	94.00	a	101.00		91.00		96.00		81.00		79.00		62.00	a	101.00	e
2000	62.00	a	74.00	a	80.00		77.00	a	88.00		90.00		92.00		98.00		92.00		85.00		79.00	a	49.00	a	98.00	e
2001	49.00	b	61.00	a	61.00		87.00		94.00		93.00		97.00		96.00		90.00		83.00		76.00		66.00		97.00	c
2002	65.00	a	59.00	a	72.00		87.00		92.00		94.00		99.00	a	96.00		94.00		90.00		67.00		59.00	a	99.00	d
2003	58.00		60.00	a	75.00	a	85.00		87.00		92.00	a	97.00		96.00		85.00		83.00		80.00		56.00		97.00	c
2004	64.00		62.00		77.00		84.00	a	89.00		92.00		94.00	a	91.00		88.00		82.00	b	71.00	a	65.00		94.00	e
2005	66.00	a	68.00	a	76.00	a	82.00		89.00		96.00		101.00	b	98.00	b	95.00		88.00		78.00		52.00		101.00	g
2006	64.00		61.00		78.00		86.00		92.00		94.00		97.00		97.00		88.00		91.00		76.00		60.00		97.00
2007	55.00		52.00		82.00		89.00	a	89.00		95.00		91.00	a	98.00		95.00		91.00	a	69.00	a	60.00		98.00	d
2008	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	89.00	t	91.00	n	82.00	l	75.00	c	69.00	c	-----	z
2009	56.00		65.00	a	75.00	q	84.00	a	86.00		94.00	b	88.00		93.00	a	85.00		70.00	a	74.00		56.00		94.00	w
2010	48.00	b	48.00	a	78.00	b	85.00	a	91.00	b	95.00	b	94.00	b	98.00		94.00		88.00		78.00		59.00		98.00	l
2011	57.00		66.00		77.00		84.00	a	91.00	a	97.00	a	101.00	d	97.00		100.00		86.00	a	72.00		60.00	a	101.00	i
2012	61.00		66.00		85.00	a	87.00		93.00	b	105.00	a	104.00		99.00	a	91.00		80.00		73.00		72.00	a	105.00	f
2013	63.00	b	55.00	a	62.00		83.00	a	96.00		92.00		95.00	a	99.00		98.00		89.00	a	72.00	c	64.00	c	99.00	l
2014	53.00	g	64.00	a	74.00	a	79.00	a	88.00	c	92.00	d	89.00	c	95.00		93.00		85.00	f	69.00	b	54.00	c	-----	z
2015	53.00	a	58.00	a	76.00	d	78.00	a	87.00	b	91.00		94.00		93.00	a	95.00	b	83.00	a	77.00	a	69.00		95.00	n
2016	65.00	a	73.00		78.00	a	83.00	a	89.00	b	96.00	c	94.00	e	93.00	e	93.00	b	89.00	d	81.00	b	63.00	a	-----	z
2017	67.00	c	72.00	c	75.00	g	85.00	a	89.00	e	96.00	d	99.00	f	94.00	b	96.00	f	88.00	g	73.00	d	65.00	c	-----	z
2018	60.00	g	71.00	e	62.00	a	79.00	a	95.00	d	94.00	d	92.00	c	92.00	b	94.00	h	89.00	a	63.00	d	61.00	d	-----	z
2019	59.00		62.00	b	72.00	d	81.00		92.00		95.00	a	95.00	d	95.00		93.00	b	94.00	b	69.00	c	67.00	c	95.00	u
2020	60.00	d	70.00	d	70.00	e	84.00	e	88.00	a	96.00		95.00		95.00	a	91.00	a	87.00		79.00		63.00	a	96.00	v
2021	51.00	a	61.00		76.00	a	83.00	a	88.00	a	97.00		93.00		98.00		93.00		83.00		66.00	a	64.00		98.00	e
2022	48.00		63.00	e	74.00	a	84.00		92.00	c	98.00		98.00		92.00		94.00	a	81.00	a	79.00	a	58.00	d	98.00	p
2023	63.00		70.00	b	74.00	a	83.00	f	91.00		95.00		98.00		101.00	b	94.00		89.00		77.00	c	64.00	a	101.00	o
2024	52.00	a	77.00	a	79.00	a	86.00	b	87.00	r	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	57.48		62.30		74.28		82.43		88.94		94.60		96.86		95.74		92.43		84.66		72.14		60.60		98.70
S.D.	7.45		6.82		6.18		3.60		3.70		3.99		4.19		3.80		4.22		4.27		5.05		5.68		4.06
SKEW	-0.60		-0.42		-0.60		-0.15		-0.03		0.90		0.73		0.51		0.31		-0.32		-0.02		-0.27		0.55
MAX	71.00		77.00		89.00		92.00		101.00		108.00		110.00		107.00		104.00		94.00		84.00		73.00		110.00
MIN	37.00		40.00		56.00		74.00		79.00		85.00		88.00		88.00		83.00		70.00		60.00		48.00		92.00
YRS	125		128		124		126		125		123		121		122		117		121		125		126		70