WHEATON, MN

Average of Maximum Temperature (Degrees Fahrenheit)

(218907)

File last updated on May 14, 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
1914	-----	z	-----	z	-----	z	-----	z	78.32	l	77.83		86.45		80.29		74.20		66.68		45.17		19.32		64.28	e
1915	19.71		29.00		33.45		66.23		63.90		72.73		76.68		78.94		72.30		62.42		41.93		28.10		53.78
1916	12.77		19.66		33.00		53.63		65.87		71.43		87.97		80.71		69.70		56.03		45.18	h	18.58		51.76	a
1917	14.43	a	14.04		35.10		50.03		69.39		77.62	a	88.07	a	81.55		71.73		49.31	b	48.27		15.94		51.29
1918	10.97		27.50		49.42		57.53		73.23		78.93		83.71		84.19		70.40		61.81		43.20		29.61		55.88
1919	28.84		20.79		36.35		56.13		69.84		78.14	b	87.65		84.52		76.33		51.13		29.87		19.13		53.23
1920	15.87		26.41		39.26		46.63		70.65		75.60		81.52		83.81		76.17		67.20	a	38.40		27.03		54.05
1921	28.74		34.86		42.90	a	60.17		70.87		86.23		88.65		85.10		73.00		61.84		-----	z	-----	z	63.24	b
1922	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	84.55		89.06		79.52	a	64.68		42.30		23.97		64.01	f
1923	23.10		18.62	b	32.37	a	53.80		69.07	a	82.13		87.61		81.16		75.90		59.58		48.00		35.61		55.58
1924	15.29		32.41		38.39		54.47		62.90	a	70.87		78.27	a	76.55		62.83		60.48		36.83		15.53	a	50.40
1925	17.19		23.74	a	42.45		62.23		66.52		71.67		77.55		85.35		72.29	p	41.52		-----	z	-----	z	54.25	c
1926	-----	z	-----	z	-----	z	-----	z	-----	z	74.78	c	86.81		80.03		66.87		57.32		32.40		21.93	a	60.02	e
1927	23.29		28.93		41.10		55.67		63.26		76.83		79.23		80.32		74.43		64.00		33.87		11.30	a	52.69
1928	25.65		30.66		43.29		50.73		76.52		74.63		82.97		81.87		70.70		59.32		44.40		34.23		56.25
1929	9.77		17.36		44.32		59.73		66.58		80.59	a	88.13		85.23		69.00		60.61		36.13		23.65		53.43
1930	13.45		36.39		41.42		61.60		68.90		79.77		88.10		88.13		74.97		56.52		44.33		31.32		57.07
1931	35.03		40.68		41.27	a	62.17		-----	z	84.03		91.13		82.55		82.37		64.06		46.00		31.55		60.08	a
1932	22.42		28.28		31.19		55.60		73.19		83.27		89.10		85.55		76.43		54.81		37.57		24.13		55.13
1933	-----	z	22.32		41.71		55.60		68.90		91.40		91.68		85.74		79.80		59.90		40.50		24.71		60.21	a
1934	28.84		30.46		40.06		59.43		84.68		84.40		88.84		84.39		68.90		64.55		45.67		22.87		58.59
1935	16.48		34.75		40.90		50.13		63.65		74.93		88.81		84.29		75.67		60.71		32.40		23.26		53.83
1936	3.50	e	2.17		38.16		54.17		78.29		83.23		98.71		89.84		79.87		61.16		36.60		28.97		54.56
1937	10.42		20.57		33.65		52.17		72.97		78.17		87.81		91.52		77.70		58.35		40.80		23.94		54.00
1938	19.29		25.50		48.06		61.90		66.32		81.73		86.19		92.32		78.43		70.39		40.37		30.61		58.43
1939	26.26		17.29		40.52		57.23		82.45		82.10		87.94		87.55		80.17		59.35		52.53		41.45		59.57
1940	16.32		28.10		33.26		53.17		73.39		83.03		93.58		80.19		80.50		67.39		34.13		27.74		55.90
1941	24.45		24.57		38.45		60.40		78.13		79.97		88.16		85.06		75.50		58.96	d	41.17		30.90	a	57.14
1942	29.06		27.79		44.65		64.13		63.94		74.43		81.67	v	82.03		70.60		62.71		42.77		21.84		53.09	a
1943	11.35		27.82		31.97		61.63		66.10		77.73		88.65		84.39		71.53		64.45		37.33		34.84		54.82
1944	37.29		28.97		33.03		53.77		72.13		81.27		84.42		83.42		72.70		66.03		40.60		28.42		56.84
1945	22.84		27.89		50.71		54.40		67.32		72.93		84.61		85.06		71.80		61.77		36.63		18.10		54.51
1946	21.52		25.00		47.58		72.36	p	68.29		82.07		85.19		83.35		72.50		59.00		42.43		26.68		55.78	a
1947	34.26		23.96		38.13		51.80		66.29		76.57		86.94		91.74		78.13		70.68		34.53		24.48		56.46
1948	18.81		22.79		34.84		61.50		73.61		80.40		86.60	a	85.32		81.70		63.23	a	40.70	c	28.13		56.47
1949	19.39		17.64		35.10		60.93		73.74		80.93		85.39		89.23		71.03		61.70	a	47.40		24.29		55.56
1950	7.94		23.14		30.81		42.10		62.77		81.66	a	79.81		79.06		74.93		61.81		37.97		18.39		50.03
1951	15.87		23.89	a	25.06		48.50		74.35		74.63		83.65		78.45		68.53		59.07	c	34.83	a	18.67	a	50.46
1952	21.52	j	29.57	a	30.74		59.97		73.19		82.87		85.94		85.61		81.86	a	63.20	a	47.77		29.26		60.91	a
1953	24.03		29.29		40.32		51.18	b	69.90	a	80.41	a	84.83	a	85.71		76.47		70.84		48.90		29.37	a	57.60
1954	17.55	b	39.86		37.06		57.50		64.70	a	78.80		86.68		83.55		70.37		57.97		50.03		31.26		56.28
1955	23.32		20.36		36.07	a	68.37		78.39		79.23		88.65		87.19		76.77		65.61		32.77		17.81		56.21
1956	20.87		22.55		34.94		51.14	a	69.35		83.93		81.23		82.93	a	75.13		70.61		41.53		33.97		55.68
1957	19.07	a	29.89		42.10		57.20		68.71		77.93		89.61		81.97		72.07		58.65		41.77		36.82	c	56.31
1958	32.39	c	27.21		39.87		60.30		77.80	a	74.52	a	82.90		89.65		77.17		67.00		43.79	a	25.10		58.14
1959	20.17	a	26.50		47.26		61.47		72.45		85.37		87.61		89.03		77.57		53.63	a	33.65	d	38.29		57.75
1960	23.48		25.90		29.39		55.63		73.58		77.97		88.32		86.87		77.27		65.16		47.68	b	26.87		56.51
1961	24.71		35.44	a	46.50	a	53.32	b	68.81		84.60		83.74		88.45		71.13		63.90	b	42.10	a	22.03	a	57.06
1962	19.84		24.21		34.03	b	54.40		68.87		77.17		79.03		81.74		71.90		65.55		46.33		32.44	d	54.63
1963	16.13		29.43		46.80	a	58.23		70.00	a	81.14	a	85.70	a	83.42		75.73		73.03		48.10		20.32		57.34
1964	31.23		35.24		35.68		58.47		76.23		82.50		87.87		81.39		72.00		63.93	a	44.37		18.68		57.30
1965	15.65		24.22	a	27.39		53.23		70.55		78.87		83.10		81.87		60.83		65.61		43.00		35.48		53.32
1966	10.32		22.61		43.06		49.43		68.71		80.13		91.94		79.48		75.07		62.32		36.52	a	25.84		53.79
1967	23.87		21.54		42.39		55.23		65.29		77.33		83.35		82.74		76.70		59.39		42.93		29.68		55.04
1968	23.61		24.10		54.87		60.00		65.84		79.73		85.26		85.74		73.10		61.39		42.10		20.97		56.39
1969	10.61		23.57		30.23		56.41	a	72.97	a	73.23		83.90		89.24	b	77.50		54.29		42.13		26.07	b	53.35
1970	12.77		26.89		32.74		53.63		72.33	a	83.30		88.33	a	87.13		76.27		60.20	a	35.07		24.13		54.40
1971	13.71		25.54		38.50	a	62.33		71.27	a	81.43		81.32		87.19		75.17		62.06		39.27		23.17	a	55.08
1972	17.32		18.55		35.71		52.60		70.58		80.27		82.45		83.77		73.70		57.55		37.17		17.10		52.23
1973	23.77		30.04		46.65		57.70		70.43	a	81.69	a	85.40	a	86.32		71.40		67.13		40.37		21.40	a	56.86
1974	18.19		26.82		36.00		57.30		65.48		81.17		90.61		81.68		74.03		66.06		42.70		33.26		56.11
1975	24.90		21.54		31.48		42.80		73.16		78.37		89.65		83.00		70.97		63.68		43.47		25.65		54.05
1976	21.71		37.55		41.26		64.13		72.90		85.50		90.61		91.42		79.63		59.75	c	39.60		24.23		59.02
1977	9.52		32.89		44.87		67.10		79.97		80.63		87.90	a	77.68		71.43		62.63	a	37.00		18.32		55.83
1978	11.52		17.57		36.77		53.13		73.19		80.20		84.03		86.61		79.69	a	63.39		37.80		22.61		53.88
1979	9.13		13.18		32.74		47.17		64.20	a	79.40		83.30	a	80.19		79.90		59.00		38.03		36.26		51.88
1980	22.45		22.66		33.74		64.30		77.87		78.59	a	87.26		81.58		74.23		58.94		47.93		26.81		56.36
1981	28.19		33.43		50.03	a	63.03		71.03		76.60		84.23		82.45		74.90		57.00		48.20		20.74		57.49
1982	7.14	b	23.12	b	34.77		53.82	b	70.65		75.83		85.93	a	84.67	a	71.64	b	58.40	a	36.38	a	32.50	a	52.90
1983	28.06		33.18		37.26		52.48	a	69.43	a	79.28	a	88.65		88.61		73.77		56.13	a	37.80		9.16		54.48
1984	21.58		33.93	a	32.26		57.80		71.16		78.90	a	86.70	a	88.93	c	70.73		60.00	a	44.60		25.13		55.98
1985	22.90		28.00	a	46.45		67.40		77.26		77.17	a	86.84		77.74		67.40		60.55		28.83		17.52		54.84
1986	27.13		22.46		43.74		58.03	a	72.29		83.10		85.23		79.61		69.07		61.81		38.53		39.06		56.67
1987	33.29		42.07		44.55		70.30		-----	z	85.13		88.04	c	84.45		75.60		58.52		46.80		30.54	c	59.93	a
1988	21.30	a	25.00		42.68		65.10		80.52		89.97		92.00		88.03		75.50		58.84		39.00		31.07	b	59.08
1989	31.10		19.25		33.39		56.17		73.45		78.86	a	88.68		83.16		75.10		64.84		39.67		19.93	c	55.30
1990	37.48		35.89		47.06		61.83		70.16		80.90		83.03		83.48		78.67		61.94		48.33		29.86	b	59.89
1991	24.73	a	40.48	a	43.97		61.43		72.45		81.83		82.94		84.87		71.93		59.65		33.73		30.68		57.39
1992	31.33	a	35.41		45.77		53.90		76.06		75.83		75.00		78.48		73.77		61.50	a	32.31	a	-----	z	58.13	a
1993	19.90	a	21.32		36.77		55.07		70.23		73.57		78.42		81.00	a	69.63		59.62	b	35.90		25.20	a	52.22
1994	7.45		17.71		41.03	a	59.53		74.86	b	81.50	b	79.65		79.10		76.83		61.50	a	45.48	a	29.71		54.53
1995	21.90		26.22	a	38.29		48.37		68.13		82.83		82.23	a	84.29		73.38	a	54.65		34.55	a	24.10		53.25
1996	13.55	b	26.72		31.19		52.04	b	66.26		81.93	a	82.81		83.84		72.52	a	61.10	b	-----	z	16.87		53.53	a
1997	13.48	b	27.07	a	34.63	a	51.72	a	67.97		83.73		82.69	b	80.00	a	77.63	c	65.10	a	34.13		33.48		54.30
1998	21.19		34.93	a	34.30	a	62.50		76.30	a	75.34	a	84.71		85.47	a	81.14	a	61.00	a	40.53		33.03	b	57.54
1999	17.65		35.64		45.70	a	58.38	a	70.10	a	78.73		85.87	a	82.87		71.10	a	60.29		54.62	a	36.60	a	58.13
2000	23.67	a	35.48		51.03		58.63		72.41	b	78.76	a	84.00	b	84.59	d	75.21	a	-----	z	36.07	b	11.55	b	55.58	a
2001	26.90	b	18.56	c	32.04	c	54.59	c	72.41	d	79.88	d	86.61	c	86.33	a	73.26	c	59.03	b	55.04	b	29.32		56.16
2002	30.90	b	39.93		32.59	b	56.68	b	68.43	a	84.15	c	88.37	a	81.76	b	78.38	a	49.29		41.66	a	33.73	a	57.15
2003	-----	z	25.48	a	43.39		61.70		70.73	a	78.43		85.37	a	87.65		74.67		65.06		37.50		30.48		60.04	a
2004	18.77		28.37	b	46.94		63.83	a	68.67	a	76.37		79.90	a	72.03		72.67		56.35		44.17		27.13		54.60
2005	16.67	a	29.82		38.48		60.30		63.10		77.40		81.65		77.74		73.83		59.90		41.87		22.74		53.63
2006	30.42		21.57		34.97		59.43		66.52		77.47		85.42		80.13		65.87		54.06		42.93		34.74		54.46
2007	22.94		15.37	a	40.10		49.80		70.61		78.00		83.65		77.13		72.63		60.16		41.13		19.90		52.62
2008	16.52		18.34		32.58		50.23		65.77		74.13		82.32		81.10		72.00		56.42		39.73		17.32		50.54
2009	13.55		21.36		31.81		50.80		67.94		74.33		76.58		77.10		75.30		46.58		47.80		18.42		50.13
2010	14.81		17.25		40.90		63.63		67.13		76.13		82.84		82.26		66.73		61.48		39.93		17.20	a	52.53
2011	13.65	e	21.00		29.35		51.10		64.13		74.20		84.61		80.39		71.50		63.06		44.27		33.32		52.55
2012	29.87		31.97		52.32		58.93		71.39		79.80		86.32		79.42		74.50		54.74		40.97		23.52		56.98
2013	22.29		19.68		26.42		39.90		65.87		74.83		81.13		81.45		75.77		53.52		38.77		15.74		49.61
2014	18.37	a	15.96		33.26		50.73		66.81		75.70		77.58		77.48		71.33		59.52		29.77		26.90		50.28
2015	25.03		16.82		43.48		60.53		65.29		76.69	a	81.61		78.97		78.44	c	61.26		47.27		29.39		55.40
2016	21.42		30.64	a	47.74		55.30		71.39		80.03		81.00		80.35		72.15	c	58.87		50.27		23.26		56.04
2017	21.23		35.29		39.55		56.63		67.71		79.23		82.45		75.87		73.27		59.52		37.83		26.10		54.56
2018	21.23		20.36		38.94		45.20		77.74		80.37		80.84		78.48		72.17		51.61		31.33		30.03		52.36
2019	15.77		10.61		33.10		54.10		63.13		77.57		81.06		76.26		71.63		50.87		36.63		24.35		49.59
2020	23.06		26.97		44.32		52.63		65.55		81.63		83.48		81.48		70.10		52.39		49.40		33.26		55.36
2021	34.00	m	15.11		48.94		53.07		69.42		84.17		84.03		80.77		75.40		61.35		41.67		26.03		58.18	a
2022	14.58		19.00		34.45		43.50		66.61		79.93		82.65		79.45		75.57		59.97		36.80		18.74		50.94
2023	19.52		23.75		26.84		43.20		75.39		83.30		80.55		80.35		75.23		57.94		43.83		37.00		53.91
2024	20.52		38.03		42.29		56.48	a	66.77	r	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	39.33	h
Period of Record Statistics
MEAN	20.51		25.99		38.80		56.20		70.45		79.34		85.04		83.19		74.04		60.44		40.92		25.96		54.92
S.D.	7.08		7.21		6.36		5.91		4.59		3.77		3.92		3.91		3.89		5.06		5.48		6.60		2.40
SKEW	0.13		-0.06		0.19		-0.26		0.56		0.22		0.08		0.10		-0.36		-0.57		0.16		-0.06		-0.34
MAX	37.48		42.07		54.87		70.30		84.68		91.40		98.71		92.32		82.37		73.03		55.04		41.45		59.89
MIN	3.50		2.17		25.06		39.90		62.77		70.87		75.00		72.03		60.83		41.52		28.83		9.16		49.59
YRS	104		108		108		107		105		109		109		110		109		109		106		107		93