WINONA, MN

Average of Maximum Temperature (Degrees Fahrenheit)

(219067)

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
1885	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1886	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1887	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1888	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1889	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1890	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1891	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1892	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1893	16.97		26.12	b	36.23	a	49.83		65.40	a	82.13		85.29		82.20	a	75.70		62.77	a	44.92	d	25.64	i	57.05	a
1894	23.00	e	29.59	a	45.30	a	59.00		70.33	a	83.86	a	90.90		86.68		75.87		59.55	b	36.32	b	36.28	f	60.04	a
1895	18.70	d	21.50		40.61	c	62.60		70.28	b	78.67		80.27	a	81.39		75.62	a	52.96	d	40.65	d	28.96	c	54.35
1896	25.39	c	30.08	c	33.63	a	58.68	b	71.97		76.90		81.31	b	79.71		63.79	b	55.37	a	32.69	a	32.20	a	53.48
1897	21.44	d	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	21.44	k
1898	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1899	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
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	27.81		26.21		47.42		59.07	a	72.55		74.77		82.03		75.87		67.33		60.16		48.30		26.53	a	55.67
1903	25.87		26.52	a	44.48		58.37		70.77		74.66	a	79.55		74.20	a	68.57		60.00		40.07	b	24.07	a	53.93
1904	17.57	a	17.96	a	37.52		53.10		70.13	a	75.10		78.58		77.77	a	70.90		59.00		47.03		28.87		52.79
1905	15.03		18.32		42.42		54.50		64.35		75.77		78.45		79.58		71.17		54.60	a	44.30		31.34	b	52.49
1906	28.23		25.36		29.65		59.30		66.16		75.64	b	80.72	b	81.19		74.73		56.74		39.83		29.93	b	53.96
1907	20.16		26.07		43.03		47.20		59.71		74.70		80.70	a	76.42		68.73		58.52		43.93	b	32.57	a	52.64
1908	30.65		31.38		43.87		60.17		70.65		77.27		83.58		-----	z	82.23		60.48		46.63		30.90	a	56.16	a
1909	26.77		30.79		37.52		50.57		69.84		80.20		85.77		86.84		72.03		56.55		48.07	a	21.68		55.55
1910	25.65		25.11		58.45		67.00		67.94		86.50		91.29		82.42		72.50		65.94		36.47		28.68		58.99
1911	25.90		34.39		48.71		57.33		79.23		86.50		87.81		79.87	a	73.93		55.87	a	35.23		34.39		58.26
1912	7.48		24.18	a	35.68		63.23		72.68		78.77		84.65		78.90		73.37		63.29		48.33		37.13		55.64
1913	28.45		27.00		39.94		62.57		68.97		85.97		85.65		83.87		75.00		59.55		50.70		39.26		58.91
1914	32.55		25.18		43.74		59.90		73.42		79.20		87.03		82.23		74.87		68.42		48.37		22.35		58.10
1915	25.23		34.46		38.45		68.60		63.42		74.77		79.07	a	77.58		72.67		64.26		46.23		31.29		56.34
1916	27.16		25.59		40.73	a	55.63		68.87		73.10		91.26		85.43	a	71.60		60.81		43.37		23.16		55.56
1917	22.00		21.57		40.00	a	53.47		67.29		73.90	a	83.39		79.39		71.03		48.26		46.50		21.00		52.32
1918	14.84		30.32		50.55		56.76	a	74.61		77.87		82.67	a	84.29		68.33		62.90		48.90		37.10		57.43
1919	32.55		30.29		44.94		57.20		70.61		82.17		87.68		81.97		77.48	a	58.71		38.73		20.32		56.89
1920	19.73	a	27.45		45.84		51.27		71.81		81.53		82.00	a	81.16		78.10		69.48		40.17		32.16		56.72
1921	34.26		36.46		47.19		65.45	a	72.84		85.17		89.84		83.87	a	76.97		61.74		37.97		32.48		60.35
1922	26.48		29.04		43.71		57.37		76.26		82.03		80.68		85.58		78.20		66.39		48.27		30.06		58.67
1923	28.29		23.56	a	35.87		57.13		74.58		84.90		90.23		82.58		74.38	a	59.16		49.87		41.77		58.53
1924	19.35		30.55		38.03		57.43		62.53	a	75.55	a	81.48		79.94		69.13		69.87		45.80		21.68		54.28
1925	27.23		33.04		48.87		66.07	a	70.84		79.13		83.26		85.26		78.87		48.42		45.10		25.35		57.62
1926	28.00		34.43		36.19		56.80		76.23		76.37		84.52		82.39		70.73		57.87	a	39.07	a	25.65		55.69
1927	25.30	a	35.25		-----	z	55.97		-----	z	-----	z	-----	z	-----	z	77.50	b	65.80	a	43.63		20.34	b	46.26	e
1928	30.45		34.28		46.39		55.67	c	77.13	a	77.17	a	84.97	a	82.87		69.73		61.84		44.37		34.87	a	58.31
1929	16.20	a	21.61		45.74		59.37		66.57	a	76.77		84.33	d	81.45		72.59	h	59.74		36.56	e	26.65		52.27	a
1930	16.93	a	37.46		43.68		62.03		-----	z	78.53		-----	z	-----	z	-----	z	57.13		49.40		30.87	a	47.00	d
1931	32.24	b	41.63	a	40.65		61.07		67.74		86.13		90.29		85.00	a	80.63		65.21	b	51.83		38.65		61.76
1932	29.19		33.62		33.73	a	59.33		74.81		84.87		87.97	a	82.93	a	72.60		58.06		41.76	a	29.16		57.34
1933	37.39		28.56	a	41.97		57.50		70.00	b	93.47		89.23		82.67	a	78.48	a	59.26		43.17		30.94		59.38
1934	34.23		31.00		42.55		57.67		84.20	a	86.80		-----	z	82.13		72.48	a	65.81		48.43		26.10		57.40	a
1935	23.57	a	32.71		45.42		55.57		65.29		75.79	a	89.74		83.19		75.57		62.35		40.03		28.10		56.44
1936	17.03		13.45		43.10		52.17		77.90		80.07	a	94.67	a	89.87		78.03		58.52		43.67		36.06		57.04
1937	23.29		25.32		38.29		55.53		72.53	a	79.17		87.26		87.48		77.47		57.58		42.50		27.77		56.18
1938	24.81		34.39		52.68		60.73		69.65		78.77		82.90		84.00		73.00		68.42		43.17		30.32		58.57
1939	33.39		28.39		44.23		58.34	a	81.03		84.50		88.13		82.55		82.77		60.74		48.87		39.13		61.01
1940	17.58		30.83		35.48		57.07		71.00		80.90		87.77		78.39		76.60		66.00		39.03		31.97		56.05
1941	27.81		27.29		37.42		65.70		77.06		81.10		84.97		84.16		75.73		61.35		48.73		36.81		59.01
1942	28.94		28.18		44.77		67.87		66.84		77.13		83.06		81.48		68.00		60.94		45.03		25.42		56.47
1943	22.00		31.21		38.52		59.40		69.00	a	82.40		87.07	a	83.52		71.50		62.42		39.67		32.35	h	58.79	a
1944	39.26		33.41		35.81		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	46.92	d	28.66	b	36.81	g
1945	23.84		30.75		54.52		58.17		66.32		76.00		83.71		-----	z	75.63		62.30	a	41.90		22.06		54.11	a
1946	27.84		29.96	a	53.58		64.73		67.39		77.87		84.61		79.42		71.03		64.00		45.57		32.77	a	58.23
1947	30.16		25.61		37.00		50.10		63.19		76.70		84.87		89.19		75.45	a	70.55		37.10		29.87		55.82
1948	23.39		29.17		43.35		67.27		71.87		79.50		88.06		84.84		79.33		62.68		45.00		31.37	a	58.82
1949	26.94		29.70	a	41.23		63.69	a	76.19		86.10		90.58		88.65		71.93		67.84		47.60		33.87		60.36
1950	26.10		30.21		35.39		50.33		70.10		81.17		82.90		81.04	d	76.87		69.58		40.63		23.39		55.64
1951	23.94		31.18		35.07	a	51.45	a	76.42		77.97		84.79	b	80.29		69.47		61.35		36.80		30.90	j	57.16	a
1952	27.71		36.71	a	37.74		61.47		69.94		82.23		87.35		82.48		78.10		59.63	a	49.37		33.16		58.83
1953	30.48		32.27	b	43.39		51.83		70.90		83.80		85.65		87.16		78.50		73.10		52.47		34.77		60.36
1954	26.35		43.57		41.35		61.63		65.52		85.57		86.48		81.81		72.07		58.35		47.47		31.68		58.49
1955	26.42		27.43		37.65		65.13		74.94		76.53		88.77		88.48		76.60		61.16		36.37		24.23		56.98
1956	24.52		27.45		35.97		53.20		68.55		83.27		80.61		81.84		71.20		67.45		42.17		31.58		55.65
1957	19.97		31.86		40.87		56.00	a	65.87		77.60		84.93	a	78.73	a	69.87		58.58	g	42.10		35.68		54.86	a
1958	30.29		25.93		42.32		59.53		73.03		74.67		81.48		83.03		74.37		66.07	a	48.72	a	25.23		57.06
1959	20.29		26.36		41.48		58.67		73.80	a	80.97		82.65		84.58		74.10		53.97		35.67		38.19		55.89
1960	28.35		31.38		33.87		58.27		68.39		75.37		82.68		82.87		74.60		62.26		47.33		29.97		56.28
1961	26.87		37.00		42.84		50.97		68.19		80.67		82.68		82.90		71.93		63.48		43.77		27.19		56.54
1962	20.87		25.71		37.94		56.13		72.42		77.40		78.61		81.87		70.17		63.16		45.33		30.19		54.98
1963	15.52		25.07		44.94		60.57		67.16		80.77	d	85.97		80.97		74.57		73.94		52.00		21.16		56.88
1964	33.19		37.82	a	40.52		59.50		75.68		81.90		88.94		81.19		72.10		61.42		49.00		25.77		58.92
1965	23.48		26.29		32.68		52.10		74.10	a	79.13		82.50	a	79.84		66.60		63.52		46.63		36.65		55.29
1966	18.06		27.93		46.32		53.83		66.68		80.30		86.87		80.65		75.03		62.42		44.00		30.68		56.06
1967	28.94		26.25		43.37	a	57.37		66.39		80.53		82.87		80.39		74.60		60.61		41.83		34.33	a	56.46
1968	28.42		27.97		50.13	a	59.69	a	65.48		78.20		81.68		82.00		71.10		62.48		43.80		28.84		56.65
1969	20.10	a	30.54		37.06		60.07		70.87	a	70.66	a	82.45		84.48		74.04	b	55.84		46.73		31.42		55.35
1970	17.68		31.07		39.72	b	57.90		70.17	a	81.63		87.13		83.79	b	73.60		62.45		42.30		28.71		56.35
1971	16.52		27.18		38.19		62.27		67.39		84.70		82.00		81.74		74.97		67.19		45.67		30.84		56.55
1972	20.03		25.38		37.32		52.60		75.65		79.37		79.45		80.35		72.00		55.97		40.13		22.90		53.43
1973	27.00		32.07		50.45		54.30		64.39		82.27		85.55		82.52		73.17		69.00		44.97		27.74		57.78
1974	26.19		28.64		-----	z	59.83		66.32		77.00		88.00		80.81		70.47		61.52		46.03		33.13		57.99	a
1975	27.61		27.89		35.00		49.73		72.97		78.23		88.16		83.45		69.00		66.19		52.37		31.65		56.85
1976	24.00		38.83		44.33	a	60.67		69.23		-----	z	87.00		84.32		76.40		57.68		-----	z	24.65		56.71	b
1977	13.19	d	33.43		48.68		66.17	a	81.26		80.03		87.35		78.71		72.43		60.29		43.17	a	25.23	a	57.50
1978	16.61		23.89		40.26		56.17		72.71		80.63		81.26		82.58		79.83		59.94		45.03		27.35		55.52
1979	13.26		21.25		37.35		53.77		68.94		78.62	a	84.39		79.23		76.67		58.39		42.47		35.65		54.16
1980	25.61		29.07		39.68		60.80		75.03		79.47		87.35		81.10		71.53		55.81		47.73		27.68		56.74
1981	30.52		35.50		49.35		61.87		68.97		78.83		-----	z	80.58		72.40		58.00		48.14	a	27.45		55.60	a
1982	17.44	d	29.21		39.67	a	52.93	a	70.52		74.38	a	84.90		81.39		69.80		59.74		43.59	a	35.43	a	54.92
1983	28.47	a	35.00		43.67	a	-----	z	65.35		80.87		89.23		-----	z	-----	z	-----	z	45.71	b	17.06		50.67	d
1984	25.45		39.07	b	38.03	b	-----	z	68.84		81.37		83.39		-----	z	74.07		63.52	b	-----	z	33.50	g	59.22	d
1985	24.70	d	27.41	a	50.00	c	65.03		-----	z	78.77		85.97		80.68		-----	z	-----	z	-----	z	14.41	b	53.37	d
1986	25.34	b	23.04	a	43.00	b	61.77		-----	z	79.67		83.23		77.13		68.86	a	59.35		37.10	a	30.33	a	53.53	a
1987	28.32		39.89		47.52		68.69	a	78.37	a	87.97		89.52		-----	z	76.73		56.07	a	48.48	a	35.62	b	59.74	a
1988	24.67	a	29.67	b	45.10	a	61.13		-----	z	88.03		89.74		85.93	a	-----	z	57.66	b	46.00	c	32.23		56.02	b
1989	34.00		25.15	b	40.40	a	56.87		71.00		79.79	a	87.19		82.61		73.90		63.66	b	41.80	e	20.93	c	56.44
1990	37.63	a	35.14		45.90	a	61.50		67.90		80.23		82.83	a	81.42		77.52	a	62.33	a	51.62	a	28.50	a	59.38
1991	24.68		35.89		47.35		62.77		73.33	a	-----	z	82.32		83.03		69.82	b	60.29		35.48	a	32.52		55.23	a
1992	31.63	a	37.76		44.00	b	53.33		74.23		78.52	g	76.16		77.63	a	71.27	d	60.81		37.68	k	29.00	e	55.58	b
1993	-----	z	28.05	h	42.50	i	55.75	j	69.04	g	76.12	f	80.92	f	82.50	e	65.82	h	62.27	i	41.09	g	32.74	h	82.50	k
1994	18.95	l	24.22	e	44.00	k	61.96	f	73.68	c	83.50	d	81.33	g	79.59	d	76.62	d	66.62	g	50.04	b	36.36	f	64.61	f
1995	28.92	f	33.73	f	49.17	g	54.65	d	71.56	d	83.89	c	85.56	d	86.76	f	74.00	f	62.50	i	38.39	g	28.19	d	64.77	g
1996	25.25	g	31.05	h	41.38	g	57.25	f	66.90	a	80.31	d	82.62	b	84.17	a	75.29	b	64.55		36.92	d	27.37	a	64.76	d
1997	25.34	b	33.81	a	46.35	k	57.85	d	66.45	b	82.40		82.00	a	78.52		74.41	c	63.17	a	40.50	d	35.23	a	58.15	a
1998	30.62	e	40.89	a	42.94		64.53		79.69	b	77.96	b	85.10	b	82.86	c	81.55	a	62.94		47.56	c	39.00	b	61.30
1999	23.34	b	40.48	e	47.00	b	62.30		73.74		80.86	a	89.18	c	81.93	c	76.71	f	64.50	a	55.64	b	35.39		59.49	a
2000	28.16		41.10		54.19		62.00	a	72.73	a	78.00		83.65		82.48		74.27		65.58		40.30		17.39		58.32
2001	30.84		25.86		39.77	a	64.74	c	72.97		80.27		87.42		85.45		71.37		59.68		59.00		39.39	c	59.73
2002	37.19		39.89		38.29		58.34	a	69.81		81.70		87.84		81.52		77.76	a	53.83	a	44.67		36.35		58.93
2003	26.45		29.46		43.21	b	61.87		70.74		79.93		84.32		87.26		74.63		62.71		43.67		34.61		58.24
2004	23.10		33.57	a	47.29		65.07		71.32		77.83		82.19		77.45		77.97	a	61.17	a	48.50		32.06		58.13
2005	25.71		36.36		43.97		64.93		67.74		84.63		86.74		82.10		78.80		65.23		47.70		26.61		59.21
2006	37.52		32.25		43.58		65.37		71.61		81.77		88.74		82.45		69.63		56.83	b	47.47		38.00		59.60
2007	30.23		22.86		48.20	a	59.20		77.13		82.50		84.68		81.13		76.37		65.26		43.40		26.19		58.09
2008	23.58		25.97		40.29		57.37		69.58		79.53		84.87		83.19		75.93		62.48		44.34	a	26.03		56.10
2009	19.77		34.54		47.29		61.87		72.03		79.13		79.45		80.03		77.39	b	-----	z	-----	z	-----	z	61.28	c
2010	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2011	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2012	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2013	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2014	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	25.29		30.07		42.29		58.76		70.90		80.07		84.96		82.14		73.98		61.54		44.43		29.78		56.97
S.D.	5.92		5.51		5.29		4.75		4.36		3.76		3.45		2.86		3.60		4.57		4.76		5.49		2.09
SKEW	-0.18		0.06		0.36		-0.07		0.36		0.47		0.04		0.19		-0.03		-0.01		-0.03		-0.27		-0.09
MAX	39.26		43.57		58.45		68.69		84.20		93.47		94.67		89.87		82.77		73.94		59.00		41.77		61.76
MIN	7.48		13.45		29.65		47.20		59.71		70.66		76.16		74.20		63.79		48.26		32.69		14.41		52.32
YRS	109		109		105		106		105		106		105		103		103		104		105		104		82