SPOONER AG RESEARCH STATION, WI

Maximum of Maximum Temperature (Degrees Fahrenheit)

(478027)

File last updated on April 15, 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
1894	-----	z	-----	z	-----	z	-----	z	-----	z	98.00		102.00	q	-----	z	91.00	a	70.00		51.00	b	46.00	d	-----	z
1895	34.00	b	61.00	b	55.00	b	78.00		97.00		88.00		94.00		91.00		90.00		70.00	a	64.00	b	47.00	b	97.00	k
1896	40.00	d	51.00	d	51.00	c	76.00	a	89.00		96.00	a	98.00		99.00		79.00		74.00		50.00	a	43.00	b	99.00	p
1897	46.00	c	35.00	b	60.00		82.00	a	90.00		98.00		97.00		88.00		95.00	a	88.00	a	64.00		48.00		98.00	h
1898	39.00	a	47.00	a	59.00		73.00	b	83.00	a	92.00	b	99.00		99.00		99.00		81.00	a	58.00	b	38.00	a	99.00	k
1899	45.00	e	55.00	a	40.00	a	89.00		83.00	a	93.00		95.00		93.00		88.00		82.00		69.00	i	56.00	c	95.00	t
1900	51.00	a	39.00	a	62.00	a	81.00		91.00	a	100.00		92.00	a	-----	z	77.00	q	82.00	b	62.00		42.00	a	-----	z
1901	41.00	g	38.00	a	46.00	f	82.00	c	85.00	i	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	40.00	i	-----	z	64.00	a	86.00	c	82.00	a	87.00	a	86.00	b	-----	z	-----	z	47.00	p	39.00	i	-----	z
1903	36.00	d	41.00	e	59.00	c	74.00	d	88.00	b	-----	z	-----	z	-----	z	-----	z	76.00	d	74.00	d	38.00	c	-----	z
1904	37.00	p	34.00		45.00		74.00		89.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	47.00	a	-----	z
1905	37.00		49.00	a	69.00	d	77.00	a	84.00	a	90.00	f	96.00	h	90.00	q	85.00	a	80.00	d	57.00	a	42.00	a	-----	z
1906	43.00		46.00	b	48.00	b	-----	z	84.00	f	-----	z	-----	z	-----	z	90.00	g	75.00	a	59.00	a	38.00		-----	z
1907	38.00		43.00		53.00		63.00		79.00		93.00		86.00		90.00		81.00		71.00	a	51.00		51.00		93.00	a
1908	47.00		44.00		55.00		80.00		86.00	a	90.00		92.00	b	88.00	a	91.00		78.00		57.00		41.00		92.00	d
1909	41.00		36.00		45.00		61.00		84.00		90.00		87.00		88.00	a	77.00		80.00		63.00		51.00		90.00	a
1910	34.00		38.00		79.00		79.00		78.00		99.00		94.00		91.00		83.00		82.00		42.00		38.00		99.00
1911	38.00	j	42.00		69.00		77.00		90.00		96.00		96.00		88.00	a	83.00		71.00		43.00		41.00		96.00	k
1912	26.00	a	36.00	a	50.00		75.00		80.00		92.00		92.00		85.00		90.00		82.00		56.00		47.00		92.00	b
1913	38.00		44.00		50.00		88.00		88.00		96.00		95.00		96.00		92.00		76.00	a	61.00		53.00		96.00	a
1914	39.00		43.00		54.00		71.00		90.00		85.00		92.00		87.00	b	83.00		75.00		58.00		47.00	a	92.00	c
1915	40.00	a	52.00		55.00		81.00		82.00		82.00	b	86.00	b	83.00	c	84.00		70.00		62.00	e	43.00		86.00	m
1916	42.00		46.00		57.00		66.00		77.00		80.00		94.00	a	92.00		82.00		77.00		67.00		51.00	a	94.00	b
1917	37.00		38.00	d	46.00		70.00		83.00	a	87.00		95.00	a	86.00		81.00		61.00		65.00		36.00		95.00	f
1918	25.00		45.00		65.00	a	70.00		88.00	a	87.00		93.00	a	89.00	c	78.00	b	79.00	a	57.00		45.00		93.00	i
1919	39.00	a	39.00		57.00	b	73.00	b	89.00		89.00		89.00	a	83.00		85.00	b	74.00		55.00		37.00	c	89.00	k
1920	36.00		32.00		69.00	a	64.00		82.00		91.00	a	85.00		92.00		87.00		77.00		50.00		44.00		92.00	b
1921	44.00	a	51.00		64.00		79.00		88.00		95.00	d	96.00	a	91.00		88.00		75.00	a	57.00	c	42.00		96.00	j
1922	35.00	a	39.00		49.00		69.00		87.00		92.00	b	84.00		92.00		84.00		86.00		61.00	a	54.00	a	92.00	e
1923	39.00	a	44.00	a	52.00		80.00		86.00		90.00		93.00		87.00		83.00	d	80.00		59.00		51.00	b	93.00	h
1924	41.00		46.00		45.00	a	69.00	b	75.00		81.00		86.00		88.00		75.00	a	76.00		69.00		38.00	b	88.00	f
1925	38.00		46.00		65.00		82.00		90.00		90.00		92.00		91.00	b	93.00		62.00		57.00		40.00		93.00	b
1926	37.00		42.00	b	55.00		76.00	b	86.00		87.00		93.00		88.00		80.00	a	69.00		48.00		36.00		93.00	e
1927	40.00		46.00		63.00		76.00		79.00		91.00		88.00		82.00	a	90.00		72.00		50.00		36.00	a	91.00	b
1928	42.00		40.00		67.00		73.00		80.00	a	83.00		88.00		90.00		78.00		85.00		57.00		43.00		90.00	a
1929	25.00		33.00		59.00		75.00		84.00		88.00		96.00		92.00		97.00		82.00		55.00	a	45.00		97.00	a
1930	39.00		56.00		67.00		76.00		85.00		87.00		96.00		98.00		87.00		81.00		65.00		44.00		98.00
1931	42.00	a	58.00		50.00	a	81.00		89.00		98.00		102.00		93.00		98.00		80.00		70.00		47.00		102.00	b
1932	40.00		55.00		49.00	a	81.00	a	94.00		97.00		98.00		95.00		85.00		79.00		60.00		45.00		98.00	b
1933	40.00		50.00	a	50.00	d	73.00		85.00		100.00		99.00		93.00		90.00		73.00	a	72.00		43.00		100.00	f
1934	39.00		42.00		56.00		89.00		104.00		99.00		105.00		97.00	a	79.00		77.00	a	64.00		36.00		105.00	b
1935	36.00		44.00		52.00		75.00		79.00		86.00		95.00		90.00		88.00		72.00		41.00		37.00		95.00
1936	35.00		38.00		47.00		72.00	a	91.00		91.00		110.00		101.00		89.00		76.00		55.00		45.00		110.00	a
1937	33.00		41.00		49.00		66.00		91.00		90.00		99.00	a	95.00	a	92.00	a	73.00	b	58.00		38.00	b	99.00	g
1938	42.00		43.00		70.00		79.00		81.00		94.00		91.00		95.00		85.00		84.00		69.00		37.00		95.00
1939	42.00		41.00		68.00	a	82.00		91.00		92.00		94.00	b	96.00		92.00		74.00		62.00		54.00		96.00	c
1940	30.00	a	34.00	a	49.00	a	73.00		87.00	a	89.00		98.00		91.00	a	90.00	a	76.00		57.00		40.00		98.00	f
1941	35.00		38.00		43.00		78.00		87.00		92.00		95.00	a	95.00		85.00		71.00		65.00		51.00		95.00	a
1942	52.00	b	41.00		51.00		82.00		83.00		86.00		94.00		94.00	e	86.00	b	79.00		61.00		33.00		94.00	i
1943	33.00	a	48.00		68.00		77.00		84.00		92.00		97.00		92.00		85.00		80.00		44.00		41.00		97.00	a
1944	50.00		48.00		48.00	a	72.00		89.00		90.00		88.00		94.00		85.00		73.00		72.00	a	35.00		94.00	b
1945	38.00		45.00		75.00		74.00		81.00		87.00		94.00		89.00		90.00		79.00		55.00		44.00		94.00
1946	43.00		44.00		81.00		81.00		87.00		86.00		93.00		94.00		89.00	a	76.00		56.00		49.00		94.00	a
1947	44.00		44.00		50.00		76.00		79.00		90.00		96.00		104.00		93.00		87.00		58.00		38.00	a	104.00	a
1948	37.00	a	46.00		65.00	b	77.00		88.00	a	92.00		98.00		98.00		93.00	a	75.00		69.00		46.00		98.00	e
1949	42.00		42.00		51.00		80.00		92.00	b	99.00	a	98.00	a	93.00	a	81.00	c	77.00		68.00	b	49.00	a	99.00	k
1950	38.00	a	38.00		46.00	a	64.00		89.00	a	93.00		88.00	a	96.00	b	86.00	b	83.00		64.00		37.00	b	96.00	j
1951	38.00		44.00		46.00	a	81.00		83.00		83.00		89.00		83.00		80.00	a	76.00		51.00		55.00		89.00	b
1952	43.00		42.00		47.00		90.00		88.00		90.00		91.00		87.00		89.00	a	71.00		60.00	a	42.00		91.00	b
1953	36.00		36.00		56.00		67.00	a	88.00		89.00		92.00		91.00		91.00	b	87.00		69.00	a	45.00		92.00	d
1954	36.00		51.00		48.00		73.00		81.00		89.00		90.00		87.00		83.00	a	70.00		60.00		39.00		90.00	a
1955	35.00	a	40.00		66.00		79.00		88.00		94.00		99.00		96.00		88.00		80.00		47.00		34.00		99.00	a
1956	37.00		39.00		49.00		61.00		83.00		95.00		86.00		87.00		82.00		83.00		65.00		40.00		95.00
1957	36.00		40.00		52.00		85.00		82.00		88.00		93.00		91.00		87.00		75.00		53.00	f	44.00		93.00	f
1958	42.00		55.00		56.00		79.00		84.00		88.00		86.00	a	91.00		81.00		76.00		61.00		40.00		91.00	a
1959	38.00		40.00		61.00		68.00		92.00		91.00		90.00		91.00		88.00		71.00		50.00		44.00		92.00
1960	38.00		38.00		56.00		83.00		80.00		82.00		93.00		90.00		90.00		78.00		57.00		49.00		93.00
1961	43.00		51.00		58.00		67.00		83.00		91.00		90.00		93.00		90.00		80.00		61.00		51.00		93.00
1962	44.00		40.00		54.00		85.00	a	86.00		89.00		86.00		89.00		81.00		80.00		54.00		58.00		89.00	a
1963	38.00		38.00		71.00		74.00		85.00		96.00		93.00		92.00		82.00		82.00		59.00		41.00		96.00
1964	43.00		47.00		47.00		82.00		89.00		92.00		98.00		94.00		81.00	a	77.00		63.00		35.00	a	98.00	b
1965	40.00		44.00		39.00		80.00	c	83.00		86.00		92.00		92.00	a	77.00		79.00		65.00	b	43.00		92.00	f
1966	31.00		46.00		65.00		69.00		86.00		92.00		93.00	a	89.00	b	86.00		81.00		55.00		40.00	a	93.00	d
1967	40.00		36.00		71.00		68.00		85.00		84.00		91.00		85.00		80.00		81.00		55.00		50.00		91.00
1968	46.00		43.00		72.00	a	78.00		82.00	a	90.00		89.00	a	92.00		80.00	a	81.00		58.00		42.00		92.00	d
1969	35.00		42.00	b	51.00		72.00	b	91.00		85.00		90.00		91.00		88.00		81.00		64.00		43.00	k	91.00	o
1970	37.00		44.00		47.00		86.00		84.00		93.00		91.00	a	91.00		86.00		76.00	a	54.00		49.00		93.00	b
1971	33.00		46.00		50.00		77.00		76.00		92.00		87.00		89.00		87.00		79.00		57.00		35.00		92.00
1972	37.00	b	35.00		55.00		72.00		86.00		87.00		89.00		90.00		80.00		69.00		52.00		36.00		90.00	b
1973	57.00		43.00		61.00		73.00		78.00		87.00		93.00		91.00		83.00		76.00		54.00		38.00		93.00
1974	43.00		50.00		53.00		79.00		82.00	b	85.00	c	98.00	a	86.00		78.00	a	76.00		62.00		44.00		98.00	g
1975	37.00		42.00		50.00		60.00		86.00		87.00		95.00		93.00		81.00		85.00	a	73.00		43.00		95.00	a
1976	40.00		56.00		60.00		76.00	a	82.00		91.00		93.00		95.00		95.00		84.00		54.00		43.00		95.00	a
1977	31.00		50.00		63.00		83.00		88.00		89.00		92.00		87.00		77.00		69.00		62.00		41.00		92.00
1978	32.00		32.00		62.00	a	73.00		90.00		89.00		87.00		90.00		91.00	a	74.00		74.00		40.00		91.00	b
1979	27.00		46.00		49.00		74.00		82.00		85.00		88.00		86.00		86.00		70.00		60.00		45.00		88.00
1980	41.00		39.00		54.00		90.00		89.00		89.00		96.00		88.00		83.00		80.00		58.00		44.00		96.00
1981	54.00		58.00		67.00		70.00		80.00	a	83.00		90.00		87.00		84.00		65.00		67.00		37.00		90.00	a
1982	35.00		45.00		56.00		74.00	a	82.00	a	82.00		92.00	a	93.00		83.00		73.00		59.00	a	58.00		93.00	d
1983	38.00	a	46.00		55.00		73.00		75.00		88.00		91.00		91.00	a	89.00		76.00		57.00		30.00		91.00	b
1984	44.00		50.00		52.00		76.00		80.00	a	86.00		87.00		90.00		85.00	a	70.00		58.00		48.00	a	90.00	c
1985	37.00	a	50.00		60.00		82.00		80.00		91.00	a	89.00		85.00		84.00		70.00	a	53.00		39.00		91.00	c
1986	44.00		36.00	a	79.00		78.00		88.00	a	91.00		95.00	b	86.00		83.00		75.00	a	54.00		38.00		95.00	e
1987	46.00		50.00		72.00		85.00		85.00		94.00		90.00		90.00		83.00		71.00		58.00		41.00		94.00
1988	43.00	b	48.00		50.00		75.00		88.00		92.00	a	101.00	a	97.00		82.00		72.00		51.00		45.00		101.00	d
1989	46.00		36.00		62.00		74.00		80.00		85.00		92.00		94.00		79.00		78.00		-----	z	38.00		-----	z
1990	48.00		43.00		63.00		83.00		85.00		87.00		96.00		86.00		85.00		78.00		69.00		50.00		96.00
1991	41.00		54.00		70.00		83.00		88.00		90.00		88.00		92.00		89.00		75.00		51.00		41.00		92.00
1992	38.00		48.00		57.00		74.00		87.00	a	90.00		81.00		92.00		77.00	a	86.00		49.00		37.00		92.00	b
1993	49.00		47.00	a	64.00		71.00		82.00	a	84.00		85.00		88.00		77.00		77.00		52.00		43.00		88.00	b
1994	28.00		50.00		62.00		82.00		85.00		92.00		86.00		88.00		81.00		71.00		57.00		49.00		92.00
1995	42.00		44.00		62.00		61.00		81.00		93.00		95.00		87.00		84.00		82.00		43.00		39.00		95.00
1996	41.00		49.00		52.00		68.00		83.00		90.00		84.00		89.00		84.00		76.00		53.00		35.00		90.00
1997	37.00		49.00		59.00		69.00		83.00		91.00		89.00		88.00		82.00		81.00		51.00		47.00	a	91.00	a
1998	42.00		51.00	a	67.00		77.00		89.00		85.00		91.00		87.00		89.00		71.00		63.00		60.00		91.00	a
1999	45.00		48.00		67.00		78.00		84.00		87.00		96.00		90.00		87.00		72.00		70.00		50.00		96.00
2000	39.00		61.00		74.00		74.00		86.00		88.00		88.00		87.00		84.00	a	82.00		64.00	b	33.00		88.00	c
2001	40.00		33.00		51.00		80.00		90.00		92.00		94.00	a	95.00		81.00		76.00		68.00		58.00		95.00	a
2002	48.00		49.00		47.00		87.00		88.00		92.00		91.00		85.00		88.00		76.00		62.00		46.00		92.00
2003	50.00		45.00		62.00		85.00		80.00		85.00		89.00		93.00		92.00		78.00		56.00		43.00	a	93.00	a
2004	35.00		51.00		63.00		80.00		79.00		89.00		92.00		83.00		86.00		76.00		65.00		45.00		92.00
2005	38.00		51.00		67.00		81.00		78.00		92.00		94.00		98.00		91.00		81.00		63.00		42.00		98.00
2006	48.00		39.00		53.00		77.00		92.00		88.00		100.00		99.00		83.00		81.00		63.00		45.00		100.00
2007	39.00		51.00		81.00		84.00		90.00		90.00		93.00		91.00		90.00		85.00		56.00	a	36.00		93.00	a
2008	44.00		39.00		51.00		76.00		76.00		84.00		89.00		89.00		86.00		75.00		73.00		40.00		89.00
2009	27.00		46.00		63.00		76.00		89.00		93.00		88.00		89.00		85.00		59.00		63.00		44.00		93.00
2010	36.00		40.00		71.00		78.00		90.00		86.00		87.00		90.00		84.00		80.00		67.00		42.00		90.00
2011	31.00		48.00		55.00		76.00		80.00		96.00		97.00		87.00		89.00		82.00		61.00		47.00		97.00
2012	52.00		43.00		78.00		74.00		87.00		87.00		94.00		92.00		91.00		75.00		60.00		53.00		94.00
2013	40.00		41.00		49.00		72.00		86.00		84.00		93.00		96.00		90.00		75.00		53.00		38.00		96.00
2014	37.00		43.00		54.00		72.00		85.00		84.00		88.00		84.00		80.00		67.00		53.00		46.00		88.00
2015	38.00		34.00		61.00		74.00		83.00		83.00		86.00		90.00		86.00		80.00		70.00		47.00		90.00
2016	43.00		56.00		69.00		78.00		89.00		89.00		91.00		87.00		79.00		73.00		71.00		40.00		91.00
2017	44.00		58.00		64.00		70.00		77.00		91.00		87.00		86.00		86.00		76.00		53.00		52.00		91.00
2018	46.00		46.00		52.00		67.00		93.00		94.00		89.00		90.00		86.00		70.00		48.00		46.00		94.00
2019	42.00		36.00		59.00		73.00		89.00		88.00		89.00		87.00		83.00		75.00		46.00		40.00		89.00
2020	34.00		45.00		54.00		70.00		82.00		90.00		91.00		88.00		83.00		77.00		74.00		48.00		91.00
2021	36.00		43.00		65.00		81.00		84.00		95.00		91.00		90.00		85.00		82.00		64.00		58.00		95.00
2022	37.00		43.00		55.00		69.00		84.00		94.00		90.00		85.00		85.00		76.00		73.00		38.00		94.00
2023	36.00		44.00		45.00		82.00		83.00		90.00		93.00		93.00		92.00		86.00		66.00		52.00		93.00
2024	39.00		57.00		66.00		58.00	v	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	39.48		44.47		57.89		75.84		85.15		89.79		92.13		90.56		85.51		76.63		59.23		43.61		93.57
S.D.	5.74		6.42		9.20		6.44		4.69		4.36		4.59		4.11		4.85		5.37		7.48		6.13		3.81
SKEW	0.11		0.34		0.43		-0.19		0.35		0.17		0.57		0.46		0.26		-0.45		-0.08		0.47		1.46
MAX	57.00		61.00		81.00		90.00		104.00		100.00		110.00		104.00		99.00		88.00		74.00		60.00		110.00
MIN	25.00		32.00		39.00		60.00		75.00		80.00		81.00		82.00		75.00		59.00		41.00		30.00		88.00
YRS	126		129		128		128		127		125		124		123		124		127		124		127		94