MADISON WWTP, MN

Average of Minimum Temperature (Degrees Fahrenheit)

(214994)

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
1940	-----	z	-----	z	-----	z	-----	z	43.84		54.80		62.55		57.55		52.97		41.71		18.17		14.32		43.24	d
1941	6.90		6.79		21.52		40.43		49.68		57.17		62.32		58.58		49.70		37.90		23.00		13.23		35.60
1942	9.26		8.64		24.61		34.47		42.45		52.63		57.52		57.97		43.87		33.87		19.77		1.39		32.20
1943	-----	z	-----	z	-----	z	-----	z	52.64	t	59.43		65.32		-----	z	47.27		36.00		23.87		12.94		40.80	f
1944	16.26		7.76		15.71		31.77		50.65		57.60		59.68		59.19		49.63		37.84		29.53		11.16		35.56
1945	7.61		9.11		28.03		31.17		39.68		51.53		58.19		58.87		47.93		35.23		20.53		1.87		32.48
1946	1.90		4.07		30.06		38.57		42.10		55.47		61.48		55.52		48.00		37.32		21.03		10.94		33.87
1947	12.48		4.96		20.23		34.07		41.52		53.70		60.10		65.48		50.20		45.58		18.13		7.77		34.52
1948	-1.23		3.52		15.06		37.40		46.19		55.10		62.16		59.55		53.93		38.52		26.20		9.84		33.85
1949	1.10		1.57		20.61		34.57		48.90		57.80		62.32		61.48		46.13		39.74		28.47		7.87		34.21
1950	-7.32		7.21		16.03		28.47		43.45		55.70		56.97		54.10		50.10		39.97	a	17.83		3.19		30.48
1951	-1.55		11.11		9.16		33.03		49.13		51.57		60.13		58.35		46.37		37.19		17.70		4.45		31.39
1952	0.74		13.41		13.58		36.47		46.23		57.20		61.23		57.45		51.73	d	31.81		23.43		13.57	a	33.90
1953	6.26		10.43		21.97		31.37		45.77		58.20		61.26		62.39		48.60		43.23		27.37		8.80	a	35.47
1954	-4.06		22.71		19.55		33.93		40.90		57.93		61.42		57.55		49.80		36.81		27.10		14.71		34.86
1955	5.26		0.79		13.94		38.27		49.39		54.70		64.61		61.90		46.97		37.42		13.13		-0.52		32.15
1956	-0.71		1.72		15.39		28.10		46.16		60.90		58.03		58.77		45.00		42.03		21.50	b	14.13		32.59
1957	-2.84		9.07		19.61		32.93		45.06		54.07		65.45		59.48		46.70		39.10		25.07		16.29		34.17
1958	12.29		3.04		21.84		34.17		46.94		51.00		58.06		58.39		50.57		38.29		22.17		4.13		33.41
1959	-0.74		2.14		22.00		30.83		46.39		57.47		57.48		60.26		47.40		32.93	a	15.83		22.35		32.86
1960	5.06		7.00		8.10		35.03		45.19		53.10		61.71		60.52		51.70		37.77		24.50		8.06		33.15
1961	4.74		14.00		26.35		27.60		42.10		55.70		57.61		60.71		47.67		36.65		21.07		3.55		33.15
1962	-1.23		4.54		17.00	a	30.33		48.48		56.20		59.27	a	58.68		46.60		39.90		28.48	a	10.74		33.25
1963	-5.03		5.00		24.74		35.30		45.32		58.07		60.39		57.97		51.10		45.74		25.30		2.81		33.89
1964	10.00		11.21		11.90		35.47		48.19		55.07		62.84		54.84		45.57		35.45		21.55	a	-----	z	35.64	a
1965	-2.74		2.18		8.84		34.90		47.94		55.97		60.29		57.10		42.93		39.39		21.30		18.52		32.22
1966	-7.32		3.61		25.32		30.57		41.52		55.67		62.97		55.61		46.43		35.94		18.07		8.74		31.43
1967	3.74		-2.29		23.48		34.43		40.55		56.23		56.61		54.03		46.80		33.83	b	23.03		10.81		31.77
1968	4.90	a	1.38		27.00		35.23		42.35		55.87		58.65		58.23		48.20		37.45		26.23		7.06		33.55
1969	-3.71		8.68		8.71		34.50	j	48.32		49.27		60.00		59.67	a	47.80		35.16		24.37		11.06		31.76	a
1970	-5.84		4.89		15.94		32.33		45.55		58.20		59.39		59.10		48.03		36.68		23.27		6.68		32.02
1971	-2.00		7.64		21.45		30.93		39.90		59.10		55.23		53.48		47.03		38.80	a	22.27		5.26		31.59
1972	-0.52	b	0.03		19.35		32.10		49.90		55.63		58.19		59.32		45.83		33.87		24.60		1.23		31.63
1973	7.81		14.11		30.90		32.50		44.03		56.67		59.52		60.39		48.13		41.87		24.47		7.61		35.67
1974	-0.23		7.14		18.61		34.30		43.61		53.03		61.29		52.13		40.48	a	35.19		22.43		12.03		31.67
1975	2.35		2.64		13.06		30.60		43.06		51.73		61.16		57.55		42.73		36.16		22.50		10.16		31.14
1976	0.58		16.90		20.87		36.20		42.65		55.73		62.63	a	60.52		45.13		29.39		16.10		1.93	a	32.39
1977	-9.80	a	14.96	a	24.90		39.20		52.35		57.64	b	61.65		52.84		49.50		34.48		23.07	a	10.14	i	36.44	a
1978	-5.68		2.36		18.68		35.27		49.55		56.17		60.68		58.26		54.07		37.65		20.47		6.03	a	32.79
1979	-7.90		-6.44	a	16.61		31.03		41.87		53.07		58.71		-----	z	-----	z	31.87		18.07		15.84		25.27	b
1980	6.52		6.69		16.32		-----	z	45.29		54.80		58.13		55.61		44.63		35.74		24.23		7.65		32.33	a
1981	4.55		11.93		24.23		35.23		43.45	b	53.13		58.97		58.29		47.27		37.03		27.53		5.42		33.92
1982	-10.94		5.36		21.61		31.03		49.10		49.13		61.13		54.52		48.00		37.16		19.23		15.81		31.76
1983	9.52		18.07		24.55		30.55	a	39.52		56.70		63.71		61.26		48.13		38.55		27.00		-7.71		34.15
1984	5.26		19.34		15.42		37.40		45.55		57.47		60.19		59.84		43.23		40.10		23.53		6.81		34.51
1985	-3.13	a	4.32		26.10		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	9.09	i
1986	9.87	a	5.37	a	-----	z	36.40		47.00		58.03		62.61		-----	z	48.47		36.45		17.77		13.32		33.53	b
1987	10.68		21.07		25.13		39.13		50.48		59.90		63.29		56.45		-----	z	-----	z	-----	z	18.97	a	38.34	c
1988	1.39		5.28		24.61		33.23		50.81		62.37		64.87		61.90	a	-----	z	-----	z	23.97		13.10		34.15	b
1989	12.30	a	0.75		17.23		34.83		47.83	a	57.33		64.23		61.32		50.13		37.10		19.47		2.61		33.76
1990	17.74		11.61		24.74		33.17		45.55		60.97		59.71		60.19		50.73		34.58		24.47		4.93	a	35.70
1991	3.19		15.36		22.00		36.80		51.58		61.73		61.61		60.77		49.40		35.35		17.70		14.52		35.84
1992	14.23		21.76		26.29		32.13		46.94		53.40		55.26		53.68		47.80		34.74		23.53		7.35		34.76
1993	-0.14	b	3.82		19.19		32.73		46.35		54.23		60.29		59.39		44.23		35.00		19.50		9.74		32.03
1994	-7.65		-1.52	a	24.87		33.57		49.00		57.57		58.48		56.16		51.43		40.87		27.10		15.23		33.76
1995	8.87		11.18		22.68		31.53		46.37	a	62.93		63.65		64.06		49.76	a	39.65		20.17		12.28	b	36.09
1996	-1.26		10.28		16.52		31.47		45.23		60.90		61.48		-----	z	-----	z	39.29		-----	z	5.32		29.91	c
1997	-1.20	a	11.61		18.30	a	32.10		43.45		61.30		62.13		57.90		51.37		37.83	a	20.07	a	21.00		34.65
1998	8.68		22.32		20.74		36.37		51.32		54.87		59.90		58.71		52.03		40.68		26.80		15.26		37.31
1999	2.48		19.25		24.06		35.63		49.29		57.31	a	62.83	b	58.29	c	46.88	f	33.52	h	27.73	d	9.97		34.68	b
2000	-2.10		16.72	d	24.42		29.67		45.71		52.10		58.94		54.90		42.13		36.16		17.33		-8.52		30.62
2001	1.97		-9.39		10.03		32.77		46.65		54.80		60.19		56.90		46.60		31.90		29.07		11.81		31.11
2002	8.87		16.64		6.48		-----	z	38.03		57.20		-----	z	-----	z	48.33		28.19		21.63		13.65		26.56	c
2003	3.39		-0.61		16.27	a	33.20		44.84		57.52	a	62.13		60.87	a	-----	z	36.23		18.55	a	13.39		31.43	a
2004	-0.13		8.34		25.17	a	33.93		44.52		-----	z	58.74		52.10		52.13		37.03		26.57		13.10		31.95	a
2005	1.58		13.57		-----	z	36.77		-----	z	60.83		61.45		56.81		51.97		35.97		24.33		10.19		35.35	b
2006	18.48		4.82		23.42		38.97		48.81		56.77		62.58		59.84		46.97		32.52		20.13		15.84		35.76
2007	7.77		2.18		24.74		31.97		51.48		59.37		61.74		57.81		48.30		41.10		23.20		4.52		34.51
2008	-0.52		2.03		16.58		30.30		43.87		56.27		60.90		57.90		48.27		36.06		24.40		-1.94		31.18
2009	-5.45		6.14		17.55		32.40		43.23		54.83		55.81		56.16		51.13		34.39		29.47		5.00		31.72
2010	-0.29		1.32		26.87		39.43		46.65		57.40		61.84		59.90		47.23		38.03		22.70		4.00		33.76
2011	-4.06		2.65	b	12.29		35.50		45.45		57.44	c	66.65		58.90		46.83		38.68		21.77		16.00		33.18
2012	11.10		13.31		30.97		37.57		50.48		58.40		65.74		55.58		42.73		32.45		22.50		7.52		35.70
2013	2.81		2.36		10.26		26.33		45.00		57.17		61.71		58.10		52.30		36.26		18.00		-0.55		30.81
2014	-4.81		-3.32		15.13		30.00		45.77		58.70		58.94		59.48		49.23		36.39		13.23		14.45		31.10
2015	9.29		-1.00		22.55		33.07		46.39		58.23		60.71		57.10		55.77		39.84		30.37		18.10		35.87
2016	6.77		16.93		29.87		35.50		48.10		60.00		61.24	b	59.32	c	51.90		38.35		31.53		7.58		37.26
2017	8.26		18.79		20.48		35.27		45.81		57.13		60.97		56.19		51.40		36.81		20.87		9.55		35.13
2018	4.16		-1.57		20.19		23.40		51.16		61.87		60.94		58.61		51.27		31.81		17.07		13.27	a	32.68
2019	0.35		-5.00		14.29		33.43		43.42		57.63		63.32		57.10		52.73		33.61		20.37		9.94		31.77
2020	5.74		5.52		24.13		29.28	a	45.84		60.37		61.45		59.35		47.13		30.52		25.80		13.19		34.03
2021	13.81		0.14		27.10		32.17		45.06		59.13		61.84		59.63	d	49.17		41.06		24.17		10.81		35.34
2022	-5.10		0.11		19.81		28.67		47.19		58.60		60.94		58.16		48.83		35.23		21.93		6.23		31.72
2023	5.45		4.29		10.06		29.47		48.39		60.60		56.80	a	58.94		52.17		37.90		22.83		22.29		34.10
2024	9.29		20.52		20.32		35.56	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	16.71	i
Period of Record Statistics
MEAN	2.85		7.31		19.93		33.41		45.96		56.69		60.77		58.23		48.44		36.90		22.58		9.40		33.44
S.D.	6.57		7.17		5.77		3.23		3.21		2.95		2.39		2.55		3.02		3.27		3.91		6.04		1.70
SKEW	0.19		0.33		-0.32		-0.21		-0.15		-0.26		-0.06		-0.18		-0.19		0.05		-0.04		-0.40		0.22
MAX	18.48		22.71		30.97		40.43		52.35		62.93		66.65		65.48		55.77		45.74		31.53		22.35		37.31
MIN	-10.94		-9.39		6.48		23.40		38.03		49.13		55.23		52.10		40.48		28.19		13.13		-8.52		30.48
YRS	83		83		81		78		81		82		82		78		77		80		81		81		67