MADISON WWTP, MN

Average of Average Temperature (Degrees Fahrenheit)

(214994)

File last updated on April 18, 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	58.79		68.80		76.32		68.73		66.27		55.60		26.38		22.73		55.45	d
1941	16.00		16.29		30.21		49.97		63.19		68.18		74.98		71.60		63.40		49.77		34.12		24.84		46.88
1942	20.71		19.80		34.79		50.12		53.26		63.92		70.79		69.89		55.57		47.73		32.45		12.94		44.33
1943	-----	z	-----	z	-----	z	-----	z	63.41	t	69.83		76.39		-----	z	59.65		50.02		31.30		25.00		52.03	f
1944	28.32		19.74		24.42		42.05		61.39		69.32		71.71		70.85		61.40		51.94		35.97		20.71		46.48
1945	15.97		19.73		39.97		42.73		52.94		61.93		70.55		70.92		59.18		49.27		29.80		10.92		43.66
1946	13.71		15.95		39.42		51.82		54.68		67.73		73.00		68.27		59.75		48.24		30.90		19.90		45.28
1947	23.26		14.16		28.66		42.52		53.29		63.83		72.34		77.40		62.35		57.60		26.63		17.19		44.94
1948	9.82		14.00		25.42		49.67		58.95		66.02		74.39		71.53		66.47		50.74		33.78		18.82		44.97
1949	10.13		13.09		29.85		48.07		62.47		70.38		74.56		74.82		58.62		50.81		38.72		18.40		45.83
1950	3.11		18.18		25.61		36.35		54.35		69.28		69.60		67.10		62.98		52.10	a	28.18		13.44		41.69
1951	8.61		20.45		18.16		41.53		60.87		62.90		71.63		68.26		56.92		47.81		27.02		13.55		41.48
1952	11.68		21.91		22.24		48.30		58.35		69.65		73.60		70.29		65.73	d	45.82		34.50		21.55	a	45.30
1953	15.76		19.70		31.48		41.20		57.61		69.53		72.87		73.53		62.08		56.58		38.02		19.78	a	46.51
1954	6.66		32.30		27.56		46.00		53.15		68.82		74.03		70.13		60.22		47.16		38.88		23.63		45.71
1955	15.74		12.16		26.24		53.32		63.90		66.52		76.90		74.37		61.23		51.27		23.30		9.68		44.55
1956	9.82		13.03		25.44		40.18		58.63		73.08		69.79		70.65		59.17		56.63		31.88	b	24.73		44.42
1957	8.79		20.41		30.61		45.38		56.52		66.20		77.47		70.37		59.13		48.08	a	33.47		26.02		45.20
1958	21.98		14.38		30.53		46.98		62.42		63.37		70.03		73.10		63.72		52.44		34.42		15.53		45.74
1959	9.73		14.14		34.44		45.65		58.87		71.72		73.52		74.87		61.62		43.38	a	24.69	a	30.05		45.22
1960	14.35		15.90		18.45		45.03		58.18		65.75		74.79		72.85		63.47		51.24		36.02	b	18.34		44.53
1961	16.11		25.14		35.92		41.14	a	55.47		70.40		70.87		74.58		60.00		50.97		32.37		13.68		45.55
1962	10.13		14.11		25.77	a	43.27		60.05		67.75		70.23	a	72.32		59.32		52.73		39.45	a	22.10		44.77
1963	6.92		17.61		36.31		48.60		57.77		70.32		72.47		70.29		64.02		60.10		37.98		12.56		46.25
1964	21.79		25.21		23.69		47.97		62.73		69.23		76.15		68.10		59.52		50.55		35.89	c	-----	z	49.16	a
1965	9.22	d	13.77		18.29		44.22		59.82		67.60		72.06		69.90		52.86	a	53.32		33.40		27.82	a	43.52
1966	2.65		14.71		36.13		40.58		55.13		68.27		76.37		67.87		60.12		49.87		29.15		18.73		43.30
1967	16.08	a	11.02		34.19		46.27		54.35	a	66.65		70.13		68.31		61.20		47.40	b	34.30		21.44		44.28
1968	15.75	a	13.10		41.68		48.28		54.60		68.62		71.05		71.37		60.67		50.24		35.03		15.23		45.47
1969	5.72	a	17.89		20.19		43.25	j	60.60		61.12		71.98		73.25	a	61.77		45.58	a	34.68		19.26		42.91	a
1970	4.58	a	16.50		25.16		44.02		59.32		70.15		73.45	a	71.87		61.82		48.21		30.68		16.66		43.54
1971	7.84		17.84		31.44		46.60		55.47		70.70		67.97		69.84		61.27		50.98	a	31.67		15.97	a	43.96
1972	9.45	b	12.05	a	29.15		42.82		60.60	a	68.17		70.47		70.74		59.72		46.44		31.85		11.27		42.73
1973	17.42		23.12		39.35		45.03		57.44		70.10		72.53		73.27		60.07		55.47		34.48		16.26		47.05
1974	10.29		18.48		28.50		47.42		55.56		67.62		75.98		66.52		58.23	j	51.34		33.00		23.06		43.43	a
1975	13.90	a	13.11		24.08		38.00		59.00		66.25		76.31		71.00		57.90		51.85		34.18		19.29		43.74
1976	12.44		27.53		32.56		51.60		58.85		71.62	a	77.87	a	76.13		62.97		43.74		28.20		14.32	c	46.49
1977	0.77	a	24.96	b	35.34		53.88	a	66.92		69.56	c	75.84		66.10		62.18		48.56		31.38	a	17.43	j	48.68	a
1978	3.74		10.33	a	28.56		44.24	a	60.74		67.93		72.55		71.68		67.05		51.39		31.00		15.47	a	43.72
1979	1.23		5.37	a	25.29		39.67	a	53.98		67.14	a	70.74		-----	z	-----	z	46.20	c	29.72		26.89		36.62	b
1980	15.90		15.81		26.52		-----	z	60.79		67.22	a	71.95	a	69.21		60.50		47.90		36.97	a	19.61		44.76	a
1981	18.98		23.66		38.94		51.08		58.02	b	66.25		72.47	a	70.47		61.77		48.33	b	39.05		14.89		46.99
1982	-0.15		15.75		30.03		44.23		61.58	a	63.37		74.21		69.40		60.87		49.43	a	28.87		25.71		43.61
1983	19.58		25.86		31.87	a	42.98	b	54.74		68.07		77.52	b	75.53		62.17		48.34		33.00		1.52	a	45.10
1984	15.33	a	27.74		24.19		47.38	a	57.97		68.53		73.40		73.97		57.67		51.03		35.28		16.70	a	45.77
1985	10.08	a	16.27		35.98		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	20.78	i
1986	18.40	a	14.22	a	-----	z	47.95		60.08		71.17		74.12	a	-----	z	59.78		49.39		29.14	a	26.40	a	45.06	b
1987	21.95	a	32.95		36.36	c	55.45		65.31		74.03		75.84		69.90		-----	z	-----	z	-----	z	24.93	a	50.75	c
1988	11.90		15.12		34.61		50.02	b	66.32	a	77.65		79.18		75.88	a	-----	z	-----	z	34.07		24.02		46.88	b
1989	23.78	a	11.75		27.11		47.13		61.62	a	70.25		77.19		73.15		63.40		52.56		30.85		13.81		46.05
1990	29.52		25.12		36.10		48.33		58.42		72.22		71.85		71.66		65.63		49.90		37.82		17.58	a	48.68
1991	15.53		29.30		33.87		50.08		62.55		72.03	a	72.13		71.77		61.13		48.92		25.93		23.87		47.26
1992	24.40		28.98		37.03		43.07		62.13		65.13		64.92		65.79		60.97		48.56		28.62		15.65		45.44
1993	9.76	b	12.37	a	28.57	a	43.88		57.58	a	64.48	a	69.85		70.15		56.52		48.34		28.58		18.84		42.41
1994	1.40	a	9.06	a	34.71		47.02		63.06		69.58		69.58		67.73	a	63.88		52.19		37.28		24.16		44.97
1995	17.69		21.27		32.60		40.77		57.59	b	73.30		74.61		73.97		62.82	b	49.15		28.17		19.47	b	45.95
1996	8.50		19.77	a	26.32		42.80		56.83	a	72.37		72.82		-----	z	-----	z	51.77		-----	z	12.60		40.42	c
1997	7.65	a	20.73		28.02	a	43.67		55.43	b	73.55		72.31		69.18		64.52		51.55	a	27.12	b	27.53	b	45.10
1998	16.03		29.71		27.34		49.81	a	65.47	a	65.93		72.19		71.65		67.72		51.34		34.60		25.55		48.11
1999	11.18		28.55		34.85		47.50		60.73		68.21	a	74.23	c	69.46	c	58.35	f	47.05	i	41.02	f	24.31		46.56	c
2000	11.13	a	26.90	d	38.53		42.93		58.87		64.33		70.55		68.74		58.35		49.05		26.37		3.17	a	43.24
2001	15.17	a	4.85	a	21.11		43.97	a	58.73		67.15		73.08	a	70.45		59.24	a	45.55		41.77		20.69		43.48
2002	19.45		27.70		18.10		-----	z	52.21		70.07		-----	z	-----	z	61.72		38.45		31.85		23.94		38.16	c
2003	14.40		12.07		29.19	b	47.02	a	55.90		67.97	a	73.16		73.20	a	-----	z	49.53		28.02	a	22.58		43.00	a
2004	10.39		18.43		35.70	a	48.22		54.76		-----	z	69.71		63.61		64.30		48.60		36.43		22.94		43.01	a
2005	11.63		23.66		-----	z	49.92		-----	z	70.82		73.18		68.76		65.28		48.92		34.67		18.16		46.50	b
2006	25.69		15.79		30.81		50.43		60.03		68.73		74.98		70.61		57.77		44.87		34.00		26.85		46.71
2007	18.13		11.32		35.03	a	43.23		63.35		70.50		73.76		68.08		62.23		52.03		33.30		14.40		45.45
2008	11.47	a	14.38	a	26.34		41.88		55.89		66.70		72.97		70.61		61.93		47.82		33.70		9.08		42.73
2009	6.76		16.06	a	28.42		43.95		58.11		65.90		67.48		67.27		63.52		41.53		40.38		12.90		42.69
2010	9.38	a	10.68		35.40		52.72		58.40	a	67.93		73.15		72.53		58.45		51.26		32.67		11.74		44.53
2011	5.68		13.23	b	21.73		43.93		56.44		67.35	c	77.05		70.71		60.75		51.87		34.33		26.03		44.09
2012	22.35		25.03		43.29		49.42		62.10		70.88		77.65		69.31		60.10		44.60		34.03		16.79		47.96
2013	13.92		12.64		19.40		34.70		56.08		67.20		72.65		70.35		65.70		46.58		30.03		9.40		41.56
2014	7.65		7.82		25.10		41.08		57.31		68.73		69.60		69.74		61.15		48.92		22.78		21.66		41.79
2015	18.26		9.27		34.03		47.63		57.23		69.37		71.56		68.06		67.53		52.10		40.85		25.06		46.75
2016	14.81		24.45		39.98	a	46.92		60.40		72.02	a	72.43	b	70.21	c	62.70		49.56		41.62		16.37		47.62
2017	15.74		28.68		30.18		46.22		57.18		69.35		73.03		66.32		62.77		48.68		30.85		18.82		45.65
2018	13.73		10.54		27.74		32.58		64.81		71.12		71.21		69.21		62.00		42.05		24.73		21.70	a	42.62
2019	8.71		3.12		22.97		42.97		52.84		68.77		72.87		67.02		63.20		43.10		28.70		18.24		41.04
2020	14.45		15.48		32.50		41.36	a	56.24		72.20		73.19		70.90		60.43	a	41.58	a	37.05		24.24		44.97
2021	21.55		8.34		37.69		43.48		57.24		72.97		73.42		71.13	d	62.98		52.50		34.40		20.19		46.32
2022	7.23		11.12		28.85		37.25		57.24		70.50		71.89		69.08		62.60		49.15		30.37		14.05	a	42.44
2023	13.37		14.95		19.55		39.18		62.29		72.53		69.68	a	70.94		65.10		48.84		35.30		31.00		45.23
2024	15.56		29.98		32.77	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	26.11	i
Period of Record Statistics
MEAN	13.18		17.80		30.06		45.32		58.64		68.69		72.96		70.62		61.59		49.44		32.65		19.07		44.84
S.D.	6.39		6.78		6.12		4.42		3.41		2.96		2.62		2.60		2.79		3.66		4.30		5.81		1.73
SKEW	0.20		0.32		-0.09		-0.27		0.28		-0.08		-0.05		0.17		-0.15		-0.14		-0.07		-0.44		-0.15
MAX	29.52		32.95		43.29		55.45		66.92		77.65		79.18		77.40		67.72		60.10		41.77		31.00		48.68
MIN	-0.15		3.13		18.10		32.58		52.21		61.12		64.92		63.61		52.86		38.45		22.78		1.52		41.04
YRS	83		83		81		78		81		82		82		78		76		80		80		81		66