WISCONSIN DELLS WWTP, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(479319)

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
1922	-----	z	-----	z	-----	z	-----	z	51.90	a	54.97		55.24	b	55.94		49.67		39.13	a	33.97	a	11.23	a	44.01	d
1923	11.65		-2.00		6.26		30.34	a	40.48		52.90		59.93	a	53.68		48.10		33.42		25.10		22.20	a	31.84
1924	-8.20	a	11.24		15.73	a	33.30		38.74		51.23		54.00		54.90		44.17		39.48		25.93		5.72	b	30.52
1925	3.69	b	13.36		20.71		35.53		37.35		55.47		57.32		55.45		53.77		30.10	a	22.37		7.10		32.68
1926	5.67	a	14.82		13.93	a	26.70		43.17	b	47.37		57.00		57.42		48.17		34.71		20.73		9.43	a	31.59
1927	3.77	a	17.21		25.90		34.40		43.35		50.70		55.23		48.00	a	50.90		38.90		26.77		2.65		33.15
1928	9.86	b	11.63	b	20.53	a	27.40		43.55		49.20		59.70	a	56.70	a	44.07		39.74		29.31	a	16.03	a	33.98
1929	-9.06		-2.07	a	23.00		35.97		40.17	a	50.63		57.74		53.29		46.86	a	35.00	a	18.90	a	11.53	a	30.16
1930	-3.35		16.36		20.94		34.20		45.58		55.13		58.87		54.55		48.47		37.32		24.21	b	13.90		33.85
1931	-----	z	-----	z	-----	z	-----	z	-----	z	58.87		61.45		53.39		55.53		43.23		32.46	b	25.00		47.13	e
1932	17.06		13.93		14.90		30.93		43.87		54.90		59.35		57.61		43.27		35.90		18.70		10.61		33.42
1933	18.71		6.11		21.16		32.43		47.65		60.97		60.48		53.23	e	52.50		34.65		23.03		12.68		35.30
1934	16.39		7.93		17.13		32.90		47.06		58.57		60.13		53.03		47.30		39.55		30.53		8.13	a	34.89
1935	2.38	b	12.54		21.21	b	32.14	a	38.26		50.67		63.58		57.16		47.10		34.45	b	22.03	a	9.71		32.60
1936	-3.07	a	-12.18	a	22.39		27.10		47.68		49.87		59.73	a	57.00	a	49.30		34.00		21.70		14.19		30.64
1937	0.17	b	2.74	i	16.30	a	33.40		46.04	c	54.60		60.10	a	61.97	a	48.00		33.58		20.90		10.34	b	35.04	a
1938	6.28	b	17.96	a	27.13	a	36.63		46.07	a	54.93		61.48	b	60.94		50.50		42.00	a	27.67		12.63	a	37.02
1939	16.23	a	5.25		21.16		31.04	b	48.39		55.93		60.32		57.97	a	50.10		37.52		23.37		20.67	a	35.66
1940	0.97	a	13.00	b	15.86	b	31.00		42.43	a	55.97		61.19		59.00		49.17		40.23		22.44	c	17.57	c	34.07
1941	10.18	c	5.26	a	15.67	a	37.79	a	48.77		57.14	a	59.45		57.58		52.30		39.80	a	29.30		20.94		36.18
1942	8.19		10.57		25.93	b	37.14	b	44.06		55.76	a	58.55		57.30	a	48.11	b	35.94		27.46	b	9.40	a	34.87
1943	1.97	a	7.00	b	13.97		31.73		45.06		60.47		62.19		60.61		46.90		36.62	b	22.13		14.43	a	33.59
1944	15.32		13.21		19.58		30.00	b	51.17	a	58.90		57.68		58.68		52.60		37.26		32.97		8.87		36.35
1945	2.68		10.18		30.29		36.10		41.13		51.40		57.28	b	58.42		50.07		35.52		25.93		8.87	a	33.99
1946	10.07	a	11.19	a	29.48		35.87		42.06		55.23		57.84		54.94		47.90		42.13		26.59	a	13.97		35.60
1947	11.87		7.79		20.68		33.33		41.26		52.40		57.71		65.35		52.13		47.58		22.93		13.38	b	35.53
1948	1.47	a	7.21		16.71		37.87		43.52		54.27		60.65		59.00	a	51.67		34.97		32.73		13.61		34.47
1949	9.27	a	7.89		22.26		31.67		47.06		57.57		63.52		59.19		44.97		39.94		26.40		15.00		35.39
1950	6.65		9.59	a	16.73	a	28.00		44.29		55.00		55.84		54.32		49.60		42.03		20.43		6.61		32.43
1951	1.65		7.46		18.45		33.67		47.65		51.93		58.77		56.23		46.73		38.68		16.13		9.42		32.23
1952	8.35		15.86		18.00		34.63		44.74		57.97		62.26		56.65		46.57		27.65		26.43		18.68		34.82
1953	12.32		11.64		24.13		31.83		44.61		56.67		59.90	a	58.10		46.73		39.35		29.17		18.74		36.10
1954	6.65		20.89		19.58		36.50		40.19		58.37		61.06		56.81		51.17		38.39		26.57		14.65		35.90
1955	9.33	a	7.43		17.77		39.33		46.61		53.20		64.65		61.84		47.47		39.77		21.37		8.42		34.77
1956	7.71		8.17		15.50	a	28.67		43.74		57.53		57.87		58.71		45.53		42.10		26.10		15.19		33.90
1957	0.90		15.36		20.65		35.70		44.48		55.73		61.42		57.94		47.37		34.19		27.40		17.00		34.84
1958	11.84		6.96		22.52		33.10		43.48		50.73		57.58		57.55		50.13		40.94		27.50		5.48		33.98
1959	-2.77		2.61		16.45		33.47		50.45		56.07		58.19		64.03		51.37		37.68		17.13		23.26		33.99
1960	14.52		12.93	a	8.71		37.37		45.81		52.43		56.94		59.61		52.93		37.45		27.53		11.55		34.81
1961	6.16		16.71		25.13		30.63		41.39		55.03		59.48		58.52		50.47		40.35		26.83		10.39		35.09
1962	3.87		6.57		19.23		33.67		51.68		55.50		56.58		56.57	a	45.40		41.16		26.57		11.57	a	34.03
1963	-3.71		1.07		21.29		34.80		43.58		54.93		60.03		55.65		49.17		46.81		30.97		3.61		33.18
1964	15.03		13.76		20.70	a	36.47		50.23		56.30		62.39		56.10		48.70		33.35		27.07		10.16		35.85
1965	4.32		5.32		16.45		33.07		49.32		52.87		58.03		57.10		49.30		39.97		27.10		22.74		34.63
1966	-1.90		10.50		25.13	a	32.50		40.45		55.57		61.00		56.58		46.43		36.35		26.90		13.23		33.56
1967	10.68		0.46		22.55		35.60		40.13		57.47		57.45		52.39		45.30		37.71		24.10		16.48		33.36
1968	8.84		7.41		26.97		35.23		44.52		55.43		59.39		58.71		50.60		41.81		28.43		12.52		35.82
1969	4.71		12.71		13.87		35.47		45.68		49.83		60.19		58.48		49.40		36.48		23.67		14.19		33.72
1970	0.00		7.57		19.06		35.40		48.00		57.00		60.81		57.35		51.27		41.29		27.67		11.84		34.77
1971	0.29		8.86		19.26		31.90		41.13		60.03		56.58		55.00	a	53.10		45.81		27.67		18.26		34.82
1972	0.73	a	6.31		17.29		30.73		47.58		51.63		59.39		60.35		51.20		36.68		28.70		9.26		33.32
1973	13.70	a	15.25		31.23		34.67		43.97		57.73		62.81		61.55		52.30		44.77		27.57		12.55		38.17
1974	11.97		7.50		24.32		37.00	a	45.07	a	53.34	a	62.10		57.13		45.10		39.03		28.80		18.58		35.83
1975	11.19		10.93		15.87	a	30.03		48.94		56.33		59.74		57.03		43.43		35.16		27.87		16.52		34.42
1976	2.45		16.38		23.03		35.43		42.06		54.73		57.81		53.16		44.77		32.77	a	18.40		0.87		31.82
1977	-6.37	a	12.00		29.84		39.60		51.55		53.10		62.45		55.65		52.55	a	37.03		24.90		10.00		35.19
1978	-1.87		0.75		19.06		33.14	b	47.00		53.90		59.13		57.55		51.80		38.29		25.97		11.73	a	33.04
1979	-3.35		-1.07	a	20.42		30.17		41.48		54.40		57.68		57.52		50.97		38.06		27.93	a	18.40	a	32.72
1980	10.10		7.48		18.52		35.63		46.74		55.07		63.52		61.52		51.63		35.65		28.47		12.97		35.61
1981	9.58		16.21		24.84		37.53		44.00		57.70		61.06		59.90		49.00		37.48		27.40		14.32		36.59
1982	-1.27	a	8.74	a	21.48	b	29.75	b	52.00		50.00		61.77		58.55		51.41	a	41.13	a	25.69	a	21.60	a	35.07
1983	16.86	b	21.48	a	26.81		33.34	a	43.63	a	57.11	b	64.93	b	62.93	a	51.70		41.14	b	-----	z	-----	z	41.99	b
1984	-----	z	-----	z	-----	z	-----	z	43.43	q	54.59	a	55.10	b	56.93	c	45.43		40.41	b	23.33		13.60	a	41.34	e
1985	0.25	c	4.64		23.90	a	38.70		46.68		49.50	b	56.38	b	54.87		50.62	a	37.10	a	20.67		-3.93	b	31.61
1986	5.84		7.70	a	21.59	b	37.14	b	45.67	d	52.50		61.03	a	51.10	a	50.90	a	37.00		18.77		15.55		33.73
1987	11.10	a	17.11		24.74		34.63		46.23		54.50		-----	z	54.57	a	46.10		27.74		26.31	a	19.77		32.98	a
1988	-1.26		0.72		21.52		30.13		42.40	a	-----	z	57.10		59.29		47.00	a	28.32		27.43		11.23		29.44	a
1989	15.37	a	0.89	a	17.16		29.03	a	40.16		49.43		57.58		55.29		42.57		33.71		20.20		0.52		30.16
1990	15.68		9.68		25.84		33.13		39.94		54.97		58.06		56.61		49.70		32.16		26.27		5.61		33.97
1991	0.90		13.43		23.39		35.87		53.03		58.21	b	58.97		56.52		46.20		35.74		18.90		14.23		34.62
1992	16.39		20.03		22.65		33.87		43.33	a	50.03		53.65		49.42		46.43		32.37	a	25.87		14.10		34.01
1993	7.87		6.29		19.61		30.63		45.61		53.97		60.06		59.61		43.50		32.71		23.57		17.55		33.42
1994	-5.26		-1.52	a	21.71		32.60		41.83	a	55.17		58.06		52.35		53.23		39.90		28.60		17.30	a	32.83
1995	7.77		10.07		22.35		28.83		41.94		56.30		60.68		65.65		43.33		37.06		18.76	a	8.80	a	33.46
1996	0.84		5.66		14.03		28.33		42.06		55.80		55.32		54.71		47.37		35.58		17.28	a	12.87		30.82
1997	3.77		11.89		21.94		29.48	a	38.71		53.69	a	58.45		56.16		50.45	a	40.07	a	27.53		19.52	f	35.65	a
1998	15.19		25.46		21.10		33.57		46.97		52.47		56.90		57.26		47.21	a	37.77	a	28.93	a	16.03		36.57
1999	2.90		24.11		18.35		34.90		46.00		55.27		62.42		54.17	a	43.37		32.23		25.40		15.17	a	34.52
2000	8.29		20.68	a	26.87		30.33		45.19		53.73		56.42		57.37	a	47.47		37.58		24.93		-0.74		34.01
2001	9.23		8.39		18.65		37.17		45.40	a	54.33		57.35		58.48		46.10	a	36.13		32.53		19.35		35.26
2002	15.42		19.50		16.60	a	34.53		41.39		56.87		61.65		55.94		48.50		32.55		21.31	a	15.16		34.95
2003	5.87		1.93		20.52		31.33		41.35		51.43		56.94		56.57	a	45.60		33.10	a	24.43		16.23		32.11
2004	3.07	c	11.96	a	27.68		31.80		43.42		52.50		57.29		51.90		47.83		37.35		27.13		13.40	a	33.78
2005	6.72	b	17.04		17.33	a	32.17	a	42.90		58.63		59.03	a	56.35		49.87		36.97		24.87		11.65		34.46
2006	21.77		8.71		22.21	b	35.37		45.45		52.17	a	61.19		56.87		45.48	a	32.65		27.17		21.03		35.84
2007	11.71		4.54		24.77		32.73		46.77		53.70		56.55		59.00		49.47		41.86	b	21.81	d	8.10		34.25
2008	5.00		-0.52		14.03		33.83		40.71		54.43		58.32		54.06		48.20		34.90		26.03		0.07	c	30.76
2009	-4.60	a	10.61		19.45		31.10		43.97		54.73		52.10		54.42		48.00		34.61		29.40		11.45		32.10
2010	5.03		10.82		23.58		35.80		45.97		56.90		62.74		60.77		47.23		35.03		26.03		8.00		34.83
2011	4.55		8.11		19.23		33.23		43.42		54.97		62.87		55.71		46.37		35.68		28.33		18.16		34.22
2012	9.84		17.55		35.35		32.63		47.87		54.43		63.87		54.03		43.37		33.42		23.87		18.97		36.27
2013	8.06		7.57		14.77		31.03		44.42		55.27		58.35		54.77		47.00		35.00		22.03		5.19		31.96
2014	-2.65		-5.43		11.94		29.63		44.55		58.90		55.84		57.97		46.97		35.42		20.13		20.61		31.16
2015	9.32		-3.32		19.03		33.10		48.16		54.60		57.29		56.39		53.93		38.23		29.10		27.97		35.32
2016	8.84		15.38		28.68		34.20		42.97		55.40		61.19		61.35		53.57		42.45		31.80		15.81		37.64
2017	14.45		17.18		22.39		37.93		44.52		55.83		59.39		55.16		49.60		41.32		24.67		12.58		36.25
2018	8.52		8.11		20.71		23.67		51.84		59.53		59.26		59.13		51.10		37.39		23.17		20.32		35.23
2019	4.71		4.93		15.97		33.93		43.39		54.07		62.74		56.23		54.57		36.94		23.38	a	18.81		34.14
2020	15.58		7.72		28.19		30.87		43.00	a	55.37		62.26		56.58		48.17		31.70	a	28.86	a	17.19		35.46
2021	13.52		-0.89		26.42		35.47		44.77		58.14	a	59.94		58.70	a	48.00	a	44.48		23.31	a	20.00		35.99
2022	-1.26		7.04		22.61		31.50		48.23		54.37		58.90		57.68		50.60		34.48		27.23		13.26		33.72
2023	17.00		12.25		18.97		34.47		44.39		53.37		57.16		57.42		53.70		38.41	d	23.30		25.32		36.31
2024	15.84		19.38		23.97	a	32.31	n	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	19.73	i
Period of Record Statistics
MEAN	6.61		9.52		20.79		33.23		44.77		54.72		59.26		57.03		48.71		37.32		25.38		13.37		34.16
S.D.	6.75		6.69		4.81		3.01		3.35		2.73		2.52		2.97		2.96		3.83		3.78		5.90		1.69
SKEW	-0.11		-0.27		0.06		-0.33		0.32		-0.21		-0.08		0.13		0.00		0.07		-0.25		-0.33		-0.39
MAX	21.77		25.46		35.35		39.60		53.03		60.97		64.93		65.65		55.53		47.58		33.97		27.97		38.17
MIN	-9.06		-12.18		6.26		23.67		37.35		47.37		52.10		48.00		42.57		27.65		16.13		-3.93		30.16
YRS	100		99		100		99		100		101		101		102		102		102		101		100		94