PORTAGE WWTP, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(476718)

File last updated on April 23, 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
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	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1895	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1896	-----	z	25.12	u	19.48		40.27		54.29		55.97		59.45		57.90		46.57		32.52	b	20.65	d	18.57	a	40.57	b
1897	8.11	d	15.15	a	17.23	a	34.97	a	42.83	a	52.90		60.65		53.84		51.90		39.63	a	21.38	a	5.70	d	33.69
1898	11.58		11.40	c	22.10	a	30.83		43.42		54.83		55.65		53.35		47.47		33.63	a	22.68	b	7.63	d	32.88
1899	7.41	b	-0.44	c	13.59	b	37.07		47.10	a	58.50		61.33	a	59.68		48.60		43.23	a	31.54	b	13.58	e	35.10
1900	16.55	b	3.84	c	18.03	a	37.20		48.84		55.17		59.42		65.13		52.00	b	46.93	c	25.21	a	19.96	d	37.36
1901	12.29		3.21		21.16		36.37		47.30	a	57.30		66.61		60.26		50.97	a	42.10		25.17	a	13.55		36.36
1902	13.16		9.61		28.58		35.43		50.19		54.17		62.71		57.68		49.97		41.26		34.57		14.03		37.61
1903	10.77		12.00		30.00		37.73		50.00		53.43		61.23		57.37	a	51.53		40.52		24.77		7.58		36.41
1904	0.97		0.34		23.00		31.87		46.90		55.30		58.94		55.45		52.23		41.61		29.87		11.94		34.03
1905	-0.37	a	1.54		26.58		36.20		46.26		56.93	a	60.77	a	59.97	a	54.22	c	38.34	b	26.87		17.74		35.42
1906	14.40	a	9.07		16.75	c	38.27		46.03		55.87		58.97		62.32		55.50		39.23		29.20		17.42		36.92
1907	8.55		9.64		26.52		29.23		39.13		54.40		60.97		57.06		50.57		36.35		26.63		18.52		34.80
1908	13.52		12.24		26.00		36.33		48.33	a	54.53		60.00		56.16		53.97		39.87		26.63		13.71		36.77
1909	9.61		13.64		22.16		30.37		44.45		56.00		58.90		61.61		49.90		34.74		31.62	a	7.94		35.08
1910	6.42		3.46		32.19		36.93	a	41.61		54.60		60.29		58.48		48.83		40.71		-----	z	10.03		35.78	a
1911	8.03		19.46		25.26		35.50		52.32		61.72	a	61.30	a	58.16		52.73		40.68		22.48	a	22.35		38.33
1912	-8.83	a	6.41		14.52		37.21	a	48.65		53.97		61.87		58.90		54.03		41.52		30.10		20.84		34.93
1913	9.42		6.11		19.13		37.97		47.26		58.93		61.10		61.00		51.57		40.20	a	34.37		24.35		37.62
1914	19.58		2.54		22.55		35.47		51.26		57.45	a	64.00		60.23		52.93		46.35		28.62	a	9.45		37.54
1915	6.35		21.25		22.61		43.10	a	44.16		51.57		58.23		53.97		53.23		42.16		31.03		16.97		37.05
1916	10.55		7.90		18.90	a	36.07		46.71		53.10		65.71		61.77		50.50		40.10	b	26.77		6.77		35.40
1917	1.97	a	-2.57		20.74		33.97		42.45		52.17		62.23		56.00		47.37		31.71		29.57		7.03		31.89
1918	-3.57	a	8.25		25.81		31.17	a	50.19		55.80		59.16		59.77		44.27		42.58		30.83		23.73	a	35.67
1919	15.84		13.79		23.61		35.80		43.52		61.53		61.77		57.16		54.80		41.71		26.57		5.26		36.78
1920	1.06		9.21		23.94		32.97		45.71		59.53		60.87		57.10		54.33		46.23		28.90		20.39		36.69
1921	18.68		18.00		29.58		41.80		51.06		62.37		67.39		60.74		56.20		42.90		26.27		16.42		40.95
1922	3.13		10.68		26.71		37.57		54.52		59.03		60.81		60.45		54.47		42.48		34.79	a	13.87		38.21
1923	14.00		4.64		15.84		34.33		45.74		61.90		63.74		58.48		52.73		38.73	a	31.00		26.29		37.29
1924	-1.13		16.10		22.42		36.17		42.13		55.03		58.74		59.23		48.10		44.13		28.53		6.73	a	34.68
1925	8.97		16.32		25.32		40.20		43.61		59.67		62.67	a	60.23		57.20		34.35		25.70		10.26		37.04
1926	10.10		18.96		17.65		32.20		47.32		52.30		61.26		61.00	a	52.33		40.68		24.07	a	11.45		35.78
1927	7.07	a	20.68		29.19		37.40		46.33	a	54.23		58.87		54.42		55.53		44.10		30.10		9.68		37.30
1928	13.45		15.71	a	24.74		31.87		49.81		53.70		63.16		60.94		48.80		44.84		32.63		20.94		38.38
1929	-4.77		2.64		27.97		40.80		45.10		54.83		62.61		58.03		51.50		40.74		25.48	a	16.67	a	35.13
1930	1.23		19.14		25.03		37.50		50.03		59.07		63.00		60.87		52.90		41.03		29.97		18.16		38.16
1931	18.73	a	24.74	a	25.71		39.07		46.13		63.38	a	65.35		59.94		59.93		47.77		37.00	a	27.33	a	42.92
1932	19.90	a	16.24		17.84		34.87		48.68		60.30		63.16		60.84		49.30		39.65		23.70		13.07	b	37.29
1933	21.81		9.79		24.48		36.40		50.16		65.13		63.97		57.65		57.17		39.26		25.97		16.06		38.99
1934	20.10		10.43		21.39		36.37		52.58		61.83		63.58		57.48		50.83		44.03		34.63		14.16		38.95
1935	7.30	a	17.36		26.63	a	35.97		43.52		55.27		67.55		62.16		52.23		41.32		26.97	a	15.13		37.62
1936	2.42		-3.45		26.97		33.23		53.29		54.40		64.94		62.77		56.17		39.39		25.40		18.29		36.15
1937	6.10		10.71		21.32		36.17		49.23		57.67		63.77		64.77		52.30		38.93	a	25.67		12.35		36.58
1938	10.87		20.68		30.58		39.07		48.45		57.43		63.77		63.81		53.50		45.90		30.53		16.48		40.09
1939	15.45		8.61		22.87		34.13		52.03		60.23		63.81		61.16		54.90		42.94		29.33		18.65		38.68
1940	4.00		15.96	a	18.94		33.13		45.23		58.40		62.94		60.81		53.50		45.16		26.62	a	17.63	a	36.86
1941	15.65		10.25		17.86	c	42.47		53.13		59.47		62.71		60.61		56.13		45.13		31.53		23.61		39.88
1942	12.55		13.89		29.68		40.27		47.39		58.57		61.87		60.71		51.83		40.26		28.60		11.77		38.12
1943	4.29		10.82		15.30	a	34.37		46.81		62.13		64.65		62.23		49.10		39.52		25.03		16.10		35.86
1944	17.71		14.97		21.26		32.73		53.10		60.77		60.42		61.13		55.23		40.39		35.60		13.00		38.86
1945	7.74		13.21		33.77		37.87		43.45		53.70		59.19		60.58		52.27		38.35		28.80		10.97		36.66
1946	13.10	a	13.15	a	31.81		37.55	a	45.32		56.86	a	61.55		57.84		51.73		44.16		30.50		18.16		38.48
1947	-----	z	-----	z	21.12	w	35.38	a	45.03		54.83		60.35		66.03	a	54.70		47.94		25.30		15.74		45.03	c
1948	3.06		10.00		20.71		39.21	a	46.10		57.20		63.10		60.57	a	53.47		38.93	a	34.83		16.35		36.96
1949	11.94		12.00		23.58		35.63		48.35		59.77		65.17	a	61.13		45.79	a	44.19		30.00		17.03		37.88
1950	10.52		11.71		19.35		31.60		47.22	h	57.21	a	58.87		56.03		51.27		45.11	d	23.83	a	7.39		33.90	a
1951	3.97		11.93		21.21	c	36.27		51.39		55.90		61.39		58.85	d	49.41	c	40.03		19.20		11.41	b	35.08
1952	11.03		19.50	a	21.52		38.63		45.55		60.17	a	63.69	e	57.06		48.50		30.32		28.77		21.24	f	38.61	a
1953	16.18	c	17.41	a	26.48		32.95	k	46.64	i	59.67	o	61.00	n	59.29	c	50.90	i	42.58	e	29.08	e	22.10		30.44	e
1954	8.80	f	25.12	b	22.26		38.93		43.65		60.70		63.81		59.58		53.53		42.06		31.50		19.58		41.88	a
1955	11.65		11.89		20.69	b	42.89	b	50.29		55.97		66.84		65.52		52.17		43.29		23.67		10.97		37.99
1956	11.32		11.17		19.84		33.23		47.32		60.50		60.32		61.45		48.70		45.48		30.20		19.52		37.42
1957	4.29		18.46		24.32		39.70		46.71		58.27		63.23		59.87		50.50		38.77		29.60		20.55		37.86
1958	13.74		8.39		25.32		37.07		47.13		53.57		60.19		60.35		52.87		44.42		30.87		8.35		36.86
1959	0.77		6.46		20.10		37.70		52.74		59.10		61.19		65.77		54.40		40.32		20.47		25.97		37.08
1960	16.90		15.03		13.03		39.33		47.55		54.03		58.10		60.13		54.43		40.81		30.97		13.52		36.99
1961	8.84		19.79		28.55		33.60		44.06		56.60		61.03		60.77		53.90		43.03		29.20		12.55		37.66
1962	5.55		10.57		21.32		35.60		53.06		57.30		58.87		59.16		48.23		44.29		29.23		13.45		36.39
1963	-1.29		3.68		23.87		37.77		45.35		57.60		61.45		57.71		50.60		49.65		33.50		5.90		35.48
1964	16.19		15.66		23.16		38.13		53.23		57.83		63.32		57.45		51.57		37.68		31.17		12.48		38.16
1965	6.77		8.50		19.26		34.97		50.39		50.17		54.60	a	54.03		48.50		39.32		27.57		22.94		34.75
1966	-1.65		10.96		25.81		33.93		38.97		53.43		57.77		52.10		43.24	a	35.35		27.13		12.77		32.49
1967	11.32		3.14		21.97		34.77		37.42		54.87		53.61		49.26		42.27		37.68		24.83		17.13		32.36
1968	9.81		6.66		26.45		32.93		41.77		54.00		57.42		56.13		47.63		40.35		26.20		12.29		34.30
1969	4.77		11.04		15.00		34.50		43.39		46.93		57.35		54.52		45.87		35.23		22.53		13.45		32.05
1970	-1.42		7.25		18.10		33.30		45.84		52.33		56.77		51.84		46.43		39.00		25.60		12.52		32.30
1971	-0.35		9.41	a	19.35		30.93		37.68		56.70		52.77		50.10		48.78	c	43.71		24.80		19.29		32.76
1972	2.42		6.45		17.29		29.10		44.13		47.53		55.55		57.74		48.90		35.29		28.00		9.81		31.85
1973	13.27	a	15.07		31.16		35.03		43.65		55.90		59.58		58.06		49.33		43.06		26.43		13.26		36.98
1974	10.65		9.36		23.48		35.90		43.39		50.93		58.16		52.81		40.50		34.94		26.90		17.71		33.73
1975	9.52		10.89		14.52		28.23		46.45		53.10		56.00		-----	z	-----	z	-----	z	-----	z	-----	z	31.24	e
1976	2.58		15.31		26.10		34.03		39.42		52.83		55.68		50.10		40.37		30.74		16.57		0.00		30.31
1977	-6.65		10.86		29.13	a	37.97		48.29		51.47		61.32		53.42		51.07		35.81		26.07		9.84		34.05
1978	0.65		0.14		16.74		32.23		44.94		52.60		58.13		55.23		50.90		34.77		23.83		10.61		31.73
1979	-4.19		-0.32		21.61		31.63		41.32		51.23		55.58		56.23		45.40		36.90		27.03		19.81		31.85
1980	10.06		7.55		18.71		33.93		43.42		52.00	a	59.29		59.42		49.67		33.16		27.13		13.71		34.00
1981	9.03		15.71		23.68		36.03		40.42		53.83		56.00		54.84		47.37		36.55		28.03		15.52		34.75
1982	-2.55		8.50		22.00	a	29.60		49.87		46.13		57.77		51.74		42.60		35.19		27.37		22.39		32.55
1983	15.52		19.96	a	24.80	a	31.33		39.94		51.97		59.65		56.71		44.67		35.92	e	32.41	a	4.13		34.75
1984	8.39		22.46	a	19.19		36.69	a	44.29		57.60		57.65		59.40	a	47.70		43.45		27.63		17.84		36.86
1985	5.62	b	12.85	b	28.77		42.37		50.35		51.13		55.97		55.32	l	52.28	a	39.59	d	23.20	e	-0.21	c	32.90	a
1986	8.04	c	12.80	c	25.21	b	39.80		47.70	a	54.39	b	62.87		53.26		51.73		40.40	a	21.24	a	17.73	a	36.26
1987	13.87	a	19.71		27.77		39.07	a	48.67	a	60.87		65.77		60.06		51.71	b	33.06		32.40		23.65		39.72
1988	2.52		6.57	a	24.06		35.67		46.84		56.00	a	61.16		62.00		49.97		31.07	a	30.14	a	13.20	a	34.93
1989	16.77		3.48	a	19.43	a	32.57		45.23	a	54.77		60.90		58.60	a	47.10		39.07	a	23.30		2.70	a	33.66
1990	18.45		13.32		28.65		37.20		43.42		57.33		60.71		58.97		52.77		36.03		31.03		11.81		37.47
1991	4.16		15.89		26.39		39.97		53.55		59.30		61.42		58.58		48.10		38.42		22.47		16.71		37.08
1992	17.97		21.07		24.65		34.87		45.94		52.67		56.68		53.32		47.43		36.60	a	28.23		16.16		36.30
1993	9.26		10.57		21.71		33.37		48.52		55.87		62.39		62.10	a	45.87		36.03		26.63		18.77		35.92
1994	-3.32		3.57		24.71		36.83	a	46.29		58.30		60.32		56.90		55.17		42.48		31.53		20.71		36.12
1995	9.87		13.00		27.29	c	32.13		46.23		60.10		62.97	a	67.24	b	48.10	a	40.97		20.40		12.10		36.70
1996	4.10		10.24		17.19		31.66	a	45.32		58.73		58.77		58.58		50.30		38.32		21.30		14.68		34.10
1997	5.94		14.68		24.35		34.10		42.13		57.07		60.71		56.32		51.07		39.39		26.80		22.81		36.28
1998	17.23		27.46		26.45		38.73		52.16		57.10		62.23		61.68		53.10		41.23		32.40		21.03		40.90
1999	6.42		22.54		24.10	b	39.83		49.65		58.17		66.32		58.97		48.23		36.66	b	32.23		17.67	a	38.40
2000	10.65		19.41		30.65		35.50		50.10		58.20		60.48		60.68		51.10		41.94		28.40		0.97	b	37.34
2001	12.72	b	10.96	a	22.58		39.86	a	50.35		57.55	a	61.61		62.60	a	48.07		38.48		37.31	a	22.71		38.73
2002	19.03		21.07	a	19.58		37.66	a	44.87		59.48	a	63.60	a	58.97	a	52.32	b	37.65		25.38	a	18.71		38.19
2003	7.32		6.22	a	22.87		33.50	b	45.45		54.70		60.45		60.74		50.23		37.42		28.96	b	19.23		35.59
2004	5.29		13.43	a	30.19		35.47		45.48		55.83		59.66	b	55.23		52.57		40.10		31.90		14.67	a	36.65
2005	8.47	a	20.46		21.19		37.80		45.26		60.97		60.90		58.60	a	53.72	a	39.48		27.70		13.47	a	37.34
2006	23.84		12.43		26.23		39.50		49.58		56.27		63.73	a	61.00		48.20		35.94		31.80		23.16		39.31
2007	16.03		7.07		27.26		35.83		49.87		57.80		60.17	a	61.23		52.03		45.83	a	27.66	a	12.32		37.76
2008	9.53	a	3.86		18.81		37.53		43.74		59.47		61.19		57.65		52.90		38.42		28.00		5.94		34.75
2009	-0.26		13.75		22.48		34.80		49.29		57.30		55.94		57.52		49.73		37.23		32.63		15.35		35.48
2010	8.65		14.36		27.00		40.90		49.90		59.10		65.61		64.61		50.53		39.97		29.37		11.97		38.50
2011	8.10		12.11		22.39		36.03		47.55		57.50		65.71		60.00		48.37		39.50	a	30.57		21.68		37.46
2012	15.13		21.45		38.77		37.03		51.10		58.57		66.26		58.19		46.50		36.39		28.00		21.61		39.92
2013	11.13		11.75		17.87		33.83		48.68		58.10		61.55		58.65		50.27		38.87		25.93		8.45		35.42
2014	0.42		1.93		15.94		34.00		48.58		60.97		58.58		59.74		49.90		38.58		22.43		21.77		34.40
2015	11.71		0.11		21.97		35.90		49.19		56.64	b	59.74		59.06		56.27		40.94		32.80		29.10		37.79
2016	12.29		18.28		30.55		35.70		47.16		58.00		62.58		62.77		56.10		44.48		35.10		17.29		40.03
2017	16.65		22.11		24.42		39.80		46.39		58.70		61.26		56.94		51.93		43.71		26.87		14.58		38.61
2018	9.45		11.36		22.71		27.17		53.35		60.40		61.77		61.87		54.23		38.58		24.53		22.55		37.33
2019	7.45		8.11		20.85	d	37.00	a	45.43	a	56.21	a	64.39		58.07	a	56.03		39.10		24.38	a	21.23		36.52
2020	17.87		15.03		29.55		33.86	a	46.97		58.30		64.77		59.32		51.23		36.19		33.40		20.13		38.89
2021	15.48		-----	z	29.48		37.39	b	47.71		61.50		61.71		61.23		51.93		46.48		27.30		22.06		42.03	a
2022	2.71		9.29		24.55		34.63		51.45		57.93		61.48		60.10		52.83		37.19		29.50		16.50	a	36.51
2023	21.42		16.75		24.13		37.57		46.97		56.00	a	60.42		59.61		54.79	a	43.19		26.97		27.97		39.65
2024	17.71		23.10		27.37	a	37.19	i	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	22.73	i
Period of Record Statistics
MEAN	8.97		11.88		23.37		35.87		47.00		56.56		61.04		58.81		50.92		40.00		28.00		15.39		36.45
S.D.	6.73		6.39		4.62		3.13		3.67		3.36		2.97		3.34		3.51		3.84		3.88		5.95		2.24
SKEW	-0.23		-0.06		0.19		-0.16		-0.18		-0.37		-0.22		-0.40		-0.51		-0.14		-0.10		-0.25		-0.27
MAX	23.84		27.46		38.77		43.10		54.52		65.13		67.55		67.24		59.93		49.65		37.31		29.10		42.92
MIN	-8.83		-3.45		13.03		27.17		37.42		46.13		52.77		49.26		40.37		30.32		16.57		-0.21		30.31
YRS	126		126		128		127		126		127		127		126		126		127		126		126		118