HORICON WWTP, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(473756)

File last updated on May 12, 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
1970	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	30.10		13.33	a	21.72	j
1971	3.19		11.96		20.94		35.03		42.53	a	59.10		56.55		55.97		52.90		46.65		28.53		21.23		36.22
1972	3.84		8.24		19.32		32.23		48.55		51.93		58.29		59.00		50.10		37.55		29.27		11.48		34.15
1973	17.16		16.96		33.16		36.37		43.61		58.23		61.58		60.65		50.83		44.90		28.37		15.13		38.91
1974	10.58		9.57		25.52		37.87		44.81		53.73		60.81		56.77		46.30		39.77		30.70		20.65		36.42
1975	14.16		13.50		17.57	a	31.33		51.10		57.70		61.19		59.42		46.30		41.58		34.50		18.71		37.26
1976	5.65		17.59		25.61		37.17		42.97		56.97		60.16		55.39		45.87		33.61		17.83		2.65		33.45
1977	-5.97		12.29		31.55		40.20		52.00		53.43		62.47	a	54.84		52.37		38.48		28.90	a	11.94		36.04
1978	3.61		2.50		16.68		33.47		46.65		54.67		59.23		57.13		54.10		37.61		27.48	a	10.70	a	33.65
1979	-4.00	a	0.93	a	23.32		33.07		44.90	a	54.63		57.68		56.79	b	48.27		37.07	a	25.60		18.40	a	33.05
1980	8.48		5.83		19.90		36.17		47.13		53.86	b	60.10		60.57	a	50.72	a	33.20	a	26.93		13.52		34.70
1981	7.77		13.79		25.16		38.67		42.13		55.72	a	59.03		56.77		48.03		35.84		29.27		14.58		35.56
1982	-3.17	b	7.42	d	22.10	a	30.62	d	52.32	c	49.28	a	60.41	d	54.59	b	48.56	c	39.86	b	27.92	d	23.85	d	34.48
1983	15.73	e	20.81	a	26.21	b	34.07		42.32		56.00		63.74	d	61.39	c	48.48	a	41.52	d	29.27	d	4.38	b	36.99
1984	7.31	b	22.00	a	20.97	a	37.27		43.00		58.28	l	-----	z	54.00	y	49.13		41.97	b	27.20		17.35		29.58	c
1985	1.71		6.11	a	29.10		39.93		48.07	a	52.07	a	58.20	a	56.48		51.50		37.57	a	23.87		-0.77		33.65
1986	6.50	a	10.63	a	23.53	a	36.93	c	47.48	b	52.50		60.62	b	52.61		50.67		38.27	a	20.44	c	15.10		34.61
1987	11.00	a	18.42	b	24.47	a	36.83		47.47	a	57.03	a	62.19		56.03		47.32	b	34.03		32.13		21.50	a	37.37
1988	6.24	b	7.17		24.87	a	34.27		47.16		53.34	a	58.66	b	58.03		46.50	b	31.07	a	29.27		13.79	c	34.20
1989	16.79	b	0.54	b	18.83	a	33.27		45.10	b	53.50		59.16		56.03		44.31	a	34.21	b	18.13		-0.81		31.59
1990	13.84		9.46		25.23		33.93		39.90		51.57		54.48		52.81		45.00		32.77		30.10		11.16		33.35
1991	3.68		15.61		26.32		39.57		53.90		57.90		58.90		57.52		48.87		38.69	b	22.38	a	16.29		36.64
1992	17.90		20.86		24.32		34.40		45.26		51.87		55.42		50.93	a	46.97	a	34.90	a	25.40		13.77		35.17
1993	11.23	a	9.15	a	20.03	b	31.20		45.45		52.73		58.55		57.35		41.68	b	31.11	c	23.43		15.70	a	33.14
1994	-8.58		3.54	d	24.47	a	35.38	a	44.83	a	56.87		58.63	a	54.58		53.10	a	39.62	b	29.38	a	19.39		34.27
1995	9.90	a	9.70	a	24.74		30.73		43.23	a	57.97	a	61.79	b	64.26		45.17		36.77		17.07	a	9.33	a	34.22
1996	0.17	b	9.14	a	14.87		29.70	c	41.33	a	55.10		54.10		55.61		48.45	a	35.52		16.86	a	11.94		31.07
1997	4.10	b	11.93	a	20.77		30.93		39.87	a	56.48	a	59.16		55.87	a	49.41	a	38.45		25.10		21.53	a	34.47
1998	17.10		25.70	a	26.35		37.17		50.10	a	55.53		58.87	a	60.03		50.69	a	41.60	a	31.34	a	19.93	a	39.54
1999	5.81		23.77	f	24.03	b	38.90		48.59	b	56.55	a	65.00		56.97	a	47.23		36.14	b	31.03	a	17.16		38.86	a
2000	10.61		17.46	a	30.23		33.69	a	48.23		56.60		59.39		59.40	a	50.50		42.03		27.41	a	1.65		36.43
2001	10.00		9.07		21.13		38.50		49.13		55.04	d	61.29		61.77		48.62	a	38.74		35.73		23.48		37.71
2002	18.10		18.61		19.39		36.38	a	42.24	b	57.31	a	62.81		58.65		51.83		37.00	b	25.77		18.48		37.21
2003	7.27	a	6.00		21.13		32.93		45.94		54.03		59.06		60.45		49.30		36.73	a	28.07		20.06		35.08
2004	5.10		12.96	a	28.73	a	35.07		44.26		53.97	a	59.03		54.68		52.87		41.06		30.97		16.00	a	36.22
2005	9.43	a	18.64		19.65		37.10		43.74		60.60		60.76	b	60.48		53.59	a	40.32		27.93		11.42		36.97
2006	23.81		9.79		23.81		38.87		47.77		54.93		62.32		59.77		48.86	a	35.71		30.14	a	21.19		38.08
2007	15.16		3.38	b	25.84		33.69	a	49.04	c	56.93		58.58		61.50	a	51.31	a	46.96	d	26.00	a	11.13		36.63
2008	8.42		4.93		19.10		36.93		41.19		56.20		59.03		56.48		52.77		39.03		27.50		4.00		33.80
2009	-1.45		11.71		22.23		33.77		47.03		55.53		54.71		57.06		50.90		37.23		32.70		15.61		34.75
2010	10.29		12.64		26.29		39.87		49.65		58.13		63.94		61.74		49.60		38.58		29.23		11.06		37.59
2011	7.77		9.68		20.68		34.77		45.77		56.90		64.68		58.61		49.20		40.13		30.33		21.77		36.69
2012	13.19		19.82	a	37.97		35.63		50.32		57.83		66.61		58.39		47.00		36.19		27.83		22.65		39.45
2013	8.94		8.74	a	16.06		32.87		46.87		57.00		61.42		58.74		51.17		39.48		25.30		6.61		34.43
2014	-2.32		-1.18		13.74		31.83		48.06		59.33		57.55		59.81		49.23		38.90		20.80		21.87		33.14
2015	9.84		-1.18		20.19		36.03		49.32		55.13		59.26		59.10		56.50		41.90		31.80		29.10		37.25
2016	11.48		17.76		28.23		34.87		46.84		57.77		62.81		62.97		56.33		44.42		34.00		15.55		39.42
2017	15.90		20.64		23.39		38.33		44.19		57.22	c	59.43	c	56.17	a	51.67		44.32		25.13		11.23	a	37.30
2018	6.71		9.39		20.47	a	24.97		49.97	b	56.37		59.87		59.72	b	51.52	a	36.72	b	23.50		21.52		35.06
2019	6.65		7.07		17.94		34.67		43.62	b	53.63	c	60.71	x	58.21	c	55.70		39.10		23.30		21.35		32.84	a
2020	16.65		9.97		27.94		31.79	a	45.60	a	57.87		64.42		59.35		50.67		35.29		31.87		18.61		37.50
2021	14.03		1.58	b	28.06		37.30		46.77		60.60		60.35		61.48		51.59	a	47.42		25.80		22.29		38.11
2022	2.26		9.11		24.00		33.96	b	49.42		56.37		60.97		60.00		52.43		37.45		29.07		16.42		35.95
2023	21.19		14.32		23.74		36.43		46.26		55.90		60.35		58.74		55.13		43.45	b	26.30		27.71		39.13
2024	16.61		22.62		27.17	a	37.23		47.17	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.91	h
Period of Record Statistics
MEAN	8.66		11.22		23.46		35.08		46.28		55.72		60.07		58.03		49.95		38.65		27.30		15.44		35.76
S.D.	6.95		6.51		4.60		3.03		3.21		2.37		2.63		2.72		3.09		3.78		4.28		6.75		2.05
SKEW	-0.27		0.12		0.46		-0.62		0.07		-0.31		0.03		-0.21		-0.09		0.33		-0.66		-0.57		-0.05
MAX	23.81		25.70		37.97		40.20		53.90		60.60		66.61		64.26		56.50		47.42		35.73		29.10		39.54
MIN	-8.58		-1.18		13.74		24.97		39.87		49.28		54.10		50.93		41.68		31.07		16.86		-0.81		31.07
YRS	54		53		54		54		53		52		51		52		53		53		54		54		50