HORICON WWTP, WI

Average of Maximum Temperature (Degrees Fahrenheit)

(473756)

File last updated on April 25, 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	43.59	a	32.39		37.99	j
1971	21.81		28.00		37.26		58.97		69.10		83.00		80.71		81.45		77.53		69.61		46.97		33.84		57.35
1972	24.61		27.38		37.39		53.40		74.13		78.47		81.00	a	81.35		71.67		57.35		40.80		27.37	a	54.58
1973	32.10		32.11		49.84		54.27		64.68		80.20		86.06		83.58		72.50		66.97		45.23		30.62	b	58.18
1974	27.32		29.71		41.68		60.73		65.16		76.23		84.10		79.58		70.69	a	62.19		45.83		33.39		56.39
1975	30.81		30.00		36.71		49.83		73.39		78.30		85.39		82.90		70.50		66.97		52.71	b	33.42		57.58
1976	25.29		38.14	a	46.84		61.20		67.90		82.87		86.71		83.35		74.73		57.94		40.43		25.26		57.56
1977	15.19		31.71		51.23		66.57		81.29		78.33		86.32		77.16		71.37		60.13		44.80		28.74		57.74
1978	21.90		22.71		39.29		55.50		70.40	a	80.43		79.74		82.52		77.77		60.32		46.77		28.84		55.52
1979	16.94		22.54		40.13		53.47		68.39		77.87		82.68		77.47	a	76.87		59.00		43.77		38.61		54.81
1980	27.32		28.17		38.27	a	59.72	a	76.68		77.14	a	83.39		79.83	h	70.72	a	54.27	a	43.59	a	30.32		53.60	a
1981	25.32		31.96		45.43	a	58.77		66.74		77.57		79.90		78.19		68.83		55.06		47.67		30.03		55.46
1982	18.57	a	25.36		36.55		50.77		72.31	b	71.83		81.41	b	76.93	a	68.63		60.94		43.27		37.77		53.69
1983	29.26		33.54		39.97	a	50.30		61.16		76.80		85.04	c	82.75	c	71.53		59.93	b	45.61	b	19.77	a	54.64
1984	21.77		36.93		34.14	b	53.30		63.65		78.94	l	-----	z	78.75	w	69.83		60.61		44.37		33.90		46.50	c
1985	22.00	a	25.46	b	45.87		60.17		72.90		76.03		82.58		76.84		71.60		58.81		38.63		20.28	b	54.26
1986	25.61		26.56	a	43.61		60.87		68.94		76.20		81.90		75.35		69.27		58.58		39.30		31.26		54.79
1987	28.71		37.93		45.45		60.20		71.84		82.89	b	83.39		76.84		71.13		53.97		47.10		33.52		57.75
1988	22.87		25.90		42.97		57.07		75.23		83.60		85.74		84.19		73.47		52.68		44.17		31.97	a	56.65
1989	33.84		22.29		38.30	a	54.53		67.45		75.87		81.61		78.13		70.03		59.39		39.97		20.26		53.47
1990	36.48		33.57		45.19		58.47		63.32		76.50		79.81		78.52		73.47		58.52		48.73		29.87		56.87
1991	23.03		33.93	a	44.84		60.73		72.77		81.13		81.45		80.61		69.30		57.48		39.07		32.35		56.39
1992	30.29		34.97		41.35		50.37		70.23		75.83		75.81		75.32		68.63		57.16		38.57		31.06		54.13
1993	29.40	a	27.57		38.42		51.43		68.06		73.80		79.58		80.61		64.37		57.26		41.70		31.84		53.67
1994	15.50	a	25.59	a	42.65		57.90		70.39		79.80		78.94		74.90		73.67		60.71		47.77		35.97		55.31
1995	26.77		28.68		44.77		50.83		66.29		82.20		82.97		82.90		69.57		59.61		35.72	a	27.32		54.80
1996	24.61		28.69		37.87		51.27		61.97		75.63		77.87		79.74		71.83		60.74		35.97		28.65		52.90
1997	23.52		31.43		40.65		53.30		61.35		79.30		80.58		75.39		73.47		62.27	a	41.10		34.84		54.77
1998	31.06		40.25		42.52		59.57		75.39		78.47		85.06		83.74		80.00		61.68		49.52	a	38.61		60.49
1999	23.32		36.92	d	43.74		57.80		70.06		78.10		84.19		76.84		73.20		60.81		53.80		32.71		57.62
2000	27.74		37.34		51.65		56.07		69.35		75.00		77.87		79.00		71.83		63.65		42.11	b	21.68		56.11
2001	28.55		27.86		38.26		59.93		69.03		73.23	d	82.87		81.13		69.07		58.13		54.70		37.87		56.72
2002	33.81		38.57		37.87		55.03		63.97	a	78.27		84.94		81.32		76.33		54.68		42.40		36.16		56.95
2003	24.94		27.89		41.29		55.30		65.00		75.40		80.68		83.45		72.60		60.68		44.40		36.26		55.66
2004	21.26		31.14		44.84		58.80		65.39		73.77		77.90		73.84		77.40		60.58		47.63		31.45		55.33
2005	25.03		33.82		38.13		61.57		64.00		82.10		81.94		80.81		77.97		61.68		45.97		24.68		56.47
2006	36.52		28.75		42.10		61.50		67.10		77.13		83.58		80.32		68.43		54.29		47.87		35.81		56.95
2007	31.68		20.89		45.70	a	53.97		72.81		79.30		81.61		80.10		74.50		65.48		44.20		27.10		56.44
2008	25.29		23.79		36.03		55.87		65.94		76.50		81.87		80.26		73.30		58.48		44.13		26.61		54.01
2009	17.52		31.82		42.48		54.60		67.58		76.17		75.39		77.13		74.27		52.19		51.00		28.55		54.06
2010	24.71		29.93		48.39		62.37		70.45		76.93		82.74		82.42		69.83		64.84		47.57		26.16		57.19
2011	22.87		28.00		38.71		52.10		64.58		76.03		85.10		80.68		69.43		62.90		46.60		36.42		55.29
2012	31.32		36.76		57.81		57.50		73.23		81.83		90.27	a	80.68		72.77		59.26		45.47		36.03		60.24
2013	28.35		27.22	a	33.48		50.57		69.23		76.23		80.03		80.39		74.77		59.55		41.73		24.77		53.86
2014	18.16		20.43		33.42		52.80		67.45		78.00		77.29		79.52		71.93		57.48		35.90		33.32		52.14
2015	24.68		19.68		42.94		58.07		69.19		75.43		79.68		77.97		77.33		61.35		50.27		40.84		56.45
2016	25.39		32.55		46.68		53.67		69.29		78.60		81.48		81.55		75.13		62.58		53.20		27.39		57.29
2017	28.74		39.43		40.16		58.90		64.87		77.90		79.29		76.32		75.30		61.97	a	42.60		26.81		56.02
2018	24.45		27.11		39.68		44.27		72.20	a	73.33		79.19		78.62	b	73.38	d	53.60	a	35.87		33.68		52.95
2019	23.35		25.50		37.87		53.70		61.55		73.00	c	81.38	r	77.45	b	72.62	a	56.61		36.17		35.97		50.34	a
2020	30.84		30.07		43.06		51.76	a	65.00		78.70		83.55		80.68		68.63		53.00		50.73		33.81		55.82
2021	27.61		21.50		47.74		56.73		67.00		80.80		80.65		82.23		74.76	a	63.77		45.31	a	37.27	a	57.11
2022	21.45		28.71		41.26		49.89	b	68.84		77.23		80.62	b	78.58		71.70		60.16		47.97	a	28.97		54.62
2023	31.29		32.63	a	40.06		57.77		69.37	a	79.14	a	82.94		79.87	a	73.79	a	61.13	a	45.50		40.00		57.79
2024	26.45		42.36	a	47.57	a	55.96	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	38.79	i
Period of Record Statistics
MEAN	25.87		30.03		42.04		55.92		68.56		77.78		81.87		79.64		72.51		59.60		44.55		31.34		55.86
S.D.	4.93		5.46		4.84		4.26		4.19		2.80		2.93		2.62		3.09		3.74		4.71		5.10		1.77
SKEW	-0.04		0.19		0.68		-0.12		0.46		0.20		0.19		-0.22		0.15		0.15		-0.02		-0.39		0.27
MAX	36.52		42.36		57.81		66.57		81.29		83.60		90.27		84.19		80.00		69.61		54.70		40.84		60.49
MIN	15.19		19.68		33.42		44.27		61.16		71.83		75.39		73.84		64.37		52.19		35.72		19.77		52.14
YRS	54		54		54		53		53		52		51		51		53		53		54		54		50