HORICON WWTP, WI

Average of Average Temperature (Degrees Fahrenheit)

(473756)

File last updated on April 19, 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	36.91	a	22.40	a	29.66	j
1971	12.50		19.98		29.10		47.00		55.88	a	71.05		68.63		68.71		65.22		58.13		37.75		27.53		46.79
1972	14.23		17.81		28.35		42.82		61.34		65.20		69.43	a	70.18		60.88		47.45		35.03		19.18	a	44.33
1973	24.63		24.54		41.50		45.32		54.15		69.22		73.82		72.11		61.67		55.94		36.80		22.91	b	48.55
1974	18.95		19.64		33.60		49.30		54.98		64.98		72.45		68.18		58.45	a	50.98		38.27		27.02		46.40
1975	22.48		21.75		27.05	a	40.58		62.24		68.00		73.29		71.16		58.40		54.27		44.12	b	26.06		47.45
1976	15.47		28.07	a	36.23		49.18		55.44		69.92		73.44		69.37		60.30		45.77		29.13		13.95		45.52
1977	4.61		22.00		41.39		53.38		66.65		65.88		74.38	a	66.00		61.87		49.31		37.28	a	20.34		46.92
1978	12.76		12.61		27.98		44.48		58.22	a	67.55		69.48		69.82		65.93		48.97		37.24	a	19.67	a	44.56
1979	6.27	a	11.44	a	31.73		43.27		56.72	a	66.25		70.18		67.11	c	62.57		48.18	a	34.68		28.42	a	43.90
1980	17.90		17.00		28.95	a	47.81	a	61.90		65.65	c	71.74		70.11	h	61.00	b	43.73	a	35.10	a	21.92		42.97	a
1981	16.55		22.88		35.40	a	48.72		54.44		66.55	a	69.47		67.48		58.43		45.45		38.47		22.31		45.51
1982	8.02	c	16.35	d	29.52	a	40.19	d	62.29	c	60.47	a	70.87	e	65.64	b	59.11	c	50.41	b	35.85	d	31.43	d	44.18
1983	22.06	e	27.07	a	33.17	b	42.18		51.74		66.40		74.46	d	72.07	c	59.76	a	50.81	d	37.00	d	12.16	b	45.74
1984	15.36	b	29.38	a	27.83	b	45.28		53.32		68.61	l	-----	z	64.92	y	59.48		51.26	b	35.78		25.63		38.15	c
1985	11.87	a	15.60	c	37.48		50.05		60.37	a	64.05	a	70.33	a	66.66		61.55		48.18	a	31.25		9.38	b	43.90
1986	16.20	a	18.59	a	33.67	a	48.19	c	58.40	b	64.35		71.26	b	63.98		59.97		48.48	a	30.41	c	23.18		44.72
1987	19.78	a	28.31	b	34.53	a	48.52		59.60	a	70.13	c	72.79		66.44		59.16	b	44.00		39.62		27.48	a	47.53
1988	14.69	b	16.53		34.02	a	45.67		61.19		68.52	a	72.17	b	71.11		59.82	b	41.72	a	36.72		23.61	d	45.48
1989	25.10	b	11.06	b	28.57	a	43.90		56.31	b	64.68		70.39		67.08		57.14	a	46.88	b	29.05		9.73		42.49
1990	25.16		21.52		35.21		46.20		51.61		64.03		67.15		65.66		59.23		45.65		39.42		20.52		45.11
1991	13.35		24.54	a	35.58		50.15		63.34		69.52		70.18		69.06		59.08		48.12	b	30.98	a	24.32		46.52
1992	24.10		27.91		32.84		42.38		57.74		63.85		65.61		63.05	a	57.88	a	46.05	a	31.98		22.42		44.65
1993	20.59	b	18.63	a	28.88	b	41.32		56.76		63.27		69.06		68.98		52.66	b	44.05	c	32.57		23.98	a	43.40
1994	3.15	a	15.08	d	33.52	a	46.36	a	57.67	a	68.33		68.72	a	64.74		63.48	a	50.21	b	38.38	a	27.68		44.78
1995	18.30	a	18.89	a	34.76		40.78		54.63	a	69.95	a	72.52	b	73.58		57.37		48.19		26.14	b	18.12	a	44.44
1996	12.48	b	18.82	a	26.37		40.33	c	51.73	a	65.37		65.98		67.68		60.29	a	48.13		26.36	a	20.29		41.99
1997	14.29	b	21.85	a	30.71		42.12		50.67	a	67.90	a	69.87		65.73	a	61.38	a	50.48	a	33.10		28.33	a	44.70
1998	24.08		33.02	a	34.44		48.37		62.62	a	67.00		71.85	a	71.89		65.38	a	51.73	a	40.43	a	29.22	a	50.00
1999	14.56		29.98	f	33.97	b	48.35		59.10	b	67.19	a	74.60		66.88	a	60.22		48.59	b	42.17	a	24.94		49.14	a
2000	19.18		27.62	a	40.94		44.79	a	58.79		65.80		68.63		69.18	a	61.17		52.84		34.72	c	11.66		46.28
2001	19.27		18.46		29.69		49.22		59.08		64.13	d	72.08		71.45		58.67	a	48.44		45.22		30.68		47.20
2002	25.95		28.59		28.63		45.76	a	53.14	c	67.79	a	73.87		69.98		64.08		45.74	b	34.08		27.32		47.08
2003	16.10	a	16.95		31.21		44.12		55.47		64.72		69.87		71.95		60.95		48.40	a	36.23		28.16		45.34
2004	13.18		22.23	a	36.78	a	46.93		54.82		63.66	a	68.47		64.26		65.13		50.82		39.30		24.05	a	45.80
2005	17.28	a	26.23		28.89		49.33		53.87		71.35		71.29	b	70.65		65.60	a	51.00		36.95		18.05		46.71
2006	30.16		19.27		32.95		50.18		57.44		66.03		72.95		70.05		58.50	a	45.00		39.00	a	28.50		47.50
2007	23.42		12.06	b	35.58	a	43.69	a	60.52	c	68.12		70.10		70.83	a	62.83	a	56.44	d	35.19	a	19.11		46.49
2008	16.85		14.36		27.56		46.40		53.56		66.35		70.45		68.37		63.03		48.76		35.82		15.31		43.90
2009	8.03		21.77		32.35		44.18		57.31		65.85		65.05		67.10		62.58		44.71		41.85		22.08		44.41
2010	17.50		21.29		37.34		51.12		60.05		67.53		73.34		72.08		59.72		51.71		38.40		18.61		47.39
2011	15.32		18.84		29.69		43.43		55.18		66.47		74.89		69.65		59.32		51.52		38.47		29.10		45.99
2012	22.26		28.41	a	47.89		46.57		61.77		69.83		78.53	a	69.53		59.88		47.73		36.65		29.34		49.87
2013	18.65		17.94	b	24.77		41.72		58.05		66.62		70.73		69.56		62.97		49.52		33.52		15.69		44.14
2014	7.92		9.62		23.58		42.32		57.76		68.67		67.42		69.66		60.58		48.19		28.35		27.60		42.64
2015	17.26		9.25		31.56		47.05		59.26		65.28		69.47		68.53		66.92		51.63		41.03		34.97		46.85
2016	18.44		25.16		37.45		44.27		58.06		68.18		72.15		72.26		65.73		53.50		43.60		21.47		48.36
2017	22.32		30.04		31.77		48.62		54.53		67.39	c	69.20	c	66.33	a	63.48		53.22	a	33.87		18.47	a	46.60
2018	15.58		18.25		30.02	a	34.62		61.39	c	64.85		69.53		69.17	b	64.16	e	44.71	b	29.68		27.60		44.13
2019	15.00		16.29		27.90		44.18		52.53	b	63.31	c	71.79	x	67.75	c	64.21	a	47.85		29.73		28.66		41.58	a
2020	23.74		20.02		35.50		41.43	b	55.30	a	68.28		73.98		70.02		59.65		44.15		41.30		26.21		46.63
2021	20.82		11.13	b	37.90		47.02		56.89		70.70		70.50		71.85		63.17	a	55.60		35.66	a	29.82	a	47.59
2022	11.85		18.91		32.63		41.93	b	59.13		66.80		70.84	b	69.29		62.07		48.81		38.50	a	22.69		45.29
2023	26.24		23.15	a	31.90		47.10		57.85	a	67.50	a	71.65		69.23	a	64.45	a	52.29	c	35.90		33.85		48.43
2024	21.53		32.38	a	36.84	b	45.78	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	30.25	i
Period of Record Statistics
MEAN	17.28		20.55		32.73		45.44		57.41		66.74		70.96		68.81		61.26		49.13		35.94		23.39		45.80
S.D.	5.81		5.92		4.58		3.51		3.47		2.29		2.58		2.44		2.77		3.54		4.35		5.87		1.79
SKEW	-0.27		0.12		0.66		-0.34		0.19		-0.09		0.12		-0.32		-0.16		0.33		-0.25		-0.51		0.17
MAX	30.16		33.02		47.89		53.38		66.65		71.35		78.53		73.58		66.92		58.13		45.22		34.97		50.00
MIN	3.15		9.25		23.58		34.62		50.67		60.47		65.05		63.05		52.66		41.72		26.14		9.38		41.99
YRS	54		53		54		53		53		52		51		51		53		53		54		54		49