MONTELLO WWTP, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(475581)

File last updated on April 24, 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
1954	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	46.92	r	39.69	b	27.77		16.52	b	27.99	i
1955	9.93	a	8.56	a	18.55		40.57		48.42		53.97		63.00		60.23		45.53		38.55		23.37	c	9.42		35.01
1956	8.35		9.48		17.74		31.00		45.10		57.93	a	56.52	b	57.48		44.40		39.84		24.57	b	14.50	a	33.91
1957	1.33	a	15.57		21.65		38.44	e	44.87		55.03		59.94		54.87	a	45.89	c	33.69	b	25.10		16.33	a	34.39
1958	9.93	b	5.00		20.97		32.43		41.77		48.33		55.54	r	54.55		48.43		41.45	b	28.60		6.79	b	30.75	a
1959	-0.42		2.19	a	17.37	a	33.73		49.32		55.40		57.61		61.87		49.34	a	35.55	b	16.32	k	22.43	j	36.20	b
1960	12.06		11.76		8.04	d	36.04	c	43.35		50.63		56.39	c	56.84		50.37		36.48		25.50		9.06		33.04
1961	3.88	f	15.54	b	25.97		31.93		41.10		54.56	c	58.23		57.39		47.48	e	38.42		25.63		9.61		36.90	a
1962	2.23		6.96	c	19.48		32.60		49.65		53.17		55.71		55.48		44.80		40.10		25.53		6.72	f	35.06	a
1963	-4.45		-0.54		18.16		32.77		39.90		53.57		58.52		54.26		46.30		45.52		27.83		3.00		31.24
1964	11.97		12.07		17.58		34.23		48.45		52.70		58.42		52.77		45.33		32.32		25.73		7.58		33.26
1965	2.55	b	5.79		15.61		30.93		45.90		50.77		54.81		52.94		45.53		35.71		24.90		21.07	a	32.21
1966	-3.83	a	9.07		23.84		32.67		40.71		53.63		59.23		53.00		46.47		36.48		25.47		11.27	a	32.33
1967	10.55		2.29		20.90		33.97		38.55		56.30		56.23		51.77		45.60		37.77		25.00		15.71		32.89
1968	9.35		7.17		26.58		36.50		43.77		52.37		56.23		55.26		48.90		38.52		25.67		11.03		34.28
1969	5.87		12.82		14.74		36.50		44.61		47.87		57.71		56.16		47.43		35.77		22.50		13.10		32.92
1970	-0.68		6.93		17.71		36.33		46.84		56.63		60.94		56.23	a	50.60		41.57	a	-----	z	12.16		35.02	a
1971	-0.19		10.71		19.14	b	33.10		43.26		58.87		58.83	a	55.84		53.37		46.61		27.00		-----	z	36.96	a
1972	0.48		9.03		18.84		31.33		49.90		53.27		57.03		58.45		50.40		37.13		28.20		11.26		33.78
1973	14.17	a	15.21		31.39		34.10	i	45.37	a	59.20		63.55		62.58		52.63		44.90		28.00		14.68		39.24	a
1974	11.94		10.75		25.87		38.57		46.76	b	55.47		64.39		59.55		49.63		40.84		30.37		20.87		37.92
1975	11.97		12.14		18.06		31.60		53.10		59.87		64.10		61.23		45.43		38.63	a	32.00		17.00		37.09
1976	2.55		16.76		25.13		35.93		42.16		55.20		58.58		52.58		43.23		31.10		16.90		0.90		31.75
1977	-7.45		11.54		30.13		39.26	c	51.10		54.47		63.55		53.97		52.20		39.58		27.79	a	11.45		35.63
1978	1.03		2.46		17.84		33.67		48.32		56.30		62.10	b	60.27	e	53.77		37.35		25.63		12.16		34.24
1979	-3.81		0.39		24.23		33.41	a	44.90		56.40		59.68		57.35		50.50		34.76	b	28.64	b	20.00		33.87
1980	9.43	a	6.07		18.65		37.00		48.87		54.77		62.77		60.10	a	-----	z	-----	z	-----	z	-----	z	37.21	d
1981	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.97	a	54.68		46.38	a	35.23	a	23.31	a	16.17	b	39.29	f
1983	11.81		16.86		22.90		31.73		41.71		53.57		61.03	a	57.13		44.47		33.81		23.71	b	-4.65		32.84
1984	0.40	a	13.97		14.16		33.79	a	40.84		56.40		57.65		59.13		45.70	c	41.97	a	25.48	a	15.16		33.72
1985	2.13	a	5.11		25.33	a	39.48	c	47.77	a	49.90	a	53.53	a	52.11	c	48.15	c	35.24	b	20.12	e	-2.93	b	31.33
1986	6.26		10.82		25.27	a	39.48	a	47.65		54.31	a	61.13		53.52		50.87		38.35		19.77		17.31	b	35.39
1987	12.74		18.46		26.35		37.60		47.42		57.50		62.87		58.13		49.63		31.83	a	29.17		21.77	a	37.79
1988	0.62	b	3.90		22.29		32.83		45.52		54.93		59.97	a	61.50	a	50.28	a	31.35		29.50		11.71		33.70
1989	14.57	a	1.96		16.23		31.21	a	43.55		53.10		59.55		57.39		45.33		36.42		20.63		0.90	a	31.74
1990	16.45		10.37	a	25.77		34.60		41.71		55.43		59.23		57.29		52.07		33.68		29.00		9.32		35.41
1991	2.13		12.96		23.84		37.87		51.84		57.27		59.19		56.77		47.23		36.13		19.28	a	14.27	a	34.90
1992	16.55		19.34		22.45		32.17		44.32		50.90		55.39		51.42		46.90		35.50	a	25.90		14.03		34.57
1993	6.17	a	7.82		20.42		31.03		47.00		53.40		60.87		60.65		43.80		34.37	a	24.53		17.19		33.94
1994	-4.65		1.68		22.77		34.07		43.84		56.03		58.32		55.03	a	52.90		40.14	b	29.37		18.10	a	33.97
1995	8.68		10.41	a	23.00		29.50		43.77	a	58.30		61.81		64.84		45.57		38.32		17.93	c	9.52		34.30
1996	2.63	a	8.00		14.93	a	29.10	a	42.30	a	56.00	b	56.23		56.03		48.83		36.57	a	18.62	a	12.90		31.85
1997	4.26		12.43		22.74		30.93	a	40.42		55.50		58.81		54.81		48.72	a	37.42		24.33		21.32		34.31
1998	14.71		25.11		25.70	a	36.73		51.03	a	55.30		59.32	c	59.47	a	50.73		39.48		30.66	a	17.87	a	38.84
1999	4.77		20.64		22.52		37.30		48.35		56.33		63.68		56.74		46.57		35.16		29.33		15.52	b	36.41
2000	8.10		17.00		28.71		33.17		48.03		55.93	a	58.71		59.67	a	49.33		40.52	b	26.80		0.23		35.52
2001	10.68		9.42	b	21.77	a	38.52	a	48.53	a	55.60		60.71		60.84		47.90		37.87		34.67		21.17	a	37.31
2002	16.97		19.63	a	18.45		35.53		42.83	a	57.60		62.13		58.03		51.00		35.47	a	23.67		16.77		36.51
2003	6.03	a	4.30	a	21.48		32.33		44.13		53.00		58.55		59.26		49.20		35.97		26.70		17.87		34.07
2004	4.16		11.07		28.03	a	34.28	a	44.55		53.70		58.26		53.68		51.73		38.90		29.70		13.37	a	35.12
2005	6.68		18.25		19.10		36.47		43.55		59.30		60.19		57.50	a	51.90		39.00		26.57		11.23		35.81
2006	22.26		12.26	a	24.73	a	38.47		48.24	b	53.80		61.71		58.90		47.10		34.32		29.53		20.90		37.69
2007	14.94		5.14		25.83	a	34.03		48.48		55.45	a	58.97		59.97		49.37		43.90	a	25.31	a	9.73	a	35.93
2008	6.03	a	2.86		16.90		35.37		42.16		56.53		59.74		55.84		-----	z	36.55		26.10		2.81		30.99	a
2009	-3.03		11.79		20.03		33.30		46.65		55.57		54.71		56.26		49.17		35.29		31.41	a	13.13		33.69
2010	7.48		13.11		25.29		38.53		48.10		57.43		63.35		62.19		48.23		37.48		26.97		9.48		36.47
2011	5.03		10.00		20.16		34.40		45.74		56.33		63.74		58.81		47.20		38.00		28.73		18.81		35.58
2012	12.52		19.17		37.06		34.83		49.58		56.43		65.20	a	57.42		45.43		35.16		26.13		20.00		38.25
2013	7.97		8.75		15.74		31.73		46.68		56.43		59.90		57.23		48.43		36.55		23.33		5.35		33.18
2014	-2.74		-2.07		12.81		32.27		46.52		59.70		56.45		58.77		48.10		37.65		20.03		20.00		32.29
2015	9.29		-3.14		19.58		33.80		48.03		54.87		57.94		58.13		54.70		39.74		31.57		28.03		36.04
2016	9.74		14.90		28.06		33.73		45.48		56.50		61.48		61.84		55.00		43.32		32.37		15.06		38.12
2017	13.87		18.54		22.97		38.27		45.06		56.33		60.16		55.65		51.40		41.90		24.27		12.19		36.72
2018	7.23		8.29		21.16		25.10		52.45		59.73		59.97		60.77		53.34	a	37.97		23.57		20.52		35.84
2019	5.32		5.43		16.77		35.10		44.03		54.67		63.06		56.77		54.10		37.55		23.13		19.55		34.62
2020	15.45		11.03		27.67	a	31.77		44.84		56.30		62.87		57.68		48.73		33.42		29.73		17.55		36.42
2021	13.71		0.29		28.32		36.90		45.87	a	59.17		59.97		60.00		50.00	a	45.84		24.60		20.10		37.06
2022	0.00		7.07	a	22.65		32.59	a	49.42		55.50		60.10		58.97		51.00		36.26		27.73		16.00		34.77
2023	20.81		13.70	a	22.87		35.53		45.90		56.07	a	59.97		58.71		53.57		42.07	b	22.30	g	26.97		39.65	a
2024	17.68		22.03		25.55		35.17	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	21.75	i
Period of Record Statistics
MEAN	7.03		10.06		21.80		34.39		45.82		55.27		59.71		57.39		48.84		37.79		26.01		13.66		34.77
S.D.	6.68		6.15		4.86		2.96		3.22		2.53		2.64		2.91		2.94		3.42		3.65		6.64		1.91
SKEW	-0.00		0.07		0.15		-0.14		0.03		-0.62		-0.04		0.01		0.19		0.51		-0.31		-0.61		0.14
MAX	22.26		25.11		37.06		40.57		53.10		59.87		65.20		64.84		55.00		46.61		34.67		28.03		38.84
MIN	-7.45		-3.14		8.04		25.10		38.55		47.87		53.53		51.42		43.23		31.10		16.90		-4.65		31.24
YRS	67		68		68		66		67		67		67		68		66		68		65		65		57