MERRILL, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(475364)

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
1905	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	55.64	q	48.97		33.90		23.17		11.03		29.27	h
1906	8.26		0.79		7.48		32.97		41.90		52.23		53.57	a	57.71		50.90	a	34.00	b	25.20		11.35		31.36
1907	-1.42		1.68		21.13		24.13		35.00		51.86	a	56.71		52.65		46.07		34.87	a	24.86	a	12.26		29.98
1908	6.84		9.74	b	20.32		34.77		48.23		58.55	a	61.55		54.65		51.25	b	38.55		27.21	a	10.90	b	35.21
1909	5.39		11.29		-----	z	-----	z	42.19		52.07		-----	z	57.61		44.34	a	31.45		27.97	a	7.42		31.08	c
1910	0.80	a	-1.21		24.58		31.73		35.13		50.50		56.48		52.32		45.25	j	-----	z	-----	z	-----	z	31.29	d
1911	6.89	c	9.96	a	21.68		28.00	n	48.42		57.17		53.65		51.61		45.97		35.26		15.70		18.32		33.15	a
1912	-16.83	a	1.45		10.70	a	31.03	a	42.70	a	47.58	d	57.48		52.72	b	49.55	a	36.13		24.63		13.13		29.19
1913	4.84		-0.86		11.89	d	32.87		41.39		54.37		56.19		56.30	a	46.43		32.97		24.48	a	17.10		31.50
1914	13.65		-10.29		13.87		29.20		45.29		50.14	a	58.17	a	53.68		47.77		39.19		22.23		2.16		30.42
1915	0.67	a	16.71		14.84		38.57		39.65		47.43		52.06		48.13		45.87		36.35		23.63		10.84		31.23
1916	1.53	a	-0.07		8.52		31.43		41.10		49.73		62.45		54.87		45.73		34.55		20.62	a	0.81		29.27
1917	-6.93	a	-10.29		13.13		28.37		35.39		47.97	a	56.52		50.93	a	44.53		29.29		24.30		0.35		26.13
1918	-7.28	b	-1.68		20.35		26.60		44.45		50.69	a	54.39		53.61		38.80		33.77		27.46	b	19.96	c	30.10
1919	6.79	g	4.86		16.13		30.97		40.55		57.97		56.20	a	51.16		46.04	b	32.39		18.90		-3.68		31.95	a
1920	-8.03		1.90		15.26		25.57		39.90		53.40		53.45		50.84		46.30		40.90		23.00		13.68		29.68
1921	10.16		9.93		21.55		33.22	c	45.16		55.97		61.63	a	54.30	a	49.67		36.40	f	18.07		7.87		33.41	a
1922	-3.83	a	-1.57		16.03		32.03	a	48.90	a	53.43		55.32		55.06		48.10		35.68		29.77		2.42	e	30.95
1923	3.74		-7.22	a	3.26		25.17		34.22	h	53.33		-----	z	46.19		46.40		31.70	a	24.72	a	18.81		24.61	b
1924	-10.53	a	6.36	a	15.26		30.24	a	35.65		47.77		52.77		52.06		42.27		37.94		22.53		-0.71		27.63
1925	2.21	b	10.04	a	18.06		32.97	a	35.47	a	55.17		55.77	a	53.81		48.20		28.90		19.38	a	6.19		30.51
1926	-0.87		7.96		11.03		25.86	a	41.84		47.41	a	55.68		55.39		45.10		34.13		17.30		2.65		28.62
1927	-4.61		9.89		21.26		31.93	a	40.32		48.77		54.48		48.29		49.24	a	35.80	a	22.93		-3.45		29.57
1928	2.93	b	3.33	b	15.10		23.73		43.03		47.57		57.42		55.19		43.33		37.33	a	26.73		14.47	a	30.85
1929	-12.65		-9.68		18.94		32.87		39.30	a	49.67		55.81		51.81		45.73		33.61		19.10		10.43	a	27.91
1930	-2.47	a	8.25		16.43	c	30.77		44.35		53.43		54.39	c	53.10		45.80		36.77		24.00		12.10		31.41
1931	12.00		14.25		20.19		32.20		40.58		56.07		62.63	a	54.34	b	51.20		41.35		28.83		-----	z	37.61	a
1932	-----	z	5.19	b	11.77		28.53		41.81		53.57		55.40	a	53.77		42.77		33.89	c	17.68	b	5.68		31.82	a
1933	10.68	c	-1.75		-----	z	31.00		46.60	f	59.17		59.65		51.52		47.21	a	-----	z	-----	z	3.77	a	32.65	d
1934	8.23	e	1.43		11.74	d	30.43		47.84		57.93		57.39		51.23	a	-----	z	-----	z	-----	z	-----	z	33.28	d
1935	-4.58		7.86		17.81		29.83		38.58		48.70		61.68		56.74		43.27		33.94		20.90		8.97		30.31
1936	-2.06		-15.28		18.19		25.07		46.00		48.83		59.61		55.90		49.62	a	29.77	a	17.93		9.68		28.61
1937	-7.19		0.54		9.58		30.60		44.03		51.70		59.16		60.26		47.83		33.29		22.43		7.39		29.97
1938	4.87		13.04	a	22.81		34.37		44.10		53.27		57.55		58.32		48.00		40.39		25.77		11.61		34.51
1939	10.52		-0.32		15.77		29.27		45.68		55.00		57.71		55.12	e	47.97		35.74		21.83		19.45		32.81
1940	-0.68		10.62		11.03		27.40		39.52		52.77		57.39		55.39		46.60		36.90		20.63		11.13		30.72
1941	7.90		3.57		11.35		35.23		45.68		53.79	a	56.90		53.68		48.90		36.73	a	25.47		18.23		33.12
1942	8.55		6.11		21.87		35.93		42.60	a	52.93		56.16		55.45		45.63		34.65		22.20		8.55		32.55
1943	1.67	a	4.46		7.97		27.13		41.94		56.57		58.97		56.55		42.96	b	34.35	k	21.30		11.74		30.11	a
1944	15.00		10.79		15.55		28.43		47.81		55.23		55.26		56.68		49.50		34.26		32.17		9.58		34.19
1945	1.10		3.07		24.94		31.97		38.83	a	47.30		53.97		54.58		46.50		33.74		24.20		7.39		30.63
1946	6.71		4.71		28.03		31.73		39.48		51.40		57.26		52.71		45.73		38.74		24.03		10.32		32.57
1947	7.55		4.54		16.58		30.43		38.23		50.20		54.52		60.93	a	49.50		44.13		20.20		10.06		32.24
1948	-6.69	b	12.06	l	15.52		39.00		47.97		-----	z	62.71		54.61		48.33		33.74		29.60		8.44	d	33.32	b
1949	0.78	v	6.36		17.65		31.03		42.52		55.90		58.90		54.55		41.50		37.00		22.90	a	10.35		34.42	a
1950	-1.19		4.15	a	13.54	e	25.80		41.62	b	51.83	a	52.28	b	48.06		43.67		-----	z	-----	z	-----	z	31.08	c
1951	-----	z	-----	z	-----	z	31.24	a	45.67	d	49.03		54.71		51.71		43.83		35.87		15.00	c	8.74		37.31	c
1952	3.23		10.14		15.42		31.03		39.68		51.57		56.35		51.68		44.80		26.81		23.93		17.32		31.00
1953	9.68		3.43		19.35		28.70		41.00		53.27		54.74		55.55		45.47		37.35		26.20		12.97		32.31
1954	2.39		17.21		15.00		31.40		37.19		54.17		55.84		52.10		44.80		33.81		25.20		11.16		31.69
1955	1.50	a	2.29		10.03		34.77		42.90		51.20		61.26		58.19		45.93		37.32		18.72	a	3.32		30.62
1956	2.42		0.76		10.10		28.03		40.74		54.10		54.55		55.29		42.60		39.39		23.00		12.06		30.25
1957	-2.74		6.96		16.84		32.27		40.32		52.13		57.90		53.29		43.79	b	34.10		23.59	a	10.10		30.71
1958	9.32		2.54		18.48		30.27		38.81		45.87		54.13		52.81		47.30		39.13		25.24	a	2.43	a	30.53
1959	-3.90	a	-0.50		-----	z	31.34	a	46.37	d	52.67	c	56.00	b	60.33	a	48.57	b	34.53	a	14.70		19.86	b	32.73	a
1960	9.79	g	6.81	b	4.21	b	32.89	c	42.30	a	49.10		54.77	a	57.19		50.20		36.77	a	27.04	b	8.37	a	33.60	a
1961	4.32		11.46		20.20	a	29.10		37.66	b	50.37		55.35		55.32		46.83		36.42		21.37		6.13		31.21
1962	-2.28	b	-0.32	c	14.81		28.27		47.26		49.59	a	52.80	a	54.45	i	42.04	e	38.65		25.84	e	8.92	e	27.78	a
1963	-5.28	b	-2.21		17.29		32.21	a	40.65		52.86	a	57.19		53.42		48.21	a	43.87		29.07		2.68		30.83
1964	8.55		7.86		16.10		33.47		47.68		51.55	a	58.65		53.32		47.34	a	34.32		27.10		5.39		32.61
1965	-0.66	b	0.18		11.47	a	30.07		47.58		51.20		55.32		54.39		44.87		37.48		24.73		19.74		31.36
1966	-6.03		8.63	a	22.32		30.50		38.06		53.17		58.50	a	53.00		43.07		33.53	a	23.76	a	10.84		30.78
1967	7.52	b	-2.54		17.10	a	31.87		36.19		53.57		54.13	a	51.34	b	43.93	a	36.26		22.03		11.87		30.27
1968	4.24	b	0.55		22.97	b	32.21	a	41.23		52.97		56.23	a	55.32		-----	z	39.55		24.60		9.45		30.85	a
1969	2.00		5.75		10.52		33.17		43.45		46.87		-----	z	56.71		47.41	a	35.77		21.86	a	10.35		28.53	a
1970	-4.42		0.54		12.03		-----	z	44.53	a	55.28	a	59.40	a	54.31	b	49.41	a	41.43	c	23.62	a	10.03		31.47	a
1971	-5.48	b	3.26	a	11.68		28.07	a	36.65		54.25	b	49.36	f	50.76	b	46.25	b	43.87	a	25.61	b	10.86	c	27.80	a
1972	-5.74		-0.72		11.50	a	28.07		43.67	a	47.10	a	53.61		-----	z	44.90		31.34	b	24.50		4.57	a	25.71	a
1973	6.58		9.75		28.53	a	32.52	a	39.37	a	54.03	a	56.07	a	56.07	b	43.27	d	-----	z	23.33		-----	z	34.95	b
1974	-0.30	a	1.67	a	19.03	a	31.38	a	37.79	b	-----	z	-----	z	50.40	f	35.59	c	31.86	b	21.55	a	10.68	f	22.32	d
1975	1.26	d	2.57	e	10.43	a	26.67		46.63	a	53.72	a	57.42		50.50	a	40.48	a	35.10		25.80		8.23		29.90
1976	-5.23	a	8.75	a	14.50	c	30.17		36.41	b	48.67		49.71		46.48		38.33		24.50	a	10.97	a	-7.60	a	24.64
1977	-16.42		2.04	c	22.97		33.40		45.61		47.37		55.42		45.90		47.27		31.84		22.50		5.10		28.58
1978	-4.26		-8.48	a	10.26		28.97	a	41.94		48.17		54.52		52.45		46.00		30.87	a	16.83		-1.90	a	26.28
1979	-11.45	b	-8.21		15.84		28.27		37.71		47.70		53.23		50.63	a	43.41	a	33.46	g	20.96	f	12.58		26.97	b
1980	2.97		0.21	j	10.57	a	31.30		40.32		48.27		54.10		52.52		40.10		29.13		22.90		6.55		30.79	a
1981	-0.55		8.11		19.84		31.73		36.87		50.27		52.14	b	52.10		39.93		30.65		23.03		6.48		29.22
1982	-11.87	h	-0.15	h	14.25	g	24.67	c	45.85	d	41.54	d	53.66	b	47.19	d	41.57	i	34.96	f	21.48	e	16.96	f	39.06	f
1983	8.59	i	16.83	e	22.50	i	28.39	b	36.24	b	49.32	b	58.18	c	54.40	f	44.50	d	33.54	g	24.55	h	-3.09	h	38.91	f
1984	-1.08	e	17.62	h	10.33	g	32.93	b	35.82	c	52.79	a	51.68	c	55.55	b	42.10	i	39.50	i	20.42	f	7.00	g	37.95	f
1985	-0.59	i	-1.30	h	20.12	f	33.55	a	43.21	c	45.47		51.41	b	52.00		45.77		32.37	a	17.97	a	-5.26		35.17	c
1986	0.52		0.57		16.52		35.57	b	44.00	a	49.13		58.10	a	49.84		46.57		33.23		16.63		12.77		30.29
1987	8.81		12.33	a	21.94		30.40		42.48		53.17		59.16		53.81		44.10		28.32		25.83		18.58		33.24
1988	-5.13	a	-4.52		17.71		28.52	a	41.97	a	51.13		57.16		57.97		44.73		28.53	a	27.63		5.74		29.29
1989	8.68	c	-6.07		9.58		27.37		40.23		49.73		56.77		53.87		41.57		34.19		17.00		-5.42		27.29
1990	9.77		3.11		18.48		32.23		38.32		51.90		55.29		54.29		48.03		31.65		25.13		6.84		31.25
1991	-2.42		5.36		18.47	a	32.23		47.97		56.27		57.00		55.94		43.10		32.00		16.93		8.06		30.91
1992	10.45		12.90		16.23		30.10		41.26		47.67		50.58		49.67	a	43.67		31.74		22.63		10.45		30.61
1993	-0.19		3.07		14.71		26.80		42.10		49.87		56.52		54.87		39.37		31.10		20.07		13.32		29.30
1994	-9.52		-1.33	a	17.63	a	27.23		39.65		53.20		55.23		52.29		48.79	a	36.87		26.30		15.03		30.11
1995	6.94		4.25		19.32		24.73		40.48		55.77		56.94		60.94		40.97		36.45		13.73		4.47	a	30.42
1996	-6.00	a	0.76		9.06		25.30		38.97		52.60		52.97		53.48		46.90		33.35		16.57		9.81		27.81
1997	0.90		7.21		15.35		26.50		35.65		52.40		55.71		50.06		46.33		34.71		21.03		17.63	a	30.29
1998	11.26		21.96	a	20.57	a	32.80		46.16		51.83		55.55		55.29		46.00		36.63	a	27.77		11.19		34.75
1999	-2.35		12.89		17.03		33.73		45.23	a	52.87		60.26		53.06		43.10		31.58		25.60		10.68		31.97
2000	-0.52		8.24		25.00		29.10		43.55		50.90		55.97		54.58		44.70		36.23		23.17		-2.23		30.72
2001	6.37	a	1.57		14.87		33.07		44.35		53.30		55.32		55.45		40.62	n	32.81		30.67		17.26		31.37	a
2002	12.97		13.54		11.77		29.53		37.87		55.17		60.87		54.84		49.37		32.00		21.79	a	14.29		32.83
2003	2.06		-4.46		14.90		28.27		39.94		50.60		55.19		56.90		46.47		33.74		22.67		13.16		29.95
2004	-1.94		6.97		21.29		29.67		39.55		49.57		54.32		48.81		48.00		35.39		25.43		8.90		30.50
2005	1.38	b	11.43		12.80	a	33.03	a	41.03		57.77		57.81		55.10	a	48.30		36.40	a	23.13		10.63	a	32.40
2006	18.23		4.21		19.93	a	33.77		44.45		51.50		57.87		54.45		42.57		31.00		26.57		18.39		33.58
2007	10.58		0.25		21.42		29.73		45.74		54.23		58.16		56.19		48.53		41.77		22.37		5.26		32.85
2008	5.16		-1.31		9.48		30.73		38.06		53.17		56.23		52.48		48.43		35.13		22.57		-0.55		29.13
2009	-10.10		5.43		15.42		29.53		42.52		52.20		51.94		52.84		47.40		32.70	a	29.00		8.52		29.78
2010	6.35		8.68		23.55		34.80		44.94		55.00		60.68		59.10	b	43.97		34.68		24.73		9.84		33.86
2011	2.13		6.07		13.77		29.17		43.14	b	53.37		61.74		56.42		44.87		37.39		28.00		15.63	a	32.64
2012	8.55		13.48		33.00		32.57		46.03		54.73		61.77		52.97		42.77		33.13		23.70		16.45		34.93
2013	3.58		2.71		10.52		26.53		43.26		53.30		56.42		54.10		45.30		35.26		20.23		0.48		29.31
2014	-6.74		-9.04		6.19		26.43		43.32		55.87		54.45		54.68		45.13		34.90		15.50		14.74		27.95
2015	4.52		-6.93		16.32		31.27		43.35		52.47		56.87		54.74		51.87		34.97		28.00		24.74		32.68
2016	4.61		10.79		25.26		31.24	a	43.39		54.28	a	59.43	a	59.35		51.07		37.84		30.07	b	14.32	f	37.03	a
2017	8.58		13.00		18.10		33.67		42.16		54.10		57.39		53.19		48.67		37.81		20.53		6.55		32.81
2018	2.03		-0.21		16.06		20.03		49.68		56.17		58.19		57.03		50.53		32.68		19.23		16.84		31.52
2019	3.65		-1.18		8.74		29.97		40.71		51.73		59.87	a	53.71		51.23		35.19		20.50		12.77		30.57
2020	11.19		2.90		23.48		27.67		42.81		53.90		60.58		56.16		45.55	a	30.06		25.87		14.19		32.86
2021	10.13		-4.54		22.90		32.10		43.00		56.97		57.19		57.26		45.80		41.71		22.53		12.52		33.13
2022	-5.84		-1.25		16.42		28.67		45.84		52.23		57.68		56.74		47.03		34.00		23.73		10.32		30.46
2023	16.32		7.21		14.19		29.83		42.87		53.97		55.45		55.00		51.87		38.61		22.60		23.74		34.31
2024	15.32		17.28		19.77		31.42	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	17.46	i
Period of Record Statistics
MEAN	1.94		3.96		16.27		30.34		41.98		52.06		56.50		53.94		45.91		34.94		22.99		9.56		30.86
S.D.	7.10		6.74		5.27		3.09		3.54		3.13		2.73		2.98		3.09		3.56		3.91		6.29		2.02
SKEW	-0.19		-0.12		0.21		-0.23		-0.02		-0.29		0.20		-0.27		-0.47		0.15		-0.40		-0.32		-0.26
MAX	18.23		21.96		33.00		39.00		49.68		59.17		62.71		60.94		51.87		44.13		32.17		24.74		35.21
MIN	-16.83		-15.28		3.26		20.03		35.00		41.54		49.71		45.90		35.59		24.50		10.97		-7.60		24.64
YRS	111		113		111		115		116		116		113		114		113		108		112		109		85