MERRILL, WI

Average of Maximum Temperature (Degrees Fahrenheit)

(475364)

File last updated on April 23, 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	77.33	s	70.23		54.68		40.40		31.30	a	49.15	h
1906	29.90	a	27.21		30.48		58.80		66.55		74.97		81.55		80.94		76.07		54.45		38.40		27.90		53.93
1907	20.34	b	28.11	a	42.13		44.17		59.48		77.10		77.94		74.52		66.10		54.47	a	37.17		29.19		50.89
1908	25.03		25.66		38.50	a	55.93	a	66.97		78.14	a	82.00		78.58		78.27		57.60	a	40.10		25.77	a	54.38
1909	24.00	a	26.11		-----	z	-----	z	59.23		78.23		84.55		85.10		72.50		58.97		53.40		29.00	a	57.11	b
1910	31.03		28.89		59.61		60.97		66.61		84.73		85.61		81.74		72.81	i	-----	z	-----	z	-----	z	62.40	d
1911	27.89	c	32.63	a	43.65		46.41	m	72.97		-----	z	-----	z	79.62	b	-----	z	55.48		35.83		34.23		47.79	d
1912	8.87	a	21.97		37.03	a	58.34	a	69.33	a	79.08	d	81.63	a	74.75	c	73.52	a	59.00	b	44.63		33.42		53.46
1913	26.00		27.21	d	39.12	f	58.18	b	67.43	c	82.97	a	80.97	a	83.00	a	73.89	b	56.72	b	46.74	c	38.67	a	58.34	a
1914	31.31	e	23.78	e	39.00	d	54.85	d	72.34	b	75.17	a	85.58		79.90		71.89	b	66.37	a	43.81	c	24.84	f	58.55	a
1915	22.81	d	35.48	c	39.17	a	65.73		62.93	c	72.52	a	78.83	b	76.59	b	71.39	b	58.13	a	43.08	d	29.68	f	56.97	a
1916	25.95	i	24.14	a	36.23	a	53.85	c	66.27	a	72.14	a	89.97		83.53	a	69.54	b	55.48		39.61	b	23.61	c	55.85	a
1917	20.64	c	17.60	c	36.71		51.61	b	65.27	a	71.87		84.34	b	76.21	b	69.50		46.75	c	45.18	b	21.11	d	50.57
1918	14.62	b	28.33	d	49.54	c	53.70		70.50	a	76.30		80.87		80.58		64.83		58.60	a	44.88	f	31.97	b	55.44	a
1919	28.39	h	28.58	b	40.69	b	53.90	a	67.74		81.33		83.68		78.03		71.40		53.83	b	36.92	d	19.41	d	55.96	a
1920	17.29	c	26.11	a	41.61	c	47.69	a	70.32		79.17	a	80.50	a	81.33	a	75.17	a	67.03	a	38.26	c	30.41	d	54.57
1921	29.29	c	31.78	a	41.92	e	60.92	f	72.87	a	84.33		89.87	a	81.53	a	74.97	a	60.57	a	34.14	b	27.37	d	57.15	a
1922	23.54	c	26.17	d	40.37	a	55.23	d	74.90	a	78.00		78.97	a	80.47	a	71.23		-----	z	40.95	h	24.18	i	58.76	c
1923	25.70	a	20.12	c	32.74	d	51.93	c	66.43	h	75.00	b	83.65		76.81		71.50		58.82	c	46.50	b	38.62	b	52.85	a
1924	20.29	g	30.74	b	38.26		49.24	a	61.00	a	74.20		79.16		77.19		67.90	a	68.20	a	41.00	g	19.57	a	56.55	b
1925	24.85	d	31.88	c	44.79	c	64.63		66.90	a	78.14	a	81.65		82.60	a	74.24	a	49.83	a	43.36	b	26.54	e	55.78
1926	28.73	e	31.41	a	35.64	f	53.26	c	71.68		73.22	c	81.35		78.50	a	65.37		54.25	c	36.74	c	26.13	a	54.60	a
1927	23.08	e	33.62	b	43.53	a	54.71	b	62.33	d	74.72	a	79.17	a	76.35		71.00	a	62.21	c	38.75	b	23.35	e	53.57
1928	25.74	d	28.85	c	39.86	b	48.96	e	72.47	a	72.40		81.97	b	79.94		67.59	a	58.58	e	41.96	d	34.27	e	54.38
1929	14.16	f	22.68		38.24	f	57.17	a	65.61		75.21	a	82.81		79.26		71.17	a	61.20	a	41.52	e	26.69	b	58.33	b
1930	20.04	c	34.81	b	39.54	c	59.47		69.86	b	78.30		85.35		86.55		74.76	a	55.10	b	49.32	e	30.32	c	56.95
1931	32.30	d	38.50	b	38.23		60.72	a	69.66	b	81.57		86.03		81.00	b	77.24	a	63.07	a	51.04	b	-----	z	61.76	a
1932	-----	z	32.74	b	32.43	c	48.42	d	66.26	d	82.90		85.52		82.90	a	73.82	b	55.04	e	39.72	e	30.19	e	57.27	a
1933	36.00	f	23.96	c	-----	z	53.36	b	70.92	f	87.14	a	88.87		83.29		78.97	a	-----	z	-----	z	26.70	a	63.18	e
1934	33.08	e	26.62	b	33.85	d	51.23		82.86	b	85.68	b	88.07	a	78.65		-----	z	-----	z	-----	z	-----	z	60.00	d
1935	21.22	d	29.35	b	40.21	c	53.46	b	63.45		71.66	a	86.52		79.16		70.41	a	57.55	b	35.88	e	27.15	e	53.00
1936	17.57	a	15.08	d	38.52	d	46.60		74.79	b	76.70		91.48		82.84		75.66	a	55.11	c	38.87	g	30.67	d	55.00	a
1937	23.92	f	26.29	d	36.17	a	49.20		70.50	a	78.00		87.42		88.13		73.87		54.16		38.27		25.48		57.04	a
1938	22.87		32.21		47.48		57.10		67.26		76.67		80.55		82.39		67.03		57.90		37.33		25.10		54.49
1939	27.68		23.93		38.23		52.17		72.90		74.27		82.60	a	79.69	e	71.70		57.06		44.60		34.42		54.94
1940	17.90		28.79		32.61		53.97		65.58		74.87		82.94		77.23		73.60		61.10		39.27		29.48		53.11
1941	25.45		28.04		36.06		62.90		72.55		78.70		82.23		79.87	a	71.40		56.97		43.47		32.73	a	55.86
1942	26.81		26.93		40.32		64.67		65.94		75.43		79.83	a	77.55		67.33		61.42		42.93		23.42		54.38
1943	-----	z	31.68		32.48		53.50		67.03		78.23		83.61		80.68		66.25	b	61.65	k	36.23		32.03		56.17	b
1944	36.23		30.59		33.35		53.37		71.93	a	78.57		80.65		82.16		69.50		61.32		44.27		24.90		55.57
1945	20.90		27.86		50.29		55.43		63.03		71.17		78.74		79.45		70.03		56.71		38.37		22.58		52.88
1946	26.00		25.46		48.32		56.83		63.61		74.87		81.26		77.68		70.80		61.19		42.86	a	29.39		54.86
1947	28.39		22.89		34.87		49.80		58.74		70.77		78.42		83.32		69.60		64.29		34.40		28.16		51.97
1948	19.62	b	30.41	l	37.90		60.53		68.74		77.33		82.19		82.32		77.60		59.97		40.47		29.07	c	57.80	a
1949	24.00	v	26.64		36.13		58.77		72.00		81.90		82.16		81.10		68.03		62.42		41.53		29.29		58.18	a
1950	23.83	a	27.26	a	33.08	e	43.83		67.17	a	77.17	a	77.07	c	74.71		69.60		-----	z	-----	z	-----	z	54.86	c
1951	-----	z	-----	z	-----	z	50.80		74.04	d	72.45	a	78.90		73.71		65.57		55.19		33.44	c	25.23		58.81	c
1952	25.77		32.41		35.29		61.00		68.35		78.20		82.16		77.74		72.10	a	55.23		43.90		31.00		55.26
1953	26.55		27.61		37.94		49.73		69.87		78.90		80.77		80.06		72.07		67.97		48.67		30.13		55.86
1954	22.39		37.79		36.35		57.07		60.90		78.87		81.10		77.74		67.13		55.13		44.13		29.65		54.02
1955	23.29		26.39		35.42		62.27		72.03	a	75.27		84.94		83.58		72.00		59.97		35.40		23.94		54.54
1956	27.90		27.66		35.48		50.41	a	67.26		79.67		76.42		78.03		68.47		66.16		40.90		29.94		54.02
1957	17.71		29.89		40.77		56.57		67.58		76.07		83.61		79.35		69.34	a	57.81		38.71	b	29.94		53.95
1958	27.81		24.64		40.65		57.87		69.48		72.83		78.97		79.03		70.23		60.26		42.48	a	22.00	a	53.85
1959	18.07	a	24.39		-----	z	55.24	a	72.71	c	77.86	b	81.38	b	80.50	a	69.86	b	51.60	a	31.90		33.33	a	54.26	a
1960	27.00	g	29.15	b	31.69	b	55.77	d	66.42		75.17		81.20	a	79.94		70.07		57.20	a	42.97	a	26.20	a	55.98	a
1961	23.65		33.96		39.47	a	49.30		64.06		77.60		80.06		79.35		67.93		57.81		37.33		25.42		53.00
1962	17.07	a	21.85	b	36.26		51.27		69.27	a	74.55	a	76.80	a	80.00	i	65.28	e	59.03		40.50	d	26.61	c	48.95	a
1963	12.48	b	21.46		41.84		59.43		66.30	a	80.70		84.87		78.29		71.18	b	68.74		46.03		20.19		54.29
1964	29.00		31.31		36.00		56.17		73.42		78.45	a	84.16		76.77		66.34	a	56.32		44.50		23.29		54.64
1965	21.11	c	25.29		31.40	a	49.10		72.13		75.63		78.97		76.26		62.70		58.68		40.00		31.87		51.93
1966	17.50	a	28.39		41.84		50.47		64.80	a	79.93		86.03	a	76.39		70.97		57.60	a	38.20		26.83	a	53.25
1967	25.93	a	22.43		38.35		54.70		64.00		77.10		79.37	a	77.86	b	69.86	a	54.87		36.60		28.03		52.43
1968	23.90	b	25.69		47.62	b	58.55	a	65.42		75.97		81.14	b	79.87		-----	z	59.70	a	40.33		26.10		53.12	a
1969	21.29		30.18		36.70	a	57.67		70.65		68.57		-----	z	83.55		70.33		53.48		40.48	a	28.26		51.01	a
1970	17.43	a	27.21		36.03		-----	z	70.26		80.83	a	85.77	a	81.86	b	71.34	a	59.70	d	38.96	g	26.06	m	58.94	c
1971	17.77	a	27.00	a	35.19		56.39	b	67.35		81.86	b	78.83	a	77.80	a	71.43	b	64.48	b	41.14	b	28.10	a	53.95
1972	21.03		24.28		36.45	b	49.43		74.57	a	77.83	a	78.74		-----	z	68.77		54.38	b	37.20		22.47	a	49.56	a
1973	27.32		29.93		47.71		53.41	a	62.93	a	77.83	a	84.10	b	81.79	b	69.65	d	-----	z	40.27		-----	z	57.50	b
1974	24.55	b	31.43	e	38.27	a	58.69	a	-----	z	-----	z	-----	z	75.42	g	62.11	c	55.93	c	39.14	a	28.97	b	42.39	d
1975	22.25	c	25.48	e	35.07	a	50.07		74.13	a	76.93	c	83.23		80.39		65.07	b	61.47	a	47.37		26.90		54.03
1976	19.71		32.72		36.48	b	56.40		65.19		80.37		84.06		79.84		69.03	a	52.52		33.93		18.42		52.39
1977	11.65		28.29		44.03		59.73		77.74		74.27		81.77		74.06		66.33		56.77		39.77		24.87		53.27
1978	19.29		23.25		37.77		50.83		68.35		74.23		75.58		78.23		71.73		54.42		40.97		23.06		51.48
1979	12.58		20.00		35.55		49.23		60.68		73.60		80.42		74.48		70.87		52.68		37.27		32.26		49.97
1980	22.23		25.43	a	34.13		55.77		71.48		73.90		81.32		76.94		66.83		51.48		42.00		25.00		52.21
1981	26.00		30.18		42.55		55.97		66.87		73.97		78.52		77.13		66.66	a	52.32		46.00		27.81		53.66
1982	15.47	a	25.82		35.10		49.13		70.81		70.45	a	80.42		76.32		64.90		56.90		39.03		31.68		51.34
1983	26.55		32.54		39.00		48.87		60.03		75.87		84.42		82.35		69.53		56.45		41.93		15.65		52.77
1984	20.35		35.24		32.71		56.97		62.73	a	76.33		78.68		79.10		65.60		58.16		40.03		27.90		52.82
1985	20.77	a	24.11		43.45		56.73		70.77		72.70		79.23		75.19		66.87		55.68		33.41	a	15.68		51.22
1986	23.35		24.36		39.65		58.43		69.84		76.10		79.55		73.71		66.47		54.77		35.30		27.87		52.45
1987	26.45		35.57		44.90		61.13		69.70	a	79.40		82.16		76.84		70.60		49.13		42.83		30.48		55.77
1988	19.23	a	21.69		37.55		55.40		73.71		81.27		84.35		81.29		69.30		50.00		39.47		26.26		53.29
1989	29.29	c	18.64		32.81		50.57		66.42		73.40		81.81		78.77		70.07		59.55		34.67		15.45		50.95
1990	31.55		28.67	a	42.03		56.50		62.71		74.33		77.84		76.68		69.40		54.77		45.03		26.00		53.79
1991	18.68		29.93		40.06		57.30		68.81		79.77		76.71		79.00		64.77		54.84		33.17		27.35		52.53
1992	25.74		31.03		36.94		48.13		69.00		72.07		72.97		74.06		65.23		55.32		34.57		27.35		51.04
1993	22.42		25.82		39.77		47.90		64.42		70.40		76.84		77.61		61.90		53.26		36.33		26.94		50.30
1994	12.58		21.04		39.65		53.40		68.45		78.07		76.45		73.58		71.10		58.77		44.23		32.52		52.49
1995	23.94		25.96		41.65		46.43		65.06		81.40		80.13		80.23		67.37		55.00		30.13		23.00		51.69
1996	22.00		23.93		30.48		48.40		62.39		73.57		75.06		78.10		67.47		57.06		32.80		24.16		49.62
1997	19.19		28.50		36.45		52.27		59.58		77.67		77.23		72.94		69.97		56.26		35.90		32.32		51.52
1998	25.42		38.25		39.00	a	59.90		75.16		74.07		81.68		81.03		77.17		58.77		43.37		34.35		57.35
1999	19.77		33.71		41.39		58.50		69.23		76.70		82.58		75.87		68.90		55.65		49.90		28.81		55.08
2000	23.52		34.17		48.26		53.57		68.32		72.27		77.61		78.26		68.63		60.81		38.80		18.06		53.52
2001	27.65		23.93		37.55		56.63		68.10		73.60		80.87		80.39		67.59	m	54.61		49.97		32.87		53.29	a
2002	29.81		33.57		32.52		51.00		60.74		76.57		84.00		78.10		70.80		48.87		37.70		30.00		52.81
2003	20.65		22.14		37.87		53.43		65.52		75.00		80.39		81.94		70.20		56.10		37.83		30.90		52.66
2004	16.06		26.59		39.32		54.33		62.16		72.27		77.32		72.26		74.80		56.10		42.50		26.39		51.67
2005	20.13		30.89		35.06		58.73		61.55		80.57		82.94		79.55		74.50		58.81		40.50		23.16		53.87
2006	31.58		23.75		38.65		60.57		65.68		77.10		85.87		78.06		65.70		51.13		42.70		31.61		54.37
2007	26.81		18.82		42.71		53.60		72.03	a	79.97		81.32		78.94		71.73		61.03		39.30		23.84		54.17
2008	21.87		21.59		33.94		51.83		64.13		74.10		80.94		79.87		71.40		55.35		39.80		21.39		51.35
2009	14.77		27.96		37.61		52.80		66.16		74.47		74.23		75.61		73.40		48.06		47.27		23.58		51.33
2010	22.26		29.50		48.90		62.23		69.87		73.53		80.71		80.26		65.60		59.90		41.13		23.77		54.81
2011	18.71		25.54		34.52		49.27		63.65		75.30		83.58		79.13		66.47		59.45		42.87		31.42		52.49
2012	27.52		33.48		54.45		56.77		72.52		80.60		88.03		80.35		70.77		53.58		41.13		30.68		57.49
2013	23.61		22.39		31.65		44.50		67.16		73.63		80.32		79.19		71.33		54.26		36.20		17.19		50.12
2014	12.13		14.75		29.55		47.20		65.65		77.30		75.65		76.06		68.10		53.26		30.00		27.71		48.11
2015	19.81		15.46		39.61		55.97		68.52		75.10		80.42		74.68		74.43		57.00		46.60		35.16		53.56
2016	21.94		28.83		44.03		51.62	a	68.61		78.17	a	81.27	a	80.16		71.40		58.58		50.11	b	25.64	f	57.70	a
2017	24.52		34.07		36.81		56.80		63.42		75.93		80.94		74.61		73.00		58.48		36.60		22.39		53.13
2018	22.71		23.64		38.71		43.47		76.39		78.33		82.58		79.97		70.80		49.65		31.60		30.16		52.33
2019	19.68		21.00		34.16		50.87		61.71		76.40		82.50	a	76.90		69.87		52.39		32.67		27.55		50.47
2020	26.94		27.14		40.58		50.10		64.97		78.03		83.03		79.68		66.24	a	48.06		46.23		30.61		53.47
2021	26.13		18.32		46.68		54.90		65.39		80.80		81.45		80.00		72.13		62.42		40.90		30.10		54.93
2022	17.55		23.14		35.42		46.27		67.48		77.47		80.65		77.29		70.80		57.13		42.60		23.90		51.64
2023	26.58		28.18		36.26		51.53		69.48		79.50		80.39		79.29		71.67		56.45		41.87		37.03		54.85
2024	24.87		39.59		43.71		53.26	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.06	i
Period of Record Statistics
MEAN	22.91		27.33		38.83		54.14		67.76		76.72		81.53		78.97		70.07		57.07		40.43		27.42		53.22
S.D.	5.10		4.99		5.12		4.76		4.40		3.43		3.36		2.89		3.41		4.30		4.70		4.70		1.80
SKEW	-0.20		-0.04		1.07		0.03		0.27		0.38		0.31		0.16		0.13		0.32		0.19		-0.29		-0.13
MAX	36.23		39.59		59.61		65.73		82.86		87.14		91.48		88.13		78.97		68.74		53.40		38.67		57.49
MIN	8.87		14.75		29.55		43.47		58.74		68.57		72.97		72.26		61.90		46.75		30.00		15.45		48.11
YRS	108		117		112		114		115		116		115		115		114		112		110		109		81