HATFIELD, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(473471)

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
1896	-----	z	-----	z	-----	z	41.27		-----	z	55.40		-----	z	51.26		-----	z	24.65		-----	z	-----	z	43.14	h
1897	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1898	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1899	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1905	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1906	12.45		10.77	b	-----	z	-----	z	48.45		56.27		67.00		-----	z	-----	z	-----	z	-----	z	-----	z	38.99	g
1907	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	50.94		40.00	h	-----	z	-----	z	-----	z	50.94	k
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	51.62	w	51.47		38.45		24.62	a	8.73	a	30.82	h
1909	4.30	a	5.10	g	15.33	a	28.43		35.39	m	-----	z	-----	z	57.35		48.04	f	23.74		22.27		4.25	c	22.24	e
1910	-1.90	j	-0.86		28.26		35.63		38.70	a	49.70		54.32		53.52		45.93		36.81		20.47		6.58	l	36.25	b
1911	-2.07	a	13.46	b	20.65		31.17		44.39		-----	z	53.61		50.32		45.67		37.13	a	13.03		15.06		29.31	a
1912	-19.67	d	1.11	b	6.65		33.27		44.89	d	46.97		56.83	a	52.06		47.77		34.21	b	21.83		11.06		28.08
1913	0.59	b	-1.89		13.26		32.63		41.45		52.50		55.90		55.90		46.27		33.48		27.50		16.97		31.21
1914	13.55		-7.00		16.73	a	31.03		43.00		51.97		57.29		53.90		47.13		38.29		22.53		2.53	a	30.91
1915	-1.16		14.26	a	15.38	g	31.33		-----	z	49.36	h	54.61		50.45		48.17		38.16		24.28	a	9.26		29.93	c
1916	3.17	a	1.76		14.55		30.31	a	40.94		47.20		60.86	b	54.06		43.93		35.45		19.83		-1.23		29.24
1917	-8.61		-9.61		13.87	a	29.00		35.42		47.55	a	55.70	a	49.10	a	42.13		27.26		23.70		0.23		25.48
1918	-11.63	a	-0.54		19.33	a	26.21	a	48.03		53.40		55.19		56.26		39.63		38.00	a	29.10		21.94		31.24
1919	10.92	e	12.29		17.93	c	32.60		39.31	r	58.46	b	57.14	c	53.35	e	51.75	r	36.26		20.79	a	-1.45		29.83	b
1920	-6.94		3.90		16.94		27.73		39.90		53.43		54.65		50.10		49.13		41.81	d	23.08	d	20.36	q	32.16	a
1921	14.50	o	11.38	b	24.27	a	36.53		46.16		57.67		61.45		55.00		49.63		36.71		19.20		10.16		37.11	a
1922	-4.87		-0.68		18.42		31.40		47.90		52.07		53.42		53.87	a	47.73	d	36.16		32.50		6.10		31.17
1923	7.16		-7.50		7.77		27.63		40.42		55.10		57.84		51.84		46.00		31.87		25.17		17.55		30.07
1924	-12.03		5.04	a	14.32		29.47		36.03		48.50		51.39		51.45		42.17		37.61		22.17		-1.32		27.07
1925	1.10		8.63	a	17.90		33.93		34.42		52.73		54.03		52.23	a	49.73		28.50	a	19.63		3.26		29.68
1926	-0.32		8.56	a	6.81		24.00		42.17	a	45.68	b	60.38	o	56.87	a	49.07		35.55		20.00		2.94		26.48	a
1927	-2.29		9.96	d	20.11	m	33.60		42.65		49.60		53.74		46.68		50.73		37.74		25.27		-2.42		31.39	a
1928	8.10		10.38		18.35		26.47		43.65		48.63		57.52		55.68		44.17		40.06		29.10	a	16.55		33.22
1929	-11.84		-6.25		21.45		34.87		39.48		51.23		56.35		53.00		45.80		35.29		19.93		11.35		29.22
1930	-6.32		13.93	a	18.55		32.73		45.48		54.50		55.94		53.26		46.07		37.55		24.23		12.19		32.34
1931	13.40	a	19.14		18.68		32.43		40.87		58.00		58.16		52.65		52.53		43.13	a	30.83		21.65		36.79
1932	10.38	b	5.04	a	9.97		29.83		43.65		54.70		56.19		55.00		41.27		34.26		18.53		5.90	b	30.39
1933	14.00		2.43		19.06		30.27		45.60	a	59.03		58.65		51.45		53.07		33.42		21.20		9.71		33.16
1934	14.32		9.25		15.94		32.27		46.74		56.77		58.48		52.52		47.41	a	39.10		29.50		5.19		33.96
1935	-0.84		10.39		20.10		31.90		39.97		49.60		63.10		56.61		46.40		34.13		22.20		10.29		31.99
1936	-4.65		-9.72		21.84		27.37		48.58		50.57		59.97		56.71		50.73		33.23		20.33		12.19		30.60
1937	-6.10		1.21		11.39		32.97		45.58		51.52	a	58.10		59.48		46.57		34.48		20.37		6.23		30.15
1938	4.65		14.43		23.39	c	35.43		45.16		52.60		59.35		58.55		48.44	c	40.10		25.37		12.32		34.98
1939	11.77		0.29		17.42		29.53		46.03		54.43		57.65		53.35		47.20		35.32		19.87		17.71		32.55
1940	-3.35		9.55		12.06		27.87		39.65		51.80		56.77		56.19		46.20		38.00		20.17		13.18	c	30.67
1941	8.65		3.27	b	13.42		37.52	a	48.32		55.70		57.84		55.48		50.43		38.77	a	26.00	a	18.90	a	34.52
1942	8.06		5.63	a	23.97	b	33.90		42.63	a	54.10		55.87		54.58		46.90		34.03		22.67		7.87		32.52
1943	-1.94		3.96		11.00		29.57		42.29		57.90		58.00		57.19		42.87		33.00		19.60		9.45		30.24
1944	12.55		7.10		15.06		27.20		47.55		55.73		53.65		55.00		48.40		32.68		30.79	a	7.71		32.79
1945	-0.35		1.68		22.58		31.40		38.32		45.27		53.00		52.97		44.33		32.71		21.43		3.90	a	28.94
1946	2.42		2.36		24.90	a	30.63		37.39		49.50		53.61		50.03		42.63		35.84		20.60		8.16		29.84
1947	5.26		-0.18		14.65		27.53		35.20	a	48.27		50.29		58.23		45.97		40.45		17.60		3.29		28.88
1948	-10.39		-1.21		9.52		32.13		37.29		47.37		54.19		51.42		43.20		29.29		26.10		4.94		26.99
1949	1.90		-1.14		15.42		24.62	a	42.35		52.37		56.81		51.84		37.87		33.71		25.90		9.65		29.27
1950	-1.68		3.64		13.32		26.13		41.87		51.77		52.06		50.26		44.63		39.52		16.73		0.42		28.22
1951	-4.43	a	4.50		12.90	b	30.57		45.58		48.47		54.65		52.42		43.40		35.00		11.67		7.58		28.52
1952	-0.26		12.00		14.61		32.00		42.10		55.67		58.58		53.10		43.30		24.71		24.67		15.94		31.37
1953	9.42		3.71		20.61		30.57		43.26		56.10		55.97		54.77		43.53		36.74		24.97		14.35		32.83
1954	0.68		19.32		15.35		32.80		37.87		54.23		57.32		53.06		46.97		35.48		26.37		14.16		32.80
1955	5.16		4.39		13.90		37.50		45.45		52.07		62.77		59.27	a	45.57		36.93	a	20.53		-----	z	34.87	a
1956	-----	z	-----	z	9.48		27.93	a	40.97	a	55.50		54.94		55.90		42.50		39.45		22.47		14.03		36.32	b
1957	-2.80	a	8.89		18.39		32.87		42.20	a	53.83		60.83	b	55.06		44.93	a	34.48		24.40		14.32		32.28
1958	8.81		1.43		19.19	d	33.13		41.61		47.43		54.11	c	55.03	b	47.75	b	38.89	c	25.80		1.48		31.22
1959	-5.37	a	-3.43		13.48	b	32.30		47.43	a	53.67		55.68		61.77		49.93		36.45		15.53		20.90		31.53
1960	11.65		11.66		6.90		34.69	a	44.00		49.10		53.87		59.87		49.60		35.97		26.67		8.39		32.70
1961	2.87		13.19	a	20.77	a	28.87		38.50	a	50.70	c	56.77		56.90		47.37		38.58		22.03		9.03		32.13
1962	2.32		4.61		18.23		30.23		49.39		51.03		52.74		51.52		41.60		38.60	a	24.17		10.06		31.21
1963	-6.52		-0.14		19.10		32.13		40.16		49.90		54.03		50.35		46.27		40.52		27.40		1.13		29.53
1964	9.45		9.07		16.32		32.70		46.48		49.73		56.71		51.87		45.90		31.00		25.17	a	5.03		31.62
1965	-1.68		0.04		11.06		30.23		46.29		47.79	a	52.23		51.19		44.30		33.97		22.55	a	19.55		29.79
1966	-10.06		5.29		21.94		29.20		34.94		49.20		56.26		50.35		40.43		32.26		23.67		8.06		28.46
1967	5.74		-3.36		18.03		32.83		34.42		51.77		51.39		47.39		39.77		33.29		20.90		10.48		28.55
1968	2.74		3.21	a	23.61		31.34	a	40.00		50.57		53.58		53.48		44.83		37.33	a	23.97		7.58		31.02
1969	0.10		5.11		9.10		32.20		41.45		45.17		55.26		51.77		42.53		33.87		19.73		11.71		29.00
1970	-6.00		0.81	a	12.84		30.71	b	44.45		50.93	a	55.16		50.06		44.71	b	36.32		23.34	a	6.23		29.13
1971	-6.81		3.11		12.71		27.80		34.13		53.87		51.00		49.39		46.37		43.45		24.40		11.52		29.24
1972	-5.61		-1.14		12.47	a	26.37		41.48		45.30		52.71		55.77		45.17		32.06		25.76	a	4.58		27.91
1973	5.87		11.25		27.45		30.48	a	39.35		52.73		56.29		56.42		46.47		38.65		23.20		7.13	a	32.94
1974	3.26		2.68		19.42		32.80		39.65		47.15	d	55.30	d	51.35		39.80		33.06		25.47		14.68		30.38
1975	1.52		4.14		10.74		25.70		43.26		51.83		55.79	c	52.80	k	40.97		33.87		23.90		9.26	d	27.36	a
1976	-3.74		13.07		20.65		31.67		35.90		-----	z	-----	z	-----	z	31.36	s	29.48		10.80		-5.61		16.53	d
1977	-10.61		5.43		25.32	c	34.27		47.71		50.32	e	60.68	f	50.39		50.03		34.00	a	22.73		7.29		28.81	a
1978	-6.58		-5.54		13.13		29.33		42.97		50.96	e	57.87		54.03		50.33		35.71		21.30		4.23		28.98
1979	-8.29		-2.32		20.42		29.03		38.94		50.82	b	54.42		54.32		43.78	c	34.61		24.50		15.35		29.63
1980	3.90		1.21	a	13.16		31.37		41.29		50.83		57.68		56.32		46.73		32.77		23.37		10.03		30.72
1981	3.35		11.25		20.81		33.97		38.35		51.48	a	56.77		56.45		44.40		34.97		24.50		9.16		32.12
1982	-6.79	b	4.18		18.84		26.50		47.48		45.27		57.23		53.77		47.93		37.23		23.80		18.73	a	31.18
1983	12.80	a	19.00		25.61		29.23		38.97		50.40		59.83	b	59.68		48.03		36.71		29.73		-1.35		34.05
1984	2.19		18.83		12.55		34.30		36.52		53.90		54.74		58.03		43.60		40.19		20.97		10.35		32.18
1985	1.84		4.82		24.35		36.37		44.58		45.60		53.16		51.58		46.80		36.31	b	18.30		-2.71		30.08
1986	4.90		7.11		23.26		36.43		43.83	b	56.34	a	60.13		50.74		49.14	a	37.10		16.96	e	13.57	a	33.29
1987	10.13	a	12.71		24.03		34.13		43.55		53.43		61.73	a	55.97		47.10		30.42		26.40		19.00	a	34.88
1988	-0.13		0.69		20.06		29.23		41.52		52.07		56.07	a	57.90		45.73		29.90	a	25.87		8.60	a	30.63
1989	10.90		-2.29		14.87		29.23		39.90		49.37		57.10		53.68		43.21	a	35.42		19.03	a	0.16		29.22
1990	14.19		7.86		23.71		32.87		39.42		52.64	b	56.35		55.48		51.36	b	33.00	f	27.29	i	5.58		33.95	b
1991	-0.06		9.75		22.55	b	33.08	f	50.06		56.21	a	54.83	a	55.50	a	44.93		33.50	o	16.58	d	11.74		32.21	b
1992	14.27	a	-----	z	21.03		32.97		43.10		48.20		52.03		-----	z	-----	z	-----	z	21.90	a	9.84		30.42	d
1993	1.13	a	5.85	a	18.13		31.17		45.86	b	50.19	c	59.77		59.13		41.93		35.52		22.28	a	-----	z	33.72	a
1994	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1995	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1996	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1997	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1998	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.58	d	28.14	x	-----	z	-----	z	43.58	k
1999	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2000	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2001	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2002	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	30.48		19.75	b	11.04	c	20.42	i
2003	0.65		-5.46		16.48		26.62	a	38.47	a	47.00		52.29		53.00	a	44.64	s	29.00	u	22.90	a	13.71		26.56	b
2004	0.84		8.76		23.87		29.17		38.45		46.82	s	-----	z	-----	z	-----	z	36.06		26.17	a	8.53	a	21.48	d
2005	3.39		13.93		10.32		33.11	c	40.00	a	56.43	b	56.29	c	52.90		47.70		34.40	a	24.54	b	9.55	b	31.88
2006	19.65		5.61		21.40	a	34.37		43.35		51.63		57.65		55.40	a	43.30		30.52		26.90		18.97		34.06
2007	10.81		0.82		23.50	a	31.58	d	44.21	b	51.43		54.23		56.17	a	45.28	a	41.16		23.27		6.55	b	32.42
2008	2.38	b	-0.79		10.63	a	31.31	a	36.61		52.07		54.45	b	50.94		47.85	c	34.21	b	23.28	a	-3.15	e	28.31
2009	-9.61		6.64		14.29	g	29.38	n	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-1.49	j
Period of Record Statistics
MEAN	1.59		4.89		17.22		31.19		42.07		51.66		56.15		53.90		45.89		35.27		22.83		8.97		30.90
S.D.	7.74		6.54		5.14		3.11		3.90		3.40		2.93		2.99		3.13		3.79		3.89		6.21		2.12
SKEW	-0.05		0.08		-0.07		0.20		-0.08		0.04		0.76		0.18		-0.08		-0.65		-0.39		-0.07		0.15
MAX	19.65		19.32		28.26		41.27		50.06		59.03		67.00		61.77		53.07		43.45		32.50		21.94		36.79
MIN	-19.67		-9.72		6.65		24.00		34.13		45.17		50.29		46.68		37.87		23.74		10.80		-5.61		25.48
YRS	90		90		89		91		89		88		87		89		87		90		92		89		71