WILLMAR WWTP, MN

Average of Minimum Temperature (Degrees Fahrenheit)

(219004)

File last updated on May 13, 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
1893	-----	z	-----	z	8.97		28.30		42.32		57.00		58.06		53.71		48.05	j	33.13	a	15.75	b	-1.19	d	32.90	c
1894	-4.31	b	2.56	c	21.37	a	37.34	a	43.90	a	57.03		58.97		56.58		45.11	b	34.97		14.30	c	13.26		31.76
1895	-12.00	d	-5.62	b	14.10	b	38.13		45.13		52.03		55.35		54.26		47.22	c	27.23		17.29	b	7.94		28.42
1896	1.50	c	8.29	a	10.73	a	35.47		50.37	a	55.23		56.87		54.90		44.40		32.10		8.93		12.61		30.95
1897	-3.00		3.88	c	9.57	a	33.67		41.27	a	51.83		61.55		53.55		54.40		40.26		16.90		3.84		30.64
1898	10.35		4.68		23.82	n	35.88	e	45.67	a	55.37		57.94		56.13		46.87		34.00		15.60		2.26		33.16	a
1899	1.32		-4.54		5.50	a	31.93	a	45.03		55.67	c	57.87		58.26		44.77		38.00		28.93		9.13		30.99
1900	7.94		-4.93	a	12.35	e	37.76	a	46.77		53.37		59.03		64.03		48.60	e	45.16		17.10		9.03		33.02
1901	2.87		0.93	a	21.19		36.40		47.23		54.67		62.71		58.29		46.04	g	36.58		18.37		3.47	a	31.15	a
1902	6.71		7.96	c	23.48		31.00		47.58		50.21	a	57.71	g	-----	z	-----	z	-----	z	-----	z	-----	z	27.82	f
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	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1907	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1909	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1910	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1911	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1912	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1913	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	32.80		43.35		51.80		66.81		58.26		47.13		34.43	a	21.17		-2.66	b	39.23	c
1917	-4.84		-7.14		16.29		32.20		40.65		49.97		61.32		53.26		48.23		29.35		28.00		-1.13		28.85
1918	-7.26		4.18		26.23		29.63		46.00		54.80		57.45		58.13		41.07		39.29		27.27		17.71		32.87
1919	11.29		5.93		19.74		35.60		45.16		59.70		62.32		56.71		51.53		32.65		16.50		1.26		33.20
1920	-2.74		6.52		19.68		27.43		44.03		55.43		58.74		54.71		52.00		43.13		23.60		14.61		33.10
1921	11.19		13.79		22.90		37.13		46.61		60.87		62.42		56.68		50.50		38.94		14.41	a	10.97		35.53
1922	2.61		-4.68		21.87		34.67		50.03		56.80		55.84		58.90		54.73		38.90		31.40		7.32		34.03
1923	4.97		-2.32		10.87		30.90		44.81		58.20		62.71		55.39		50.71	f	34.23		24.93		15.61		30.94	a
1924	-7.79	b	9.62		18.19		29.86	a	36.06		49.77		55.45		53.77		44.70		40.42		19.73		-4.13		28.81
1925	-2.35		10.18		20.77		37.90		37.65		54.17		56.03		55.84		46.10		23.13		17.03		4.33	j	32.40	a
1926	4.19		12.75		16.87		27.90		41.50	a	48.27		59.23		57.52		47.23		34.65		18.97		3.35		31.04
1927	5.23	a	10.25		25.45		35.90		42.81		53.17		56.27	a	52.58		51.57		37.00		20.83	a	-3.81		32.27
1928	4.77		11.71	a	21.13		28.50		46.94		48.93		60.10		57.90		45.57		38.13		26.60		15.81		33.84
1929	-9.39		-1.89		23.68		34.47		40.97		51.83		58.97		57.94		47.23		37.74		18.23		7.71		30.62
1930	-5.57	a	17.82		20.68		35.43		46.77		56.67		60.74		58.71		47.33		36.52		23.75	b	13.84		34.39
1931	13.90		19.36		22.39		34.00		42.35		59.80		60.32		56.23		53.67		40.74		25.83		18.06		37.22
1932	6.13		9.57	a	12.97		35.30		46.61		59.37		60.39		58.06		44.73		35.52		19.17	a	5.03		32.74
1933	9.16		1.11		20.94		32.07		46.00		61.50		61.58		55.13		54.40		33.57	a	18.40		4.35		33.18
1934	8.47	a	8.82		15.87		32.27		53.10		57.47		61.00		55.16		44.07		40.32		28.17		4.97		34.14
1935	0.16		18.64		24.16		33.33		42.81		51.47		65.10		58.16		46.52	a	32.90		16.73		7.58		33.13
1936	-10.74		-14.76		19.52		27.60		50.48		53.27		63.90		60.19		51.13		32.68		18.67		10.23		30.18
1937	-11.39		-0.19	a	17.39		34.20		48.26		54.13		60.68		62.97		48.60		33.61		19.93		5.29		31.12
1938	0.61		8.04		24.13		35.30		44.52		56.43		61.03		60.55		50.17		42.61		20.69	a	11.32		34.62
1939	9.90		-3.25		18.94		30.90	a	48.94		56.67		61.00		57.84		50.20		35.61		24.80		18.06		34.13
1940	-5.19		10.55		15.77		33.20		43.39		57.13		61.61		58.39		52.93		41.84		18.97		12.74		33.44
1941	6.90		3.11		19.71		42.33		51.65		58.07		61.19		59.90	a	50.97		40.10		25.63		15.81		36.28
1942	9.61		10.96		26.10		38.33		43.77		54.37		58.65		59.32		47.47		37.52		22.00		5.13		34.44
1943	-6.77	a	4.64		12.26		33.80		42.23		58.57		62.55		61.03		45.07		35.39		21.60		13.19		31.96
1944	16.20	a	6.97		16.52		32.23		51.29		59.03		60.35		60.03		51.03		37.94		30.57		11.06		36.10
1945	4.65		5.25		28.03		32.97		40.81		50.90		58.48		59.35		48.52	a	34.65		21.80		1.26		32.22
1946	2.32		3.89		29.90		38.37		42.90		55.10		61.16		54.29		48.57		38.29		20.77		9.52		33.76
1947	10.94		3.14		19.94		33.87		41.87		53.67		60.10		64.00		48.10		44.06		16.73		5.32		33.48
1948	-4.48		0.38		13.39		36.20		45.13		55.07		62.00		59.00		53.43		38.61		24.87		7.65		32.60
1949	1.58		-1.32		20.65		33.07		48.74		57.27		62.81		60.65		45.23		39.39		27.40		7.84		33.61
1950	-7.74		4.04		14.71		27.90		43.81		54.60		57.87		53.58		49.67		40.03		16.73		0.32		29.63
1951	-3.71		8.64		9.62	b	33.03		50.55		53.20		59.61		57.81		46.45	a	37.97		15.83		4.39		31.12
1952	-1.94		11.97		14.06		36.63		47.10		58.23		62.03		58.06		50.87		32.13		23.97	a	14.43	a	33.96
1953	6.32		6.89		21.87	a	32.37		45.87		58.80		61.19		61.74		49.97		43.81		27.63		7.87		35.36
1954	-4.40	a	21.96		19.29		34.40		42.20	a	59.60		62.81		58.16		50.57		38.74		28.50		15.48		35.61
1955	4.71		1.25		13.94		39.93		50.42		56.77		66.58		63.35		48.31	a	38.74		14.80		0.58		33.28
1956	0.39		1.24		15.87		29.70		46.52		60.50		58.52		58.90		46.13		43.45		24.00		12.97	a	33.18
1957	-3.00		8.39		18.97		33.63		44.90		55.43		65.65		59.74		48.48	e	38.67	a	28.40	o	15.83	g	37.09	b
1958	12.45		3.11		22.55		35.47		47.26		50.20		58.03	a	58.71		51.13		40.32		24.13		5.16		34.04
1959	-0.20	a	4.82		22.84		31.57		48.55		59.00		59.35		62.84		49.73		34.23		16.00		19.97		34.06
1960	3.32		6.00		7.77		34.67		46.03		53.90		60.94		60.90		52.07		38.13		25.60		8.13		33.12
1961	4.48		13.96		25.55		29.00		43.65		56.63		59.65		60.61		49.30		38.77		24.20		6.00		34.32
1962	0.00		4.86		17.32		30.93		50.55		55.97		58.55		58.77		47.17		41.90		28.90		11.45		33.86
1963	-3.74		3.79		24.23	a	36.60		45.68		59.70		62.90		59.74		53.07		47.65		28.30		2.94		35.07
1964	10.81		12.17		13.23		35.90		49.87		56.97		63.94		56.97		49.40		37.45		23.30		3.13		34.43
1965	-3.32		-1.32		6.52		33.87		48.13		56.23		60.71		58.26		44.37		40.45		22.17	a	19.26		32.11
1966	-8.06		4.00		26.74		31.50		41.87		57.27		64.48		57.26		49.37		37.00		18.93		7.42		32.31
1967	3.68		-5.25		19.77		34.23		40.42		56.03		59.23		56.06		49.03		37.10		22.93		12.32		32.13
1968	3.32		4.17		25.23		36.50		42.61		57.00		60.23		59.19		50.37		40.63	a	26.60		8.29		34.51
1969	-3.42		9.43		11.10		37.47		48.55		50.80		61.23		60.29		50.63		36.39		25.13		10.03		33.14
1970	-6.00		2.36		13.84		32.87		45.23		59.40		61.97		60.06		50.33		38.94		24.10		7.16		32.52
1971	-3.61		7.32		19.58		34.30		43.68		60.67		57.19		57.52		50.50		42.71		24.27		6.97		33.42
1972	-3.13		-0.24		17.97		32.20		50.35		56.27		60.00		60.97		48.87		35.81		25.53		2.42		32.25
1973	8.61		13.21		31.42		34.20		45.71		57.87		61.10		62.06		49.40		43.84		25.17		7.68		36.69
1974	-0.87		4.18		19.52		35.73		43.90		54.07		63.16		54.58		43.03		38.71		25.80		13.90		32.98
1975	1.45		3.14		11.10		30.27		48.00		55.77		62.29		58.16		45.67		37.81		23.77		9.81		32.27
1976	-1.68		16.52		18.74		36.37		42.74		56.13		59.26		57.42		44.37		30.16		13.57		-1.74		30.99
1977	-13.77		9.96		24.29		40.20		53.90		55.77		60.61		55.35		50.90		37.06		21.47		5.42		33.43
1978	-7.52		-1.36		17.39		34.23		48.58		55.87		60.03		59.16		53.73		37.65		19.97		2.03		31.65
1979	-10.52		-5.79		16.35		30.97		42.00		54.60		60.23		56.19		48.77		37.03		22.50		16.26		30.72
1980	5.29		5.38		16.48		35.87		48.03		55.20		59.74		56.55		47.37		35.35		26.30		8.23		33.32
1981	4.71		11.43		24.71		37.43		43.87		54.03		59.19		56.84		48.20		36.77		26.77		4.61		34.05
1982	-12.77		4.00		19.48		30.27		48.39		49.31	a	59.59	b	55.00		48.07		37.39		17.34	a	13.83	a	30.82
1983	6.13		14.93		24.97		31.13		41.35		54.00		62.87	a	63.83	a	50.72	a	37.34	b	25.11	c	-11.13		33.44
1984	-0.33	a	17.38		13.68		35.11	b	43.31	b	57.38	a	58.97	a	59.45		41.15	c	40.03	a	23.19	d	4.86	b	32.85
1985	-4.63	a	3.36	c	26.14	b	37.54	d	50.67	a	51.66	a	57.60	a	52.68	c	45.60	e	30.79	b	11.46	d	-6.83	a	29.67
1986	5.71		3.54		21.90	a	37.37		48.13		58.47		63.71		56.10		49.67		38.17	a	17.03		13.77		34.46
1987	10.06		20.79		25.90		39.37		50.83	a	59.43		64.26		56.94		49.00		32.13		28.30		14.65		37.64
1988	-4.39		-0.79		22.81		33.20		52.27	a	60.43		63.65		61.20	a	49.07		31.52	b	22.07		7.50	a	33.21
1989	6.94		-5.63	a	15.71		32.00		45.55		55.63		64.06		58.87	a	47.20		33.35		18.17		-1.32		30.88
1990	13.61		7.39		22.61		33.77		44.16		58.45	a	60.06		58.27	a	50.70		33.77		24.07		2.84		34.14
1991	-1.13		11.50		22.39		36.87		52.53	a	62.10		61.97		60.81		48.83		32.84		15.93		8.29		34.41
1992	11.10		19.00		23.52		31.77		48.13	a	54.59	a	55.42		54.52		45.80		33.97		24.13		8.06		34.17
1993	-1.45		3.64		16.48		32.17		47.00		54.37		60.38	b	59.77		44.00		33.70	a	19.97		10.57	a	31.72
1994	-9.81		-3.82		22.68		32.43		48.35		57.13		59.23		56.67	a	52.47		39.77		26.27		11.03	a	32.70
1995	5.68		5.67	a	22.16		31.03		45.68		60.23		61.16		62.97	b	46.90	a	36.61		17.77		8.50	a	33.70
1996	-6.06		3.45		12.90		28.59	a	43.71	c	57.61	b	59.48		57.06		48.52	c	36.19		14.43		3.48		29.95
1997	-3.47	a	7.48	a	16.37	a	31.10	a	40.97	b	59.07		61.31	b	57.65		51.04	c	37.90		18.97	a	17.29		32.97
1998	5.27	a	22.25		21.30	a	37.17		51.06		54.93		62.32		60.26		52.38	a	40.13		26.14	a	12.84		37.17
1999	0.35		-----	z	23.04	c	36.80		49.57	a	57.63		63.39		58.52		45.86	a	34.72	b	28.48	a	12.58		37.36	a
2000	1.29		13.90		27.18	c	32.33		49.39		54.70		61.16		59.40	a	44.93	a	38.90		22.63		-5.16		33.39
2001	5.52		-5.04		13.27	a	34.90	a	49.06		57.23		62.65		60.14	c	49.87		35.61		31.93	a	15.27	a	34.20
2002	12.29		16.82		10.03		32.30		42.63	a	60.10	a	65.38	b	59.35		51.83	a	31.77		22.00		13.94		34.87
2003	3.16		0.11		15.71		34.93		45.37	a	55.21	b	60.90	a	59.90	b	46.68	b	37.93	a	19.83	a	14.00	a	32.81
2004	0.26		7.76		24.65		33.53		43.23	a	53.97		59.81		53.19		54.60		38.97		27.20		12.00	d	34.10
2005	2.87		12.39		17.79	b	36.57	b	45.45		61.00	a	62.90	a	57.08	e	52.67		38.84		25.31	a	8.81		35.14
2006	17.43	a	3.59	a	23.97	a	39.40		49.74		58.00		63.81		59.74		48.31	a	33.58		22.57		17.53	a	36.47
2007	9.35		0.79		24.48		33.33		48.81		58.90		62.55		59.13		49.03		40.87		22.77		4.00		34.50
2008	-0.61		2.00		15.61		31.33		43.93	a	56.07	a	61.29		58.39		49.27		36.45		23.73		0.74		31.52
2009	-7.10		6.61		18.32		34.00		44.74		55.67		57.23		57.06		53.57		34.00		30.37		7.58		32.67
2010	2.06		2.64		26.45		40.07		47.32		57.40		62.33	j	-----	z	-----	z	-----	z	-----	z	-----	z	29.32	f
2011	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2012	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	1.24		5.69		19.07		33.96		45.96		55.95		60.70		58.12		48.76		37.07		22.08		7.96		33.11
S.D.	6.98		7.06		5.41		3.09		3.46		3.03		2.43		2.62		2.99		3.86		4.74		6.22		1.87
SKEW	0.02		0.13		-0.29		0.06		-0.03		-0.39		0.02		0.03		-0.15		-0.33		-0.22		-0.41		-0.12
MAX	17.43		22.25		31.42		42.33		53.90		62.10		66.81		64.03		54.73		47.65		31.93		19.97		37.64
MIN	-13.77		-14.76		5.50		27.43		36.06		48.27		55.35		52.58		41.07		23.13		8.93		-11.13		28.42
YRS	103		102		103		105		105		105		103		103		100		103		102		101		95