RIVER FALLS, WI

Average of Minimum Temperature (Degrees Fahrenheit)

(477226)

File last updated on May 6, 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
1918	-----	z	-----	z	-----	z	30.10		46.19		54.50		56.61		57.97		40.70		39.16		29.23		20.96	d	41.71	c
1919	11.33	g	6.78	a	-----	z	-----	z	-----	z	-----	z	60.33	v	55.50	u	50.37		33.90	a	18.97		-1.23	a	21.76	g
1920	-6.97		1.45		15.47	a	27.47		41.81		56.20		55.42		57.73	i	52.67	i	43.10		24.77		15.74		27.44	b
1921	11.68		12.30	a	22.90		38.13		46.61		58.30		62.77		55.95	j	50.53		38.19		16.53		11.03	a	33.54	a
1922	-0.90		-3.29		20.42		32.67		49.80	a	56.03		55.23		56.32		52.86	a	39.48		33.50		7.57	a	33.31
1923	5.19		-8.50		8.70	a	31.13		43.71		57.73		61.71		52.26		50.30		35.84		25.83		19.23		31.93
1924	-11.39		8.72		21.55		33.13		36.39		51.77		54.90		53.63	a	47.00	b	43.26		22.17		-1.81		29.94
1925	-1.61		7.79		21.45		37.34	a	38.35		54.93		55.81		58.00	a	52.00		28.53	a	21.27		5.90		31.65
1926	-1.10		8.61		12.29		27.07	a	45.58		49.07		59.03		56.57	a	48.37		35.65		17.67		0.87		29.97
1927	-3.19		10.96		25.55		33.83	a	43.55		49.77		53.26		49.68		51.87		35.10		22.57		-5.23		30.64
1928	5.26		10.41		20.67	a	25.90	a	43.26		48.97		58.42		57.87		45.67		38.77		27.13		13.94		33.02
1929	-14.81		-7.96		21.67	a	34.83		39.84		50.60		57.68		54.58		47.83		34.71		18.97		5.26		28.60
1930	-10.45		12.21		19.13		32.83		46.26		54.17	a	57.52		55.45		45.31	a	36.97		23.73		9.61		31.90
1931	13.93	a	17.93		20.42		32.97	a	40.90		59.97		59.71		56.26		55.18	b	42.00		28.67		21.77	a	37.47
1932	8.45		3.07		9.52		33.90		47.68		57.83		59.58		50.84		45.34	a	34.74		20.53		1.58		31.09
1933	8.94		-3.43		21.87		33.45	a	47.39		62.03		62.81		54.26		53.53		33.39		20.77		6.65		33.47
1934	9.19		5.93		16.00		33.45	a	51.90		58.48	a	60.33	a	55.40	a	47.38	a	41.42		29.73		0.42		34.14
1935	-3.68		12.07	a	21.55		35.10	a	42.52		51.87		65.19		56.77		48.50		36.94		20.30		8.81		33.00
1936	-10.13		-17.93		18.74		28.83		50.03		53.21	a	64.87		61.80	a	52.76	a	32.65		19.97		9.52		30.36
1937	-9.10		-0.86		15.65		34.73		47.61		53.13		61.13		64.84		50.87		36.52		22.27		7.03		31.99
1938	3.42		11.41	a	26.58		35.67		46.55		54.97	a	61.10		60.58		50.00		42.29		23.73		9.67	a	35.50
1939	11.81		-0.96		16.18	c	31.53		50.19		56.47		61.00		58.10		51.67		37.74		24.17	a	18.32		34.68
1940	-4.16		9.14		12.97		32.77		42.60	a	54.97		61.52		58.94		52.00		41.42		20.50		13.13		32.98
1941	9.23	a	2.93	a	15.81		40.33	c	51.39		57.40		60.72	b	59.16		53.48	a	40.73	a	27.67		18.58		36.45
1942	9.87		12.79		28.10		39.13		44.29		56.41	a	58.58		59.13		47.70		36.26		22.83		6.77		35.16
1943	-2.48		3.75		11.94		31.73		43.30	a	59.10		61.65		59.97		45.57		34.55		20.90		13.77	a	31.98
1944	15.61		9.69		18.90		31.33		50.84		58.13		57.81		60.70	a	50.90		37.97		33.40		10.43	a	36.31
1945	1.77		7.64		27.48		35.20		40.39		50.17		57.39		57.45		48.60		34.94		23.77		6.23		32.59
1946	6.30	a	6.93		31.58		36.33		42.48		54.76	a	60.55		54.29		48.87		40.84		23.93		11.65		34.88
1947	10.29		5.25		19.90		32.20		40.74		52.79	b	55.10		66.40	a	52.37		48.42		20.32	b	6.68		34.20
1948	-4.45		4.17		14.71		37.37		44.16		54.27		61.48		59.35		52.40		37.39		28.93		8.81		33.22
1949	5.26		2.86		21.58		33.07		49.35		59.53		64.71		61.26		45.90		41.58		26.87		11.35		35.28
1950	-5.16		1.18		13.31	b	27.40		44.10		50.80		55.03		51.45		48.07		41.35		18.57		0.65		28.90
1951	-3.48		6.57		11.32		32.60		49.29		52.97		58.35		57.71		46.13		38.74		15.97		8.81		31.25
1952	1.52		12.52		16.00		34.87		45.97		57.67		60.48		56.58		47.38	a	26.61		22.47		13.74		32.98
1953	6.81		4.96		20.26		30.30		44.84		56.77		57.84		59.65		47.03		40.84		25.80		11.23		33.86
1954	-0.13		21.71		17.13		31.26	g	40.84		58.60		60.97		56.35		48.72	a	36.76	b	28.03		13.14	b	34.74	a
1955	1.32		1.54		14.16		40.23		48.10	a	57.77		66.00	c	62.68		48.20		38.39		18.17		2.00	a	33.21
1956	1.65		0.10		13.42		28.63		44.58		58.55	a	56.65		56.52		44.73		44.65		23.43		13.16		32.17
1957	-2.84		8.68		19.94		32.80		43.87		54.80		64.00		58.35		45.97		36.13		25.50		15.13		33.53
1958	14.00		2.82		21.97		34.10		44.71		48.53		56.48		57.65		50.37		40.10		24.20		4.06		33.25
1959	-1.42		4.39		21.13		33.27		49.52		57.10		59.26		63.45		50.80		35.35		15.97		20.74		34.13
1960	9.07	a	9.21		8.20	a	34.93		46.48		51.23		57.97		60.19		52.10		38.13		27.33		9.52		33.70
1961	5.00		14.96		25.84		29.87		42.19		54.13		58.74		59.61		50.00		39.52		26.37		9.52		34.65
1962	-0.68		6.86		18.19		32.53		52.06		54.97		57.48		57.32		46.63		41.35		29.23		11.97		33.99
1963	-4.71		2.96		24.74		36.93		44.97		57.57		60.71		56.29		51.80		48.26		30.33		1.81		34.31
1964	10.97		13.52		17.87		36.30		49.68		55.93		62.42		56.45		50.00		38.42		27.47		5.94		35.41
1965	-1.06		1.14		10.43	a	33.93		49.61		55.57		58.03		56.90		46.40		39.65		25.27		20.94		33.07
1966	-6.97		4.39		25.58		32.37		39.97		55.13		62.90		56.27	a	47.73		36.71		23.40		11.94		32.45
1967	6.35		-1.43		21.71		36.23		39.87		56.20		58.32		54.23		47.87		36.90		23.50		13.90		32.81
1968	3.39		4.55		26.55		36.93		43.19		56.60		59.81		58.97		49.80		42.13		27.33		9.13		34.86
1969	1.10	a	11.86		14.84		37.17		47.84		49.17		59.94		58.94		-----	z	37.45		24.50		13.13		32.36	a
1970	-3.48		3.93		15.77		33.57		47.97		56.87		61.06		57.73	a	49.73		40.53	a	24.30		9.81		33.15
1971	-3.03		7.75		17.90	a	33.33		41.27	a	60.23		55.77		54.61		51.13		44.74		25.40		11.29		33.37
1972	-3.26		1.86		17.23		30.87		49.68		52.67		57.94		59.55		48.67		35.77		27.47		4.90		31.94
1973	7.48		12.29		32.10		34.57		43.52		57.30		60.13		61.48		50.30		44.55		27.13		9.71		36.71
1974	4.42		5.14		21.77		35.53		44.16		51.97		63.06		56.03		43.93		39.77		26.67		18.35		34.24
1975	5.94		9.04		13.97		29.93		48.68		56.87		61.45		59.23		46.77		40.55		26.57		13.16		34.34
1976	-0.26		16.25	a	22.39		38.20		43.29		56.27		60.23		58.23		46.63		32.06		16.73		-0.52	b	32.46
1977	-9.90		11.21		29.55		40.80		54.97		56.40		63.35		55.23		52.20		37.52		24.53		9.13		35.42
1978	-3.47	a	-2.82		17.90		33.23		47.39		55.23		60.58		58.97		54.90		39.26		22.23		5.61		32.42
1979	-6.42		-1.07		20.61		32.30		42.55		54.03		59.84		58.23		50.63		37.61		25.27		18.29		32.66
1980	5.61		5.00		16.00		35.97		46.73	a	55.07		60.84		59.52		49.97		35.29		27.50		11.68		34.10
1981	7.42		13.93		25.65		37.83		44.55		56.07		60.74		59.74		48.27		37.32		28.10		10.39		35.83
1982	-7.13		5.79		18.10	a	30.97		51.00		49.77		62.26		58.29		51.00		41.55		23.67		18.81		33.67
1983	11.45		19.21		26.97		30.77		42.55		56.55	a	64.10		63.65		53.00		39.58		28.97		-4.42		36.03
1984	2.87		20.41		16.03		34.37		44.19		58.60		58.71		62.03		45.93		43.29		24.33		11.00	a	35.15
1985	0.21	b	5.96		26.39		39.40		50.35		51.83		58.74		56.58		51.23		37.26		17.00		-2.35		32.72
1986	7.90		5.25		24.45		38.77		48.39		57.03		63.35		55.61		50.37		39.42		20.63		15.06		35.52
1987	13.03		20.22	a	28.29		37.63		51.32		58.63		65.48		58.68		51.10		34.55		30.23		19.32		39.04
1988	0.10		3.07		23.90		32.20		50.58		59.93		62.90		63.32		50.73		30.90		26.43		11.10		34.60
1989	11.06		-1.64		17.61		32.97		45.39		54.03		63.06		59.19		49.20		37.77		20.83		1.58		32.59
1990	17.16		11.00		27.19		35.67		44.10		58.10		61.68		60.42		53.77		37.00		28.10		8.39		36.88
1991	3.06		12.32		23.48		38.00		53.00		63.50		61.61		61.00		50.03		36.40	a	16.70		14.38	b	36.12
1992	13.97		22.03		22.39		33.67		47.94		53.40		55.13		54.90		49.13		36.35		26.60		14.61		35.84
1993	5.58		8.78	a	18.87		34.57		48.10		55.03		61.77		60.57	a	48.21	a	37.07	b	24.50	b	15.57	c	34.88
1994	-3.45		3.77	b	24.42		34.07	c	42.62	b	54.79	b	55.11	c	53.48	f	52.50		43.33	a	27.66	a	16.27	a	31.92	a
1995	7.72	b	5.04	a	20.79	c	29.18	b	40.03	a	58.11	c	59.87	a	61.70	a	44.80		37.24	b	16.89	b	7.32		32.39
1996	-3.81	d	4.80	i	12.85	d	26.34	a	41.87		54.57		55.16		55.36	c	49.07		36.38	b	16.43		5.32		31.78	a
1997	-0.06		9.15	b	19.10	a	27.40		37.71		55.34	a	58.19		54.94		49.83		35.70	a	20.33		18.97		32.22
1998	10.06		23.54		21.68		36.00		48.04	d	51.62	a	58.39		58.70	a	49.83		38.87	a	27.34	a	13.81		36.49
1999	1.20	a	17.18		19.26		35.34	a	47.55		54.23		60.89	c	56.39		45.41	a	32.84		27.60		12.97		34.24
2000	1.48		15.28		26.94		31.30		46.23		51.67		58.84		58.27	a	45.64	b	39.39		24.17		-1.39		33.15
2001	7.87		-0.85	a	15.77		34.07		46.45		53.43	b	58.71		57.61		46.19	c	35.40	a	33.21	b	19.23		33.92
2002	13.94		16.43		13.52		36.30	g	38.03	a	56.03	a	63.74		57.13		49.69	a	33.20	a	21.13		15.50	a	34.39	a
2003	3.58		2.32		14.33	g	32.24	a	41.50	a	52.66	a	57.80	a	58.13		47.72	a	36.35		22.90		15.10		33.66	a
2004	1.19		10.07	a	24.90		31.96	f	40.81		49.52	a	55.77		50.03		52.24	a	37.26		26.73		11.52		32.73	a
2005	5.35		14.39		16.13	h	36.27		42.65		58.53		60.26	d	55.52		50.17	a	38.19		24.27		10.03		35.97	a
2006	19.90		8.38	d	21.12	f	36.57		45.87		53.73		60.45		58.19		45.53		32.10		25.23		19.13	a	36.83	a
2007	9.57	a	1.29		25.61		32.93	b	48.83	b	56.37		57.35		58.16		49.30		43.03		23.63		6.19		34.36
2008	2.29		1.38		14.65		30.40		39.07	a	52.17		57.00		54.42		50.20		35.90		25.03		-1.20	a	30.11
2009	-8.13		7.96		18.70	a	32.40		42.43	a	50.97		52.84		52.33	a	50.75	b	34.26		29.30		8.48		31.02
2010	1.35		2.86		24.52		36.23		44.35		55.07		59.39		60.55		46.47		36.26		25.23		5.10	a	33.11
2011	0.03		6.32		14.97		31.00		43.10		53.53		63.32		57.00		47.20		39.68		27.53		16.10		33.32
2012	9.65		16.97		36.53	a	34.36	b	47.65		54.43		63.60	a	54.52		44.10		32.16		23.07		12.13		35.76
2013	4.90		6.11		12.19		27.13		42.81		53.97		58.45		56.42		50.20		36.19		20.53		2.73	a	30.97
2014	-6.00		-6.89		10.32		29.63		42.35		55.87		56.16		58.74		48.03		35.03		15.67		17.19		29.68
2015	6.13		-2.50		19.81		33.10		44.52		54.37		57.68		55.87		55.17		37.16		30.70		24.58		34.71
2016	4.45		12.86		29.90		35.17		42.90		55.50		59.16		58.97		53.27		39.32		31.13		12.42		36.25
2017	11.06		17.79		20.45		36.13		43.29		52.34	a	57.97		54.48		52.43		38.84		21.80		9.65		34.69
2018	1.94		1.25		18.94		21.00		51.32		58.97		59.13		58.26		52.80		34.19		18.17	a	16.55		32.71
2019	3.94		-1.07		13.00		31.93		40.19		52.50		60.55		54.77		53.70		35.52		21.47		11.90		31.53
2020	11.55		5.69		26.61		28.53		43.87		55.20		60.23		57.68		47.53		31.67	a	26.87		13.29		34.06
2021	12.26		-0.25		26.65		33.27		43.81		58.03		58.39		59.10	a	48.93	a	43.06		25.07		12.03		35.03
2022	-3.94		-0.68		19.77		28.53		46.13		56.13		59.94		57.45		50.30		36.74		23.90		6.71		31.75
2023	13.23		5.39		16.32		33.23		45.87	a	55.97		55.26		57.65		54.63		41.35		23.73		24.68		35.61
2024	13.48	b	18.79	a	21.52		33.63		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	21.85	h
Period of Record Statistics
MEAN	3.04		6.83		19.96		33.37		45.25		55.13		59.60		57.69		49.39		37.87		24.16		10.48		33.56
S.D.	7.16		7.22		5.59		3.46		3.77		2.97		2.83		2.97		2.82		3.69		4.11		6.43		1.96
SKEW	-0.07		-0.11		0.21		-0.46		0.12		-0.09		-0.02		-0.03		-0.19		0.09		-0.13		-0.24		-0.11
MAX	19.90		23.54		36.53		40.80		54.97		63.50		66.00		66.40		55.18		48.42		33.50		24.68		39.04
MIN	-14.81		-17.93		8.20		21.00		36.39		48.53		52.84		49.68		40.70		26.61		15.67		-5.23		28.60
YRS	105		105		102		103		105		105		105		102		104		106		106		106		93