SANDY LAKE DAM LIBBY, MN

Average of Minimum Temperature (Degrees Fahrenheit)

(217460)

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
1892	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1893	-6.05	k	-9.36		0.71		20.67		35.23		53.48	a	55.74	d	52.33	m	43.27		30.58		15.17		-15.33	s	27.28	c
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	12.00	x	11.35		11.35	k
1895	-9.65		-7.50		6.81		31.90		41.00		50.40		51.90		50.65		45.23		27.97		16.63		3.77		25.76
1896	-2.13		-0.10		6.19		28.63		47.97		52.33		55.00		53.03	b	43.10		26.97		7.07		5.81		26.99
1897	-9.10		1.93		8.10		30.43		39.48		46.57		61.90		52.23		50.00		36.68		13.00	a	-3.47	a	27.31
1898	1.77		0.04		16.52		26.20		38.16		49.60		54.13		51.58		45.13		30.84		14.90		-5.42		26.95
1899	-8.26		-12.56	a	-3.42		26.63		38.53	a	53.00	a	55.97		55.84		43.13		37.00		30.47		6.43	a	26.90
1900	3.55		-6.86	f	1.38	w	33.63		40.23	a	50.00		51.87		61.06		48.13		44.61		15.97		7.45	b	35.65	b
1901	-9.00	i	-8.36	c	10.86	c	30.45	a	44.65		52.03	a	60.71		55.97		43.93		34.52		16.80		1.16		31.16	a
1902	-0.83	a	0.54	b	19.16		27.70		44.23		48.90	a	56.32		52.58		42.37		33.74		24.93		-0.50	a	29.09
1903	-7.61		-8.32		15.97	a	28.90		44.58		47.40		54.87	a	50.87		42.45	a	36.32		16.17		-7.72	b	26.16
1904	-12.97		-13.81	b	2.30	u	25.42	d	39.71		49.83		52.35		51.23		43.57		36.58		24.50		3.90		27.30	a
1905	-9.39		-6.36		19.94		27.17	a	38.10		50.10		56.87	a	57.61		50.83		31.90	a	20.70		7.93	a	28.78
1906	3.35		-6.36		7.16		34.30		41.00		53.63		56.90		57.23		52.20		36.26		24.07	a	2.61		30.20
1907	-9.55		-0.43		14.16		22.90		31.35		51.30		53.58		53.48		44.33		33.58		23.00	a	9.06		27.23
1908	2.68		6.46	a	13.90		30.77		39.74		52.23		54.61		51.35		49.97		37.45		24.20		6.94		30.86
1909	-2.00		0.50		13.87	a	22.80		38.06		52.13		55.52	d	57.67	a	45.20		34.90		26.45	a	3.68		29.06
1910	0.84		-9.36		24.90		-----	z	36.55		51.97		54.03		50.10		44.60		36.97		17.90		1.55		28.19	a
1911	-9.26		2.50		18.35		30.13		43.32		53.50		53.84		50.58		44.53		33.17	a	10.43		11.00	a	28.51
1912	-21.84		-5.72		3.97	a	28.00		40.97	a	48.53		55.71		51.26		45.37		34.39		22.17		6.70	a	25.79
1913	-9.23		-7.07		4.45		31.43		38.00		52.77		54.03		55.10		45.13		30.77		26.47		16.74		28.22
1914	4.16		-15.21		12.58		27.07		44.32		50.50		58.65		52.71		47.31	a	40.29		21.67		-2.40	a	28.47
1915	-2.61		10.29		15.19		37.03		37.03		45.63		50.71		49.13		44.97		35.23		21.90	a	10.45		29.58
1916	-10.55		-5.72		7.94		26.66	a	39.77		47.33		60.90		55.16		42.87		32.34	b	17.97		-5.00		25.81
1917	-10.81		-12.93		11.13		25.93		33.10		42.41	a	57.10		47.39		43.83		25.81		24.70		-8.84		23.24
1918	-11.35		-2.50		18.87		25.10		41.00		51.10		54.06		52.71		36.60		33.81		23.83		11.58		27.90
1919	3.32		-0.54		11.32		29.73		40.03	a	55.59	a	56.87		52.06		46.50		27.81		10.27		-5.35		27.30
1920	-9.20	a	-1.55		12.97		20.80		39.32		50.28	a	53.35		52.35		48.13		39.45		18.67		10.35		27.91
1921	3.71		6.36		14.13		29.90		41.32		56.00		62.67	a	56.32		49.73		38.23		20.80		10.19		32.45
1922	-4.19		-7.29		16.70	a	30.90		48.58		53.27		54.35		55.68		48.00		37.52		28.63		1.81		30.33
1923	0.87		-9.32		1.58		28.53		40.94		53.87		59.13		48.84		46.07		34.42		26.13		13.61		28.72
1924	-11.97		5.07		13.81		28.33		33.32		46.17		52.13		50.29		42.90		40.45		19.83	a	-6.57	a	26.15
1925	-3.26		3.79		15.65		33.40		36.19		47.33		52.87		53.65		46.87		24.58		17.83		3.10		27.67
1926	0.26		3.29		5.80	a	24.10		40.45		45.20		53.10		51.74		42.17		31.65		14.90		-0.71		25.99
1927	-3.87		2.75		18.97		29.50		37.77		48.20		51.29		46.90		48.20		35.55		15.43		-9.26		26.79
1928	-2.65		3.76		10.29		24.40		42.90		46.37		55.10		53.71		43.50		36.35		24.53		11.77		29.17
1929	-15.52		-6.25		18.13	a	30.20		37.03		47.63		56.00		52.87		43.30		34.55		15.03		2.13		26.26
1930	-11.74		7.75		12.65		28.60		41.19		51.70		55.61		52.77		44.14	b	34.61		21.53		8.35		28.93
1931	7.68		13.71		16.03		28.37		39.13		54.37		57.55		53.29		50.43		40.13		27.03		18.39		33.84
1932	6.94		0.69		6.58		29.07		42.48		53.57		55.74		54.16		41.70		30.74		16.17		1.87	a	28.31
1933	3.58		-6.82		13.42		27.57		42.61		56.27		56.58		50.45		48.53		29.65		15.93		-3.26		27.88
1934	5.10		-3.04		9.00		29.58	d	45.10		51.83	a	53.32		48.03		39.83		34.48		23.23		-1.32		27.93
1935	-9.26		10.54		15.29		27.59	a	38.32		47.57		60.94		55.42		42.53		33.48		14.93		5.32		28.56
1936	-11.84		-18.03		15.71		22.30		45.42		46.67		59.10		53.61		46.17		28.10		14.93		5.10		25.60
1937	-15.87		-5.46		5.87		27.47		41.19		48.27		54.45		57.65		44.43		30.13		14.24	a	-0.10		25.19
1938	-4.16		4.21		18.10		27.10		40.68		51.13		53.81		56.23		42.60		36.97		16.80		3.94		28.95
1939	1.13	a	-12.54		6.06		24.60		41.97		52.17		56.77		54.87		45.93		33.10		22.33		15.26		28.47
1940	-6.90		4.79		6.48		26.40		38.52		47.90		54.42		54.35		47.77		39.45		17.00		8.35		28.21
1941	1.65		0.68		10.77		37.60		47.00		53.57		58.74		54.39		48.93		36.90		23.70		12.10		32.17
1942	5.90		2.50		21.52		34.13		38.71		50.83		53.94		54.77		43.57		35.13		19.57		2.23		30.23
1943	-6.19		0.00		5.13		28.17		40.06		52.50		58.48		55.81		42.20		33.13	a	17.57		7.71		27.88
1944	12.16		0.62		12.06		25.10		44.52		52.33		57.58		56.00		47.03		35.61		29.77		7.03		31.65
1945	0.23		2.11		21.52		29.07		36.61		46.73		55.00		55.77		44.63		31.58		20.07		2.03		28.78
1946	0.55		-3.71		23.45		32.63		38.55		50.30		56.65		51.77		44.10		34.65		18.03		3.48		29.20
1947	1.84		-3.07		10.16		26.97		37.06		49.00		56.48		59.23		44.00		42.71		15.90		4.10		28.70
1948	-10.29		-4.41		11.19		32.50		40.65		49.67		55.84		53.87		47.87		34.13		22.30		3.00	a	28.03
1949	0.68		-5.61		10.81		30.00		42.16		53.63		57.48		56.94		42.40		37.10	a	25.37		4.84		29.65
1950	-12.68		-1.64		6.84		22.93		39.19		50.97		53.90		50.26		46.45	a	38.32		16.07		-2.55		25.67
1951	-5.77		2.96		8.94		28.50		44.61		50.07	a	55.10		53.39		43.47		35.42		14.53		2.50	a	27.81
1952	-5.33	d	10.48		10.94		31.47		40.29		53.00		56.50	a	53.65		47.07		29.06		22.87		13.61		30.30
1953	1.32		1.07		16.65		28.47		40.03		54.30		56.68		58.45	b	46.93		40.55		26.43		6.52		31.45
1954	-7.74		13.89		10.55		28.50		38.80	a	53.60		55.81		52.58		46.24	a	35.71		25.10	a	14.16		30.60
1955	-0.10		-3.64		2.65		34.83	a	44.42		52.97		61.68		59.81		45.83		35.90		13.80		-3.24	b	28.74
1956	-0.97		-6.83		8.32		26.41	a	39.84		54.63		51.94		52.90		41.40		40.20	a	22.70		4.77		27.94
1957	-10.77		-0.75		8.29		28.13		40.94		50.57		59.58		54.16		43.67		34.70	d	23.90		9.93	a	28.53
1958	7.61		-1.82		17.19		31.30		38.61		44.17		53.68		52.84		47.69	a	35.24	b	21.60		-4.23		28.66
1959	-10.61		-2.21		14.68		27.83		43.06		51.83		56.61		57.19		45.80		32.94		10.63		14.70	a	28.54
1960	-1.65		-0.52		3.55		30.00		40.58		49.00		54.58		56.89	l	46.03		33.67	a	23.87		3.29		25.67	a
1961	-4.13		9.14		22.77		25.83		37.52		49.43		54.84		55.81		45.60		36.45		21.33		5.10		29.97
1962	-7.03		-0.21		18.23		25.97		43.06		49.93		52.81		53.81		42.20		36.35		25.87		5.39		28.86
1963	-9.74		-5.14		17.77		30.83		40.13		52.87		56.84		53.06		47.57		44.97		25.03		-0.97		29.44
1964	5.68		4.14		8.58		29.97		45.48		51.33		58.03		51.81		44.97		34.58		23.83		-0.77		29.80
1965	-8.94		-6.07		2.81		31.03		44.58		50.13		53.87		53.52		40.59	a	37.65		20.70		16.16		28.00
1966	-14.74		0.32		20.68		28.73		38.52		53.43		60.58		53.19		44.43		33.58		17.07		4.35		28.35
1967	0.58		-10.00	a	14.71		29.47		35.10		50.90		54.29		51.94		45.50		33.19		19.57		7.47	a	27.73
1968	-1.84		-3.00		20.03		31.77		40.42		49.97		55.47	a	53.32		46.67		38.23		23.83		3.94		29.90
1969	-4.19		5.61		9.81		31.97		41.74		44.83		55.29		56.45		46.50		32.39		21.53		10.13		29.34
1970	-8.10		-1.29		6.06		27.67		39.32		52.00	a	57.06		53.68		44.77		35.77		19.77		0.06		27.23
1971	-10.52		1.14		11.94		28.63		37.84		53.60		51.00		51.00		45.93		39.16		21.07		3.87		27.89
1972	-11.32		-6.48		10.13		25.53		46.26		49.30		53.65		54.42		42.77		31.45		22.13		-1.10		26.39
1973	1.19		4.21		26.03		29.43		39.48		51.63		55.61		59.55		46.33		42.00		22.80		6.26		32.05
1974	-3.74		-0.44	a	12.90		29.37		40.48		51.77		59.97		52.71		40.67		36.00		24.53		14.71		29.91
1975	0.84		3.29		7.13		25.20		45.39		52.73		60.97		55.35		44.20		38.10		21.67		3.19		29.84
1976	-4.50	a	10.76		14.31	b	32.40		39.71		53.37		53.68		52.90		42.80		26.97		12.03		-7.77		27.22
1977	-14.55		7.04		23.23		33.97		48.55		51.40		56.13		47.00		46.03		35.06		21.23		4.00		29.92
1978	-5.77		-5.32		13.35		29.13		44.77		50.27		56.61		54.84		50.17		36.58		18.67		-1.19		28.51
1979	-15.13		-4.75		15.03		25.14	a	37.94		46.03		55.74		51.94		47.67		33.27	a	21.67		11.03		27.13
1980	-2.23		1.45		8.16		31.00		43.52		49.79	a	57.00	a	55.13		44.17		31.81		23.23		0.24	b	28.61
1981	-0.65		8.61		20.26		32.77		39.87		50.13		55.00		55.39		43.17		34.10		25.53		5.52		30.81
1982	-17.35		-1.75		9.94		24.83	a	43.42		44.17		52.84		48.06		43.80		36.35		16.13		9.13		25.80
1983	0.68		10.50		18.06		25.77		37.23		50.63		61.06		60.32		49.21	a	37.97	a	25.73		-9.45		30.64
1984	-1.30	a	16.38		11.55		32.10		40.77		54.17		56.71		59.00		42.33		39.10		18.79	a	0.23		30.82
1985	-1.81		1.00		22.67	a	33.43		45.97		48.03		54.55		51.74		46.77		35.32		13.93		-5.39		28.85
1986	5.45		3.96		20.16		34.47		42.39		50.21	a	58.06		52.74		47.38	a	37.17	a	16.67		9.81		31.54
1987	5.94		17.39		23.06		33.21	a	43.77		53.67		58.65		54.13		47.00	b	32.52		25.00		14.30	a	34.05
1988	-4.71		-6.75	a	16.06		28.20		44.39		52.20		56.29		55.61		45.63		29.60	a	23.13		3.39		28.59
1989	3.19		-9.00		10.10		25.50		41.68		50.73		58.32		55.27	a	46.67		34.52		17.20		-5.10	a	27.42
1990	11.67	a	2.64		17.65		26.24	a	39.00	b	54.07	b	55.77		54.90	a	47.15	c	31.96	g	22.71	m	1.27	i	34.34	c
1991	-8.29	g	6.20	h	14.83	m	33.78	g	48.14	b	56.52	a	57.90		57.73	a	46.70	c	31.79	l	11.82	m	2.90	k	53.40	g
1992	6.91	i	12.17	k	-----	z	27.06	l	44.96	f	48.32	e	51.48	b	53.28	m	41.33	l	32.22	m	21.27	o	4.11	l	49.90	j
1993	-6.47	l	-4.31	l	13.25	k	28.48	e	41.39	c	50.77	d	57.77		57.35		42.46	f	30.43	j	16.83	l	6.00	l	47.15	g
1994	-16.11	m	-7.60	h	16.90	k	29.74	g	45.58	e	54.73		56.52		53.87	a	49.36	e	38.00	m	26.33	l	8.50	k	52.01	g
1995	-1.04	h	-6.21	i	12.27	i	21.83	l	41.28	b	56.57		56.62	b	58.13	a	44.50	d	35.22	m	10.62	n	-2.39	m	51.42	g
1996	-19.35	h	-2.70	i	4.65	k	25.59	c	41.16		52.62	d	55.68		56.23	a	48.44	e	32.40	f	11.72	l	-----	z	46.62	f
1997	-7.80	k	0.95	i	13.00	j	28.10		38.66	b	54.14	a	57.44	f	54.47	a	49.28	a	35.10	j	14.25	n	17.43	j	44.93	g
1998	3.62	j	19.00	i	16.57	j	32.23	h	45.97	b	52.17		57.10		56.36	c	49.78	c	37.24	j	22.76	m	9.65	k	52.27	g
1999	-7.11	m	6.39	j	19.04	h	34.00	h	46.00	f	53.77		60.68	f	58.04	h	47.82	b	33.50	k	27.50	j	11.32	i	50.79	j
2000	-5.60	k	7.61	k	21.00	m	29.30	j	43.83	b	48.66	a	57.37	a	57.10	a	45.24	e	38.43	j	24.79	k	-5.74	l	50.44	g
2001	5.80	k	-12.61	j	12.50	i	35.00	k	48.33	y	54.80		57.97		59.55	b	47.09	g	35.36	i	32.06	n	17.83	m	57.44	i
2002	3.30	k	9.10	h	6.60	k	27.64	h	39.41	d	54.34	a	61.32		57.03	a	50.88	f	28.73	i	18.73	o	-----	z	53.03	h
2003	-3.74	l	-----	z	10.86	j	27.84	k	41.56	f	51.53		57.61		59.13		47.04	b	34.18	i	18.18	m	6.67	j	53.83	h
2004	-9.53	l	1.68	j	17.52	h	29.18	h	40.31	e	49.07		55.35		49.74		51.10		38.40	k	26.95	k	4.41	n	49.11	g
2005	-10.20	k	2.24	k	9.70	h	34.81	n	42.21	c	56.89	b	58.94		55.55	b	48.60	e	37.25	k	24.12	n	9.78	m	52.44	g
2006	13.12	o	0.22	j	19.86	i	33.95	k	45.67	g	54.30		61.71		55.97		44.67	i	29.00	j	22.18	m	13.20	k	57.33	i
2007	0.20	k	-4.89	i	17.86	i	28.35	m	45.77	e	56.33		59.06		54.19		46.21	a	39.00	i	21.41	m	-1.83	m	52.31	g
2008	-7.68	l	-7.95	i	8.70	k	29.43	i	38.88	f	50.86	b	56.10	b	54.33	d	45.61	g	34.87		25.15	j	-5.90	b	38.05	g
2009	-14.27	a	0.90	g	11.50	i	30.45	j	38.47	n	50.00	a	52.95	l	53.70	a	51.91	g	33.57	h	28.71	p	2.30	k	29.81	i
2010	-2.78	m	-2.84	i	23.09	i	34.55	h	43.08	e	51.10	a	59.73	a	59.10	a	44.04	c	36.05	k	22.05	j	1.25	k	51.41	g
2011	-5.38	r	1.50	l	10.91	h	30.35	g	42.00	e	52.48	a	60.59	b	58.00	f	45.56	e	37.89	l	23.85	c	12.89	l	44.90	g
2012	6.00	k	12.63	j	26.62	j	30.00	l	45.61	c	56.21	a	63.90		55.68		43.00	a	32.96	e	21.54	d	8.06	n	45.56	e
2013	3.25	o	0.23	o	6.65	n	25.00	m	41.62	b	52.70		58.41	d	55.81		48.62	a	35.41	i	18.44	l	-8.72	m	51.43	g
2014	-16.95	l	-11.24	k	3.90	j	24.14	h	44.17	b	54.00		56.97		56.74		46.40		33.95	j	13.13	o	14.74		45.50	f
2015	4.13		-6.59	a	15.70	h	31.52	g	41.59	d	53.63		59.58		54.83	a	52.77		36.74		33.08	e	19.21	c	34.90	b
2016	4.35		6.83		24.48		31.20		43.52		53.43		59.84		58.23		51.07		38.26		31.63		8.48		34.28
2017	3.13		10.29		15.59	i	32.40	e	41.00	m	52.40		56.97		52.77		50.57		36.00	a	17.83		2.58		31.49	b
2018	-2.81		-7.96		14.55		19.33		46.32		53.34	a	59.90		56.71		49.53		32.84		16.10		12.39		29.19
2019	-5.94		-5.64		10.03		29.53		38.87		51.87		60.06		55.61		49.80		35.23		18.70		6.65		28.73
2020	5.58		0.62		18.26		26.83		42.19		53.10		59.58		57.48		44.43		31.16		25.83	l	11.19		31.86	a
2021	7.48		-5.00		22.97		31.30		41.97		55.73		57.84		57.74		47.37		41.84		22.87		6.97		32.42
2022	-12.00		-10.93		12.16		26.43		44.65		52.90		57.32		57.03		47.83		35.68		22.37		4.71		28.18
2023	7.65		0.32		7.55		27.17		45.74		56.13		55.39		54.90		53.57		38.52		21.70		22.77		32.62
2024	9.48		18.03		17.48		31.53	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	15.00	i
Period of Record Statistics
MEAN	-3.39		-0.62		13.08		28.68		41.23		51.31		56.46		54.30		45.85		34.96		20.48		4.71		28.73
S.D.	7.13		7.20		6.07		3.38		3.29		2.93		2.71		2.91		2.87		3.76		4.82		6.77		2.01
SKEW	-0.09		0.29		-0.05		-0.06		-0.08		-0.51		0.26		-0.19		0.08		-0.12		-0.10		0.05		0.42
MAX	12.16		18.03		26.03		37.60		48.58		56.89		63.90		61.06		53.57		44.97		33.08		22.77		34.28
MIN	-21.84		-18.03		-3.42		19.33		31.35		42.41		50.71		46.90		36.60		24.58		7.07		-9.45		23.24
YRS	106		106		103		107		122		130		127		125		123		107		106		107		96