SANDY LAKE DAM LIBBY, MN

Average of Maximum Temperature (Degrees Fahrenheit)

(217460)

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
1892	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1893	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1895	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1896	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1897	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	74.80		56.81		33.64	b	19.23	a	46.12	h
1898	24.81		25.93		38.16		53.37		63.77		73.93		78.26		73.58		69.63		48.29		34.67		21.03		50.45
1899	15.97		10.22	a	23.81		53.60		61.13	a	70.93	a	78.77		74.94		63.93		54.45		45.40		23.63	a	48.07
1900	25.55		16.81	l	25.71	g	61.97		71.23	a	77.80		77.06		81.97		67.23		63.42		31.23		23.79	b	58.13	b
1901	20.69	b	18.11		34.07	a	55.07		70.03	b	73.28	a	81.26		78.39		67.47		58.42		34.63		19.29		50.89
1902	22.13		25.39		42.10	a	50.80		66.27	a	70.00	a	79.19		74.06		63.75	b	54.50	a	37.45	a	20.74	h	53.24	a
1903	18.76	b	22.04	a	35.97	a	53.07	a	65.65		74.63		74.90	a	69.71		63.97		55.42		34.24	a	17.30	a	48.80
1904	12.90	a	10.68	a	30.00		46.33		64.39		71.47		75.39		74.45		63.79	a	51.76	b	44.79	a	22.65		47.38
1905	14.10	a	19.74	a	40.06		50.53		60.97	a	69.63		76.48		77.00		69.87		51.00	d	39.97		27.03		49.70
1906	24.71		21.07		28.13		57.00		63.03		72.83		78.00		77.16		74.03		54.74		38.07	c	23.45		51.02
1907	12.71		24.43		36.00		42.83		55.13		75.43		79.87		75.61		65.30		56.23		39.80		32.32		49.64
1908	27.13		28.18	a	38.26		57.27		63.71		71.87		80.39		75.48		74.70		56.97		42.10		26.00		53.50
1909	19.74		23.75		34.70	a	43.97		61.52		75.90		80.19		77.45		67.67		52.42		42.00	a	18.29		49.80
1910	20.26		19.93		48.84		-----	z	63.48		81.27		81.19		75.71		67.87		60.55		30.97		22.29		52.03	a
1911	16.26		26.68		36.65		48.07		64.42		75.07		73.97		70.39		64.23		51.10		28.83		27.23		48.57
1912	2.52		19.59		30.42		57.57		64.00		72.77		76.33	a	69.68		66.63		58.26		42.20		28.39		49.03
1913	16.48		17.36		27.87		56.67		58.84		75.73		74.65		76.00		66.20		50.68		43.20		34.94		49.88
1914	24.19		13.52	c	33.77		48.73		67.45		71.40		81.29		74.35		68.43		60.58		36.70		17.16		49.80
1915	16.93	a	29.57		37.33	a	62.47		60.06		68.07		73.71		75.48		68.13		57.06		37.17		25.19		50.93
1916	14.10		17.90		31.77		49.00		61.50	a	68.40		85.65		76.39		60.09	h	47.74		31.97		12.43	a	45.17	a
1917	9.19		8.37	a	29.68		42.63		60.27	a	68.07		77.81		73.42		66.60		42.52		43.30		13.74		44.63
1918	10.26		24.14		45.71		55.20		67.45		75.23		79.84		80.81		62.67		55.06		40.33		28.45		52.10
1919	26.65		22.29		34.39		52.27		67.71		76.70		81.32		75.19		67.97		48.74		30.43		13.65		49.77
1920	10.13		19.52		34.23	a	43.73		66.48		73.50		77.23		77.03	a	70.00		57.06		30.73		22.13		48.48
1921	22.29		26.89		35.34	b	55.10		67.06		78.00		85.19		77.90		65.50		53.94		30.77		28.50	a	52.21
1922	20.58		21.54		37.03		50.33		71.48		76.73		77.26		80.29		72.10		59.94		40.23		22.48		52.50
1923	22.63	a	17.00		27.77		51.73		69.06		81.83		82.06		75.77	a	69.77		56.90		44.69	a	33.13		52.70
1924	13.55		28.90		36.71		49.93		58.00		70.59	a	78.87	a	73.94		62.87		62.38	b	36.07	a	12.07	a	48.65
1925	19.65		26.50		41.29		62.23		68.32		73.62	a	78.74		81.26		68.86	a	42.97		43.33		22.45		52.44
1926	23.26		27.11		30.84		53.70		70.47	a	70.90		80.10		75.74		61.17		51.74		29.43		19.68		49.51
1927	17.71		25.96		38.39		49.93		56.03		71.97		75.45		72.13		68.50		58.29		30.93		12.55		48.15
1928	19.77		24.82	a	35.40	a	45.30		69.13		69.50		76.77		76.03		62.93		56.94		44.70		32.77		51.17
1929	8.81		15.86		37.23		52.77		61.57	a	73.43		81.90		77.90		64.80		56.26		33.87		20.32		48.73
1930	10.87		29.36		36.55		55.53		64.87		75.57		81.81		82.42		69.30		51.81		41.30		26.90		52.19
1931	27.71		36.36		36.10		57.50		64.87		77.53		81.55		75.00		72.87		60.81		43.83		32.84		55.58
1932	23.77		25.17		27.16		50.90		66.71		78.23		80.48		77.90		66.27		50.00		33.40		20.84		50.07
1933	26.65		15.93		31.97		48.80		63.87		82.50		81.35		77.19		70.60		50.10		31.53		19.84		50.03
1934	24.23	a	20.50		31.29		47.93		72.23		73.53		77.61		71.94		62.57		57.81		41.10		19.06		49.98
1935	13.00		28.50		33.74		45.63		59.68		67.63		81.94		73.77		65.13		52.16		29.17		22.26		47.72
1936	9.39		6.28		31.90		41.93		67.94		73.37		84.65		76.26		70.40		50.68		32.03		25.81		47.55
1937	10.94		20.43		31.68		46.17		66.55		72.97		80.29		80.23		67.57		50.19		36.80		21.58		48.78
1938	15.68		26.46		44.94		52.03		60.48		73.97		76.97		78.97		66.97	a	59.84		34.43		23.39		51.18
1939	22.16		15.64		33.03		48.50		72.65		73.90		80.29		76.35		69.43		52.84		43.60		35.32		51.98
1940	15.13		25.76		29.16		49.40		63.74		73.20		79.26		73.16		71.60		57.97		31.70		26.58		49.72
1941	20.97		22.57		32.87		56.07		69.39		74.07		80.68		75.65		66.93		55.71		39.83		29.45		52.02
1942	26.87		24.93		39.90		61.00		63.52		71.87		76.52		76.65		63.40		56.97		37.97		19.81		51.62
1943	13.48		27.14		29.00		52.37		62.71		74.87		82.87		77.87		66.27		59.33	a	32.20		28.06		50.51
1944	30.55		25.55		31.65		51.63		67.03		75.03		77.00		77.13		66.50		60.39		39.40		23.23		52.09
1945	17.81		24.86		45.77		48.53		60.84		68.87		76.84		77.16		64.93		55.26		33.43		18.26		49.38
1946	19.77		20.18		47.65		56.63		62.65		73.80		79.03		75.10		66.90		54.97		38.40		22.77		51.49
1947	25.13		20.18		33.90		47.33		60.74		70.93		81.42		82.52		66.80		65.71		30.00		22.32		50.58
1948	15.87		21.72		34.16		54.87		66.81		72.40		79.29		78.77		73.93		59.23		37.20		23.90		51.51
1949	20.87		19.96		32.23		57.47		68.48		77.77		78.52		78.93	a	65.57		56.23		40.33		23.16		51.63
1950	11.90		24.07		29.39		39.24	a	59.57	a	74.13		76.13		73.16		68.00		57.83	a	32.97		18.16		47.05
1951	16.39		23.43		29.52		48.30		69.30	a	70.10		77.35		70.10		61.97		52.19		30.80		19.65		47.42
1952	19.61		29.93		31.93	a	58.80		67.52		76.63		77.55		72.87	a	68.07		53.03		40.17		28.29		52.03
1953	21.87		25.59	a	35.77		47.27		66.00		75.23		77.81		78.43	a	67.20		64.81		43.37		25.60	a	52.41
1954	14.48		36.36		33.32		50.70		58.06		74.37		78.39		74.90		64.00		52.84		41.68	b	28.16		50.61
1955	20.77		21.57		31.52		60.23		70.87		74.17		81.68		79.77		66.97		58.53	a	29.83		18.83	b	51.23
1956	21.97		23.10		33.00	a	47.87		63.35		76.63		74.70	a	75.06		65.50		63.90	a	39.40		27.61		51.01
1957	13.97		24.64		35.97		53.00		65.71		72.23		81.00		75.87		65.20		54.46	c	36.50	b	27.97		50.54
1958	25.55		23.36		38.81		56.87		69.50	a	68.23		75.65		78.03		67.34	a	57.48	b	40.13		17.90		51.57
1959	15.29		23.82		39.74		54.23		66.68		75.33		79.61		78.87		67.10		48.61		28.40		32.35		50.84
1960	21.10		25.17		29.84		52.07		66.94		72.53		80.23		78.87		68.03	a	57.68		40.17		23.32		51.33
1961	19.84		33.75		43.71		46.60		66.97		81.20		80.16		84.03		67.87		59.45		38.27		22.26		53.68
1962	16.42		22.25		36.90		51.07		67.94		74.37		75.97		78.19		66.40		59.65		42.20		26.13		51.46
1963	11.94		21.96		43.13		57.37		65.32		77.57		82.13		76.94		70.03		68.81		44.73		17.06		53.08
1964	28.77		31.28		34.77		54.43		71.23		74.76	a	83.58		72.87		66.60		57.68		39.53		18.23	a	52.81
1965	18.61		20.71		29.32		50.33		66.74		73.67		77.45		76.00		57.80		58.19		38.47		29.74		49.75
1966	11.03		24.89		41.06		46.43		63.13		76.63		83.39		75.03		69.47		56.84		35.63		23.52		50.59
1967	22.29		20.36		38.77		51.50		61.39		73.80		79.26		77.00		71.53		54.71		36.73		25.74		51.09
1968	21.55		25.83		47.74		55.47		62.58		74.60		77.87		77.13		68.73		58.55		38.03		21.23		52.44
1969	16.26		26.68		36.00		55.33		67.81		68.87		79.29		83.23		69.53		51.55		38.50		26.39		51.62
1970	14.84		28.04		35.03		50.47		62.87		78.28	a	84.00		81.48		69.83		56.29		35.83		21.71		51.56
1971	12.29		26.50		35.32		55.23		66.29		79.33		76.00		77.81		70.77		59.87		36.97		23.87		51.69
1972	13.94		20.31		33.68		48.57		71.61		77.67		77.32		77.23		65.87		53.07	a	33.20		17.03		49.12
1973	25.19		27.82		45.06		53.60		64.97		76.20		79.13		79.93	a	68.13		61.48		38.30		24.00	a	53.65
1974	18.90		27.00	a	35.00		54.23		61.71		76.10		84.39		74.68		65.90		58.52		39.63		31.26		52.28
1975	21.84		25.36		32.43	a	45.33		71.19		74.87		83.61		77.81		65.10		61.45		43.41	a	23.93	a	52.20
1976	18.79	b	35.59		37.10		62.03		70.77		80.87		85.10		83.03		73.60		52.81		34.03		15.87	a	54.13
1977	9.03	a	28.68		43.45		61.63		77.48		75.83		81.45		72.48		65.63		57.16		37.63		19.65		52.51
1978	16.06		21.86		40.81		54.37		71.58		76.87		78.03		78.61		72.90		58.84		38.24	a	21.84		52.50
1979	10.71		17.11		35.00		48.28	a	61.10		76.07		81.52		76.58		71.33		54.10	a	37.77		30.32		49.99
1980	19.35		24.86		36.10		60.45	a	75.45		77.29	b	83.20	a	76.68		65.10		51.23	a	41.73		22.06		52.79
1981	25.74		31.74	a	46.65		56.73		67.71		73.69	a	79.84		77.33	a	68.54	b	52.48		45.80		23.68		54.16
1982	9.26		25.76	c	34.10		50.77		69.90		70.20		79.94		75.32	c	67.10		56.55	b	35.61	b	28.03		50.21
1983	23.00	b	30.32		37.30	a	50.50		64.50	a	75.70		84.26		84.03		70.13		56.50	a	35.67		12.10	a	52.00
1984	20.90		34.61	a	33.27	a	57.30		65.48		76.07		80.79	b	83.80	a	64.61	b	57.77	a	40.23		25.83	b	53.39
1985	18.70	a	25.04	a	44.48	b	59.50	b	71.84		72.00		81.16		73.97	a	65.73		57.03	a	31.79	a	15.35		51.38
1986	24.73	a	24.77	b	43.31	b	58.38	a	70.03	b	77.90		80.65		75.53	a	66.03		57.77		35.11	b	28.52		53.56
1987	27.42		38.43		46.06		66.83		69.90	b	82.76	a	83.47	a	78.39	c	71.62	a	52.27	a	43.90	a	29.39		57.54
1988	17.32		21.30	b	37.10		58.24	a	76.63	a	84.65	d	88.44	d	81.67	a	69.79	a	53.30	a	38.43		25.27	a	54.35
1989	26.13	a	19.18		32.39		51.87		70.34	b	76.10	a	84.81		79.52		70.87		59.94		34.57		16.68	c	51.87
1990	32.26		31.71		41.45		54.45	a	65.34	b	77.53		78.39		77.81		70.41	c	54.38	g	43.53	o	24.09	i	58.82	c
1991	17.62	g	34.25	h	39.06	m	56.04	g	68.33	a	77.14	a	76.35		80.55		66.44	c	51.95	l	29.69	n	25.60	k	73.76	g
1992	26.83	h	30.56	k	-----	z	45.50	l	68.56	f	71.35	d	70.42		72.00		66.65	g	55.67	m	34.36	p	24.26	l	71.26	i
1993	19.11	l	24.24	k	39.90	k	49.16	e	63.96	c	70.56	e	73.45		76.94		60.35	d	53.71	j	34.94	l	23.90	k	65.74	f
1994	9.79	l	17.50	h	38.96	h	54.04	g	70.26	d	74.50		75.61		73.60	a	69.31	d	56.80	k	44.11	k	28.90	k	72.66	g
1995	22.22	h	25.00	k	37.82	i	45.53	k	65.66	b	81.63		77.42		80.47	a	70.69	d	56.58	l	29.88	n	19.94	n	75.17	g
1996	12.68	i	24.75	i	28.76	j	45.89	c	62.39		76.63	c	76.52		80.03		70.00	d	55.60	f	30.50	l	-----	z	68.58	f
1997	17.81	j	28.95	i	36.19	j	50.47		59.48	b	78.00		76.89	c	73.26		70.14	a	54.86	i	32.24	m	32.52	j	68.04	f
1998	22.81	j	36.84	i	36.00	i	56.77	h	74.38	b	71.23		79.35		80.29	c	74.46	b	55.62	j	39.44	l	29.45	k	75.94	g
1999	13.06	m	32.89	j	40.87	h	57.27	h	68.08	f	73.55	a	80.28	f	74.43	h	67.39	b	54.10	k	47.95	j	30.64	i	70.47	j
2000	19.75	k	30.50	k	48.94	m	52.45	j	66.03	b	70.17		78.43	a	77.63	a	66.54	d	62.62	j	37.05	k	12.68	l	71.76	g
2001	27.81	j	18.72	j	37.41	i	53.95	k	68.17	y	74.47		80.13		81.48	b	67.91	h	57.23	i	49.38	n	35.06	n	78.69	i
2002	26.81	j	33.70	h	29.00	j	49.32	h	61.04	d	77.55	a	81.55		75.13	a	71.67	f	45.39	h	37.80	o	-----	z	73.82	h
2003	19.42	l	-----	z	35.38	j	52.21	k	64.68	f	74.50		79.26		81.29		69.96	b	56.95	i	36.35	m	27.90	j	76.25	h
2004	13.67	m	25.21	j	38.36	i	54.00	h	60.19	d	70.27		76.97		70.94		70.86	a	54.55	k	44.79	k	24.47	n	69.84	g
2005	17.15	k	28.65	k	35.96	h	62.12	n	59.54	c	75.18	b	80.74		78.24	b	71.56	e	58.25	k	41.44	n	23.11	m	73.05	g
2006	31.81	o	25.32	i	38.73	i	61.32	k	63.92	g	76.27		85.90		79.26		70.52	i	52.05	j	40.59	m	31.90	k	80.48	i
2007	23.58	l	18.33	g	40.59	i	54.22	l	69.21	c	78.67		81.61		77.68		68.97	a	57.32	i	37.94	m	21.42	l	75.23	g
2008	21.30	k	19.80	i	34.35	k	51.05	i	62.16	f	72.68	b	79.28	b	79.85	d	68.78	g	55.32		42.89	k	15.39	c	60.50	g
2009	12.73	a	26.90	g	35.91	i	53.15	j	65.88	n	73.24	a	70.95	l	74.57	a	75.00	g	46.70	h	47.86	p	19.40	k	53.51	i
2010	18.89	m	26.26	i	48.41	i	62.95	h	68.73	e	70.45	a	80.17	a	79.20	a	63.59	c	60.55	k	41.75	j	20.85	k	72.43	g
2011	14.54	r	28.00	l	35.39	h	51.09	g	63.77	e	70.62	a	84.07	b	78.68	f	70.48	e	60.37	l	42.48	c	28.74	l	66.28	g
2012	28.55	k	33.05	j	51.48	j	53.00	l	68.00	c	76.76	a	83.65		78.68		69.83	a	53.00	e	38.88	d	26.47	n	66.97	e
2013	22.25	o	23.77	o	31.82	n	40.35	m	62.48	b	72.13		78.85	d	79.81		72.17	a	52.95	j	37.78	l	14.89	m	73.09	g
2014	10.17	m	16.29	k	31.67	j	45.64	h	63.55	b	74.50		77.26		76.52		68.63		54.29	j	30.60	o	25.71		64.36	f
2015	19.23		13.78	a	37.39	h	55.35	g	63.44	d	75.70		81.23		76.03	a	73.90		56.71		45.92	d	28.71	c	53.47	b
2016	19.58		27.97		41.48		49.07		67.10		73.00		78.29		78.42		68.20		56.77		48.40		22.87		52.60
2017	21.13		30.82		38.73	i	52.00	e	58.72	m	74.97		78.94		72.65		69.73		55.47	a	32.87		18.35		50.69	b
2018	18.65		19.61		37.42		42.37		72.97		74.59	a	79.45		76.65		66.63		45.87		28.10		26.90		49.10
2019	14.26		16.07		33.94		47.90		58.71		73.30		80.81		74.90		67.10		49.65		30.50		23.65		47.56
2020	20.81		25.72		38.13		48.93		63.68		77.10		82.45		77.97		64.23		46.10		42.00	l	27.16		52.03	a
2021	24.42		15.14		43.29		49.66	a	65.97		81.03		82.23		80.00		73.23		59.74		37.97		24.45		53.09
2022	12.77		15.96		34.19		40.57		63.32		75.47		78.29		76.48		69.47		55.71		37.17		18.58		48.17
2023	22.65		24.04		32.10		44.93		69.52		78.50		78.19		77.06		71.67		54.39		38.87		34.00		52.16
2024	20.87		35.45		38.87		52.00		62.42	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.80	h
Period of Record Statistics
MEAN	18.73		23.72		36.11		52.04		65.77		74.60		79.56		76.98		67.89		55.63		37.38		23.39		50.96
S.D.	5.64		5.98		5.26		5.37		4.35		3.37		2.98		3.08		3.22		4.54		4.78		5.31		2.04
SKEW	-0.13		-0.20		0.43		0.11		0.13		0.31		0.09		0.01		-0.12		-0.23		-0.04		0.00		-0.06
MAX	32.26		38.43		48.84		66.83		77.48		84.65		88.44		84.03		74.80		68.81		48.40		35.32		57.54
MIN	2.52		6.28		23.81		39.24		55.13		67.63		70.42		69.68		57.80		42.52		28.10		12.07		44.63
YRS	104		102		100		104		118		126		124		124		120		104		103		103		94