KETCHUM RANGER STATION, ID

Average of Minimum Temperature (Degrees Fahrenheit)

(104845)

File last updated on April 20, 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
1937	-----	z	-----	z	-----	z	-----	z	-----	z	36.09	g	41.94		34.29		33.23		23.10		16.90		9.32		26.46	f
1938	2.84		8.21		12.26		21.53		30.39		35.57		40.84		36.97		34.79	a	28.03		7.30		6.97		22.14
1939	1.80	a	-1.50		10.68		24.27		30.81		32.00		39.61		37.26		30.60		24.35		12.87		15.00		21.48
1940	2.55		8.66		13.68		24.53		28.74		34.77		37.55		34.94		34.70		25.71		10.66	a	7.19		21.97
1941	-0.94		2.85	b	11.97		20.70		29.26		33.07		37.52		36.58		25.20		22.32		15.07		5.35		19.91
1942	-5.10		-9.86		1.45		21.57		24.81		27.03		32.74		30.87		23.17		18.42		9.31	a	-0.60	a	14.48
1943	-7.89	c	-2.93		-1.84		20.90		21.10		26.00		30.77		27.45		23.60		19.58		-----	z	1.94		14.43	a
1944	-7.76	b	1.90		-2.35		16.63		22.00	b	26.40		28.61		24.81		22.37		-----	z	5.07		-----	z	13.77	b
1945	-1.48		7.29		10.57	a	19.83		28.52		33.53		36.61		37.06		27.27		23.03		10.20		-1.16		19.27
1946	-3.84		-0.96		14.40	a	21.63		29.10		33.03		38.52		34.84		28.13		21.19		16.07	a	8.13	a	20.02
1947	-5.58		8.32		13.58		22.80		30.71		33.80		35.58		34.81		28.33		27.61		12.03		6.93	b	20.74
1948	1.76	b	1.93	a	8.13		21.93		27.42		35.23		34.94		33.35		30.83		22.84		10.53		-5.74		18.60
1949	-16.23		-0.11		15.42		21.63		33.00		33.67		36.29		37.87		30.87		20.16		19.17		2.29		19.50
1950	-6.16		0.75		7.61		21.45	a	24.16		32.03		39.97		36.23		34.07		27.48		20.00		8.77		20.53
1951	-3.77		4.32		5.19		22.53		30.13		29.97		37.52		37.42		27.90	a	23.52		8.77		-2.94		18.38
1952	-6.10		-5.59		3.23		21.17		31.16		36.07		37.68		36.03		29.63		20.00		3.20		1.94		17.37
1953	11.90		4.79		12.48		20.97		27.43	a	31.33		36.16		35.29		29.69	a	24.32	c	17.77		5.45		21.47
1954	6.23		5.79		9.97		24.03		28.76	f	33.10		38.90		34.17	a	26.53		17.74		17.60		1.65		19.61	a
1955	-4.68		0.36		5.39		21.80		27.87		33.53		39.87		35.77		27.10	a	20.71		12.47		8.97		19.10
1956	3.20	a	-2.90		7.10		22.57		31.10		30.90		36.68		33.29		25.53		21.90		4.80		2.32		18.04
1957	-10.42		5.07		11.90		22.53		32.16		33.40		35.65		33.29		28.80		24.32		8.00		6.16		19.24
1958	-0.58		8.25		8.74		18.27		31.10		35.73		36.81		38.81		27.97	a	19.13		13.27		12.29		20.81
1959	4.94		1.54		8.29		21.03		25.58		33.20		35.13		32.16		30.77		23.55		11.03		2.94		19.18
1960	-3.65		-5.31		8.06		22.77		24.94		32.63		39.13		32.77		29.53		20.74		12.13		-1.29		17.71
1961	-1.84		10.43		10.65		20.63		27.55		36.07		37.03		42.65		30.20		22.00		12.90		-1.35		20.58
1962	-3.58		3.57		5.19		22.37		29.16		33.37		36.13		33.55		26.30		25.84		16.73		7.87		19.71
1963	1.68		14.82		14.65		21.87		31.23		36.10		34.45		35.87		35.93		25.32		15.97		2.13		22.50
1964	-3.06		-1.41		2.29		20.73		28.58		35.53		37.29		33.55		25.00		21.19		11.07		4.55		17.94
1965	5.81		1.75		3.26		25.47		26.90		34.07		37.19		37.13		26.27		21.55		16.57		4.65		20.05
1966	0.10		-1.43		8.90		19.67		26.87		32.07		35.52		35.90	a	32.83		19.32		18.00		2.84		19.22
1967	4.94		2.39		13.23		18.90		29.19		39.34	a	43.58		41.43	a	37.50		26.52		19.97		3.10		23.34
1968	2.29		10.10		18.42		18.20		29.23		35.87		40.00		40.03		33.63		24.23		19.07		5.61		23.06
1969	5.61		3.18		5.10		25.17		33.03		37.90		42.32		38.84		33.57		22.06		15.93		6.97		22.47
1970	7.26		8.18		14.94		20.10		30.19		38.30		44.84		40.90		29.00		20.68		20.55	a	3.68		23.22
1971	6.94		8.61		10.42		23.63		32.23		35.67		41.00		44.10		27.73		25.42		16.40		1.65		22.82
1972	6.06		8.76		18.16		19.30		29.60	a	37.72	a	40.20	a	42.32		31.67		28.26		18.83		5.19		23.84
1973	-----	z	-----	z	-----	z	-----	z	32.68	l	41.35	g	45.32		42.63	a	33.59	a	23.36	i	18.07	b	9.96	c	29.92	g
1974	1.74		3.15	a	15.19	d	24.90	i	29.20	k	38.57	p	45.32	i	38.90	b	30.81	d	23.33	d	19.35	d	6.28	b	17.34	d
1975	2.19		4.14		9.90		17.84	e	29.52	d	33.93	c	44.97		35.10		30.33	f	26.08	e	12.81	d	11.35		20.71	a
1976	5.06		6.92	d	7.40	a	27.05	i	32.96	e	36.65	g	44.96	e	40.23	a	35.81	c	23.05	i	17.41	c	8.30	d	22.12	c
1977	3.12	e	10.63	i	13.84	f	26.19	d	29.63	a	44.07	a	42.93	c	42.47	a	34.22	c	21.94	n	11.86	b	10.90		27.27	c
1978	9.71		9.79		18.61		25.93		29.61		37.30		44.48		39.62	b	35.30	c	25.96	c	16.96	b	-0.50	a	24.40
1979	-4.81		7.82		16.13		22.43		31.87		36.61	b	42.90	b	42.60	a	34.58	f	28.47	a	11.12	d	8.10		22.11	a
1980	2.16		13.10		13.97		25.37		33.97		34.93	a	43.06		35.16		34.50	d	24.33	a	15.67		9.97		23.85
1981	9.10		7.11		19.13		25.03	a	33.29	c	37.17	a	41.04	c	42.81	d	34.00		23.70	a	18.60		9.23		25.02
1982	0.48	b	3.74	a	14.65		16.81	d	30.48		38.07	b	43.79	b	42.59	b	33.89	b	25.39	c	10.43		5.67	d	22.17
1983	10.63	a	10.93	a	18.53	a	20.46	b	31.26		36.30		39.69	b	45.77		32.43		27.32		16.07		0.06		24.12
1984	0.68		5.24		14.07	a	23.73		31.39		36.47		45.27	a	43.74		-----	z	22.23	a	13.52	a	-1.65		21.34	a
1985	1.84		-2.21		10.65		25.67		33.16		39.57		48.79	b	37.84		31.33		22.58		8.62	a	1.42		21.60
1986	8.97		17.11		21.16		26.67		30.83	b	39.79	b	39.97		42.73	a	30.83		25.19	d	18.87	g	8.77		26.55	a
1987	2.52	b	11.46		18.52		26.07	a	33.29		37.70		41.13	a	38.10		33.83	a	25.55		20.03		7.19		24.62
1988	4.81		8.10		17.58		24.89	b	30.31	b	40.34	a	43.77	a	37.97	a	32.40		30.80	a	14.23		2.55		23.98
1989	-1.29		3.63	a	17.77		24.97	a	30.19		37.63		42.97		39.13		32.77		26.03		14.77		8.97	a	23.13
1990	7.06		0.93		16.45		27.10		27.45		34.77		41.79	b	41.27	a	35.57		21.42	e	12.14	b	-7.13		21.57
1991	0.71		13.93		10.45		20.96	d	27.87	a	31.69	a	41.03		39.84		32.28	a	21.74		10.00	a	0.87	a	20.95
1992	2.93	c	11.31		19.23	a	22.17	a	30.81		36.50		36.10	a	36.03	a	30.72	a	27.14	b	13.14	a	4.03	a	22.51
1993	3.00	b	5.71		18.40	a	22.86	a	34.03		33.00	a	33.10		38.71		30.93	a	27.00	e	7.37		5.68		21.65
1994	7.42		6.44	a	18.61		26.67		35.77	a	34.30		38.96	c	35.75	c	35.63	c	25.29		6.19	c	8.55		23.30
1995	9.52		13.30	e	16.57	c	26.17		32.35		37.70		41.10	a	39.19		35.66	a	23.64	f	18.65	m	8.34	b	25.99	b
1996	5.80	a	9.56	b	18.52		26.37		31.81		36.90		44.52		38.16		31.10		24.66	b	20.71	b	10.63	a	24.89
1997	8.61		8.39		17.62	b	25.59	a	35.23	a	41.82	b	44.55		45.29		39.80		28.10		17.79	a	10.76	b	26.96
1998	9.52	b	12.14		15.63	a	26.73		32.65		38.00		46.71		45.23		41.48	a	26.41	b	21.70	c	8.97	a	27.10
1999	7.33	a	6.40	c	14.77	a	24.58	d	29.90	k	37.96	e	42.00	b	44.70	d	33.52	a	26.60	a	21.32	b	11.27	e	24.59	a
2000	9.20	a	16.62		17.03		30.92	f	34.68		40.50	b	44.71		43.52	b	34.50		28.35	h	13.30	c	9.11	d	26.32	b
2001	7.30	a	9.46		21.29	c	25.62	a	36.00	b	39.80	j	44.93	a	43.57	a	36.59	c	26.48	d	18.72	a	4.50	c	24.95	a
2002	6.42		4.48	a	13.35		26.36	b	33.41	d	43.18	b	49.35		40.62	b	36.27		24.00	d	17.11	b	14.03		25.72
2003	15.64	c	9.96	a	19.29	c	27.46	d	34.33	a	40.96	b	46.65		47.50	a	36.55	a	32.17	b	11.52	g	13.28	b	29.44	a
2004	6.17	a	8.35	f	19.72	f	29.96	e	33.52	d	41.31	d	46.36	c	43.32	i	35.96	c	30.31	e	19.58	d	13.62	b	28.53	c
2005	9.00	a	10.82		20.23	a	26.62	d	34.48	f	37.79	a	45.78	d	42.67	j	32.55	a	27.57	a	17.07	b	8.62	b	23.61	b
2006	9.63	a	4.15	a	15.58		28.60		35.16		42.37	c	50.17	a	42.29		35.97		27.39		17.93	a	8.81		26.50
2007	1.61		15.68		21.48		28.83	a	34.66	b	41.53		51.30	a	44.67	d	36.47		27.87	a	17.32	h	8.03	a	28.37	a
2008	0.77		9.75	a	13.71		19.64	b	34.35		38.67		46.61		42.90		29.24	e	24.11	v	21.77	h	8.07	a	24.37	b
2009	8.87		10.00		15.77		27.10		29.56	v	41.90		45.13		42.48		37.03		25.97	b	16.27		4.77		25.03	a
2010	13.13		9.93		18.55		25.17		30.55		38.87		41.10		40.69	b	31.64	b	28.81		18.70	c	10.19		25.61
2011	7.13		8.18		16.81		23.39	g	-----	z	35.50	d	42.81		43.53	a	37.43		32.55	b	14.87		10.27	a	24.91	b
2012	7.97		9.10		19.65		27.93		31.94		37.62	a	46.75	c	43.30	h	34.74	g	23.87		22.63		12.81		24.03	b
2013	3.74		13.57		20.71		26.59	c	34.68	f	43.89	l	47.03		44.42		45.80	e	27.96	d	20.55	a	6.81		25.72	b
2014	13.39		14.36		24.23		28.23		38.42		40.87		49.13		48.00		40.17		31.97		16.97		17.19		30.24
2015	12.52		20.82		26.71		32.16	e	39.06		46.63		47.23		45.55		37.48	g	34.08	g	15.87		7.23	e	29.38	b
2016	7.52		13.76		22.71		31.07		33.27	e	41.28	e	42.03	a	42.62	b	37.19	i	30.77		22.80		1.61		26.31	a
2017	1.00		17.61		21.00		26.40		35.19		42.77		48.97		47.06		40.07	a	24.48		21.60		11.03		28.10
2018	13.84		10.75		15.26		27.53		39.77		41.79	b	45.38	r	41.74		33.61	b	28.42		15.63		8.20	k	26.83	b
2019	8.26		8.71		14.14	b	29.60		34.87		39.37		44.29		43.42		37.43		18.71		17.66	a	8.94		25.45
2020	8.58		8.76		19.87		25.13		32.81	j	39.79	a	43.96	c	45.86	b	36.03		28.42		14.59	a	8.61		25.42	a
2021	6.23	a	5.96		16.23		24.37		31.84		42.73		48.77		42.10		33.07		29.06		20.76	e	12.23		26.11
2022	3.58		6.59	a	16.43	q	23.86	a	30.88	g	39.86	h	46.10		47.29		38.23		26.67	m	9.87		4.80	a	22.54	d
2023	8.06		7.00	c	10.54	g	23.00	f	37.45		40.72	l	45.28	f	47.52		31.82	h	26.95	l	20.30		13.97		22.38	f
2024	11.45		14.00		15.94		25.32	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	13.80	i
Period of Record Statistics
MEAN	3.52		6.76		13.78		23.78		31.10		36.53		41.41		39.42		32.47		24.86		15.05		6.30		22.11
S.D.	6.00		5.75		5.90		3.32		3.57		4.03		4.74		4.73		4.42		3.42		4.54		4.75		3.05
SKEW	-0.57		-0.26		-0.59		0.07		-0.19		-0.17		-0.20		-0.38		0.06		0.07		-0.51		-0.38		0.20
MAX	15.64		20.82		26.71		32.16		39.77		46.63		51.30		48.00		45.80		32.55		22.80		17.19		30.24
MIN	-16.23		-9.86		-2.35		16.63		21.10		26.00		28.61		24.81		22.37		17.74		3.20		-7.13		14.48
YRS	86		84		82		80		76		79		84		84		80		77		81		85		56