SNAKE RIVER, WY

Average of Average Temperature (Degrees Fahrenheit)

(488315)

File last updated on April 25, 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
1905	-----	z	-----	z	-----	z	-----	z	-----	z	52.20	t	56.67	a	57.31	e	49.45	i	35.02	i	30.07	a	17.05	k	48.01	i
1906	19.31	d	19.31	d	19.86	b	36.10	a	40.58		47.61	c	56.98	k	54.38	b	47.73	q	37.86	f	21.48	j	20.63	h	33.88	e
1907	12.97	o	20.83	p	24.97	o	-----	z	-----	z	-----	z	58.12	w	54.33	d	45.77	j	42.19	d	30.50	t	-----	z	48.26	j
1908	12.15	e	19.14	a	23.32		-----	z	41.81	o	45.43	a	58.07	d	54.82	a	48.50	b	-----	z	29.62	a	14.36	c	33.94	c
1909	18.44		16.07		22.89		26.75		37.48		53.50	m	57.11		58.17	a	48.10	a	37.82		28.17	a	8.26		32.66	a
1910	11.94		12.11		32.42	a	37.08		42.31		52.48		59.50		53.15		49.28		39.60	a	28.63		15.79		36.19
1911	13.82		8.12		25.72	b	34.17	a	40.79		53.42		55.50		53.89		47.28		34.55		19.22		10.95	a	33.12
1912	16.81		17.24		20.81		30.58		38.81		51.07		57.10		54.61		43.53		34.54	c	29.38		14.98	a	34.12
1913	8.61	d	7.71	b	19.71	b	34.23		42.53		51.03		51.76	b	56.50	b	50.45		33.73	a	24.13		8.40		32.40
1914	15.19		15.52		21.89		35.73		44.13		48.90		57.71		-----	z	-----	z	-----	z	-----	z	-----	z	34.15	e
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	63.28	a	67.69		51.98	a	43.92	a	35.18	k	-----	z	56.72	h
1916	-----	z	-----	z	30.03		36.88	i	-----	z	-----	z	-----	z	61.88	a	-----	z	30.44	w	17.24	c	8.13	p	36.39	i
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	60.32	i	54.63		46.93	c	36.02	c	32.03		26.48	c	39.22	g
1918	14.55		13.78	a	25.74		29.58		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	20.91	h
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.60	o	30.41	h	19.16	e	12.22	d	15.69	j
1920	13.91	c	14.96	e	19.94		31.75	n	40.34	i	47.81	a	57.61		55.91	d	46.34	b	34.47	b	22.27	d	15.87	a	32.91	b
1921	10.39	m	17.18		25.69	d	29.39	g	43.09	h	52.93		55.92		54.74	b	42.64	a	39.73	c	28.79	i	17.61		38.31	d
1922	7.12	f	10.88	l	20.55	j	25.67	f	38.19	j	53.06	f	55.63		57.14	c	47.31	f	37.76	f	20.43	h	13.43	i	56.39	j
1923	15.34	i	8.72	l	15.63	e	30.57	i	41.06	f	46.80	h	58.81	b	51.98		48.09	a	34.81		26.61	b	11.79	l	39.32	f
1924	9.82	i	20.83	k	18.71	c	32.15	f	43.84	l	50.48	c	56.30	a	53.23	e	45.87		36.19	e	20.38	e	10.68	i	40.17	e
1925	16.43	k	23.46	n	25.80	p	35.35	f	44.78	h	51.11	k	54.91	c	-----	z	45.43	b	29.86	m	-----	z	22.00	b	40.78	i
1926	14.38	n	19.58	o	25.44	f	37.41	n	46.75	k	52.23		58.50		56.39		42.19	a	38.98	c	30.65		16.61	l	46.49	f
1927	17.57	j	13.77	m	19.74	l	33.91	s	38.34	i	-----	z	57.20	a	52.32		47.07	b	36.36	m	29.68	p	6.35	u	52.20	i
1928	16.50	w	15.66	m	22.43	k	27.41	n	44.65	r	44.50	w	56.03	l	54.22	a	48.42		45.64	x	23.70	y	13.62	e	38.75	i
1929	11.97	l	11.77	q	23.95	l	29.38	j	37.81	o	49.81	l	59.29	l	58.65	d	-----	z	39.54	d	18.83	a	21.09	b	34.52	h
1930	1.35		24.30	a	22.60		38.55	b	42.09	b	50.57	b	58.62	b	57.78	a	46.85		37.00	a	20.83		11.12	b	34.31
1931	16.71		19.29	d	22.84	b	33.16	b	42.95	b	54.34	a	60.45		56.47		47.33	a	38.18		21.40	d	11.12	w	37.56	a
1932	9.25	i	13.06	m	15.36	t	31.04	g	42.46	g	50.83	a	56.19		55.00		47.20		31.00	i	25.05		5.61		39.98	f
1933	16.21		6.72	a	20.08		29.90		39.21		54.05		60.26		56.12	a	46.86	a	40.68	c	29.08		24.00	e	35.26
1934	18.95	b	26.78	c	31.93	d	40.12	e	50.16		51.12		59.97	b	58.47		44.97		41.35	a	28.04	c	17.91	b	39.15
1935	13.88	k	16.93		20.15		31.60		39.74		49.79	a	59.10	a	54.92		47.75		36.53	a	18.31	a	12.37	a	35.20	a
1936	11.23		14.00	b	17.45	a	31.85		45.11		53.60		64.11	c	57.76		47.95		39.92		22.68		16.74		35.20
1937	2.87		14.04		24.42		30.70		44.44		52.31	a	60.06		57.02		50.73		39.76		27.32		17.92		35.13
1938	13.52		22.16		25.45	u	33.81	a	40.45	a	52.70		57.48		55.56		51.86	b	-----	z	15.48	e	17.59	h	38.11	c
1939	15.44	e	-----	z	-----	z	36.72		44.84		-----	z	58.18	a	56.30	c	48.95	a	37.45	a	28.07		22.90		38.76	c
1940	16.10	a	22.26	f	25.03		34.98	f	45.97		53.70		58.69		58.48		50.94	c	39.95	c	20.07	b	16.85	a	38.58	b
1941	-----	z	18.19	a	27.00		34.33		45.32	a	51.77		58.76		56.58		42.87		37.53		26.13		20.23		38.06	a
1942	10.57	a	10.02		20.38	a	34.98		39.18		-----	z	-----	z	-----	z	51.14	b	-----	z	-----	z	-----	z	27.71	f
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	57.68		56.64	c	50.40	a	40.96	d	26.40		16.48	b	41.43	f
1944	10.48	a	18.42	d	20.37	a	33.72	a	44.08		48.78		55.87		54.13		47.67		41.15	a	23.67		13.74		34.34
1945	17.02	a	19.21		23.77		28.25		41.94		46.38	b	57.11		56.66		44.53		39.10		23.08		14.44		34.29
1946	11.92	a	17.38		26.95		37.00		40.74		51.50		59.85		56.84		46.10		33.08		25.03		20.10	b	35.54
1947	9.03	a	18.73		25.73		32.42		44.26		48.18		58.48		54.61		48.34	a	41.08		21.03		17.05		34.91
1948	10.93	a	17.68	a	18.13		31.65		41.03		51.83		57.76		55.95	a	48.48		38.68		20.22	a	10.67	g	35.67	a
1949	2.14	f	13.62	d	26.12	g	35.31	c	44.83	a	50.52		57.69		59.38	n	49.38		35.31	g	31.60		16.34		37.41	d
1950	11.66	i	21.84	l	24.15	g	32.22		36.86	c	49.00	c	55.19		56.74		47.78	a	39.88	b	25.75	b	22.97		40.71	c
1951	12.27	a	19.07		16.81	o	37.32	p	44.87	h	46.05		58.10	a	55.35		46.59	b	35.71		19.97		15.05		34.24	c
1952	14.00		13.78		18.73	a	35.75		43.95	a	51.47		56.40		56.43	a	50.50	b	40.03		18.57	a	17.00		34.72
1953	25.72	m	18.02		24.84		29.10		38.81		50.43		60.29		56.85		49.25	b	41.36	b	30.47		15.53	a	37.72	a
1954	19.53		22.75		20.42		34.88		44.21		48.22		59.89		54.68		47.41	c	35.56		30.00		10.71		35.69
1955	9.17	a	11.52		14.73	a	30.23		41.37	a	49.17		59.12	a	58.42		47.59	a	38.10	a	19.98		17.27	a	33.05
1956	15.95		9.83		20.11		33.77		44.84		51.68	b	58.47		54.93	a	47.92		37.29		18.33		16.53		34.14
1957	5.69		22.00		23.48		33.17		43.89		50.03	a	57.69		56.73		47.41	a	37.60		28.77	q	-----	z	37.77	b
1958	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1959	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1960	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1961	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1962	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1963	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1964	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1965	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1966	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1967	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1968	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1969	16.68		15.50		16.87		35.59	a	45.73		50.35		57.34		58.23		50.28		33.89		24.60		17.53	a	35.21
1970	16.85		18.50		21.19		27.20	j	41.48		50.86	i	59.16		58.90		44.13		32.19		26.03		14.16		33.26	b
1971	16.42		15.75		20.29		28.28	l	42.68		49.97		57.79		62.18		43.23	b	36.40		22.85		12.05		34.51	a
1972	13.92		18.95		28.13		32.80		42.40		52.05		56.37		58.40		44.85		37.21		23.88		9.76		34.89
1973	10.88	a	17.61		22.52		28.83	g	42.66		51.03		58.23		57.40		-----	z	38.40		24.81	f	18.21		35.22	c
1974	14.23		16.44	c	23.46	e	30.93	c	39.40	k	53.17		60.18		54.98		46.47	a	39.92		22.65		11.23		33.97	a
1975	10.21		13.57	a	20.44		26.10	d	36.24		47.77		59.65		51.42		45.40		33.85	a	17.85		18.03		31.71
1976	13.76		13.91		15.63		31.80	c	42.67	d	48.22	e	58.06		52.27	g	47.95		35.69	e	24.56	c	11.60		31.26	a
1977	9.65		16.12		18.06		34.98	e	41.70	h	55.38		57.53		55.16		44.32	b	36.58		24.06	d	16.48	a	33.48	a
1978	17.39		17.71		26.08		34.17		39.67	b	50.25		57.83	e	52.84		45.48	b	35.93	b	22.55		2.80	c	33.56
1979	1.29		15.82		22.58		31.00		40.59	b	50.62	f	58.00	a	56.25	a	50.08		37.02	h	16.08		16.18		30.79	b
1980	12.11		20.45		21.73		32.70		43.40	a	50.32		57.22	a	52.79		46.62	b	35.47		24.78		20.39		34.83
1981	17.66		17.80		27.81		35.34	a	42.11		49.37		55.87		58.26		49.68		34.42		27.57	a	17.35		36.10
1982	10.77	c	10.93	a	24.13	a	26.29	a	38.52	d	49.23	b	56.02		57.73	e	46.18	k	34.02	c	17.82	b	14.36	c	30.89	a
1983	14.68	a	17.22	a	24.92	a	28.81	c	39.90	g	46.98	c	55.76	d	59.46	e	45.91	b	37.85		23.40	d	7.60	e	32.96	a
1984	12.16	b	13.48	b	23.84		-----	z	39.80	a	47.50	n	57.38	c	57.05	b	43.54	b	29.52	b	20.19	c	6.58	a	30.35	b
1985	7.03	a	5.54		17.21	b	33.77	f	44.35	a	52.30	c	59.60		52.46	d	-----	z	-----	z	-----	z	-----	z	34.07	e
1986	15.15		21.39		27.95	a	33.09	b	39.89	d	54.12	f	52.54	h	55.75	k	41.69	c	-----	z	20.97	a	8.17	a	26.04	d
1987	9.65		18.12		-----	z	35.83	i	46.69	b	52.88	e	54.43	b	52.31	d	47.25	f	35.79	e	23.92		12.40	b	34.02	c
1988	8.12	c	13.09	b	18.82	a	32.92	f	43.32	c	55.12	b	57.10	f	53.12	b	44.21	b	41.43	d	20.81	c	10.23		30.83	b
1989	10.28	a	11.27	b	25.37	a	32.88		41.66		49.75		59.29		53.16		45.93		35.83	a	22.38		11.32		33.26
1990	16.42		13.43	a	24.03		37.39	c	40.35	a	50.10		57.58		56.17	a	51.71	a	31.96	e	24.73	d	2.50	c	33.86
1991	7.68	a	21.19	b	21.98	a	29.87		40.48		50.82		56.69		57.86	b	46.07	c	33.72	d	19.47		8.85	a	32.89
1992	9.77		22.16	a	31.21		37.02	a	46.90	b	51.15		52.79	b	55.09	c	44.12		38.21		18.18		10.30	a	34.74
1993	9.27		11.55		24.85		31.21	a	44.19		48.05	a	48.63	a	51.98	a	44.88	a	34.90	a	15.09	b	14.44		31.59
1994	16.85	a	12.76	a	24.79		33.90	a	45.16	c	50.75	b	57.38	a	56.82		47.73		34.68	a	14.40		14.98		34.18
1995	10.57	a	22.77		22.25	a	31.20		38.30	c	47.36	b	54.18		53.46	c	45.32		30.83	b	27.95		15.69		33.32
1996	12.13		14.45		22.65		31.03		39.17	b	49.39	h	59.15		55.52		44.10	a	34.95		24.90	a	17.14	c	32.29	a
1997	12.76		11.77		21.83	a	27.63		41.97		53.23	b	55.37	a	55.88	a	-----	z	34.93	a	24.67		8.71		31.70	a
1998	18.10		17.84		22.95		32.57		42.60	b	45.33		57.97		52.35		52.53	a	37.92		27.05	b	13.22	b	35.04
1999	16.97	b	16.29		24.37		30.16	b	39.26	b	48.69	a	55.48		56.85	a	44.21	a	37.37	d	31.10		15.23		34.66
2000	17.45		21.09		24.95		35.91	a	43.57	c	50.12	a	58.23		56.72	b	45.62	b	37.08	a	14.28	g	11.17	d	36.54	a
2001	10.48		15.15	d	26.67	d	30.79	i	44.39		50.98		59.34		58.68		49.36	a	35.24	b	29.89	h	13.66	f	38.92	c
2002	12.90	f	10.82	f	21.15	e	33.52	h	41.25	a	52.02		61.19		53.60	b	46.97	a	32.30	d	21.54	g	16.31	g	44.07	e
2003	20.98	e	-----	z	-----	z	35.87	o	43.06		50.34	a	61.52		59.22	b	45.83	d	40.23	i	16.85	d	17.13	h	42.54	e
2004	12.00	g	17.35	e	29.53	a	35.93	c	40.44	d	50.62	a	56.87	a	54.03		45.90	d	36.42	e	23.63	c	17.69	g	39.07	b
2005	19.02	f	14.09	f	26.78	h	32.38	q	42.43	d	48.37		58.26		55.21	b	44.81	c	37.89	h	23.73	h	13.22	h	49.81	g
2006	16.58	f	13.57	g	20.15	h	35.04	g	43.72	b	52.63		60.92	a	54.58	a	47.39	h	34.45	c	22.67	l	12.39	h	49.26	g
2007	6.52	c	19.70	a	28.24	l	38.65	t	43.40	e	53.18	e	64.52	e	57.63	d	48.04	c	36.91	b	25.50	i	13.31	e	38.13	c
2008	7.21	b	15.89	b	18.16	i	28.67	x	39.70	c	48.17	a	57.77	a	55.19	b	45.57	c	35.78	d	-----	z	10.78	k	38.16	d
2009	14.43	b	15.81	b	21.82	f	32.97	o	41.92	e	48.72	a	55.73	a	53.90	a	51.19	a	30.66		23.34	b	14.25	i	37.30	c
2010	15.10	a	15.62		26.02	i	29.53	o	36.98	g	48.92		55.82		54.83	a	46.95		39.65		24.71	p	16.45	i	39.56	e
2011	14.06		11.61		24.18	c	30.00	t	38.26	j	46.60	a	55.66		56.12	b	48.75		38.27	a	18.87		11.65		32.58	b
2012	15.76		16.91		28.37		37.92		42.26		49.95		60.24		56.63		47.93		33.60		27.27		15.63		36.04
2013	7.76		15.02		21.79		28.57		42.16		49.72		58.89		56.63		48.82		33.97	a	23.23		9.05		32.97
2014	13.53		16.16		26.50		32.73		42.19		48.05		57.40		53.79		47.60		38.42		23.87		18.82		34.92
2015	16.37		23.05		28.47		35.85		44.44		55.92		55.16		55.66		48.27		42.06		20.07		13.82		36.59
2016	16.26		23.12		26.18		37.20		43.19		53.50		56.21		54.48		47.67		38.68	a	30.75		7.31		36.21
2017	7.69		22.50		31.40		32.70		43.71		51.88		59.66		55.53		46.65		34.56		24.97	a	14.79		35.50
2018	17.35		16.12		22.90		34.85		45.71		51.43		58.42		54.81		47.35		36.40		20.33		13.35		34.92
2019	11.69		13.79		21.68		35.48		39.50		49.47		57.74		56.29		45.86	a	26.55		24.53		14.47		33.09
2020	17.08		11.60		26.37	a	31.40		43.61		49.70		55.03		58.19		47.22		34.32		21.80		11.56		33.99
2021	12.44		14.61		24.02		31.00		43.40		55.75		62.35		55.10		46.82		37.35		28.12		19.95		35.91
2022	11.53		11.62		24.65		28.37		39.50		50.07		59.90		58.95	b	51.30		37.47		14.63		11.97		33.33
2023	13.47		10.38		16.39		28.80		46.05	a	50.20		58.03		55.95	j	48.02		36.90		25.05		16.22	a	31.77	a
2024	14.27		20.14		24.16		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	19.52	i
Period of Record Statistics
MEAN	12.95		16.23		23.24		32.89		42.30		50.55		57.82		55.97		47.20		36.76		23.43		14.33		34.53
S.D.	4.08		4.15		3.86		3.11		2.52		2.31		2.34		2.40		2.37		3.05		4.36		4.59		1.41
SKEW	-0.62		-0.10		0.13		-0.12		0.06		0.07		-0.28		1.26		0.05		-0.37		-0.01		-0.08		0.42
MAX	20.98		26.78		32.42		40.12		50.16		55.92		64.52		67.69		52.53		43.92		32.03		26.48		39.15
MIN	1.29		5.54		14.73		26.10		36.24		45.33		48.63		51.42		41.69		26.55		14.40		2.50		31.59
YRS	83		86		83		70		82		86		97		99		93		88		86		81		43