SNAKE RIVER, WY

Average of Maximum Temperature (Degrees Fahrenheit)

(488315)

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
1905	-----	z	-----	z	-----	z	-----	z	-----	z	69.70	t	76.73	a	77.46	e	68.62	f	50.35	h	44.00	a	27.57	a	56.44	h
1906	31.16		34.74	a	38.57	a	53.93	a	58.16		63.93	a	77.55	i	74.21	b	69.45	j	55.00	b	32.00	j	27.13	h	51.21	d
1907	22.88	n	35.43	n	32.62	o	-----	z	-----	z	-----	z	80.38	w	75.58		65.45	h	58.21	b	44.70	t	-----	z	66.89	j
1908	29.24	b	34.32	a	37.32		-----	z	56.69	o	57.59	a	77.45	b	71.58		66.89	b	41.56	o	42.43		28.00	a	49.43	c
1909	30.16		28.14		35.39		39.67		51.10		70.82	h	76.19		77.48		61.50		52.32		39.03		20.97		46.54	a
1910	23.58		25.75		47.65		53.90		59.48		72.73		79.84		76.32		67.33		56.63	a	38.70		27.52		52.45
1911	25.13		24.32		39.06		43.93		53.68		67.17		75.45		75.97		65.07		49.39		33.17		25.17	a	48.12
1912	27.87		32.55		34.81		45.53		53.32		68.67		72.52		69.55		55.87		45.55	b	39.57		27.67	a	47.79
1913	23.54	c	26.46		33.71		50.33		56.42		65.03		65.33	a	74.50	a	71.93		47.97		37.30		29.35		48.49
1914	31.55		27.50		40.23		48.57		61.39		65.13		77.58		-----	z	-----	z	-----	z	-----	z	-----	z	50.28	e
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	78.65		88.16		67.70		59.10	a	45.00		30.13		61.46	f
1916	-----	z	-----	z	44.94		53.77	d	-----	z	-----	z	-----	z	76.26		-----	z	45.00	w	33.30	c	22.56	o	52.06	h
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	81.64	i	77.26		64.74	c	54.21	c	46.73		34.41	b	55.47	g
1918	26.13		27.11	a	41.97		44.47		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	34.92	h
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	77.07	o	49.30	h	36.12	e	28.63	d	32.37	j
1920	31.21	c	33.56	d	33.42		42.81	n	55.59	i	66.48	a	78.81		77.03	b	65.48	a	48.53	a	33.58	d	27.57	a	49.57	b
1921	24.79	l	32.61		39.52	d	44.65	g	57.09	h	71.00		76.90		75.55	b	60.72	a	60.79	c	42.52	i	30.61		55.96	d
1922	21.32	f	23.62	l	31.90	j	41.36	e	53.14	j	74.00	f	75.97		76.79	c	68.67	f	57.20	f	35.27	h	24.91	i	64.70	i
1923	26.27	i	28.38	l	34.08	e	45.81	i	56.20	f	63.91	g	77.10		70.94		66.73		47.10		41.50	b	28.25	k	56.24	f
1924	23.67	g	36.06	k	32.79	c	44.04	f	62.95	l	70.22	c	76.53	a	74.85	e	63.53		48.11	d	35.64	b	25.91	i	57.38	e
1925	26.19	j	33.50	n	41.13	p	47.08	f	59.87	h	67.32	k	72.48	b	-----	z	56.71	b	37.37	l	-----	z	31.52	b	53.57	i
1926	27.84	l	32.31	o	40.30	d	52.53	m	63.35	k	70.73		77.94		74.71		62.66	a	54.36	c	39.90		31.68	l	60.08	e
1927	32.36	i	29.27	m	35.95	l	51.00	r	51.09	i	-----	z	77.43	a	70.16		63.68	b	50.39	m	37.93	o	20.70	u	70.42	i
1928	29.25	w	31.81	m	39.00	j	44.00	n	64.69	r	59.14	w	74.32	l	77.73	a	71.07		64.14	x	40.12	v	30.31	e	59.70	i
1929	25.70	k	24.58	i	41.11	l	44.10	i	54.44	o	66.72	l	80.32	l	78.85	d	-----	z	57.67	d	35.48	a	33.23		51.31	h
1930	18.29		36.30	a	37.81		53.59	a	57.00	a	69.64	b	80.14	b	74.00	a	64.40		48.73	a	38.80		27.10	b	50.48
1931	28.61		35.96	a	36.74		48.24	a	58.73	a	72.59	a	82.61		77.52		66.57		54.65		36.96	d	28.92	s	54.47	a
1932	24.32	i	30.06	m	36.08	s	46.35	g	57.54	g	67.17	a	76.10		76.39		68.93		47.08	e	38.17		19.39		56.17	e
1933	23.94		19.18		36.61		45.23		53.16		74.70		82.61		75.97		65.80		58.18	c	42.17		32.83	b	50.86
1934	29.77	a	40.76	c	44.93	c	58.52	e	70.71		69.20		82.86	b	81.48		63.10		55.93	a	38.39	b	27.93	b	55.30
1935	22.85	k	32.14		30.90		43.67		52.81		67.76	a	81.53	a	76.03		67.47		51.58		31.21	a	28.23		51.21	a
1936	23.84		25.21	a	34.26		47.43		64.45		72.43		83.18	c	77.03		70.27		58.90		42.90		27.39		52.27
1937	15.13		28.00		40.39		43.90		62.06		69.07	a	78.68		79.06		70.60		56.52		36.90		28.19		50.71
1938	27.29		33.79		36.00		48.73		53.77	a	70.37		74.84		75.58		72.36	b	-----	z	28.15	c	28.64	f	52.09	b
1939	26.50	a	-----	z	-----	z	52.33		62.13		-----	z	79.53	a	79.62	b	68.79	a	51.23		47.43		33.61		55.69	c
1940	27.42		32.92	e	39.39		47.96	f	64.61		73.33		80.84		84.19		70.41	a	56.93	a	33.14	a	30.70	a	53.99	a
1941	-----	z	35.04		42.77		48.97		60.57	a	67.37		76.35		71.65		56.83		51.84		39.67		30.19		52.84	a
1942	25.13		26.14		36.03	a	48.73		51.65		-----	z	-----	z	-----	z	71.07	a	-----	z	-----	z	-----	z	43.13	f
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	79.71		79.25	c	71.86	a	56.93	b	41.47		32.06		60.21	f
1944	28.53	a	31.69	c	36.23	a	48.10		58.97		63.43		75.35		77.87		67.73		60.17	a	35.37		27.48		50.91
1945	29.63	a	31.00		36.87		42.57		55.23		59.55	a	77.06		75.71		60.07		55.94		32.60		24.03		48.35
1946	26.71		28.93		40.84		51.83		54.52		70.10		80.42		78.94		65.10		42.10		35.93		29.19		50.38
1947	22.74		33.46		39.87		47.10		60.58		60.47		80.45		74.45		67.33		54.81		30.57		27.42		49.94
1948	26.97	a	31.00		34.48		44.13		56.77		66.73		75.90		77.23	a	69.00		57.26		29.97	a	21.88	g	51.77	a
1949	18.84	f	26.56	c	36.15	e	53.07	b	59.43	a	66.80		78.61		79.65	n	69.17		47.29	g	45.17		26.97		51.33	c
1950	21.45	i	34.50	l	36.58	g	45.97		52.43	c	65.96	c	73.84		75.90		63.66	a	54.62	b	35.90	a	32.32		55.62	c
1951	23.97	a	32.36		29.50	o	49.79	p	61.00	h	60.73		78.48		71.52		65.07	b	46.87		34.13		23.26		48.49	c
1952	23.61		29.38		33.47	a	52.80		59.17	a	69.87		76.55		76.87	a	72.55	a	62.45		34.41	a	27.16		51.52
1953	33.33	m	31.36		40.19		43.63		51.94		68.70		82.26		78.16		71.43	b	59.86	b	41.83		26.27	a	54.15	a
1954	27.94		37.21		34.74		47.63		60.71		62.67		80.35		75.32		68.41	c	53.65		44.40		26.10		51.59
1955	21.50	a	25.86		30.55		42.70		57.13	a	65.20		78.47	a	79.06		65.69	a	55.90	a	30.00		26.94		48.25
1956	26.42		25.48		35.39		48.40		59.81		71.11	b	79.26		75.33	a	69.33		52.32		35.50		28.97		50.61
1957	20.45		34.46		38.10		46.40		58.65		65.57		77.94		77.77		66.52	a	50.65		39.46	q	-----	z	53.65	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	25.77		27.11		33.45		48.57		63.03		65.20		78.16		81.26		70.70		46.97		40.17		28.93	a	50.78
1970	25.23		35.32		34.81		40.35	j	56.16		69.93		79.10		81.87		61.60		47.74		36.17		24.55		50.22	a
1971	24.97		29.86		31.19		43.85	j	59.29		67.80		78.55		84.35		61.25	b	49.71		36.63		22.48		49.64	a
1972	23.48		30.31		40.48		45.30		59.26		68.73		76.42		77.94		61.20		52.55		34.47		21.94		49.34
1973	24.50	a	32.79		37.10		42.52	g	59.87		68.30		78.29		77.61		-----	z	54.71		33.00	f	29.13		51.37	c
1974	24.13		30.92	c	34.26		42.89	c	53.65	k	73.87		82.35		75.58		70.66	a	61.26		35.97		25.84		50.70	a
1975	23.03		28.46		33.32		37.70	c	49.55		64.70		78.29		71.48		67.47		48.26		32.87		30.48		47.14
1976	25.74		29.76		34.32		46.21	b	58.93	c	65.67	c	79.23		71.81	d	67.37		52.64	c	39.93	b	29.45		50.09
1977	25.84		36.71		34.35		54.40	e	55.12	e	73.17		76.74		73.10		61.90	a	54.32		36.74	c	28.50	a	50.91
1978	26.71		30.39		41.61		46.23		53.30	a	67.83		77.43	c	73.71		62.55	a	56.30	a	35.33		17.86	b	49.11
1979	16.71		28.36		37.74		44.10		56.70	a	68.85	c	79.27	a	74.90		73.63		55.30	d	32.63		32.68		50.07
1980	25.16		34.90		35.81		50.20		57.03	a	66.63		75.90	a	69.97		64.11	b	53.13		38.90		34.87		50.55
1981	35.68		32.93		43.52		48.80		53.32		63.73		76.26		81.48		71.50		46.81		40.41	a	29.29		51.98
1982	23.54	c	27.59	a	36.57	a	40.52	a	53.38	b	65.48	a	72.26		79.57	c	64.17	f	45.70	a	31.70		27.79	b	45.83	a
1983	30.10	a	32.39		38.43	a	42.29	b	54.44	d	62.86	a	74.62	b	76.13	a	64.50	b	53.29		33.00	c	20.41	d	48.54
1984	24.87	a	32.89	a	36.77		-----	z	53.63	a	64.00	i	76.37	a	75.03	a	60.31	a	45.97	a	33.43	b	23.17	a	46.24	b
1985	25.17	a	24.64		34.31	b	49.74	c	60.27	a	70.10	a	79.10		73.48	b	-----	z	-----	z	-----	z	-----	z	52.10	d
1986	30.77		31.29		43.10	a	45.86	a	56.72	b	73.59	c	70.79	c	76.82	i	57.24	a	-----	z	34.69	a	27.37	a	47.14	b
1987	26.61		35.79		-----	z	57.61	g	63.07	a	71.52	c	72.30	a	73.79	b	72.41	c	59.52	b	37.30		27.07	b	53.94	b
1988	25.36	c	32.86	a	36.37	a	49.37	c	62.10	b	77.34	a	82.52	d	78.90	a	67.29	b	63.89	c	32.26	c	24.48		52.73
1989	25.81		27.27	b	39.90	a	48.20		57.29		67.87		82.03		73.19		68.03		50.84		37.07		27.45		50.41
1990	29.94		29.70	a	41.71		52.55	a	54.23	a	68.27		77.74		76.63	a	73.79	a	48.39	c	37.75	b	19.86	c	50.88
1991	25.13		39.37	a	37.00	a	43.23		54.52		69.10		78.68		79.59	b	65.11	c	52.79	c	32.67		26.74		50.33
1992	28.65		38.03		47.29		52.45	a	65.20	a	68.23		70.42		77.45		64.53		56.19		30.83		23.87		51.93
1993	23.94		28.32		39.77		43.07		60.26		62.90	a	64.74		71.47	a	65.40		50.26		32.93	a	28.29		47.61
1994	30.39		29.93		42.39		49.93	a	63.04	c	69.75	b	79.84		81.84		72.13		49.45		29.27		27.42		52.11
1995	25.81		35.86		35.61		44.20		52.77	a	63.83		73.55		76.18	c	67.50		47.60	a	38.30		30.26		49.29
1996	26.00		29.69		37.06		44.93		51.65		67.05	h	79.71		78.52		62.97		52.58		37.73		25.83	a	47.88	a
1997	25.52		27.93		36.73	a	40.57		56.48		70.50		73.29		75.39		-----	z	52.03		38.23		24.65		47.39	a
1998	29.71		32.39		37.35		47.03		57.37	a	58.53		76.68		69.23		70.57		53.00		35.38	a	25.06		49.36
1999	26.84		28.54		41.94		42.70		52.13	a	63.80		75.39		76.52		64.03		57.03		46.60		28.19		50.31
2000	27.03		34.72		40.10		49.80		56.77		66.77		78.74		78.26		64.87		51.20	a	28.50	f	25.89	c	52.20	a
2001	27.94		27.25		41.29		42.52	g	61.00		66.63		78.42		81.39		70.07		51.37	a	42.16	e	24.23	a	51.98	a
2002	24.13		28.71		33.57	a	46.50	f	55.03	a	67.70		81.19		74.07	a	65.52	a	47.93	b	33.64	b	27.83	a	49.03	a
2003	31.00	a	-----	z	-----	z	49.87	o	56.71		67.55	a	83.55		79.47	a	64.30		58.50	a	28.14	b	27.75	c	55.22	c
2004	25.87		30.48		44.77		50.97		53.07	b	65.79	a	75.06		72.65		62.60		50.48		38.37		27.23	a	49.78
2005	29.94		34.21		39.59	d	46.31	q	55.10		62.07		77.81		73.90		62.67		54.03	b	35.92	e	23.77		49.91	a
2006	25.77		26.96		36.03	a	47.92	e	59.00	b	70.47		80.83	a	76.19		65.95	h	49.27	a	38.00	j	26.92	g	52.49	c
2007	23.33	a	30.75		41.48	h	54.40	t	60.04	d	72.78	c	84.34	b	78.18	c	65.90	a	49.50	a	38.57	i	22.58	e	54.16	c
2008	20.47	a	27.86		33.30	h	44.00	w	53.27	a	63.43		78.67	a	77.48		65.86	a	50.87		-----	z	22.48	j	54.74	d
2009	27.97	a	30.25		37.04	e	44.71	m	58.61	c	62.57		74.90		73.65		73.86	a	42.42		36.28	a	25.50	i	51.75	b
2010	27.90	a	29.86		42.48	f	46.76	m	50.73	e	63.40		76.13		75.07	a	68.37		55.94		37.67	o	27.32	i	55.92	d
2011	24.06		25.29		35.64	c	39.40	t	49.38	j	61.97	a	77.52		78.00	b	70.47		52.19		31.97		25.71		48.28	b
2012	29.19		31.34		40.42		51.77		56.52		68.33		80.61		80.00		69.83		49.00		38.30		25.26		51.71
2013	22.87		27.21		36.61		41.90		57.10		68.10		79.71		78.61		62.83		48.33	a	34.50		20.61		48.20
2014	27.03		27.21		38.19		45.13		58.29		63.80		77.52		69.39		65.03		54.35		33.83		28.45		49.02
2015	29.61		36.82		45.94		49.37		56.52		74.53		73.16		75.55		68.07		56.39		32.33		24.61		51.91
2016	25.35		34.66		38.74		50.77		57.42		72.43		76.19		76.97		65.17		49.70	a	43.20		20.19		50.90
2017	22.58		32.39		42.00		44.43		60.77		69.37		79.77		76.35		63.70		49.68		35.00	a	26.94		50.25
2018	29.32		26.25		35.23		47.17		60.55		67.97		79.03		75.77		69.50		50.23		32.00		24.71		49.81
2019	25.39		25.14		39.03		45.73		51.42		65.83		76.55		76.81		61.87		40.35		37.80		25.13		47.59
2020	25.48		27.55		38.16		43.60		57.23		65.23		73.87		79.97		67.97		51.10		35.00		27.35		49.38
2021	25.81		24.71		39.97		45.63		57.16		75.83		83.58		73.10		68.23		50.42		38.27		27.84		50.88
2022	27.45		26.50		39.45		40.23		51.68		66.00		81.26		78.55	b	73.13		54.23		28.00		22.23		49.06
2023	24.32		25.82		29.23		41.67		61.17	a	64.63		78.48		71.86	j	65.17		51.16		38.83		29.37	a	46.35	a
2024	24.74		30.03		37.06		47.79	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	34.91	h
Period of Record Statistics
MEAN	26.09		30.51		37.85		47.03		57.24		67.53		77.67		76.40		66.45		52.55		36.62		27.02		50.20
S.D.	3.26		3.94		3.72		4.14		3.92		3.93		3.43		3.33		4.05		4.61		4.38		3.46		1.59
SKEW	-0.40		0.14		0.36		0.22		0.44		-0.03		-0.97		0.31		-0.31		-0.00		0.35		-0.25		0.40
MAX	35.68		40.76		47.65		58.52		70.71		77.34		84.34		88.16		73.86		63.89		47.43		34.87		55.30
MIN	15.13		19.18		29.23		37.70		49.55		57.59		64.74		69.23		55.87		40.35		28.00		17.86		47.14
YRS	87		90		89		76		85		89		99		100		94		93		90		88		49