GREEN RIVER, WY

Maximum of Maximum Temperature (Degrees Fahrenheit)

(484065)

File last updated on August 12, 2026
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
1897	-----	z	-----	z	-----	z	77.00		89.00		-----	z	-----	z	-----	z	-----	z	-----	z	71.00		49.00		-----	z
1898	-----	z	65.00		68.00		-----	z	-----	z	94.00	c	100.00		99.00		-----	z	66.00		-----	z	-----	z	-----	z
1899	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	52.00	f	-----	z
1905	54.00		53.00	c	60.00		75.00	d	81.00	d	95.00		95.00		95.00		90.00	b	80.00	a	58.00		44.00		95.00	n
1906	43.00		49.00		60.00		77.00		90.00		91.00	a	93.00		95.00		85.00		89.00	g	62.00		48.00		95.00	h
1907	43.00		49.00		63.00		72.00		82.00		83.00		92.00		90.00		85.00		75.00		61.00		51.00		92.00
1908	39.00		55.00		65.00		75.00		77.00		84.00		92.00		94.00		89.00		74.00		61.00		45.00		94.00
1909	50.00		48.00		54.00		67.00		75.00	e	92.00		98.00		98.00		87.00		81.00		-----	z	56.00		-----	z
1910	47.00		50.00		75.00		82.00		-----	z	95.00	a	98.00	a	94.00		88.00		86.00		62.00		51.00		-----	z
1911	51.00		48.00		62.00		70.00		86.00		92.00		-----	z	94.00		88.00		73.00		-----	z	-----	z	-----	z
1912	-----	z	51.00		54.00		68.00		82.00		90.00		92.00		94.00		84.00		74.00	b	65.00	a	43.00	a	-----	z
1913	46.00	d	55.00	b	58.00	d	73.00	c	85.00		91.00	b	95.00		95.00		-----	z	75.00	e	61.00		41.00	d	-----	z
1914	42.00	d	48.00	d	53.00		71.00	a	87.00		95.00	c	90.00		94.00		90.00	b	76.00	a	69.00		37.00		95.00	o
1915	40.00	a	52.00		63.00		78.00		84.00		90.00		96.00		94.00		86.00		78.00	a	69.00		54.00	a	96.00	c
1916	48.00		48.00		65.00		77.00		82.00		93.00		95.00		95.00		93.00		72.00		67.00		49.00	a	95.00	a
1917	41.00		49.00		64.00		68.00		81.00		93.00		98.00	f	93.00	p	89.00	e	82.00		68.00	b	58.00		-----	z
1918	55.00		48.00		67.00		64.00	i	85.00	g	93.00	e	98.00	c	96.00	g	89.00		78.00		70.00		58.00	a	-----	z
1919	50.00		53.00		66.00		78.00		88.00		97.00		97.00		93.00	b	91.00		65.00	a	64.00	a	47.00		97.00	d
1920	59.00		54.00		61.00		61.00		85.00		88.00		-----	z	-----	z	87.00		84.00	a	62.00		48.00		-----	z
1921	55.00		60.00		70.00		69.00		83.00		97.00		99.00	q	90.00	k	89.00		83.00		68.00		56.00		-----	z
1922	45.00		49.00		62.00		66.00		83.00	a	97.00		96.00		92.00	l	86.00		80.00	a	69.00		52.00		97.00	n
1923	46.00		49.00	a	61.00	a	74.00		82.00		90.00	a	95.00		90.00	a	89.00		70.00		60.00	a	49.00	b	95.00	g
1924	47.00	a	57.00		59.00		74.00		83.00		95.00		98.00		96.00		96.00		74.00		67.00		58.00		98.00	a
1925	44.00		56.00		66.00		79.00		89.00		97.00		102.00		92.00		89.00		79.00		56.00		55.00	a	102.00	a
1926	47.00		52.00		65.00		78.00		85.00		97.00		99.00		97.00		86.00		79.00		69.00		58.00		99.00
1927	55.00		50.00		61.00		79.00		86.00		96.00		95.00		91.00		89.00		77.00		66.00		49.00	b	96.00	b
1928	58.00		49.00		70.00		77.00		85.00		89.00		95.00		98.00		89.00		79.00	a	63.00		37.00		98.00	a
1929	42.00		40.00		60.00		68.00		84.00		95.00		98.00		96.00		89.00		80.00	a	61.00		61.00		98.00	a
1930	45.00	a	62.00		60.00		81.00		89.00		93.00		99.00		91.00	h	89.00		72.00		66.00		50.00		99.00	i
1931	59.00	a	56.00		64.00		77.00		85.00		92.00		103.00		96.00		92.00		80.00		73.00	a	45.00		103.00	b
1932	39.00	a	59.00		57.00		76.00		83.00		97.00		95.00		95.00		89.00		80.00	a	62.00		50.00		97.00	b
1933	51.00		50.00	a	68.00		69.00		88.00		94.00		100.00		99.00		91.00		79.00		63.00	a	59.00		100.00	b
1934	52.00		64.00		68.00		81.00		90.00		91.00		99.00		95.00	a	86.00		82.00		68.00	a	44.00		99.00	b
1935	52.00		62.00		63.00		71.00		76.00		91.00		102.00		98.00		87.00		81.00		55.00		48.00		102.00
1936	54.00	a	54.00		58.00	a	76.00		92.00		98.00		103.00		99.00		87.00		80.00	a	62.00	a	52.00	a	103.00	e
1937	41.00		44.00	a	56.00		76.00		86.00	a	98.00		99.00		98.00		90.00		77.00		65.00		48.00		99.00	b
1938	55.00		54.00		65.00		81.00	a	85.00		89.00		97.00		95.00		87.00	a	78.00	a	63.00		50.00		97.00	c
1939	53.00		45.00		72.00	a	86.00		88.00		94.00		103.00		97.00		90.00		75.00		70.00		66.00	a	103.00	b
1940	51.00		59.00		68.00		78.00	a	88.00		103.00		99.00		100.00		92.00	b	77.00		60.00		62.00		103.00	c
1941	43.00		59.00		66.00		69.00		87.00		92.00		93.00		94.00		82.00		71.00		65.00	a	54.00		94.00	a
1942	43.00		41.00		57.00		74.00		82.00		87.00		95.00		91.00		86.00		80.00	b	67.00	a	53.00		95.00	c
1943	52.00	a	55.00		74.00	a	79.00		85.00		91.00		96.00		94.00		86.00		81.00	b	64.00		47.00		96.00	d
1944	43.00		49.00		52.00		70.00		84.00		90.00		93.00		92.00		87.00	a	80.00		64.00		50.00		93.00	a
1945	52.00		57.00		66.00		77.00		81.00		89.00		94.00		93.00		91.00		81.00		65.00	a	49.00		94.00	a
1946	48.00		59.00		70.00		82.00		77.00	a	92.00		94.00		93.00		86.00		70.00		52.00		56.00		94.00	a
1947	47.00	a	51.00		64.00		70.00		85.00		86.00		94.00		89.00		91.00		89.00	a	64.00		47.00	a	94.00	c
1948	51.00		56.00		62.00		74.00		86.00		89.00		93.00		93.00		91.00		81.00	a	61.00	c	50.00		93.00	d
1949	39.00		47.00		66.00		81.00		80.00	f	93.00	e	95.00		96.00		86.00		79.00		68.00		55.00		96.00	k
1950	55.00		58.00		65.00		77.00		80.00		88.00		92.00	g	88.00	t	96.00	a	81.00	r	-----	z	54.00		-----	z
1951	54.00		68.00		62.00		72.00		84.00		85.00		95.00		92.00		84.00		79.00		60.00		43.00		95.00
1952	48.00		49.00		54.00		80.00		80.00		92.00	g	95.00		90.00		90.00		80.00		67.00		52.00		95.00	g
1953	54.00		58.00		72.00		78.00		80.00		93.00		95.00		92.00		90.00	a	82.00		69.00		50.00	a	95.00	b
1954	55.00	a	60.00		60.00		75.00		89.00	b	97.00		104.00	c	95.00		90.00		76.00		65.00	a	45.00		104.00	g
1955	45.00		49.00		57.00		71.00		80.00		93.00		100.00		93.00		90.00		78.00		63.00		55.00		100.00
1956	50.00		54.00		70.00		70.00	a	88.00		92.00		93.00		95.00	i	87.00		79.00		65.00	d	58.00	d	95.00	r
1957	48.00		56.00		60.00		69.00		78.00		89.00	b	92.00		93.00		84.00	b	83.00		53.00		55.00	a	93.00	e
1958	42.00		49.00		53.00		68.00		87.00		90.00		92.00		96.00	n	89.00		80.00		67.00		54.00		96.00	n
1959	56.00		47.00		60.00		78.00		79.00		92.00		96.00		92.00		90.00		72.00		61.00		55.00		96.00
1960	43.00		49.00		68.00		76.00		85.00		90.00		97.00		94.00		87.00		80.00		61.00		47.00	a	97.00	a
1961	52.00		55.00		66.00		72.00		82.00		94.00		93.00		93.00		81.00		74.00		55.00		45.00		94.00
1962	42.00		61.00		57.00		80.00		79.00		93.00		95.00		94.00		87.00	a	78.00		68.00		58.00		95.00	a
1963	48.00	a	62.00		66.00		72.00		80.00		90.00		94.00		93.00		87.00		82.00		61.00		48.00		94.00	a
1964	48.00		48.00		62.00	a	68.00		86.00		89.00		94.00		92.00		83.00		80.00	a	63.00		52.00		94.00	b
1965	55.00		53.00		60.00		73.00		78.00		83.00		92.00		90.00		79.00		79.00		66.00		48.00		92.00
1966	45.00		43.00		69.00		69.00		84.00		90.00		97.00		91.00		86.00		73.00		60.00	a	48.00		97.00	a
1967	48.00		53.00		64.00		66.00		84.00		82.00		91.00		91.00		88.00		75.00		64.00		43.00		91.00
1968	48.00		51.00		68.00		69.00		79.00		89.00		90.00	a	90.00		85.00		73.00		58.00		49.00		90.00	a
1969	52.00		42.00	a	61.00		76.00		88.00	a	88.00		92.00		95.00		86.00		80.00		64.00		57.00		95.00	b
1970	55.00	a	53.00		58.00	a	66.00		86.00		95.00		93.00		93.00		84.00	g	64.00	j	53.00		46.00		95.00	s
1971	52.00		52.00		66.00		73.00		79.00		94.00	p	95.00		90.00	p	86.00	e	79.00		45.00		43.00		-----	z
1972	43.00	a	53.00		68.00		73.00		83.00		89.00		92.00		95.00		82.00		76.00		-----	z	52.00		-----	z
1973	50.00		44.00		50.00		68.00		84.00		90.00		96.00		92.00		80.00	a	79.00		65.00		52.00		96.00	a
1974	46.00		46.00		59.00		72.00		82.00	a	96.00		93.00		91.00		86.00	b	80.00	a	57.00		47.00		96.00	d
1975	50.00		48.00		61.00		63.00		81.00		83.00		92.00		89.00		85.00		78.00		63.00		59.00		92.00
1976	54.00		52.00	c	53.00	k	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	49.00	o	-----	z
1977	48.00		60.00		65.00		76.00		-----	z	93.00		94.00		89.00		90.00		76.00		69.00	b	57.00		-----	z
1978	42.00		50.00		71.00		70.00		83.00		88.00		99.00		91.00		90.00		75.00		67.00	a	44.00		99.00	a
1979	40.00		48.00		55.00		73.00		83.00		94.00		93.00		100.00		91.00		83.00		58.00	a	52.00		100.00	a
1980	48.00		54.00		54.00		78.00		82.00		90.00		92.00		92.00		86.00		81.00		69.00		58.00		92.00
1981	54.00		59.00		61.00		78.00		81.00		88.00		91.00		93.00		82.00		68.00		63.00	b	59.00		93.00	b
1982	54.00		62.00		55.00		71.00		82.00		88.00		95.00	a	93.00	e	85.00	a	71.00		61.00		56.00		95.00	g
1983	49.00	a	50.00	a	69.00		66.00		94.00		87.00		-----	z	-----	z	86.00		74.00		66.00	d	41.00		-----	z
1984	45.00		43.00		54.00		75.00		86.00		94.00		94.00	b	93.00		86.00		73.00		64.00		42.00		94.00	b
1985	42.00		46.00		65.00		77.00		82.00	a	93.00		98.00		94.00		87.00		72.00		67.00		43.00		98.00	a
1986	49.00		61.00		70.00		74.00		80.00		92.00		89.00	o	96.00		83.00		75.00		60.00		55.00		96.00	o
1987	50.00		57.00		65.00		81.00		83.00		90.00		94.00		90.00		88.00		81.00		68.00		57.00		94.00
1988	56.00		58.00		65.00		76.00		85.00		99.00		96.00		94.00		88.00		80.00		68.00		51.00		99.00
1989	52.00		54.00		70.00		83.00		82.00		93.00		100.00		92.00		86.00		82.00		66.00		52.00		100.00
1990	56.00		55.00		64.00		75.00		81.00		99.00		95.00		96.00		94.00		79.00		66.00		51.00		99.00
1991	42.00	a	57.00		58.00		74.00		79.00		85.00		93.00		93.00		92.00		82.00		59.00		49.00		93.00	a
1992	44.00		56.00		63.00		83.00		84.00		90.00		92.00		96.00		87.00		85.00		60.00		38.00		96.00
1993	41.00		49.00		68.00		72.00		82.00		89.00		90.00		91.00		85.00		82.00	a	60.00		55.00		91.00	a
1994	50.00		56.00		68.00		81.00		85.00		96.00		95.00		95.00		90.00		75.00		64.00		54.00		96.00
1995	52.00		57.00		65.00		70.00		75.00		86.00		97.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1996	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1997	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1998	-----	z	49.00		65.00		75.00		79.00		90.00		100.00	a	95.00		98.00		79.00	c	64.00		60.00	a	-----	z
1999	54.00	i	56.00	b	71.00	b	71.00	c	76.00	l	90.00		95.00	k	92.00	h	84.00	e	77.00	s	71.00	k	49.00	h	-----	z
2000	51.00	k	55.00	c	65.00	a	80.00	e	87.00	j	94.00	m	96.00	l	95.00	m	89.00	m	75.00	h	41.00	b	46.00	h	-----	z
2001	46.00	j	47.00	k	64.00	d	78.00	d	85.00	j	98.00	f	101.00	j	99.00	n	92.00	f	83.00	n	60.00	p	49.00	f	-----	z
2002	52.00	k	58.00	e	54.00	p	71.00	u	94.00	d	85.00	o	-----	z	91.00	k	89.00	j	68.00	t	55.00	i	50.00	m	-----	z
2003	57.00	i	64.00	a	70.00	a	76.00	p	94.00	m	92.00	k	97.00	m	96.00	k	87.00	l	84.00	h	56.00	m	45.00	w	-----	z
2004	44.00	e	45.00	k	74.00	s	74.00	f	77.00	l	90.00		97.00	c	89.00	k	91.00	h	72.00	p	59.00	j	49.00	o	-----	z
2005	45.00	n	45.00	n	57.00	n	75.00	o	88.00	v	87.00	p	-----	z	94.00	e	78.00	j	-----	z	60.00	s	47.00	r	-----	z
2006	51.00	r	54.00	i	56.00	k	-----	z	80.00	w	97.00	h	97.00	v	93.00	f	87.00	b	65.00	n	68.00	t	55.00	n	-----	z
2007	44.00	n	53.00	l	65.00	y	66.00	m	86.00	f	98.00	s	97.00	r	97.00	b	90.00	h	75.00	h	66.00	j	42.00	v	-----	z
2008	41.00	j	48.00	h	54.00	n	76.00	l	88.00	o	92.00	l	94.00	x	98.00	h	87.00	k	81.00	c	66.00	l	56.00	x	-----	z
2009	55.00	l	56.00	m	-----	z	75.00	a	87.00	u	90.00	l	97.00	o	93.00	g	89.00	l	74.00	k	72.00	f	44.00	h	-----	z
2010	46.00	f	50.00		-----	z	-----	z	-----	z	-----	z	96.00		94.00		92.00		87.00		70.00	a	48.00		-----	z
2011	48.00		54.00		61.00		71.00		76.00		92.00		95.00		96.00		88.00		86.00		67.00		52.00		96.00
2012	51.00		47.00		71.00		85.00		86.00	a	96.00		98.00		96.00		88.00		79.00		71.00		53.00		98.00	a
2013	48.00		49.00		69.00		74.00	b	86.00		98.00		96.00		95.00		93.00		77.00		64.00		48.00		98.00	b
2014	49.00		56.00		67.00		74.00		88.00		89.00		98.00		92.00		90.00		77.00		70.00		50.00		98.00
2015	58.00		64.00	a	75.00		78.00		79.00		96.00		95.00		93.00		90.00		84.00		68.00		53.00		96.00	a
2016	43.00		59.00		65.00		75.00		80.00		97.00		96.00		95.00		90.00		79.00		69.00		49.00		97.00
2017	40.00		58.00		75.00		74.00		87.00		94.00		97.00		93.00		93.00		78.00		63.00		57.00		97.00
2018	56.00		52.00		63.00		81.00		86.00		95.00		98.00		97.00		89.00		81.00		59.00		42.00		98.00
2019	39.00		50.00		59.00		74.00		78.00		91.00		95.00		95.00		95.00		75.00		65.00		42.00		95.00
2020	45.00		47.00		60.00		80.00		87.00		92.00		96.00		98.00		95.00		84.00		70.00		52.00		98.00
2021	49.00		44.00		66.00		77.00		84.00		99.00		98.00		96.00		93.00		79.00		68.00		60.00		99.00
2022	51.00		55.00		77.00		73.00		87.00		93.00		97.00		97.00		98.00		76.00	e	60.00		46.00	a	98.00	f
2023	39.00		40.00		52.00		73.00		81.00		86.00		99.00		95.00		89.00		79.00		64.00		48.00		99.00
2024	51.00		51.00		61.00		76.00		83.00		95.00		99.00	a	99.00		92.00		88.00		59.00		44.00		99.00	a
2025	43.00		62.00		75.00		82.00		86.00		96.00		97.00		100.00		91.00		81.00		71.00		61.00		100.00
2026	54.00		60.00		84.00		80.00		88.00		93.00		102.00		100.00	s	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	48.38		53.03		63.79		74.54		83.62		91.89		95.83		94.14		88.28		78.21		63.63		50.78		96.47
S.D.	5.29		5.84		6.05		4.87		3.87		3.98		3.12		2.64		3.54		4.38		5.23		5.84		2.98
SKEW	-0.03		0.07		0.18		-0.15		0.10		-0.12		0.45		0.21		0.20		-0.41		-1.35		-0.06		0.15
MAX	59.00		68.00		84.00		86.00		94.00		103.00		104.00		100.00		98.00		89.00		73.00		66.00		103.00
MIN	39.00		40.00		50.00		61.00		75.00		82.00		90.00		89.00		79.00		65.00		41.00		37.00		90.00
YRS	107		114		112		111		105		108		103		98		106		105		104		106		73