Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Average Temperature Rankings, July 1991

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1991 1-Month	66.5°F (19.2°C)	67.1°F (19.5°C)	-0.6°F (-0.3°C)	40th Coolest	Coolest since: 1990	1906
	66.5°F (19.2°C)	67.1°F (19.5°C)	-0.6°F (-0.3°C)	89th Warmest	Warmest since: 1989	2003
	Ties: 1900, 1922, 1965
Jun–Jul 1991 2-Month	64.5°F (18.1°C)	64.2°F (17.9°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1989	1915
	64.5°F (18.1°C)	64.2°F (17.9°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1990	2012
	Ties: 1919, 1943, 1971
May–Jul 1991 3-Month	60.8°F (16.0°C)	60.0°F (15.6°C)	0.8°F (0.4°C)	81st Coolest	Coolest since: 1990	1915
	60.8°F (16.0°C)	60.0°F (15.6°C)	0.8°F (0.4°C)	48th Warmest	Warmest since: 1989	2012, 2018
	Ties: 1918, 1937, 1984
Apr–Jul 1991 4-Month	56.1°F (13.4°C)	55.7°F (13.2°C)	0.4°F (0.2°C)	69th Coolest	Coolest since: 1984	1917
	56.1°F (13.4°C)	55.7°F (13.2°C)	0.4°F (0.2°C)	60th Warmest	Warmest since: 1990	2012
	Ties: 1902, 1919
Mar–Jul 1991 5-Month	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1984	1917
	51.9°F (11.1°C)	51.3°F (10.7°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1990	2012
	Ties: 1918, 1943
Feb–Jul 1991 6-Month	48.6°F (9.2°C)	47.3°F (8.5°C)	1.3°F (0.7°C)	95th Coolest	Coolest since: 1990	1903
	48.6°F (9.2°C)	47.3°F (8.5°C)	1.3°F (0.7°C)	34th Warmest	Warmest since: 1986	2012
	Ties: 1943
Jan–Jul 1991 7-Month	44.8°F (7.1°C)	43.9°F (6.6°C)	0.9°F (0.5°C)	87th Coolest	Coolest since: 1988	1917
	44.8°F (7.1°C)	43.9°F (6.6°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1990	2012
	Ties: 1896, 1907, 1921, 1940, 1956
Dec 1990–Jul 1991 8-Month	41.8°F (5.4°C)	41.6°F (5.3°C)	0.2°F (0.1°C)	64th Coolest	Coolest since: 1988	1917
	41.8°F (5.4°C)	41.6°F (5.3°C)	0.2°F (0.1°C)	64th Warmest	Warmest since: 1990	1934
	Ties: 1896, 1901, 1926, 1927, 1961, 1966, 1971, 2019
Nov 1990–Jul 1991 9-Month	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1988	1917
	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1990	1934
	Ties: 1974, 1985, 2010
Oct 1990–Jul 1991 10-Month	41.7°F (5.4°C)	41.2°F (5.1°C)	0.5°F (0.3°C)	72nd Coolest	Coolest since: 1988	1917
	41.7°F (5.4°C)	41.2°F (5.1°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1990	1934
	Ties: 1901, 1918, 1927
Sep 1990–Jul 1991 11-Month	43.5°F (6.4°C)	42.7°F (5.9°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 1988	1917
	43.5°F (6.4°C)	42.7°F (5.9°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1990	1934
	Ties: 1936, 1967, 2007
Aug 1990–Jul 1991 12-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1988	1917
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 1990	1934
	Ties: 1902, 1994, 1995, 2007
Feb 1990–Jul 1991 18-Month	46.4°F (8.0°C)	45.5°F (7.5°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1988	1913
	46.4°F (8.0°C)	45.5°F (7.5°C)	0.9°F (0.5°C)	38th Warmest	Warmest since: 1990	2018
	Ties: 1955, 1997, 2014
Aug 1989–Jul 1991 24-Month	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 1989	1913
	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	35th Warmest	Warmest since: 1990	2018
	Ties: 1911, 1978, 2010
Aug 1988–Jul 1991 36-Month	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	95th Coolest	Coolest since: 1990	1914
	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	31st Warmest	Warmest since: 1983	2018
	Ties: 1955, 1983, 1992
Aug 1987–Jul 1991 48-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	94th Coolest	Coolest since: 1990	1915
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	31st Warmest	Warmest since: 1990	2018
	Ties: 1941, 1957, 1989, 1990, 1996, 2010
Aug 1986–Jul 1991 60-Month	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	92nd Coolest	Coolest since: 1989	1917
	45.3°F (7.4°C)	44.6°F (7.0°C)	0.7°F (0.4°C)	32nd Warmest	Warmest since: 1990	2018
	Ties: 1935

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings