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, September 1946

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1946 1-Month	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	71st Coolest	Coolest since: 1945	1912
	58.0°F (14.4°C)	57.3°F (14.1°C)	0.7°F (0.3°C)	58th Warmest	Warmest since: 1940	2019
	Ties: 1966
Aug–Sep 1946 2-Month	61.7°F (16.5°C)	61.3°F (16.3°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1945	1912
	61.7°F (16.5°C)	61.3°F (16.3°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1944	2019
	Ties: 1911
Jul–Sep 1946 3-Month	63.8°F (17.7°C)	63.2°F (17.3°C)	0.6°F (0.4°C)	75th Coolest	Coolest since: 1945	1912
	63.8°F (17.7°C)	63.2°F (17.3°C)	0.6°F (0.4°C)	54th Warmest	Warmest since: 1943	2022
	Ties: 1932
Jun–Sep 1946 4-Month	63.6°F (17.6°C)	62.7°F (17.1°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1945	1912
	63.6°F (17.6°C)	62.7°F (17.1°C)	0.9°F (0.5°C)	43rd Warmest	Warmest since: 1940	2012, 2021
	Ties: 1910, 1935, 1997, 2006
May–Sep 1946 5-Month	60.7°F (15.9°C)	60.5°F (15.8°C)	0.2°F (0.1°C)	56th Coolest	Coolest since: 1945	1915
	60.7°F (15.9°C)	60.5°F (15.8°C)	0.2°F (0.1°C)	73rd Warmest	Warmest since: 1943	2018
	Ties: 1914, 1970, 1978, 1985, 1987, 2009
Apr–Sep 1946 6-Month	58.7°F (14.8°C)	57.5°F (14.2°C)	1.2°F (0.6°C)	95th Coolest	Coolest since: 1945	1912
	58.7°F (14.8°C)	57.5°F (14.2°C)	1.2°F (0.6°C)	34th Warmest	Warmest since: 1943	2012
	Ties: 1931, 1937, 1948, 1952, 1988
Mar–Sep 1946 7-Month	55.7°F (13.2°C)	54.1°F (12.3°C)	1.6°F (0.9°C)	104th Coolest	Coolest since: 1945	1912
	55.7°F (13.2°C)	54.1°F (12.3°C)	1.6°F (0.9°C)	25th Warmest	Warmest since: 1940	2012
	Ties: 1977
Feb–Sep 1946 8-Month	52.3°F (11.3°C)	50.8°F (10.4°C)	1.5°F (0.9°C)	105th Coolest	Coolest since: 1945	1912
	52.3°F (11.3°C)	50.8°F (10.4°C)	1.5°F (0.9°C)	24th Warmest	Warmest since: 1940	2012
	Ties: 1986
Jan–Sep 1946 9-Month	49.1°F (9.5°C)	47.8°F (8.8°C)	1.3°F (0.7°C)	102nd Coolest	Coolest since: 1945	1912
	49.1°F (9.5°C)	47.8°F (8.8°C)	1.3°F (0.7°C)	27th Warmest	Warmest since: 1943	2012
	Ties: 1972, 1977, 1996, 2014
Dec 1945–Sep 1946 10-Month	46.5°F (8.1°C)	45.5°F (7.5°C)	1.0°F (0.6°C)	89th Coolest	Coolest since: 1945	1912
	46.5°F (8.1°C)	45.5°F (7.5°C)	1.0°F (0.6°C)	39th Warmest	Warmest since: 1943	1934
	Ties: 1935, 2014
Nov 1945–Sep 1946 11-Month	45.4°F (7.4°C)	44.4°F (6.9°C)	1.0°F (0.5°C)	91st Coolest	Coolest since: 1945	1912
	45.4°F (7.4°C)	44.4°F (6.9°C)	1.0°F (0.5°C)	37th Warmest	Warmest since: 1943	2018
	Ties: 1907, 1972, 1978
Oct 1945–Sep 1946 12-Month	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	95th Coolest	Coolest since: 1945	1912
	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	33rd Warmest	Warmest since: 1943	1934, 2000
	Ties: 1978, 1989, 1992, 1998
Apr 1945–Sep 1946 18-Month	49.1°F (9.5°C)	48.9°F (9.4°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1945	1917
	49.1°F (9.5°C)	48.9°F (9.4°C)	0.2°F (0.1°C)	62nd Warmest	Warmest since: 1943	2018
	Ties: 1900, 1931, 2010
Oct 1944–Sep 1946 24-Month	45.0°F (7.2°C)	44.6°F (7.0°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1945	1913
	45.0°F (7.2°C)	44.6°F (7.0°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1941	2018
	Ties: 1901, 1939, 1963, 1988
Oct 1943–Sep 1946 36-Month	44.6°F (7.0°C)	44.6°F (7.0°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1944	1914
	44.6°F (7.0°C)	44.6°F (7.0°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1945	2018
	Ties: 1952, 1957, 1965, 1967, 1969, 1977, 1986
Oct 1942–Sep 1946 48-Month	45.0°F (7.2°C)	44.6°F (7.0°C)	0.4°F (0.2°C)	75th Coolest	Coolest since: 1945	1915
	45.0°F (7.2°C)	44.6°F (7.0°C)	0.4°F (0.2°C)	50th Warmest	Warmest since: 1943	2018
	Ties: 1940, 1982
Oct 1941–Sep 1946 60-Month	44.7°F (7.1°C)	44.6°F (7.0°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1945	1916
	44.7°F (7.1°C)	44.6°F (7.0°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1944	2018
	Ties: 1987, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings