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, October 1990

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
October 1990 1-Month	46.7°F (8.2°C)	46.5°F (8.1°C)	0.2°F (0.1°C)	62nd Coolest	Coolest since: 1989	1969
	46.7°F (8.2°C)	46.5°F (8.1°C)	0.2°F (0.1°C)	67th Warmest	Warmest since: 1988	1963
	Ties: 2017
Sep–Oct 1990 2-Month	54.0°F (12.2°C)	52.0°F (11.1°C)	2.0°F (1.1°C)	109th Coolest	Coolest since: 1989	1912
	54.0°F (12.2°C)	52.0°F (11.1°C)	2.0°F (1.1°C)	20th Warmest	Warmest since: 1983	2015
	Ties: 2007
Aug–Oct 1990 3-Month	57.6°F (14.2°C)	56.4°F (13.6°C)	1.2°F (0.6°C)	98th Coolest	Coolest since: 1989	1912
	57.6°F (14.2°C)	56.4°F (13.6°C)	1.2°F (0.6°C)	31st Warmest	Warmest since: 1988	2015
	Ties: 1952, 1979, 1988, 1994
Jul–Oct 1990 4-Month	59.7°F (15.4°C)	59.0°F (15.0°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1989	1912
	59.7°F (15.4°C)	59.0°F (15.0°C)	0.7°F (0.4°C)	47th Warmest	Warmest since: 1988	1963
	Ties: 1921, 1948, 1958, 1960, 1964
Jun–Oct 1990 5-Month	60.8°F (16.0°C)	59.5°F (15.3°C)	1.3°F (0.7°C)	99th Coolest	Coolest since: 1989	1912
	60.8°F (16.0°C)	59.5°F (15.3°C)	1.3°F (0.7°C)	30th Warmest	Warmest since: 1988	2021
	Ties: 1937, 1998
May–Oct 1990 6-Month	59.1°F (15.1°C)	58.2°F (14.6°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1989	1912
	59.1°F (15.1°C)	58.2°F (14.6°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1988	2012
	Ties: 1922, 1996, 2006
Apr–Oct 1990 7-Month	57.1°F (13.9°C)	56.0°F (13.3°C)	1.1°F (0.6°C)	98th Coolest	Coolest since: 1989	1912
	57.1°F (13.9°C)	56.0°F (13.3°C)	1.1°F (0.6°C)	31st Warmest	Warmest since: 1988	2012
	Ties: 1937, 1998, 2011
Mar–Oct 1990 8-Month	54.5°F (12.5°C)	53.1°F (11.7°C)	1.4°F (0.8°C)	101st Coolest	Coolest since: 1988	1912
	54.5°F (12.5°C)	53.1°F (11.7°C)	1.4°F (0.8°C)	28th Warmest	Warmest since: 1989	2012
	Ties: 1992, 2005
Feb–Oct 1990 9-Month	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	102nd Coolest	Coolest since: 1989	1912
	51.5°F (10.8°C)	50.3°F (10.2°C)	1.2°F (0.6°C)	27th Warmest	Warmest since: 1986	2012
	Ties: 1986, 1996
Jan–Oct 1990 10-Month	49.0°F (9.4°C)	47.6°F (8.7°C)	1.4°F (0.7°C)	103rd Coolest	Coolest since: 1989	1912
	49.0°F (9.4°C)	47.6°F (8.7°C)	1.4°F (0.7°C)	26th Warmest	Warmest since: 1986	2012
	Ties: 1977
Dec 1989–Oct 1990 11-Month	46.7°F (8.2°C)	45.6°F (7.6°C)	1.1°F (0.6°C)	94th Coolest	Coolest since: 1989	1912
	46.7°F (8.2°C)	45.6°F (7.6°C)	1.1°F (0.6°C)	34th Warmest	Warmest since: 1986	1934
	Ties: 1972
Nov 1989–Oct 1990 12-Month	45.9°F (7.7°C)	44.6°F (7.0°C)	1.3°F (0.7°C)	104th Coolest	Coolest since: 1989	1912
	45.9°F (7.7°C)	44.6°F (7.0°C)	1.3°F (0.7°C)	24th Warmest	Warmest since: 1981	1934, 2000
	Ties: 2001, 2011, 2014
May 1989–Oct 1990 18-Month	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	97th Coolest	Coolest since: 1989	1917
	50.1°F (10.1°C)	49.1°F (9.5°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 1989	1934
	Ties: 1911, 1989, 1992
Nov 1988–Oct 1990 24-Month	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1989	1913
	45.6°F (7.6°C)	44.6°F (7.0°C)	1.0°F (0.6°C)	31st Warmest	Warmest since: 1987	2018
	Ties: 1987, 1995, 2010
Nov 1987–Oct 1990 36-Month	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	91st Coolest	Coolest since: 1989	1914
	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	35th Warmest	Warmest since: 1988	2018
	Ties: 1934, 1940, 1978, 1988, 1991
Nov 1986–Oct 1990 48-Month	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	95th Coolest	Coolest since: 1989	1915
	45.4°F (7.4°C)	44.6°F (7.0°C)	0.8°F (0.4°C)	30th Warmest	Warmest since: 1989	2018
	Ties: 1935, 1989, 2011
Nov 1985–Oct 1990 60-Month	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1989	1916
	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1938	2018
	Ties: 1937

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings