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, May 2015

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 2015 1-Month	49.8°F (9.9°C)	51.8°F (11.0°C)	-2.0°F (-1.1°C)	26th Coolest	Coolest since: 2011	1917
	49.8°F (9.9°C)	51.8°F (11.0°C)	-2.0°F (-1.1°C)	103rd Warmest	Warmest since: 2014	1934
	Ties: 1931
Apr–May 2015 2-Month	47.3°F (8.5°C)	47.2°F (8.4°C)	0.1°F (0.1°C)	53rd Coolest	Coolest since: 2013	1917
	47.3°F (8.5°C)	47.2°F (8.4°C)	0.1°F (0.1°C)	76th Warmest	Warmest since: 2014	1934
	Ties: 1899, 1955, 2016
Mar–May 2015 3-Month	45.1°F (7.3°C)	42.7°F (5.9°C)	2.4°F (1.4°C)	110th Coolest	Coolest since: 2014	1917
	45.1°F (7.3°C)	42.7°F (5.9°C)	2.4°F (1.4°C)	19th Warmest	Warmest since: 2012	2012
	Ties: 1946
Feb–May 2015 4-Month	41.8°F (5.4°C)	38.9°F (3.8°C)	2.9°F (1.6°C)	119th Coolest	Coolest since: 2014	1917
	41.8°F (5.4°C)	38.9°F (3.8°C)	2.9°F (1.6°C)	10th Warmest	Warmest since: 2012	1934
	Ties: 1972, 2004
Jan–May 2015 5-Month	39.3°F (4.1°C)	35.8°F (2.1°C)	3.5°F (2.0°C)	120th Coolest	Coolest since: 2014	1917
Jan–May 2015 5-Month	39.3°F (4.1°C)	35.8°F (2.1°C)	3.5°F (2.0°C)	9th Warmest	Warmest since: 2012	1934
Dec 2014–May 2015 6-Month	37.4°F (3.0°C)	34.1°F (1.2°C)	3.3°F (1.8°C)	122nd Coolest	Coolest since: 2014	1917
	37.4°F (3.0°C)	34.1°F (1.2°C)	3.3°F (1.8°C)	6th Warmest	Warmest since: 2012	1934
	Ties: 1986, 2017
Nov 2014–May 2015 7-Month	36.8°F (2.7°C)	34.0°F (1.1°C)	2.8°F (1.6°C)	120th Coolest	Coolest since: 2014	1917
	36.8°F (2.7°C)	34.0°F (1.1°C)	2.8°F (1.6°C)	8th Warmest	Warmest since: 2012	1934
	Ties: 1954, 2009
Oct 2014–May 2015 8-Month	38.5°F (3.6°C)	35.6°F (2.0°C)	2.9°F (1.6°C)	121st Coolest	Coolest since: 2014	1917
Oct 2014–May 2015 8-Month	38.5°F (3.6°C)	35.6°F (2.0°C)	2.9°F (1.6°C)	7th Warmest	Warmest since: 2012	1934
Sep 2014–May 2015 9-Month	40.9°F (4.9°C)	38.0°F (3.3°C)	2.9°F (1.6°C)	122nd Coolest	Coolest since: 2014	1917
Sep 2014–May 2015 9-Month	40.9°F (4.9°C)	38.0°F (3.3°C)	2.9°F (1.6°C)	6th Warmest	Warmest since: 2000	1934
Aug 2014–May 2015 10-Month	43.2°F (6.2°C)	40.7°F (4.8°C)	2.5°F (1.4°C)	118th Coolest	Coolest since: 2014	1917
	43.2°F (6.2°C)	40.7°F (4.8°C)	2.5°F (1.4°C)	10th Warmest	Warmest since: 2012	1934
	Ties: 2004, 2016
Jul 2014–May 2015 11-Month	45.5°F (7.5°C)	43.1°F (6.2°C)	2.4°F (1.3°C)	117th Coolest	Coolest since: 2014	1917
Jul 2014–May 2015 11-Month	45.5°F (7.5°C)	43.1°F (6.2°C)	2.4°F (1.3°C)	11th Warmest	Warmest since: 2012	1934
Jun 2014–May 2015 12-Month	46.9°F (8.3°C)	44.6°F (7.0°C)	2.3°F (1.3°C)	118th Coolest	Coolest since: 2014	1917
	46.9°F (8.3°C)	44.6°F (7.0°C)	2.3°F (1.3°C)	10th Warmest	Warmest since: 2012	1934
	Ties: 2016
Dec 2013–May 2015 18-Month	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 2014	1913
	42.9°F (6.1°C)	41.1°F (5.1°C)	1.8°F (1.0°C)	16th Warmest	Warmest since: 2013	2018
	Ties: 1999, 2003, 2005
Jun 2013–May 2015 24-Month	46.4°F (8.0°C)	44.6°F (7.0°C)	1.8°F (1.0°C)	112th Coolest	Coolest since: 2014	1913
	46.4°F (8.0°C)	44.6°F (7.0°C)	1.8°F (1.0°C)	15th Warmest	Warmest since: 2013	2018
	Ties: 2005, 2006
Jun 2012–May 2015 36-Month	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	109th Coolest	Coolest since: 2012	1914
Jun 2012–May 2015 36-Month	46.3°F (7.9°C)	44.6°F (7.0°C)	1.7°F (0.9°C)	17th Warmest	Warmest since: 2014	2018
Jun 2011–May 2015 48-Month	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F (1.1°C)	118th Coolest	Coolest since: 2014	1915
	46.6°F (8.1°C)	44.6°F (7.0°C)	2.0°F (1.1°C)	7th Warmest	Warmest since: 2006	2018
	Ties: 2004, 2006, 2021
Jun 2010–May 2015 60-Month	46.5°F (8.1°C)	44.5°F (6.9°C)	2.0°F (1.2°C)	113th Coolest	Coolest since: 2014	1917
Jun 2010–May 2015 60-Month	46.5°F (8.1°C)	44.5°F (6.9°C)	2.0°F (1.2°C)	11th Warmest	Warmest since: 2006	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings