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 1921

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1921 1-Month	52.0°F (11.1°C)	51.8°F (11.0°C)	0.2°F (0.1°C)	59th Coolest	Coolest since: 1920	1917
May 1921 1-Month	52.0°F (11.1°C)	51.8°F (11.0°C)	0.2°F (0.1°C)	70th Warmest	Warmest since: 1919	1934
Apr–May 1921 2-Month	46.0°F (7.8°C)	47.2°F (8.4°C)	-1.2°F (-0.6°C)	28th Coolest	Coolest since: 1920	1917
	46.0°F (7.8°C)	47.2°F (8.4°C)	-1.2°F (-0.6°C)	101st Warmest	Warmest since: 1919	1934
	Ties: 1982, 1984, 2008
Mar–May 1921 3-Month	43.3°F (6.3°C)	42.7°F (5.9°C)	0.6°F (0.4°C)	77th Coolest	Coolest since: 1920	1917
	43.3°F (6.3°C)	42.7°F (5.9°C)	0.6°F (0.4°C)	52nd Warmest	Warmest since: 1916	2012
	Ties: 1999, 2011
Feb–May 1921 4-Month	39.9°F (4.4°C)	38.9°F (3.8°C)	1.0°F (0.6°C)	86th Coolest	Coolest since: 1920	1917
	39.9°F (4.4°C)	38.9°F (3.8°C)	1.0°F (0.6°C)	43rd Warmest	Warmest since: 1911	1934
	Ties: 1911, 2014
Jan–May 1921 5-Month	37.3°F (2.9°C)	35.8°F (2.1°C)	1.5°F (0.8°C)	99th Coolest	Coolest since: 1920	1917
	37.3°F (2.9°C)	35.8°F (2.1°C)	1.5°F (0.8°C)	30th Warmest	Warmest since: 1911	1934
	Ties: 1927, 1990
Dec 1920–May 1921 6-Month	35.0°F (1.7°C)	34.1°F (1.2°C)	0.9°F (0.5°C)	86th Coolest	Coolest since: 1920	1917
	35.0°F (1.7°C)	34.1°F (1.2°C)	0.9°F (0.5°C)	42nd Warmest	Warmest since: 1911	1934
	Ties: 1938, 1977, 1990, 2014, 2021
Nov 1920–May 1921 7-Month	34.5°F (1.4°C)	34.0°F (1.1°C)	0.5°F (0.3°C)	71st Coolest	Coolest since: 1920	1917
	34.5°F (1.4°C)	34.0°F (1.1°C)	0.5°F (0.3°C)	57th Warmest	Warmest since: 1918	1934
	Ties: 1985, 1991, 2001, 2013
Oct 1920–May 1921 8-Month	35.9°F (2.2°C)	35.6°F (2.0°C)	0.3°F (0.2°C)	65th Coolest	Coolest since: 1920	1917
	35.9°F (2.2°C)	35.6°F (2.0°C)	0.3°F (0.2°C)	63rd Warmest	Warmest since: 1916	1934
	Ties: 1908, 1961
Sep 1920–May 1921 9-Month	38.1°F (3.4°C)	38.0°F (3.3°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1920	1917
	38.1°F (3.4°C)	38.0°F (3.3°C)	0.1°F (0.1°C)	70th Warmest	Warmest since: 1918	1934
	Ties: 1918, 1966, 1974, 1977, 2008
Aug 1920–May 1921 10-Month	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	45th Coolest	Coolest since: 1920	1917
	40.5°F (4.7°C)	40.7°F (4.8°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1918	1934
	Ties: 1910, 1916, 1939, 1947, 1970
Jul 1920–May 1921 11-Month	42.8°F (6.0°C)	43.1°F (6.2°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1920	1917
	42.8°F (6.0°C)	43.1°F (6.2°C)	-0.3°F (-0.2°C)	87th Warmest	Warmest since: 1918	1934
	Ties: 1928, 1939, 1965, 1969, 1971, 1983
Jun 1920–May 1921 12-Month	44.3°F (6.8°C)	44.6°F (7.0°C)	-0.3°F (-0.2°C)	42nd Coolest	Coolest since: 1920	1917
	44.3°F (6.8°C)	44.6°F (7.0°C)	-0.3°F (-0.2°C)	86th Warmest	Warmest since: 1918	1934
	Ties: 1926, 1928, 1966
Dec 1919–May 1921 18-Month	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1920	1913
	40.4°F (4.7°C)	41.1°F (5.1°C)	-0.7°F (-0.4°C)	99th Warmest	Warmest since: 1911	2018
	Ties: 1910, 1962
Jun 1919–May 1921 24-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	24th Coolest	Coolest since: 1920	1913
	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	103rd Warmest	Warmest since: 1919	2018
	Ties: 1897, 1919, 1984
Jun 1918–May 1921 36-Month	43.7°F (6.5°C)	44.6°F (7.0°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1919	1914
	43.7°F (6.5°C)	44.6°F (7.0°C)	-0.9°F (-0.5°C)	114th Warmest	Warmest since: 1920	2018
	Ties: 1926
Jun 1917–May 1921 48-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	17th Coolest	Coolest since: 1920	1915
	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1912	2018
	Ties: 1901, 1922, 1975
Jun 1916–May 1921 60-Month	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	4th Coolest	Coolest since: 1920	1917
	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	120th Warmest	Warmest since: 1919	2018
	Ties: 1919

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings