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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1909 1-Month	48.4°F (9.1°C)	51.8°F (11.0°C)	-3.4°F (-1.9°C)	8th Coolest	Coolest since: 1907	1917
May 1909 1-Month	48.4°F (9.1°C)	51.8°F (11.0°C)	-3.4°F (-1.9°C)	121st Warmest	Warmest since: 1908	1934
Apr–May 1909 2-Month	43.6°F (6.4°C)	47.1°F (8.4°C)	-3.5°F (-2.0°C)	4th Coolest	Coolest since: 1909	1917
	43.6°F (6.4°C)	47.1°F (8.4°C)	-3.5°F (-2.0°C)	125th Warmest	Warmest since: 1908	1934
	Ties: 1920
Mar–May 1909 3-Month	39.6°F (4.2°C)	42.7°F (5.9°C)	-3.1°F (-1.7°C)	4th Coolest	Coolest since: 1909	1917
Mar–May 1909 3-Month	39.6°F (4.2°C)	42.7°F (5.9°C)	-3.1°F (-1.7°C)	125th Warmest	Warmest since: 1908	2012
Feb–May 1909 4-Month	36.1°F (2.3°C)	38.9°F (3.8°C)	-2.8°F (-1.5°C)	8th Coolest	Coolest since: 1903	1917
Feb–May 1909 4-Month	36.1°F (2.3°C)	38.9°F (3.8°C)	-2.8°F (-1.5°C)	121st Warmest	Warmest since: 1908	1934
Jan–May 1909 5-Month	34.4°F (1.3°C)	35.9°F (2.2°C)	-1.5°F (-0.9°C)	26th Coolest	Coolest since: 1905	1917
	34.4°F (1.3°C)	35.9°F (2.2°C)	-1.5°F (-0.9°C)	103rd Warmest	Warmest since: 1908	1934
	Ties: 1905
Dec 1908–May 1909 6-Month	32.4°F (0.2°C)	34.1°F (1.2°C)	-1.7°F (-1.0°C)	18th Coolest	Coolest since: 1903	1917
Dec 1908–May 1909 6-Month	32.4°F (0.2°C)	34.1°F (1.2°C)	-1.7°F (-1.0°C)	110th Warmest	Warmest since: 1908	1934
Nov 1908–May 1909 7-Month	32.2°F (0.1°C)	34.0°F (1.1°C)	-1.8°F (-1.0°C)	15th Coolest	Coolest since: 1903	1917
Nov 1908–May 1909 7-Month	32.2°F (0.1°C)	34.0°F (1.1°C)	-1.8°F (-1.0°C)	113th Warmest	Warmest since: 1908	1934
Oct 1908–May 1909 8-Month	33.5°F (0.8°C)	35.5°F (1.9°C)	-2.0°F (-1.1°C)	10th Coolest	Coolest since: 1903	1917
	33.5°F (0.8°C)	35.5°F (1.9°C)	-2.0°F (-1.1°C)	118th Warmest	Warmest since: 1908	1934
	Ties: 1903, 1920
Sep 1908–May 1909 9-Month	36.3°F (2.4°C)	38.0°F (3.3°C)	-1.7°F (-0.9°C)	12th Coolest	Coolest since: 1903	1917
Sep 1908–May 1909 9-Month	36.3°F (2.4°C)	38.0°F (3.3°C)	-1.7°F (-0.9°C)	116th Warmest	Warmest since: 1908	1934
Aug 1908–May 1909 10-Month	39.0°F (3.9°C)	40.7°F (4.8°C)	-1.7°F (-0.9°C)	11th Coolest	Coolest since: 1903	1917
	39.0°F (3.9°C)	40.7°F (4.8°C)	-1.7°F (-0.9°C)	117th Warmest	Warmest since: 1908	1934
	Ties: 1979
Jul 1908–May 1909 11-Month	41.4°F (5.2°C)	43.1°F (6.2°C)	-1.7°F (-1.0°C)	10th Coolest	Coolest since: 1903	1917
Jul 1908–May 1909 11-Month	41.4°F (5.2°C)	43.1°F (6.2°C)	-1.7°F (-1.0°C)	118th Warmest	Warmest since: 1908	1934
Jun 1908–May 1909 12-Month	42.9°F (6.1°C)	44.6°F (7.0°C)	-1.7°F (-0.9°C)	8th Coolest	Coolest since: 1899	1917
Jun 1908–May 1909 12-Month	42.9°F (6.1°C)	44.6°F (7.0°C)	-1.7°F (-0.9°C)	120th Warmest	Warmest since: 1908	1934
Dec 1907–May 1909 18-Month	40.1°F (4.5°C)	41.1°F (5.1°C)	-1.0°F (-0.6°C)	17th Coolest	Coolest since: 1900	1913
	40.1°F (4.5°C)	41.1°F (5.1°C)	-1.0°F (-0.6°C)	110th Warmest	Warmest since: 1908	2018
	Ties: 1915, 1925, 1985
Jun 1907–May 1909 24-Month	43.6°F (6.4°C)	44.6°F (7.0°C)	-1.0°F (-0.6°C)	12th Coolest	Coolest since: 1900	1913
	43.6°F (6.4°C)	44.6°F (7.0°C)	-1.0°F (-0.6°C)	115th Warmest	Warmest since: 1908	2018
	Ties: 1924
Jun 1906–May 1909 36-Month	44.1°F (6.7°C)	44.6°F (7.0°C)	-0.5°F (-0.3°C)	25th Coolest	Coolest since: 1906	1914
	44.1°F (6.7°C)	44.6°F (7.0°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1908	2018
	Ties: 1906, 1922, 1932, 1949, 1970, 1974, 1985
Jun 1905–May 1909 48-Month	44.0°F (6.7°C)	44.5°F (6.9°C)	-0.5°F (-0.2°C)	21st Coolest	Coolest since: 1906	1915
	44.0°F (6.7°C)	44.5°F (6.9°C)	-0.5°F (-0.2°C)	104th Warmest	Warmest since: 1908	2018
	Ties: 1912, 1924, 1925, 1926, 1929, 1973
Jun 1904–May 1909 60-Month	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	17th Coolest	Coolest since: 1907	1917
	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	107th Warmest	Warmest since: 1908	2018
	Ties: 1907, 1922, 1975, 1977

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings