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, December 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1909 1-Month	14.9°F (-9.5°C)	25.2°F (-3.8°C)	-10.3°F (-5.7°C)	1st Coolest	Coolest since: 1909	1909
December 1909 1-Month	14.9°F (-9.5°C)	25.2°F (-3.8°C)	-10.3°F (-5.7°C)	128th Warmest	Warmest since: 1908	1980
Nov–Dec 1909 2-Month	25.0°F (-3.9°C)	29.4°F (-1.4°C)	-4.4°F (-2.5°C)	4th Coolest	Coolest since: 1898	1972
	25.0°F (-3.9°C)	29.4°F (-1.4°C)	-4.4°F (-2.5°C)	125th Warmest	Warmest since: 1908	2021
	Ties: 1895
Oct–Dec 1909 3-Month	32.3°F (0.2°C)	35.1°F (1.7°C)	-2.8°F (-1.5°C)	8th Coolest	Coolest since: 1908	1898
Oct–Dec 1909 3-Month	32.3°F (0.2°C)	35.1°F (1.7°C)	-2.8°F (-1.5°C)	121st Warmest	Warmest since: 1907	2021
Sep–Dec 1909 4-Month	38.2°F (3.4°C)	40.6°F (4.8°C)	-2.4°F (-1.4°C)	8th Coolest	Coolest since: 1898	1898
Sep–Dec 1909 4-Month	38.2°F (3.4°C)	40.6°F (4.8°C)	-2.4°F (-1.4°C)	121st Warmest	Warmest since: 1908	2021
Aug–Dec 1909 5-Month	43.9°F (6.6°C)	45.6°F (7.6°C)	-1.7°F (-1.0°C)	12th Coolest	Coolest since: 1908	1898
	43.9°F (6.6°C)	45.6°F (7.6°C)	-1.7°F (-1.0°C)	117th Warmest	Warmest since: 1907	2021
	Ties: 1913, 1918
Jul–Dec 1909 6-Month	47.8°F (8.8°C)	49.1°F (9.5°C)	-1.3°F (-0.7°C)	18th Coolest	Coolest since: 1908	1912
	47.8°F (8.8°C)	49.1°F (9.5°C)	-1.3°F (-0.7°C)	111th Warmest	Warmest since: 1907	2021
	Ties: 1928, 1929
Jun–Dec 1909 7-Month	49.7°F (9.8°C)	50.9°F (10.5°C)	-1.2°F (-0.7°C)	17th Coolest	Coolest since: 1908	1912
	49.7°F (9.8°C)	50.9°F (10.5°C)	-1.2°F (-0.7°C)	112th Warmest	Warmest since: 1907	2021
	Ties: 1924, 1927, 1929, 1930, 2009
May–Dec 1909 8-Month	49.5°F (9.7°C)	51.0°F (10.6°C)	-1.5°F (-0.9°C)	8th Coolest	Coolest since: 1908	1912
	49.5°F (9.7°C)	51.0°F (10.6°C)	-1.5°F (-0.9°C)	121st Warmest	Warmest since: 1907	2021
	Ties: 1911, 1923
Apr–Dec 1909 9-Month	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	4th Coolest	Coolest since: 1908	1912
	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	125th Warmest	Warmest since: 1908	2021
	Ties: 1898, 1908
Mar–Dec 1909 10-Month	46.7°F (8.2°C)	48.4°F (9.1°C)	-1.7°F (-0.9°C)	6th Coolest	Coolest since: 1898	1912
Mar–Dec 1909 10-Month	46.7°F (8.2°C)	48.4°F (9.1°C)	-1.7°F (-0.9°C)	123rd Warmest	Warmest since: 1908	2012
Feb–Dec 1909 11-Month	44.7°F (7.1°C)	46.5°F (8.1°C)	-1.8°F (-1.0°C)	6th Coolest	Coolest since: 1903	1912
Feb–Dec 1909 11-Month	44.7°F (7.1°C)	46.5°F (8.1°C)	-1.8°F (-1.0°C)	123rd Warmest	Warmest since: 1908	2012, 2017
Jan–Dec 1909 12-Month	43.3°F (6.3°C)	44.6°F (7.0°C)	-1.3°F (-0.7°C)	13th Coolest	Coolest since: 1903	1912
	43.3°F (6.3°C)	44.6°F (7.0°C)	-1.3°F (-0.7°C)	116th Warmest	Warmest since: 1908	2012
	Ties: 1919
Jul 1908–Dec 1909 18-Month	44.6°F (7.0°C)	46.1°F (7.8°C)	-1.5°F (-0.8°C)	8th Coolest	Coolest since: 1899	1912
Jul 1908–Dec 1909 18-Month	44.6°F (7.0°C)	46.1°F (7.8°C)	-1.5°F (-0.8°C)	120th Warmest	Warmest since: 1908	1934
Jan 1908–Dec 1909 24-Month	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	12th Coolest	Coolest since: 1899	1913
	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	116th Warmest	Warmest since: 1908	2017
	Ties: 1919
Jan 1907–Dec 1909 36-Month	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	20th Coolest	Coolest since: 1905	1913, 1914
	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	107th Warmest	Warmest since: 1908	2017
	Ties: 1926, 1973
Jan 1906–Dec 1909 48-Month	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	21st Coolest	Coolest since: 1908	1915
	44.0°F (6.7°C)	44.6°F (7.0°C)	-0.6°F (-0.3°C)	105th Warmest	Warmest since: 1908	2018
	Ties: 1908, 1924, 1975, 1976
Jan 1905–Dec 1909 60-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	13th Coolest	Coolest since: 1906	1916
	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F (-0.4°C)	112th Warmest	Warmest since: 1908	2018
	Ties: 1906, 1914, 1926, 1927, 1930, 1931

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings