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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
December 1915 1-Month	25.9°F (-3.4°C)	25.2°F (-3.8°C)	0.7°F (0.4°C)	66th Coolest	Coolest since: 1914	1909
	25.9°F (-3.4°C)	25.2°F (-3.8°C)	0.7°F (0.4°C)	62nd Warmest	Warmest since: 1910	1980
	Ties: 1991, 2012
Nov–Dec 1915 2-Month	30.2°F (-1.0°C)	29.3°F (-1.5°C)	0.9°F (0.5°C)	78th Coolest	Coolest since: 1914	1972
	30.2°F (-1.0°C)	29.3°F (-1.5°C)	0.9°F (0.5°C)	50th Warmest	Warmest since: 1910	2021
	Ties: 1936, 1955, 1963, 1986, 1989, 2007, 2015
Oct–Dec 1915 3-Month	35.8°F (2.1°C)	35.1°F (1.7°C)	0.7°F (0.4°C)	79th Coolest	Coolest since: 1914	1898
	35.8°F (2.1°C)	35.1°F (1.7°C)	0.7°F (0.4°C)	49th Warmest	Warmest since: 1910	2021
	Ties: 1903
Sep–Dec 1915 4-Month	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1914	1898
	40.9°F (4.9°C)	40.7°F (4.8°C)	0.2°F (0.1°C)	58th Warmest	Warmest since: 1910	2021
	Ties: 1907, 1943, 1996
Aug–Dec 1915 5-Month	45.0°F (7.2°C)	45.5°F (7.5°C)	-0.5°F (-0.3°C)	35th Coolest	Coolest since: 1913	1898
	45.0°F (7.2°C)	45.5°F (7.5°C)	-0.5°F (-0.3°C)	93rd Warmest	Warmest since: 1914	2021
	Ties: 1896
Jul–Dec 1915 6-Month	48.1°F (8.9°C)	49.1°F (9.5°C)	-1.0°F (-0.6°C)	27th Coolest	Coolest since: 1913	1912
	48.1°F (8.9°C)	49.1°F (9.5°C)	-1.0°F (-0.6°C)	101st Warmest	Warmest since: 1914	2021
	Ties: 1932, 1971
Jun–Dec 1915 7-Month	49.5°F (9.7°C)	50.9°F (10.5°C)	-1.4°F (-0.8°C)	15th Coolest	Coolest since: 1913	1912
	49.5°F (9.7°C)	50.9°F (10.5°C)	-1.4°F (-0.8°C)	113th Warmest	Warmest since: 1914	2021
	Ties: 1993
May–Dec 1915 8-Month	49.3°F (9.6°C)	51.0°F (10.6°C)	-1.7°F (-1.0°C)	6th Coolest	Coolest since: 1912	1912
May–Dec 1915 8-Month	49.3°F (9.6°C)	51.0°F (10.6°C)	-1.7°F (-1.0°C)	122nd Warmest	Warmest since: 1914	2021
Apr–Dec 1915 9-Month	48.9°F (9.4°C)	50.0°F (10.0°C)	-1.1°F (-0.6°C)	18th Coolest	Coolest since: 1912	1912
	48.9°F (9.4°C)	50.0°F (10.0°C)	-1.1°F (-0.6°C)	110th Warmest	Warmest since: 1914	2021
	Ties: 1905
Mar–Dec 1915 10-Month	47.0°F (8.3°C)	48.4°F (9.1°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1912	1912
	47.0°F (8.3°C)	48.4°F (9.1°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1914	2012
	Ties: 1951
Feb–Dec 1915 11-Month	45.2°F (7.3°C)	46.5°F (8.1°C)	-1.3°F (-0.8°C)	12th Coolest	Coolest since: 1913	1912
	45.2°F (7.3°C)	46.5°F (8.1°C)	-1.3°F (-0.8°C)	116th Warmest	Warmest since: 1914	2012, 2017
	Ties: 1899
Jan–Dec 1915 12-Month	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1913	1912
	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1914	2012
	Ties: 1899, 1920, 1923
Jul 1914–Dec 1915 18-Month	45.0°F (7.2°C)	46.1°F (7.8°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1913	1912
	45.0°F (7.2°C)	46.1°F (7.8°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1914	1934
	Ties: 1916, 1930
Jan 1914–Dec 1915 24-Month	43.8°F (6.6°C)	44.6°F (7.0°C)	-0.8°F (-0.4°C)	20th Coolest	Coolest since: 1914	1913
	43.8°F (6.6°C)	44.6°F (7.0°C)	-0.8°F (-0.4°C)	107th Warmest	Warmest since: 1911	2017
	Ties: 1904
Jan 1913–Dec 1915 36-Month	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	10th Coolest	Coolest since: 1914	1913, 1914
	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	116th Warmest	Warmest since: 1912	2017
	Ties: 1925
Jan 1912–Dec 1915 48-Month	43.0°F (6.1°C)	44.5°F (6.9°C)	-1.5°F (-0.8°C)	1st Coolest	Coolest since: 1915	1915
Jan 1912–Dec 1915 48-Month	43.0°F (6.1°C)	44.5°F (6.9°C)	-1.5°F (-0.8°C)	124th Warmest	Warmest since: 1914	2018
Jan 1911–Dec 1915 60-Month	43.3°F (6.3°C)	44.5°F (6.9°C)	-1.2°F (-0.6°C)	2nd Coolest	Coolest since: 1915	1916
	43.3°F (6.3°C)	44.5°F (6.9°C)	-1.2°F (-0.6°C)	122nd Warmest	Warmest since: 1914	2018
	Ties: 1919, 1920

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published December 2022, retrieved on December 9, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings