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 1917

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1917 1-Month	29.4°F (-1.4°C)	25.2°F (-3.8°C)	4.2°F (2.4°C)	114th Coolest	Coolest since: 1916	1909
	29.4°F (-1.4°C)	25.2°F (-3.8°C)	4.2°F (2.4°C)	15th Warmest	Warmest since: 1906	1980
	Ties: 1995
Nov–Dec 1917 2-Month	33.6°F (0.9°C)	29.3°F (-1.5°C)	4.3°F (2.4°C)	121st Coolest	Coolest since: 1916	1972
	33.6°F (0.9°C)	29.3°F (-1.5°C)	4.3°F (2.4°C)	8th Warmest	Warmest to Date	2021
	Ties: 1965
Oct–Dec 1917 3-Month	37.1°F (2.8°C)	35.1°F (1.7°C)	2.0°F (1.1°C)	102nd Coolest	Coolest since: 1916	1898
	37.1°F (2.8°C)	35.1°F (1.7°C)	2.0°F (1.1°C)	27th Warmest	Warmest since: 1910	2021
	Ties: 1949, 2008, 2014
Sep–Dec 1917 4-Month	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	101st Coolest	Coolest since: 1916	1898
Sep–Dec 1917 4-Month	42.2°F (5.7°C)	40.7°F (4.8°C)	1.5°F (0.9°C)	28th Warmest	Warmest since: 1910	2021
Aug–Dec 1917 5-Month	46.2°F (7.9°C)	45.5°F (7.5°C)	0.7°F (0.4°C)	83rd Coolest	Coolest since: 1916	1898
	46.2°F (7.9°C)	45.5°F (7.5°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 1910	2021
	Ties: 1943, 1947, 1965, 2013
Jul–Dec 1917 6-Month	49.8°F (9.9°C)	49.2°F (9.6°C)	0.6°F (0.3°C)	85th Coolest	Coolest since: 1916	1912
	49.8°F (9.9°C)	49.2°F (9.6°C)	0.6°F (0.3°C)	44th Warmest	Warmest since: 1910	2021
	Ties: 1922, 1936, 1942, 1943, 1966, 2000
Jun–Dec 1917 7-Month	51.1°F (10.6°C)	50.9°F (10.5°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1916	1912
	51.1°F (10.6°C)	50.9°F (10.5°C)	0.2°F (0.1°C)	60th Warmest	Warmest since: 1910	2021
	Ties: 1944, 1989
May–Dec 1917 8-Month	50.4°F (10.2°C)	51.0°F (10.6°C)	-0.6°F (-0.4°C)	38th Coolest	Coolest since: 1916	1912
	50.4°F (10.2°C)	51.0°F (10.6°C)	-0.6°F (-0.4°C)	91st Warmest	Warmest since: 1914	2021
	Ties: 1978, 1983
Apr–Dec 1917 9-Month	49.1°F (9.5°C)	50.1°F (10.1°C)	-1.0°F (-0.6°C)	25th Coolest	Coolest since: 1916	1912
	49.1°F (9.5°C)	50.1°F (10.1°C)	-1.0°F (-0.6°C)	104th Warmest	Warmest since: 1914	2021
	Ties: 1903, 1975
Mar–Dec 1917 10-Month	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	8th Coolest	Coolest since: 1912	1912
Mar–Dec 1917 10-Month	46.9°F (8.3°C)	48.4°F (9.1°C)	-1.5°F (-0.8°C)	121st Warmest	Warmest since: 1916	2012
Feb–Dec 1917 11-Month	45.0°F (7.2°C)	46.5°F (8.1°C)	-1.5°F (-0.9°C)	11th Coolest	Coolest since: 1913	1912
Feb–Dec 1917 11-Month	45.0°F (7.2°C)	46.5°F (8.1°C)	-1.5°F (-0.9°C)	118th Warmest	Warmest since: 1916	2012, 2017
Jan–Dec 1917 12-Month	42.9°F (6.1°C)	44.6°F (7.0°C)	-1.7°F (-0.9°C)	8th Coolest	Coolest since: 1913	1912
Jan–Dec 1917 12-Month	42.9°F (6.1°C)	44.6°F (7.0°C)	-1.7°F (-0.9°C)	121st Warmest	Warmest since: 1916	2012
Jul 1916–Dec 1917 18-Month	44.3°F (6.8°C)	46.2°F (7.9°C)	-1.9°F (-1.1°C)	3rd Coolest	Coolest since: 1913	1912
	44.3°F (6.8°C)	46.2°F (7.9°C)	-1.9°F (-1.1°C)	125th Warmest	Warmest since: 1916	1934
	Ties: 1899, 1924, 1929
Jan 1916–Dec 1917 24-Month	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	6th Coolest	Coolest since: 1913	1913
	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	122nd Warmest	Warmest since: 1916	2017
	Ties: 1920, 1929
Jan 1915–Dec 1917 36-Month	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	3rd Coolest	Coolest since: 1914	1913, 1914
Jan 1915–Dec 1917 36-Month	43.2°F (6.2°C)	44.6°F (7.0°C)	-1.4°F (-0.8°C)	124th Warmest	Warmest since: 1916	2017
Jan 1914–Dec 1917 48-Month	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	6th Coolest	Coolest since: 1916	1915
	43.5°F (6.4°C)	44.6°F (7.0°C)	-1.1°F (-0.6°C)	120th Warmest	Warmest since: 1916	2018
	Ties: 1898, 1916
Jan 1913–Dec 1917 60-Month	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	5th Coolest	Coolest since: 1916	1916
	43.4°F (6.3°C)	44.6°F (7.0°C)	-1.2°F (-0.7°C)	120th Warmest	Warmest since: 1914	2018
	Ties: 1899

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings