Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Upper Colorado River Basin

Average Temperature Rankings, December 1906

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1906 1-Month	28.0°F (-2.2°C)	23.0°F (-5.0°C)	5.0°F (2.8°C)	115th Coolest	Coolest since: 1905	1909
December 1906 1-Month	28.0°F (-2.2°C)	23.0°F (-5.0°C)	5.0°F (2.8°C)	14th Warmest	Warmest to Date	1980
Nov–Dec 1906 2-Month	29.7°F (-1.3°C)	27.5°F (-2.5°C)	2.2°F (1.2°C)	102nd Coolest	Coolest since: 1905	1895
	29.7°F (-1.3°C)	27.5°F (-2.5°C)	2.2°F (1.2°C)	27th Warmest	Warmest to Date	2017
	Ties: 1946, 1989, 2019
Oct–Dec 1906 3-Month	34.3°F (1.3°C)	33.5°F (0.8°C)	0.8°F (0.5°C)	80th Coolest	Coolest since: 1905	1898
	34.3°F (1.3°C)	33.5°F (0.8°C)	0.8°F (0.5°C)	49th Warmest	Warmest since: 1901	1950, 2017
	Ties: 1900, 2006
Sep–Dec 1906 4-Month	39.5°F (4.2°C)	39.2°F (4.0°C)	0.3°F (0.2°C)	70th Coolest	Coolest since: 1905	1898, 1912
	39.5°F (4.2°C)	39.2°F (4.0°C)	0.3°F (0.2°C)	59th Warmest	Warmest since: 1901	2021
	Ties: 1974, 1976, 1994, 1996, 2002
Aug–Dec 1906 5-Month	44.2°F (6.8°C)	44.3°F (6.8°C)	-0.1°F (0.0°C)	49th Coolest	Coolest since: 1905	1912
	44.2°F (6.8°C)	44.3°F (6.8°C)	-0.1°F (0.0°C)	80th Warmest	Warmest since: 1904	2021
	Ties: 1907, 1938, 1941, 1974
Jul–Dec 1906 6-Month	47.6°F (8.7°C)	48.1°F (8.9°C)	-0.5°F (-0.2°C)	40th Coolest	Coolest since: 1905	1912
	47.6°F (8.7°C)	48.1°F (8.9°C)	-0.5°F (-0.2°C)	89th Warmest	Warmest since: 1904	2021
	Ties: 1904, 1945, 1970, 1975, 1982, 1985
Jun–Dec 1906 7-Month	49.0°F (9.4°C)	49.9°F (9.9°C)	-0.9°F (-0.5°C)	32nd Coolest	Coolest since: 1905	1912
	49.0°F (9.4°C)	49.9°F (9.9°C)	-0.9°F (-0.5°C)	97th Warmest	Warmest since: 1904	2021
	Ties: 1927
May–Dec 1906 8-Month	49.2°F (9.6°C)	50.0°F (10.0°C)	-0.8°F (-0.4°C)	27th Coolest	Coolest since: 1905	1912
	49.2°F (9.6°C)	50.0°F (10.0°C)	-0.8°F (-0.4°C)	102nd Warmest	Warmest since: 1904	2021
	Ties: 1919, 1927, 1945, 1978
Apr–Dec 1906 9-Month	48.4°F (9.1°C)	49.1°F (9.5°C)	-0.7°F (-0.4°C)	34th Coolest	Coolest since: 1905	1912
	48.4°F (9.1°C)	49.1°F (9.5°C)	-0.7°F (-0.4°C)	95th Warmest	Warmest since: 1904	2021
	Ties: 1896
Mar–Dec 1906 10-Month	46.6°F (8.1°C)	47.5°F (8.6°C)	-0.9°F (-0.5°C)	29th Coolest	Coolest since: 1905	1912
	46.6°F (8.1°C)	47.5°F (8.6°C)	-0.9°F (-0.5°C)	100th Warmest	Warmest since: 1904	2012
	Ties: 1927
Feb–Dec 1906 11-Month	44.8°F (7.1°C)	45.5°F (7.5°C)	-0.7°F (-0.4°C)	36th Coolest	Coolest since: 1905	1912
	44.8°F (7.1°C)	45.5°F (7.5°C)	-0.7°F (-0.4°C)	93rd Warmest	Warmest since: 1904	2017
	Ties: 1902, 1922, 1928, 1930, 1982
Jan–Dec 1906 12-Month	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	35th Coolest	Coolest since: 1905	1895, 1912
	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	94th Warmest	Warmest since: 1904	2012
	Ties: 1896, 1937, 1942, 1971, 1982
Jul 1905–Dec 1906 18-Month	44.0°F (6.7°C)	45.0°F (7.2°C)	-1.0°F (-0.5°C)	19th Coolest	Coolest since: 1903	1912
	44.0°F (6.7°C)	45.0°F (7.2°C)	-1.0°F (-0.5°C)	109th Warmest	Warmest since: 1905	1934
	Ties: 1915, 1975, 1979
Jan 1905–Dec 1906 24-Month	42.6°F (5.9°C)	43.4°F (6.3°C)	-0.8°F (-0.4°C)	24th Coolest	Coolest since: 1904	1913
	42.6°F (5.9°C)	43.4°F (6.3°C)	-0.8°F (-0.4°C)	104th Warmest	Warmest since: 1905	2018
	Ties: 1908, 1925, 1932, 1949, 1975
Jan 1904–Dec 1906 36-Month	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1905	1899, 1913
	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1902	2017
	Ties: 1933
Jan 1903–Dec 1906 48-Month	42.3°F (5.7°C)	43.4°F (6.3°C)	-1.1°F (-0.6°C)	11th Coolest	Coolest since: 1900	1898
	42.3°F (5.7°C)	43.4°F (6.3°C)	-1.1°F (-0.6°C)	115th Warmest	Warmest since: 1905	2018
	Ties: 1900
Jan 1902–Dec 1906 60-Month	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	13th Coolest	Coolest since: 1900	1899
	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1905	2018
	Ties: 1909, 1914, 1924

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings