Regional Rankings

Regional Data Info
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 2022

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2022
1-Month		23.4°F
(-4.8°C)		23.0°F
(-5.0°C)		0.4°F
(0.2°C)		60th Coolest
Coolest since:
1909
69th Warmest
Warmest since:
1980
Ties: 2020
Nov–Dec 2022
2-Month		26.3°F
(-3.2°C)		27.5°F
(-2.5°C)		-1.2°F
(-0.7°C)		40th Coolest
Coolest since:
1895
89th Warmest
Warmest since:
2017
Ties: 1896, 1991
Oct–Dec 2022
3-Month		33.1°F
(0.6°C)		33.5°F
(0.8°C)		-0.4°F
(-0.2°C)		52nd Coolest
Coolest since:
1898
77th Warmest
Warmest since:
1950, 2017
Ties: 1903, 1935, 1967, 1994
Sep–Dec 2022
4-Month		40.4°F
(4.7°C)		39.2°F
(4.0°C)		1.2°F
(0.7°C)		92nd Coolest
Coolest since:
1898, 1912
37th Warmest
Warmest since:
2021
Ties: 1955, 1965, 1988
Aug–Dec 2022
5-Month		46.0°F
(7.8°C)		44.3°F
(6.8°C)		1.7°F
(1.0°C)		101st Coolest
Coolest since:
1912
28th Warmest
Warmest since:
2021
Ties: 1910
Jul–Dec 2022
6-Month		50.1°F
(10.1°C)		48.1°F
(8.9°C)		2.0°F
(1.2°C)		110th Coolest
Coolest since:
1912
19th Warmest
Warmest since:
2021
Ties: 1958
Jun–Dec 2022
7-Month		52.0°F
(11.1°C)		49.9°F
(9.9°C)		2.1°F
(1.2°C)		115th Coolest
Coolest since:
1912
14th Warmest
Warmest since:
2021
Ties: 1981, 2015
May–Dec 2022
8-Month		51.9°F
(11.1°C)		50.0°F
(10.0°C)		1.9°F
(1.1°C)		112th Coolest
Coolest since:
1912
17th Warmest
Warmest since:
2021
Apr–Dec 2022
9-Month		50.9°F
(10.5°C)		49.1°F
(9.5°C)		1.8°F
(1.0°C)		111th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2021
Ties: 1963, 1988, 1989, 2015
Mar–Dec 2022
10-Month		49.3°F
(9.6°C)		47.5°F
(8.6°C)		1.8°F
(1.0°C)		111th Coolest
Coolest since:
1912
18th Warmest
Warmest since:
2012
Ties: 1977, 2002, 2004
Feb–Dec 2022
11-Month		47.1°F
(8.4°C)		45.5°F
(7.5°C)		1.6°F
(0.9°C)		108th Coolest
Coolest since:
1912
21st Warmest
Warmest since:
2017
Ties: 1910, 1958, 1989
Jan–Dec 2022
12-Month		45.2°F
(7.3°C)		43.4°F
(6.3°C)		1.8°F
(1.0°C)		107th Coolest
Coolest since:
1895, 1912
22nd Warmest
Warmest since:
2012
Ties: 1986, 1995
Jul 2021–Dec 2022
18-Month		47.5°F
(8.6°C)		45.0°F
(7.2°C)		2.5°F
(1.4°C)		120th Coolest
Coolest since:
1912
8th Warmest
Warmest since:
1934
Jan 2021–Dec 2022
24-Month		46.0°F
(7.8°C)		43.4°F
(6.3°C)		2.6°F
(1.5°C)		121st Coolest
Coolest since:
1913
7th Warmest
Warmest since:
2018
Jan 2020–Dec 2022
36-Month		46.0°F
(7.8°C)		43.4°F
(6.3°C)		2.6°F
(1.5°C)		123rd Coolest
Coolest since:
1899, 1913
4th Warmest
Warmest since:
2017
Jan 2019–Dec 2022
48-Month		45.5°F
(7.5°C)		43.4°F
(6.3°C)		2.1°F
(1.2°C)		115th Coolest
Coolest since:
1898
11th Warmest
Warmest since:
2018
Ties: 2004, 2006
Jan 2018–Dec 2022
60-Month		45.7°F
(7.6°C)		43.4°F
(6.3°C)		2.3°F
(1.3°C)		117th Coolest
Coolest since:
1899
8th Warmest
Warmest since:
2018
Ties: 2004

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