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.

Pacific Northwest Basin

Average Temperature Rankings, December 2022

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2022
1-Month 		25.9°F
(-3.4°C)		 28.1°F
(-2.2°C)		 -2.2°F
(-1.2°C)		 27th Coolest
Coolest since:
 1990
102nd Warmest
Warmest since:
 1917
Nov–Dec 2022
2-Month 		27.8°F
(-2.3°C)		 31.4°F
(-0.3°C)		 -3.6°F
(-2.0°C)		 9th Coolest
Coolest since:
 1985
120th Warmest
Warmest since:
 1917
Oct–Dec 2022
3-Month 		35.6°F
(2.0°C)		 36.2°F
(2.3°C)		 -0.6°F
(-0.3°C)		 42nd Coolest
Coolest since:
 1985
87th Warmest
Warmest since:
 1917
Ties: 1896
Sep–Dec 2022
4-Month 		42.0°F
(5.6°C)		 41.1°F
(5.1°C)		 0.9°F
(0.5°C)		 85th Coolest
Coolest since:
 1985
44th Warmest
Warmest since:
 1917
Ties: 1952, 2008, 2010
Aug–Dec 2022
5-Month 		47.5°F
(8.6°C)		 45.5°F
(7.5°C)		 2.0°F
(1.1°C)		 119th Coolest
Coolest since:
 1985
10th Warmest
Warmest since:
 1917, 2014
Ties: 1937
Jul–Dec 2022
6-Month 		51.0°F
(10.6°C)		 48.6°F
(9.2°C)		 2.4°F
(1.4°C)		 125th Coolest
Coolest since:
 1985
4th Warmest
Warmest since:
 2014
Ties: 1939, 2012
Jun–Dec 2022
7-Month 		51.9°F
(11.1°C)		 49.8°F
(9.9°C)		 2.1°F
(1.2°C)		 124th Coolest
Coolest since:
 1916
5th Warmest
Warmest since:
 2021
Ties: 1958
May–Dec 2022
8-Month 		51.3°F
(10.7°C)		 49.8°F
(9.9°C)		 1.5°F
(0.8°C)		 112th Coolest
Coolest since:
 1916
17th Warmest
Warmest since:
 2021
Ties: 1967, 1998
Apr–Dec 2022
9-Month 		49.9°F
(9.9°C)		 49.0°F
(9.4°C)		 0.9°F
(0.5°C)		 98th Coolest
Coolest since:
 1916
31st Warmest
Warmest since:
 2021
Ties: 1925, 1949, 1966
Mar–Dec 2022
10-Month 		48.8°F
(9.3°C)		 47.7°F
(8.7°C)		 1.1°F
(0.6°C)		 102nd Coolest
Coolest since:
 1916
27th Warmest
Warmest since:
 2015
Ties: 1910, 1936
Feb–Dec 2022
11-Month 		47.1°F
(8.4°C)		 46.1°F
(7.8°C)		 1.0°F
(0.6°C)		 99th Coolest
Coolest since:
 1955
30th Warmest
Warmest since:
 2015
Ties: 1979, 1981, 1991, 1995
Jan–Dec 2022
12-Month 		45.7°F
(7.6°C)		 44.5°F
(6.9°C)		 1.2°F
(0.7°C)		 98th Coolest
Coolest since:
 1916
31st Warmest
Warmest since:
 2015
Jul 2021–Dec 2022
18-Month 		47.5°F
(8.6°C)		 45.8°F
(7.7°C)		 1.7°F
(0.9°C)		 117th Coolest
Coolest since:
 1985
11th Warmest
Warmest since:
 2015
Jan 2021–Dec 2022
24-Month 		46.4°F
(8.0°C)		 44.4°F
(6.9°C)		 2.0°F
(1.1°C)		 123rd Coolest
Coolest since:
 1917
5th Warmest
Warmest since:
 2015
Ties: 2017
Jan 2020–Dec 2022
36-Month 		46.4°F
(8.0°C)		 44.4°F
(6.9°C)		 2.0°F
(1.1°C)		 123rd Coolest
Coolest since:
 1913
4th Warmest
Warmest since:
 2016
Ties: 2018
Jan 2019–Dec 2022
48-Month 		46.0°F
(7.8°C)		 44.4°F
(6.9°C)		 1.6°F
(0.9°C)		 118th Coolest
Coolest since:
 1913, 1914, 1919
8th Warmest
Warmest since:
 2016, 2017
Ties: 2005, 2007, 2019
Jan 2018–Dec 2022
60-Month 		46.1°F
(7.8°C)		 44.4°F
(6.9°C)		 1.7°F
(0.9°C)		 118th Coolest
Coolest since:
 1913
7th Warmest
Warmest since:
 2018
Ties: 2020, 2021

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