Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 2013

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2013
1-Month 		25.7°F
(-3.5°C)		 28.1°F
(-2.2°C)		 -2.4°F
(-1.3°C)		 26th Coolest
Coolest since:
 1990
103rd Warmest
Warmest since:
 1917
Nov–Dec 2013
2-Month 		30.8°F
(-0.7°C)		 31.3°F
(-0.4°C)		 -0.5°F
(-0.3°C)		 43rd Coolest
Coolest since:
 1985
86th Warmest
Warmest since:
 1917
Ties: 1902, 1936, 1940, 1956, 1968
Oct–Dec 2013
3-Month 		35.3°F
(1.8°C)		 36.2°F
(2.3°C)		 -0.9°F
(-0.5°C)		 35th Coolest
Coolest since:
 1985
94th Warmest
Warmest since:
 1917
Ties: 1968, 1992
Sep–Dec 2013
4-Month 		40.9°F
(4.9°C)		 41.1°F
(5.1°C)		 -0.2°F
(-0.2°C)		 54th Coolest
Coolest since:
 1985
75th Warmest
Warmest since:
 1917
Ties: 2005, 2019
Aug–Dec 2013
5-Month 		46.0°F
(7.8°C)		 45.5°F
(7.5°C)		 0.5°F
(0.3°C)		 79th Coolest
Coolest since:
 1985
50th Warmest
Warmest since:
 1917, 2014
Ties: 1938, 1973, 1986, 2006
Jul–Dec 2013
6-Month 		49.7°F
(9.8°C)		 48.6°F
(9.2°C)		 1.1°F
(0.6°C)		 97th Coolest
Coolest since:
 1985
32nd Warmest
Warmest since:
 2014
Ties: 1940, 1942, 1981
Jun–Dec 2013
7-Month 		51.0°F
(10.6°C)		 49.8°F
(9.9°C)		 1.2°F
(0.7°C)		 101st Coolest
Coolest since:
 1916
28th Warmest
Warmest since:
 2021
May–Dec 2013
8-Month 		51.1°F
(10.6°C)		 49.8°F
(9.9°C)		 1.3°F
(0.7°C)		 106th Coolest
Coolest since:
 1916
23rd Warmest
Warmest since:
 2021
Ties: 1936
Apr–Dec 2013
9-Month 		50.1°F
(10.1°C)		 49.0°F
(9.4°C)		 1.1°F
(0.7°C)		 105th Coolest
Coolest since:
 1916
24th Warmest
Warmest since:
 2021
Ties: 1926, 1979, 1994
Mar–Dec 2013
10-Month 		48.9°F
(9.4°C)		 47.7°F
(8.7°C)		 1.2°F
(0.7°C)		 105th Coolest
Coolest since:
 1916
24th Warmest
Warmest since:
 2015
Ties: 1937, 1979, 2022
Feb–Dec 2013
11-Month 		47.4°F
(8.6°C)		 46.1°F
(7.8°C)		 1.3°F
(0.8°C)		 109th Coolest
Coolest since:
 1955
20th Warmest
Warmest since:
 2015
Ties: 1925, 1939
Jan–Dec 2013
12-Month 		45.6°F
(7.6°C)		 44.4°F
(6.9°C)		 1.2°F
(0.7°C)		 97th Coolest
Coolest since:
 1916
32nd Warmest
Warmest since:
 2015
Ties: 2005
Jul 2012–Dec 2013
18-Month 		47.4°F
(8.6°C)		 45.8°F
(7.7°C)		 1.6°F
(0.9°C)		 116th Coolest
Coolest since:
 1985
12th Warmest
Warmest since:
 2015
Ties: 1958, 1998
Jan 2012–Dec 2013
24-Month 		45.9°F
(7.7°C)		 44.4°F
(6.9°C)		 1.5°F
(0.8°C)		 110th Coolest
Coolest since:
 1917
18th Warmest
Warmest since:
 2015
Ties: 1926, 1935, 1995
Jan 2011–Dec 2013
36-Month 		45.3°F
(7.4°C)		 44.4°F
(6.9°C)		 0.9°F
(0.5°C)		 97th Coolest
Coolest since:
 1913
30th Warmest
Warmest since:
 2016
Ties: 1935, 1990, 1997
Jan 2010–Dec 2013
48-Month 		45.3°F
(7.4°C)		 44.4°F
(6.9°C)		 0.9°F
(0.5°C)		 96th Coolest
Coolest since:
 1913, 1914, 1919
30th Warmest
Warmest since:
 2016, 2017
Ties: 1991, 1993, 2009
Jan 2009–Dec 2013
60-Month 		45.2°F
(7.3°C)		 44.4°F
(6.9°C)		 0.8°F
(0.4°C)		 93rd Coolest
Coolest since:
 1913
32nd Warmest
Warmest since:
 2018
Ties: 1940, 1993

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