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 2012

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2012
1-Month
29.2°F
(-1.6°C)
28.1°F
(-2.2°C)
1.1°F
(0.6°C)
77th Coolest
Coolest since:
1990
51st Warmest
Warmest since:
1917
Ties: 1952, 2018
Nov–Dec 2012
2-Month
33.6°F
(0.9°C)
31.3°F
(-0.4°C)
2.3°F
(1.3°C)
104th Coolest
Coolest since:
1985
24th Warmest
Warmest since:
1917
Ties: 1901, 1954
Oct–Dec 2012
3-Month
37.7°F
(3.2°C)
36.1°F
(2.3°C)
1.6°F
(0.9°C)
103rd Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1917
Ties: 1963, 1974, 1989
Sep–Dec 2012
4-Month
43.2°F
(6.2°C)
41.1°F
(5.1°C)
2.1°F
(1.1°C)
116th Coolest
Coolest since:
1985
12th Warmest
Warmest since:
1917
Ties: 1950, 1987
Aug–Dec 2012
5-Month
47.9°F
(8.8°C)
45.5°F
(7.5°C)
2.4°F
(1.3°C)
123rd Coolest
Coolest since:
1985
5th Warmest
Warmest since:
1917, 2014
Ties: 1999
Jul–Dec 2012
6-Month
51.0°F
(10.6°C)
48.7°F
(9.3°C)
2.3°F
(1.3°C)
124th Coolest
Coolest since:
1985
4th Warmest
Warmest since:
2014
Ties: 1939
Jun–Dec 2012
7-Month
51.6°F
(10.9°C)
49.8°F
(9.9°C)
1.8°F
(1.0°C)
120th Coolest
Coolest since:
1916
8th Warmest
Warmest since:
2021
Ties: 1917, 1967
May–Dec 2012
8-Month
51.4°F
(10.8°C)
49.8°F
(9.9°C)
1.6°F
(0.9°C)
115th Coolest
Coolest since:
1916
13th Warmest
Warmest since:
2021
Ties: 1987, 2001, 2006
Apr–Dec 2012
9-Month
50.7°F
(10.4°C)
49.0°F
(9.4°C)
1.7°F
(1.0°C)
114th Coolest
Coolest since:
1916
14th Warmest
Warmest since:
2021
Ties: 2004
Mar–Dec 2012
10-Month
49.3°F
(9.6°C)
47.7°F
(8.7°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1916
15th Warmest
Warmest since:
2015
Ties: 2018
Feb–Dec 2012
11-Month
47.7°F
(8.7°C)
46.1°F
(7.8°C)
1.6°F
(0.9°C)
111th Coolest
Coolest since:
1955
17th Warmest
Warmest since:
2015
Ties: 1998
Jan–Dec 2012
12-Month
46.2°F
(7.9°C)
44.4°F
(6.9°C)
1.8°F
(1.0°C)
113th Coolest
Coolest since:
1916
15th Warmest
Warmest since:
2015
Jul 2011–Dec 2012
18-Month
47.3°F
(8.5°C)
45.8°F
(7.7°C)
1.5°F
(0.8°C)
113th Coolest
Coolest since:
1985
14th Warmest
Warmest since:
2015
Ties: 2007, 2020
Jan 2011–Dec 2012
24-Month
45.2°F
(7.3°C)
44.4°F
(6.9°C)
0.8°F
(0.4°C)
90th Coolest
Coolest since:
1917
37th Warmest
Warmest since:
2015
Ties: 1968, 1993, 2008
Jan 2010–Dec 2012
36-Month
45.2°F
(7.3°C)
44.4°F
(6.9°C)
0.8°F
(0.4°C)
93rd Coolest
Coolest since:
1913
33rd Warmest
Warmest since:
2016
Ties: 1926, 1927, 1934, 1967, 1968, 1993
Jan 2009–Dec 2012
48-Month
45.1°F
(7.3°C)
44.4°F
(6.9°C)
0.7°F
(0.4°C)
91st Coolest
Coolest since:
1913, 1914, 1919
34th Warmest
Warmest since:
2016, 2017
Ties: 1934, 1936, 1937, 1943, 1968, 1988, 2010
Jan 2008–Dec 2012
60-Month
45.0°F
(7.2°C)
44.4°F
(6.9°C)
0.6°F
(0.3°C)
88th Coolest
Coolest since:
1913
36th Warmest
Warmest since:
2018
Ties: 1962, 1989, 2011

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