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 2004

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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
(1895-2022)
Warmest/Coolest
Since
Record
December 2004
1-Month
32.3°F
(0.2°C)
28.1°F
(-2.2°C)
4.2°F
(2.4°C)
114th Coolest
Coolest since:
1990
15th Warmest
Warmest since:
1917
Ties: 2002
Nov–Dec 2004
2-Month
34.0°F
(1.1°C)
31.3°F
(-0.4°C)
2.7°F
(1.5°C)
112th Coolest
Coolest since:
1985
17th Warmest
Warmest since:
1917
Ties: 1941, 1966, 2021
Oct–Dec 2004
3-Month
38.2°F
(3.4°C)
36.2°F
(2.3°C)
2.0°F
(1.1°C)
111th Coolest
Coolest since:
1985
18th Warmest
Warmest since:
1917
Sep–Dec 2004
4-Month
42.3°F
(5.7°C)
41.0°F
(5.0°C)
1.3°F
(0.7°C)
93rd Coolest
Coolest since:
1985
36th Warmest
Warmest since:
1917
Ties: 1981
Aug–Dec 2004
5-Month
46.9°F
(8.3°C)
45.5°F
(7.5°C)
1.4°F
(0.8°C)
98th Coolest
Coolest since:
1985
31st Warmest
Warmest since:
1917, 2014
Jul–Dec 2004
6-Month
50.2°F
(10.1°C)
48.7°F
(9.3°C)
1.5°F
(0.8°C)
109th Coolest
Coolest since:
1985
20th Warmest
Warmest since:
2014
Jun–Dec 2004
7-Month
51.4°F
(10.8°C)
49.8°F
(9.9°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1916
16th Warmest
Warmest since:
2021
May–Dec 2004
8-Month
51.2°F
(10.7°C)
49.8°F
(9.9°C)
1.4°F
(0.8°C)
109th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2021
Ties: 1979, 1988
Apr–Dec 2004
9-Month
50.7°F
(10.4°C)
49.0°F
(9.4°C)
1.7°F
(1.0°C)
115th Coolest
Coolest since:
1916
14th Warmest
Warmest since:
2021
Ties: 2012
Mar–Dec 2004
10-Month
49.8°F
(9.9°C)
47.7°F
(8.7°C)
2.1°F
(1.2°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
2015
Feb–Dec 2004
11-Month
48.1°F
(8.9°C)
46.1°F
(7.8°C)
2.0°F
(1.1°C)
119th Coolest
Coolest since:
1955
10th Warmest
Warmest since:
2015
Jan–Dec 2004
12-Month
46.4°F
(8.0°C)
44.5°F
(6.9°C)
1.9°F
(1.1°C)
118th Coolest
Coolest since:
1916
11th Warmest
Warmest since:
2015
Ties: 1987, 2018
Jul 2003–Dec 2004
18-Month
47.9°F
(8.8°C)
45.8°F
(7.7°C)
2.1°F
(1.1°C)
121st Coolest
Coolest since:
1985
7th Warmest
Warmest since:
2015
Ties: 2003, 2014
Jan 2003–Dec 2004
24-Month
46.6°F
(8.1°C)
44.4°F
(6.9°C)
2.2°F
(1.2°C)
124th Coolest
Coolest since:
1917
4th Warmest
Warmest to Date
2015
Jan 2002–Dec 2004
36-Month
46.2°F
(7.9°C)
44.5°F
(6.9°C)
1.7°F
(1.0°C)
119th Coolest
Coolest since:
1913
8th Warmest
Warmest to Date
2016
Ties: 2021
Jan 2001–Dec 2004
48-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
119th Coolest
Coolest since:
1913, 1914, 1919
7th Warmest
Warmest to Date
2016, 2017
Jan 2000–Dec 2004
60-Month
45.9°F
(7.7°C)
44.4°F
(6.9°C)
1.5°F
(0.8°C)
113th Coolest
Coolest since:
1913
12th Warmest
Warmest to Date
2018

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