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 2003

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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 2003
1-Month
30.6°F
(-0.8°C)
28.1°F
(-2.2°C)
2.5°F
(1.4°C)
96th Coolest
Coolest since:
1990
33rd Warmest
Warmest since:
1917
Ties: 1989
Nov–Dec 2003
2-Month
31.0°F
(-0.6°C)
31.4°F
(-0.3°C)
-0.4°F
(-0.3°C)
51st Coolest
Coolest since:
1985
78th Warmest
Warmest since:
1917
Ties: 1897, 1960
Oct–Dec 2003
3-Month
37.2°F
(2.9°C)
36.1°F
(2.3°C)
1.1°F
(0.6°C)
91st Coolest
Coolest since:
1985
38th Warmest
Warmest since:
1917
Ties: 1929, 1991
Sep–Dec 2003
4-Month
42.6°F
(5.9°C)
41.1°F
(5.1°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1985
26th Warmest
Warmest since:
1917
Ties: 1907, 1943, 1991
Aug–Dec 2003
5-Month
47.3°F
(8.5°C)
45.5°F
(7.5°C)
1.8°F
(1.0°C)
112th Coolest
Coolest since:
1985
17th Warmest
Warmest since:
1917, 2014
Ties: 1950, 1991, 1998, 2021
Jul–Dec 2003
6-Month
50.9°F
(10.5°C)
48.6°F
(9.2°C)
2.3°F
(1.3°C)
122nd Coolest
Coolest since:
1985
7th Warmest
Warmest since:
2014
Ties: 2020
Jun–Dec 2003
7-Month
52.2°F
(11.2°C)
49.8°F
(9.9°C)
2.4°F
(1.3°C)
125th Coolest
Coolest since:
1916
4th Warmest
Warmest to Date
2021
May–Dec 2003
8-Month
52.0°F
(11.1°C)
49.8°F
(9.9°C)
2.2°F
(1.2°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
2021
Apr–Dec 2003
9-Month
50.8°F
(10.4°C)
49.0°F
(9.4°C)
1.8°F
(1.0°C)
120th Coolest
Coolest since:
1916
9th Warmest
Warmest since:
2021
Ties: 1940, 2016, 2017, 2018
Mar–Dec 2003
10-Month
49.6°F
(9.8°C)
47.6°F
(8.7°C)
2.0°F
(1.1°C)
121st Coolest
Coolest since:
1916
8th Warmest
Warmest since:
2015
Ties: 1939, 1992, 2016, 2017
Feb–Dec 2003
11-Month
48.0°F
(8.9°C)
46.1°F
(7.8°C)
1.9°F
(1.1°C)
118th Coolest
Coolest since:
1955
11th Warmest
Warmest since:
2015
Ties: 2017
Jan–Dec 2003
12-Month
46.9°F
(8.3°C)
44.4°F
(6.9°C)
2.5°F
(1.4°C)
123rd Coolest
Coolest since:
1916
6th Warmest
Warmest since:
2015
Ties: 2016
Jul 2002–Dec 2003
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: 2004, 2014
Jan 2002–Dec 2003
24-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2015
Ties: 1934, 1941, 2018
Jan 2001–Dec 2003
36-Month
46.0°F
(7.8°C)
44.5°F
(6.9°C)
1.5°F
(0.9°C)
115th Coolest
Coolest since:
1913
12th Warmest
Warmest since:
2016
Ties: 2006
Jan 2000–Dec 2003
48-Month
45.8°F
(7.7°C)
44.4°F
(6.9°C)
1.4°F
(0.8°C)
112th Coolest
Coolest since:
1913, 1914, 1919
14th Warmest
Warmest since:
2016, 2017
Ties: 2014
Jan 1999–Dec 2003
60-Month
45.7°F
(7.6°C)
44.4°F
(6.9°C)
1.3°F
(0.7°C)
112th Coolest
Coolest since:
1913
13th Warmest
Warmest since:
2018
Ties: 1990, 1992, 1998, 2008, 2014

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