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 2001

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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 2001
1-Month
27.8°F
(-2.3°C)
28.1°F
(-2.2°C)
-0.3°F
(-0.1°C)
52nd Coolest
Coolest since:
1990
77th Warmest
Warmest since:
1917
Ties: 1899, 1912, 1935, 1982
Nov–Dec 2001
2-Month
33.0°F
(0.6°C)
31.4°F
(-0.3°C)
1.6°F
(0.9°C)
93rd Coolest
Coolest since:
1985
36th Warmest
Warmest since:
1917
Ties: 1997
Oct–Dec 2001
3-Month
37.3°F
(2.9°C)
36.2°F
(2.3°C)
1.1°F
(0.6°C)
94th Coolest
Coolest since:
1985
35th Warmest
Warmest since:
1917
Ties: 1976, 1981
Sep–Dec 2001
4-Month
42.8°F
(6.0°C)
41.0°F
(5.0°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1985
20th Warmest
Warmest since:
1917
Ties: 1958, 1974, 1988
Aug–Dec 2001
5-Month
47.6°F
(8.7°C)
45.4°F
(7.4°C)
2.2°F
(1.3°C)
121st Coolest
Coolest since:
1985
8th Warmest
Warmest since:
1917, 2014
Ties: 1958, 2022
Jul–Dec 2001
6-Month
50.4°F
(10.2°C)
48.6°F
(9.2°C)
1.8°F
(1.0°C)
113th Coolest
Coolest since:
1985
16th Warmest
Warmest since:
2014
Ties: 1933, 1999
Jun–Dec 2001
7-Month
51.2°F
(10.7°C)
49.7°F
(9.8°C)
1.5°F
(0.9°C)
109th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2021
Ties: 1979, 2002, 2018
May–Dec 2001
8-Month
51.4°F
(10.8°C)
49.7°F
(9.8°C)
1.7°F
(1.0°C)
116th Coolest
Coolest since:
1916
13th Warmest
Warmest since:
2021
Ties: 1987, 2006, 2012
Apr–Dec 2001
9-Month
50.3°F
(10.2°C)
49.0°F
(9.4°C)
1.3°F
(0.8°C)
109th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2021
Ties: 1937, 1992
Mar–Dec 2001
10-Month
49.2°F
(9.6°C)
47.7°F
(8.7°C)
1.5°F
(0.9°C)
112th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2015
Ties: 1988, 2007
Feb–Dec 2001
11-Month
47.3°F
(8.5°C)
46.1°F
(7.8°C)
1.2°F
(0.7°C)
106th Coolest
Coolest since:
1955
23rd Warmest
Warmest since:
2015
Ties: 1941, 1986, 1994
Jan–Dec 2001
12-Month
45.8°F
(7.7°C)
44.5°F
(6.9°C)
1.3°F
(0.8°C)
105th Coolest
Coolest since:
1916
24th Warmest
Warmest since:
2015
Ties: 1925, 1941, 1953, 1967, 1995, 2017, 2022
Jul 2000–Dec 2001
18-Month
46.5°F
(8.1°C)
45.8°F
(7.7°C)
0.7°F
(0.4°C)
86th Coolest
Coolest since:
1985
42nd Warmest
Warmest since:
2015
Ties: 1959, 1966, 1991, 2009
Jan 2000–Dec 2001
24-Month
45.5°F
(7.5°C)
44.4°F
(6.9°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1917
29th Warmest
Warmest since:
2015
Ties: 1967, 2002
Jan 1999–Dec 2001
36-Month
45.5°F
(7.5°C)
44.5°F
(6.9°C)
1.0°F
(0.6°C)
105th Coolest
Coolest since:
1913
22nd Warmest
Warmest since:
2016
Ties: 1936, 1994, 1996, 1998, 2008
Jan 1998–Dec 2001
48-Month
45.7°F
(7.6°C)
44.4°F
(6.9°C)
1.3°F
(0.7°C)
110th Coolest
Coolest since:
1913, 1914, 1919
16th Warmest
Warmest since:
2016, 2017
Ties: 1989
Jan 1997–Dec 2001
60-Month
45.6°F
(7.6°C)
44.4°F
(6.9°C)
1.2°F
(0.7°C)
106th Coolest
Coolest since:
1913
19th Warmest
Warmest since:
2018
Ties: 2002

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