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 2006

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  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2006
1-Month
29.0°F
(-1.7°C)
28.1°F
(-2.2°C)
0.9°F
(0.5°C)
75th Coolest
Coolest since:
1990
54th Warmest
Warmest since:
1917
Ties: 2015
Nov–Dec 2006
2-Month
32.1°F
(0.1°C)
31.3°F
(-0.4°C)
0.8°F
(0.5°C)
77th Coolest
Coolest since:
1985
52nd Warmest
Warmest since:
1917
Ties: 1943
Oct–Dec 2006
3-Month
36.5°F
(2.5°C)
36.2°F
(2.3°C)
0.3°F
(0.2°C)
68th Coolest
Coolest since:
1985
61st Warmest
Warmest since:
1917
Ties: 1936
Sep–Dec 2006
4-Month
41.6°F
(5.3°C)
41.0°F
(5.0°C)
0.6°F
(0.3°C)
70th Coolest
Coolest since:
1985
59th Warmest
Warmest since:
1917
Ties: 1975, 2016
Aug–Dec 2006
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, 2013
Jul–Dec 2006
6-Month
49.8°F
(9.9°C)
48.6°F
(9.2°C)
1.2°F
(0.7°C)
100th Coolest
Coolest since:
1985
29th Warmest
Warmest since:
2014
Ties: 1963, 1966
Jun–Dec 2006
7-Month
51.3°F
(10.7°C)
49.8°F
(9.9°C)
1.5°F
(0.8°C)
112th Coolest
Coolest since:
1916
17th Warmest
Warmest since:
2021
Ties: 1940, 1988
May–Dec 2006
8-Month
51.4°F
(10.8°C)
49.8°F
(9.9°C)
1.6°F
(0.9°C)
116th Coolest
Coolest since:
1916
13th Warmest
Warmest since:
2021
Ties: 1987, 2001, 2012
Apr–Dec 2006
9-Month
50.6°F
(10.3°C)
49.0°F
(9.4°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1916
16th Warmest
Warmest since:
2021
Mar–Dec 2006
10-Month
49.0°F
(9.4°C)
47.7°F
(8.7°C)
1.3°F
(0.7°C)
107th Coolest
Coolest since:
1916
22nd Warmest
Warmest since:
2015
Ties: 1926
Feb–Dec 2006
11-Month
47.2°F
(8.4°C)
46.1°F
(7.8°C)
1.1°F
(0.6°C)
102nd Coolest
Coolest since:
1955
27th Warmest
Warmest since:
2015
Ties: 1947, 1963, 2022
Jan–Dec 2006
12-Month
46.0°F
(7.8°C)
44.4°F
(6.9°C)
1.6°F
(0.9°C)
111th Coolest
Coolest since:
1916
18th Warmest
Warmest since:
2015
Ties: 1939, 2007
Jul 2005–Dec 2006
18-Month
47.1°F
(8.4°C)
45.9°F
(7.7°C)
1.2°F
(0.7°C)
108th Coolest
Coolest since:
1985
20th Warmest
Warmest since:
2015
Ties: 1939, 1941, 1967, 1987, 2005
Jan 2005–Dec 2006
24-Month
45.8°F
(7.7°C)
44.4°F
(6.9°C)
1.4°F
(0.8°C)
106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2015
Ties: 1998, 1999
Jan 2004–Dec 2006
36-Month
46.0°F
(7.8°C)
44.4°F
(6.9°C)
1.6°F
(0.9°C)
115th Coolest
Coolest since:
1913
12th Warmest
Warmest since:
2016
Ties: 2003
Jan 2003–Dec 2006
48-Month
46.2°F
(7.9°C)
44.4°F
(6.9°C)
1.8°F
(1.0°C)
121st Coolest
Coolest since:
1913, 1914, 1919
5th Warmest
Warmest to Date
2016, 2017
Ties: 2021
Jan 2002–Dec 2006
60-Month
46.0°F
(7.8°C)
44.4°F
(6.9°C)
1.6°F
(0.9°C)
115th Coolest
Coolest since:
1913
10th Warmest
Warmest since:
2018
Ties: 2005

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