Regional Rankings

Regional Data Info
Please note, Degree Days are not available for Great Plains, Souther Plains and Gulf Coast, Rockies and Westward, River Basins, or Agricultural Belts. 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

December 2008 Average Temperature Rankings

View Period (Months):
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2024)
Coolest/Warmest
Since
Record
December 2008
1-Month
25.6°F
(-3.6°C)
28.1°F
(-2.2°C)
-2.5°F25th Coolest
Coolest since:
1990
106th Warmest
Warmest since:
1917
Nov–Dec 2008
2-Month
32.5°F
(0.3°C)
31.4°F
(-0.3°C)
1.1°F84th Coolest
Coolest since:
1985
47th Warmest
Warmest since:
1917
Oct–Dec 2008
3-Month
37.0°F
(2.8°C)
36.2°F
(2.3°C)
0.8°F81st Coolest
Coolest since:
1985
50th Warmest
Warmest since:
1917
Sep–Dec 2008
4-Month
42.0°F
(5.6°C)
41.1°F
(5.1°C)
0.9°F84th Coolest
Coolest since:
1985
47th Warmest
Warmest since:
2024
Aug–Dec 2008
5-Month
46.4°F
(8.0°C)
45.5°F
(7.5°C)
0.9°F90th Coolest
Coolest since:
1985
41st Warmest
Warmest since:
2024
Jul–Dec 2008
6-Month
49.6°F
(9.8°C)
48.6°F
(9.2°C)
1.0°F93rd Coolest
Coolest since:
1985
38th Warmest
Warmest since:
2024
Jun–Dec 2008
7-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F89th Coolest
Coolest since:
1916
42nd Warmest
Warmest since:
2021, 2024
Ties: 1906, 1918, 1962, 1977, 1981, 1997
May–Dec 2008
8-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F90th Coolest
Coolest since:
1916
41st Warmest
Warmest since:
2023
Apr–Dec 2008
9-Month
49.2°F
(9.6°C)
49.0°F
(9.4°C)
0.2°F58th Coolest
Coolest since:
1916
73rd Warmest
Warmest since:
2021
Ties: 1918, 1943, 1960, 1961
Mar–Dec 2008
10-Month
47.6°F
(8.7°C)
47.7°F
(8.7°C)
-0.1°F54th Coolest
Coolest since:
1916
77th Warmest
Warmest since:
2015
Feb–Dec 2008
11-Month
46.2°F
(7.9°C)
46.1°F
(7.8°C)
0.1°F58th Coolest
Coolest since:
1955
73rd Warmest
Warmest since:
2015
Jan–Dec 2008
12-Month
44.4°F
(6.9°C)
44.5°F
(6.9°C)
-0.1°F55th Coolest
Coolest since:
1916
76th Warmest
Warmest since:
2015
Ties: 1921, 1928, 1946, 1959, 1962, 1970
Jul 2007–Dec 2008
18-Month
46.2°F
(7.9°C)
45.8°F
(7.7°C)
0.4°F75th Coolest
Coolest since:
1985
55th Warmest
Warmest since:
2015
Ties: 1900, 1977
Jan 2007–Dec 2008
24-Month
45.2°F
(7.3°C)
44.4°F
(6.9°C)
0.8°F90th Coolest
Coolest since:
1917
40th Warmest
Warmest since:
2015
Jan 2006–Dec 2008
36-Month
45.5°F
(7.5°C)
44.4°F
(6.9°C)
1.1°F105th Coolest
Coolest since:
1913
24th Warmest
Warmest since:
2016
Ties: 1936, 1994, 1996, 1998, 2001
Jan 2005–Dec 2008
48-Month
45.5°F
(7.5°C)
44.4°F
(6.9°C)
1.1°F102nd Coolest
Coolest since:
1913, 1914, 1919
26th Warmest
Warmest since:
2016, 2017
Ties: 1994, 1997, 1999
Jan 2004–Dec 2008
60-Month
45.7°F
(7.6°C)
44.4°F
(6.9°C)
1.3°F112th Coolest
Coolest since:
1913
15th Warmest
Warmest since:
2018

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