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 1912

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1912
1-Month
27.8°F
(-2.3°C)
28.1°F
(-2.2°C)
-0.3°F
(-0.1°C)
51st Coolest
Coolest since:
1990
77th Warmest
Warmest since:
1917
Ties: 1899, 1935, 1982, 2001
Nov–Dec 1912
2-Month
31.8°F
(-0.1°C)
31.3°F
(-0.4°C)
0.5°F
(0.3°C)
67th Coolest
Coolest since:
1985
61st Warmest
Warmest since:
1917
Oct–Dec 1912
3-Month
35.1°F
(1.7°C)
36.2°F
(2.3°C)
-1.1°F
(-0.6°C)
31st Coolest
Coolest since:
1985
97th Warmest
Warmest since:
1917
Ties: 1932
Sep–Dec 1912
4-Month
39.1°F
(3.9°C)
41.0°F
(5.0°C)
-1.9°F
(-1.1°C)
15th Coolest
Coolest since:
1985
113th Warmest
Warmest since:
1917
Aug–Dec 1912
5-Month
43.2°F
(6.2°C)
45.4°F
(7.4°C)
-2.2°F
(-1.2°C)
6th Coolest
Coolest since:
1985
122nd Warmest
Warmest since:
1917, 2014
Ties: 1924, 1978
Jul–Dec 1912
6-Month
46.2°F
(7.9°C)
48.6°F
(9.2°C)
-2.4°F
(-1.3°C)
3rd Coolest
Coolest since:
1985
125th Warmest
Warmest since:
2014
Ties: 1919, 1948
Jun–Dec 1912
7-Month
47.9°F
(8.8°C)
49.8°F
(9.9°C)
-1.9°F
(-1.1°C)
4th Coolest
Coolest since:
1916
124th Warmest
Warmest since:
2021
Ties: 1911
May–Dec 1912
8-Month
48.0°F
(8.9°C)
49.7°F
(9.8°C)
-1.7°F
(-0.9°C)
4th Coolest
Coolest since:
1916
124th Warmest
Warmest since:
2021
Ties: 1919
Apr–Dec 1912
9-Month
47.3°F
(8.5°C)
49.0°F
(9.4°C)
-1.7°F
(-0.9°C)
5th Coolest
Coolest since:
1916
123rd Warmest
Warmest since:
2021
Ties: 1948, 1955
Mar–Dec 1912
10-Month
45.8°F
(7.7°C)
47.6°F
(8.7°C)
-1.8°F
(-1.0°C)
3rd Coolest
Coolest since:
1916
125th Warmest
Warmest since:
2015
Ties: 1948, 1985
Feb–Dec 1912
11-Month
44.6°F
(7.0°C)
46.1°F
(7.8°C)
-1.5°F
(-0.8°C)
9th Coolest
Coolest since:
1955
119th Warmest
Warmest since:
2015
Ties: 1913
Jan–Dec 1912
12-Month
43.1°F
(6.2°C)
44.5°F
(6.9°C)
-1.4°F
(-0.7°C)
13th Coolest
Coolest since:
1916
115th Warmest
Warmest since:
2015
Jul 1911–Dec 1912
18-Month
44.2°F
(6.8°C)
45.8°F
(7.7°C)
-1.6°F
(-0.9°C)
4th Coolest
Coolest since:
1985
123rd Warmest
Warmest since:
2015
Ties: 1917, 1955
Jan 1911–Dec 1912
24-Month
42.8°F
(6.0°C)
44.4°F
(6.9°C)
-1.6°F
(-0.9°C)
2nd Coolest
Coolest since:
1917
125th Warmest
Warmest since:
2015
Ties: 1985
Jan 1910–Dec 1912
36-Month
43.4°F
(6.3°C)
44.4°F
(6.9°C)
-1.0°F
(-0.6°C)
6th Coolest
Coolest since:
1913
120th Warmest
Warmest since:
2016
Ties: 1924, 1956
Jan 1909–Dec 1912
48-Month
43.4°F
(6.3°C)
44.5°F
(6.9°C)
-1.1°F
(-0.6°C)
4th Coolest
Coolest since:
1913, 1914, 1919
121st Warmest
Warmest since:
2016, 2017
Ties: 1922, 1951, 1985
Jan 1908–Dec 1912
60-Month
43.5°F
(6.4°C)
44.4°F
(6.9°C)
-0.9°F
(-0.5°C)
4th Coolest
Coolest since:
1913
120th Warmest
Warmest since:
2018
Ties: 1899, 1914, 1917, 1923, 1952

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