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 1911

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1911
1-Month
26.8°F
(-2.9°C)
28.1°F
(-2.2°C)
-1.3°F
(-0.7°C)
35th Coolest
Coolest since:
1990
94th Warmest
Warmest since:
1917
Ties: 1921
Nov–Dec 1911
2-Month
29.2°F
(-1.6°C)
31.3°F
(-0.4°C)
-2.1°F
(-1.2°C)
22nd Coolest
Coolest since:
1985
107th Warmest
Warmest since:
1917
Ties: 1983, 2000
Oct–Dec 1911
3-Month
33.9°F
(1.1°C)
36.2°F
(2.3°C)
-2.3°F
(-1.2°C)
14th Coolest
Coolest since:
1985
115th Warmest
Warmest since:
1917
Sep–Dec 1911
4-Month
38.5°F
(3.6°C)
41.0°F
(5.0°C)
-2.5°F
(-1.4°C)
6th Coolest
Coolest since:
1985
123rd Warmest
Warmest since:
1917
Ties: 1924, 1978
Aug–Dec 1911
5-Month
43.0°F
(6.1°C)
45.5°F
(7.5°C)
-2.5°F
(-1.4°C)
4th Coolest
Coolest since:
1985
125th Warmest
Warmest since:
1917, 2014
Jul–Dec 1911
6-Month
46.5°F
(8.1°C)
48.6°F
(9.2°C)
-2.1°F
(-1.1°C)
6th Coolest
Coolest since:
1985
123rd Warmest
Warmest since:
2014
Jun–Dec 1911
7-Month
47.9°F
(8.8°C)
49.7°F
(9.8°C)
-1.8°F
(-1.0°C)
4th Coolest
Coolest since:
1916
125th Warmest
Warmest since:
2021
Ties: 1912
May–Dec 1911
8-Month
47.8°F
(8.8°C)
49.8°F
(9.9°C)
-2.0°F
(-1.1°C)
3rd Coolest
Coolest since:
1916
126th Warmest
Warmest since:
2021
Apr–Dec 1911
9-Month
47.0°F
(8.3°C)
49.0°F
(9.4°C)
-2.0°F
(-1.1°C)
2nd Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2021
Mar–Dec 1911
10-Month
46.0°F
(7.8°C)
47.7°F
(8.7°C)
-1.7°F
(-0.9°C)
6th Coolest
Coolest since:
1916
123rd Warmest
Warmest since:
2015
Ties: 1964
Feb–Dec 1911
11-Month
44.1°F
(6.7°C)
46.1°F
(7.8°C)
-2.0°F
(-1.1°C)
4th Coolest
Coolest since:
1955
125th Warmest
Warmest since:
2015
Jan–Dec 1911
12-Month
42.6°F
(5.9°C)
44.5°F
(6.9°C)
-1.9°F
(-1.0°C)
5th Coolest
Coolest since:
1916
124th Warmest
Warmest since:
2015
Jul 1910–Dec 1911
18-Month
44.6°F
(7.0°C)
45.8°F
(7.7°C)
-1.2°F
(-0.7°C)
12th Coolest
Coolest since:
1985
116th Warmest
Warmest since:
2015
Ties: 1929
Jan 1910–Dec 1911
24-Month
43.6°F
(6.4°C)
44.5°F
(6.9°C)
-0.9°F
(-0.5°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2015
Ties: 1909, 1929, 1951
Jan 1909–Dec 1911
36-Month
43.5°F
(6.4°C)
44.5°F
(6.9°C)
-1.0°F
(-0.5°C)
9th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2016
Ties: 1899, 1914, 1922, 1951, 1985
Jan 1908–Dec 1911
48-Month
43.6°F
(6.4°C)
44.4°F
(6.9°C)
-0.8°F
(-0.5°C)
9th Coolest
Coolest since:
1913, 1914, 1919
117th Warmest
Warmest since:
2016, 2017
Ties: 1898, 1899, 1917, 1923, 1924, 1930, 1932, 1957
Jan 1907–Dec 1911
60-Month
43.7°F
(6.5°C)
44.4°F
(6.9°C)
-0.7°F
(-0.4°C)
13th Coolest
Coolest since:
1913
112th Warmest
Warmest since:
2018
Ties: 1922, 1933, 1951

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