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 1916

View Period (Months):
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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 1916
1-Month
22.7°F
(-5.2°C)
28.1°F
(-2.2°C)
-5.4°F
(-3.0°C)
12th Coolest
Coolest since:
1990
116th Warmest
Warmest since:
1917
Nov–Dec 1916
2-Month
26.2°F
(-3.2°C)
31.3°F
(-0.4°C)
-5.1°F
(-2.8°C)
2nd Coolest
Coolest since:
1985
126th Warmest
Warmest since:
1917
Oct–Dec 1916
3-Month
31.6°F
(-0.2°C)
36.1°F
(2.3°C)
-4.5°F
(-2.5°C)
3rd Coolest
Coolest since:
1985
125th Warmest
Warmest since:
1917
Sep–Dec 1916
4-Month
37.4°F
(3.0°C)
41.0°F
(5.0°C)
-3.6°F
(-2.0°C)
3rd Coolest
Coolest since:
1985
125th Warmest
Warmest since:
1917
Aug–Dec 1916
5-Month
42.3°F
(5.7°C)
45.4°F
(7.4°C)
-3.1°F
(-1.7°C)
2nd Coolest
Coolest since:
1985
126th Warmest
Warmest since:
1917, 2014
Jul–Dec 1916
6-Month
45.5°F
(7.5°C)
48.6°F
(9.2°C)
-3.1°F
(-1.7°C)
2nd Coolest
Coolest since:
1985
126th Warmest
Warmest since:
2014
Jun–Dec 1916
7-Month
46.7°F
(8.2°C)
49.7°F
(9.8°C)
-3.0°F
(-1.6°C)
1st Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2021
May–Dec 1916
8-Month
46.6°F
(8.1°C)
49.8°F
(9.9°C)
-3.2°F
(-1.8°C)
1st Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2021
Apr–Dec 1916
9-Month
46.2°F
(7.9°C)
49.0°F
(9.4°C)
-2.8°F
(-1.5°C)
1st Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2021
Mar–Dec 1916
10-Month
45.3°F
(7.4°C)
47.7°F
(8.7°C)
-2.4°F
(-1.3°C)
1st Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2015
Feb–Dec 1916
11-Month
43.9°F
(6.6°C)
46.1°F
(7.8°C)
-2.2°F
(-1.2°C)
2nd Coolest
Coolest since:
1955
126th Warmest
Warmest since:
2015
Ties: 1985
Jan–Dec 1916
12-Month
41.6°F
(5.3°C)
44.4°F
(6.9°C)
-2.8°F
(-1.6°C)
1st Coolest
Coolest since:
1916
127th Warmest
Warmest since:
2015
Jul 1915–Dec 1916
18-Month
43.9°F
(6.6°C)
45.9°F
(7.7°C)
-2.0°F
(-1.1°C)
2nd Coolest
Coolest since:
1985
125th Warmest
Warmest since:
2015
Jan 1915–Dec 1916
24-Month
43.2°F
(6.2°C)
44.4°F
(6.9°C)
-1.2°F
(-0.7°C)
8th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2015
Ties: 1899, 1903, 1923, 1955
Jan 1914–Dec 1916
36-Month
43.7°F
(6.5°C)
44.5°F
(6.9°C)
-0.8°F
(-0.4°C)
20th Coolest
Coolest since:
1913
106th Warmest
Warmest since:
2016
Ties: 1909, 1921, 1931
Jan 1913–Dec 1916
48-Month
43.5°F
(6.4°C)
44.5°F
(6.9°C)
-1.0°F
(-0.5°C)
8th Coolest
Coolest since:
1913, 1914, 1919
117th Warmest
Warmest since:
2016, 2017
Jan 1912–Dec 1916
60-Month
43.4°F
(6.3°C)
44.4°F
(6.9°C)
-1.0°F
(-0.6°C)
2nd Coolest
Coolest since:
1913
122nd Warmest
Warmest since:
2018
Ties: 1920

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