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 1926

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1926
1-Month
27.4°F
(-2.6°C)
28.1°F
(-2.2°C)
-0.7°F
(-0.4°C)
42nd Coolest
Coolest since:
1990
87th Warmest
Warmest since:
1917
Ties: 1964
Nov–Dec 1926
2-Month
32.7°F
(0.4°C)
31.3°F
(-0.4°C)
1.4°F
(0.8°C)
89th Coolest
Coolest since:
1985
40th Warmest
Warmest since:
1917
Ties: 2017
Oct–Dec 1926
3-Month
37.4°F
(3.0°C)
36.1°F
(2.3°C)
1.3°F
(0.7°C)
96th Coolest
Coolest since:
1985
33rd Warmest
Warmest since:
1917
Ties: 1906
Sep–Dec 1926
4-Month
40.7°F
(4.8°C)
41.1°F
(5.1°C)
-0.4°F
(-0.3°C)
49th Coolest
Coolest since:
1985
80th Warmest
Warmest since:
1917
Ties: 1945, 1986, 1996
Aug–Dec 1926
5-Month
45.1°F
(7.3°C)
45.5°F
(7.5°C)
-0.4°F
(-0.2°C)
46th Coolest
Coolest since:
1985
83rd Warmest
Warmest since:
1917, 2014
Jul–Dec 1926
6-Month
48.6°F
(9.2°C)
48.6°F
(9.2°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1985
77th Warmest
Warmest since:
2014
Ties: 1910, 1918, 1969
Jun–Dec 1926
7-Month
50.3°F
(10.2°C)
49.8°F
(9.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1916
49th Warmest
Warmest since:
2021
Ties: 1960, 1973, 1986, 1994, 2019
May–Dec 1926
8-Month
50.3°F
(10.2°C)
49.8°F
(9.9°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1916
50th Warmest
Warmest since:
2021
Ties: 1906, 1947, 1953, 1981, 2009
Apr–Dec 1926
9-Month
50.1°F
(10.1°C)
49.0°F
(9.4°C)
1.1°F
(0.7°C)
105th Coolest
Coolest since:
1916
24th Warmest
Warmest to Date
2021
Ties: 1979, 1994, 2013
Mar–Dec 1926
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 to Date
2015
Ties: 2006
Feb–Dec 1926
11-Month
47.8°F
(8.8°C)
46.1°F
(7.8°C)
1.7°F
(1.0°C)
116th Coolest
Coolest since:
1955
13th Warmest
Warmest to Date
2015
Ties: 1988, 2007, 2020
Jan–Dec 1926
12-Month
46.1°F
(7.8°C)
44.5°F
(6.9°C)
1.6°F
(0.9°C)
113th Coolest
Coolest since:
1916
16th Warmest
Warmest to Date
2015
Ties: 1994
Jul 1925–Dec 1926
18-Month
47.0°F
(8.3°C)
45.8°F
(7.7°C)
1.2°F
(0.6°C)
102nd Coolest
Coolest since:
1985
26th Warmest
Warmest since:
2015
Ties: 1918, 1938, 1981, 2000, 2017
Jan 1925–Dec 1926
24-Month
45.9°F
(7.7°C)
44.4°F
(6.9°C)
1.5°F
(0.8°C)
110th Coolest
Coolest since:
1917
18th Warmest
Warmest to Date
2015
Ties: 1935, 1995, 2013
Jan 1924–Dec 1926
36-Month
45.2°F
(7.3°C)
44.4°F
(6.9°C)
0.8°F
(0.4°C)
93rd Coolest
Coolest since:
1913
34th Warmest
Warmest to Date
2016
Ties: 1927, 1934, 1967, 1968, 1993, 2012
Jan 1923–Dec 1926
48-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1913, 1914, 1919
46th Warmest
Warmest to Date
2016, 2017
Ties: 1939, 1981
Jan 1922–Dec 1926
60-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1913
73rd Warmest
Warmest since:
2018
Ties: 1908, 1947, 1964, 1974

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