Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2021. For more information, please see Climatological Rankings.


Pacific Northwest Basin

Average Temperature Rankings, December 1940

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1940
1-Month
30.9°F
(-0.6°C)
28.1°F
(-2.2°C)
2.8°F
(1.6°C)
101st Coolest Coolest since: 1938 1990
26th Warmest Warmest since: 1939 1917
Ties: 2020
Nov–Dec 1940
2-Month
30.8°F
(-0.7°C)
31.3°F
(-0.4°C)
-0.5°F
(-0.3°C)
42nd Coolest Coolest since: 1938 1985
85th Warmest Warmest since: 1939 1917
Ties: 1902, 1936, 1956, 1968, 2013
Oct–Dec 1940
3-Month
36.7°F
(2.6°C)
36.1°F
(2.3°C)
0.6°F
(0.3°C)
73rd Coolest Coolest since: 1938 1985
54th Warmest Warmest since: 1939 1917
Ties: 1977
Sep–Dec 1940
4-Month
42.0°F
(5.6°C)
41.0°F
(5.0°C)
1.0°F
(0.6°C)
85th Coolest Coolest since: 1936 1985
42nd Warmest Warmest since: 1939 1917
Ties: 1952, 2008, 2010
Aug–Dec 1940
5-Month
46.6°F
(8.1°C)
45.5°F
(7.5°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1938 1985
34th Warmest Warmest since: 1939 1917, 2014
Ties: 1942
Jul–Dec 1940
6-Month
49.7°F
(9.8°C)
48.6°F
(9.2°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1938 1985
30th Warmest Warmest since: 1939 2014
Ties: 1942, 1981, 2013
Jun–Dec 1940
7-Month
51.3°F
(10.7°C)
49.8°F
(9.9°C)
1.5°F
(0.8°C)
112th Coolest Coolest since: 1938 1916
15th Warmest Warmest since: 1939 2015
Ties: 1988, 2006
May–Dec 1940
8-Month
51.6°F
(10.9°C)
49.8°F
(9.9°C)
1.8°F
(1.0°C)
120th Coolest Coolest since: 1939 1916
7th Warmest Warmest since: 1939 2015
Ties: 1934, 1939, 2018
Apr–Dec 1940
9-Month
50.8°F
(10.4°C)
49.0°F
(9.4°C)
1.8°F
(1.0°C)
119th Coolest Coolest since: 1938 1916
8th Warmest Warmest since: 1939 2015
Ties: 2003, 2016, 2017, 2018
Mar–Dec 1940
10-Month
49.7°F
(9.8°C)
47.7°F
(8.7°C)
2.0°F
(1.1°C)
122nd Coolest Coolest since: 1939 1916
5th Warmest Warmest since: 1934 2015
Ties: 1987
Feb–Dec 1940
11-Month
48.2°F
(9.0°C)
46.1°F
(7.8°C)
2.1°F
(1.2°C)
119th Coolest Coolest since: 1939 1955
8th Warmest Warmest since: 1934 2015
Jan–Dec 1940
12-Month
46.5°F
(8.1°C)
44.4°F
(6.9°C)
2.1°F
(1.2°C)
119th Coolest Coolest since: 1939 1916
8th Warmest Warmest since: 1934 2015
Ties: 2020
Jul 1939–Dec 1940
18-Month
48.0°F
(8.9°C)
45.8°F
(7.7°C)
2.2°F
(1.2°C)
121st Coolest Coolest since: 1939 1985
5th Warmest Warmest since: 1934 2015
Jan 1939–Dec 1940
24-Month
46.2°F
(7.9°C)
44.4°F
(6.9°C)
1.8°F
(1.0°C)
120th Coolest Coolest since: 1939 1917
6th Warmest Warmest to Date 2015
Ties: 1987, 1988, 1992
Jan 1938–Dec 1940
36-Month
45.9°F
(7.7°C)
44.4°F
(6.9°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 1939 1913
12th Warmest Warmest to Date 2016
Ties: 1992, 2007, 2020
Jan 1937–Dec 1940
48-Month
45.4°F
(7.4°C)
44.5°F
(6.9°C)
0.9°F
(0.5°C)
98th Coolest Coolest since: 1939 1913, 1914, 1919
26th Warmest Warmest to Date 2016, 2017
Ties: 2002
Jan 1936–Dec 1940
60-Month
45.2°F
(7.3°C)
44.4°F
(6.9°C)
0.8°F
(0.4°C)
93rd Coolest Coolest since: 1939 1913
30th Warmest Warmest to Date 2018
Ties: 1993, 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2021, retrieved on September 16, 2021 from https://www.ncdc.noaa.gov/cag/