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 September 2021. For more information, please see Climatological Rankings.


Pacific Northwest Basin

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2009
1-Month
24.2°F
(-4.3°C)
28.1°F
(-2.2°C)
-3.9°F
(-2.1°C)
19th Coolest Coolest since: 1990 1990
108th Warmest Warmest since: 2008 1917
Nov–Dec 2009
2-Month
30.0°F
(-1.1°C)
31.3°F
(-0.4°C)
-1.3°F
(-0.7°C)
33rd Coolest Coolest since: 2000 1985
94th Warmest Warmest since: 2008 1917
Ties: 1927, 1928
Oct–Dec 2009
3-Month
34.1°F
(1.2°C)
36.2°F
(2.3°C)
-2.1°F
(-1.1°C)
16th Coolest Coolest since: 1994 1985
111th Warmest Warmest since: 2008 1917
Ties: 1994
Sep–Dec 2009
4-Month
40.6°F
(4.8°C)
41.1°F
(5.1°C)
-0.5°F
(-0.3°C)
47th Coolest Coolest since: 2000 1985
80th Warmest Warmest since: 2008 1917
Ties: 1994
Aug–Dec 2009
5-Month
45.3°F
(7.4°C)
45.5°F
(7.5°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 2000 1985
77th Warmest Warmest since: 2008 1917, 2014
Ties: 1960
Jul–Dec 2009
6-Month
48.8°F
(9.3°C)
48.6°F
(9.2°C)
0.2°F
(0.1°C)
58th Coolest Coolest since: 2000 1985
69th Warmest Warmest since: 2008 2014
Ties: 1907, 1975, 1977
Jun–Dec 2009
7-Month
50.1°F
(10.1°C)
49.8°F
(9.9°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 2005 1916
56th Warmest Warmest since: 2008 2015
Ties: 1941, 1952, 1961, 1992
May–Dec 2009
8-Month
50.3°F
(10.2°C)
49.8°F
(9.9°C)
0.5°F
(0.3°C)
79th Coolest Coolest since: 2005 1916
48th Warmest Warmest since: 2008 2015
Ties: 1906, 1926, 1947, 1953, 1981
Apr–Dec 2009
9-Month
49.4°F
(9.7°C)
49.0°F
(9.4°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 2008 1916
55th Warmest Warmest since: 2007 2015
Ties: 1942, 1950, 1986, 1991, 2005
Mar–Dec 2009
10-Month
47.8°F
(8.8°C)
47.7°F
(8.7°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 2008 1916
69th Warmest Warmest since: 2007 2015
Ties: 1931, 1950, 1952
Feb–Dec 2009
11-Month
46.3°F
(7.9°C)
46.1°F
(7.8°C)
0.2°F
(0.1°C)
70th Coolest Coolest since: 2008 1955
57th Warmest Warmest since: 2007 2015
Ties: 1957, 1996
Jan–Dec 2009
12-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
81st Coolest Coolest since: 2008 1916
46th Warmest Warmest since: 2007 2015
Ties: 1904, 1906, 1915, 1973, 1980, 1983, 2019
Jul 2008–Dec 2009
18-Month
46.5°F
(8.1°C)
45.9°F
(7.7°C)
0.6°F
(0.4°C)
86th Coolest Coolest since: 2008 1985
40th Warmest Warmest since: 2007 2015
Ties: 1959, 1966, 1991, 2001
Jan 2008–Dec 2009
24-Month
44.7°F
(7.1°C)
44.5°F
(6.9°C)
0.2°F
(0.2°C)
71st Coolest Coolest since: 1994 1917
55th Warmest Warmest since: 2008 2015
Ties: 1915, 1980, 1994, 2011
Jan 2007–Dec 2009
36-Month
45.1°F
(7.3°C)
44.4°F
(6.9°C)
0.7°F
(0.4°C)
86th Coolest Coolest since: 1995 1913
39th Warmest Warmest since: 2008 2016
Ties: 1960, 1981, 1991, 1995
Jan 2006–Dec 2009
48-Month
45.3°F
(7.4°C)
44.4°F
(6.9°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 1996 1913, 1914, 1919
28th Warmest Warmest since: 2008 2016, 2017
Ties: 1991, 1993, 2013
Jan 2005–Dec 2009
60-Month
45.4°F
(7.4°C)
44.4°F
(6.9°C)
1.0°F
(0.5°C)
99th Coolest Coolest since: 2000 1913
24th Warmest Warmest since: 2008 2018
Ties: 1994, 1996, 2000

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/