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 2019. For more information, please see Climatological Rankings.


Mid-Atlantic Basin

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Warmest/Coolest
Since
Record
December 2009
1-Month
31.0°F
(-0.6°C)
30.9°F
(-0.6°C)
0.1°F
(0.0°C)
58th Coolest Coolest since: 2005 1989
67th Warmest Warmest since: 2008 2015
Ties: 1975
Nov–Dec 2009
2-Month
38.6°F
(3.7°C)
36.0°F
(2.2°C)
2.6°F
(1.5°C)
101st Coolest Coolest since: 2008 1917
24th Warmest Warmest since: 2006 2015
Ties: 1971, 2004, 2012
Oct–Dec 2009
3-Month
42.8°F
(6.0°C)
41.5°F
(5.3°C)
1.3°F
(0.7°C)
86th Coolest Coolest since: 2008 1917
39th Warmest Warmest since: 2007 2015
Ties: 1920, 1970
Sep–Dec 2009
4-Month
47.8°F
(8.8°C)
47.0°F
(8.3°C)
0.8°F
(0.5°C)
82nd Coolest Coolest since: 2008 1917
43rd Warmest Warmest since: 2007 2015
Ties: 1922, 1949
Aug–Dec 2009
5-Month
52.7°F
(11.5°C)
51.6°F
(10.9°C)
1.1°F
(0.6°C)
94th Coolest Coolest since: 2008 1917
31st Warmest Warmest since: 2007 2015
Ties: 1979
Jul–Dec 2009
6-Month
55.5°F
(13.1°C)
55.0°F
(12.8°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 2008 1917
48th Warmest Warmest since: 2007 2015
Ties: 1912, 1928
Jun–Dec 2009
7-Month
57.1°F
(13.9°C)
56.7°F
(13.7°C)
0.4°F
(0.2°C)
72nd Coolest Coolest since: 2000 1917
53rd Warmest Warmest since: 2008 2015
Ties: 1922, 1930, 1932, 1939, 1947, 1979, 1993
May–Dec 2009
8-Month
57.5°F
(14.2°C)
57.1°F
(13.9°C)
0.4°F
(0.3°C)
75th Coolest Coolest since: 2008 1917
50th Warmest Warmest since: 2008 2015
Ties: 1896, 1906, 1913, 1952, 1979, 1985, 1986, 1993, 2008
Apr–Dec 2009
9-Month
56.8°F
(13.8°C)
56.1°F
(13.4°C)
0.7°F
(0.4°C)
87th Coolest Coolest since: 2003 1917
38th Warmest Warmest since: 2008 2015
Ties: 1911, 1942, 1948, 1986
Mar–Dec 2009
10-Month
55.0°F
(12.8°C)
54.3°F
(12.4°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2003 1917
41st Warmest Warmest since: 2008 2012
Ties: 1922, 1955, 1979, 2003, 2013
Feb–Dec 2009
11-Month
53.0°F
(11.7°C)
52.0°F
(11.1°C)
1.0°F
(0.6°C)
98th Coolest Coolest since: 2008 1917
27th Warmest Warmest since: 2008 2012
Ties: 1977, 1985, 2008
Jan–Dec 2009
12-Month
50.6°F
(10.3°C)
50.0°F
(10.0°C)
0.6°F
(0.3°C)
88th Coolest Coolest since: 2003 1904, 1917
37th Warmest Warmest since: 2008 2012
Ties: 1930, 1939, 1941, 1954, 1985, 1986
Jul 2008–Dec 2009
18-Month
52.2°F
(11.2°C)
51.7°F
(10.9°C)
0.5°F
(0.3°C)
85th Coolest Coolest since: 2003 1904
39th Warmest Warmest since: 2008 2012
Ties: 1939, 1946, 1952, 1987, 2001
Jan 2008–Dec 2009
24-Month
50.9°F
(10.5°C)
50.0°F
(10.0°C)
0.9°F
(0.5°C)
96th Coolest Coolest since: 2004 1905
28th Warmest Warmest since: 2008 2012
Ties: 1950
Jan 2007–Dec 2009
36-Month
51.1°F
(10.6°C)
49.9°F
(9.9°C)
1.2°F
(0.7°C)
101st Coolest Coolest since: 2005 1905
22nd Warmest Warmest since: 2008 2012
Ties: 1953, 1955, 2004
Jan 2006–Dec 2009
48-Month
51.5°F
(10.8°C)
49.9°F
(9.9°C)
1.6°F
(0.9°C)
112th Coolest Coolest since: 2006 1907
10th Warmest Warmest since: 2008 2013
Ties: 2002, 2015
Jan 2005–Dec 2009
60-Month
51.5°F
(10.8°C)
49.9°F
(9.9°C)
1.6°F
(0.9°C)
110th Coolest Coolest since: 2007 1907
11th Warmest Warmest since: 2008 2012, 2013
Ties: 2006, 2017

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2019, retrieved on September 21, 2019 from https://www.ncdc.noaa.gov/cag/