Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

New England Basin

Average Temperature Rankings, December 2011

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2011
1-Month		29.0°F
(-1.7°C)		21.6°F
(-5.8°C)		7.4°F
(4.1°C)		122nd Coolest
Coolest since:
1989
7th Warmest
Warmest since:
2015
Ties: 1923, 2022
Nov–Dec 2011
2-Month		34.9°F
(1.6°C)		28.0°F
(-2.2°C)		6.9°F
(3.8°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2015
Oct–Dec 2011
3-Month		39.5°F
(4.2°C)		34.0°F
(1.1°C)		5.5°F
(3.1°C)		127th Coolest
Coolest since:
1904, 1917
2nd Warmest
Warmest since:
2015
Ties: 2001
Sep–Dec 2011
4-Month		44.9°F
(7.2°C)		39.6°F
(4.2°C)		5.3°F
(3.0°C)		127th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2015
Aug–Dec 2011
5-Month		49.2°F
(9.6°C)		44.6°F
(7.0°C)		4.6°F
(2.6°C)		126th Coolest
Coolest since:
1904
3rd Warmest
Warmest since:
2015
Ties: 2001, 2022
Jul–Dec 2011
6-Month		52.5°F
(11.4°C)		48.2°F
(9.0°C)		4.3°F
(2.4°C)		127th Coolest
Coolest since:
1904
2nd Warmest
Warmest to Date
2015
Ties: 2022
Jun–Dec 2011
7-Month		53.8°F
(12.1°C)		50.1°F
(10.1°C)		3.7°F
(2.0°C)		126th Coolest
Coolest since:
1904
3rd Warmest
Warmest to Date
2021
Ties: 2022
May–Dec 2011
8-Month		53.9°F
(12.2°C)		50.4°F
(10.2°C)		3.5°F
(2.0°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest to Date
2015
Apr–Dec 2011
9-Month		52.6°F
(11.4°C)		49.2°F
(9.6°C)		3.4°F
(1.8°C)		125th Coolest
Coolest since:
1917
4th Warmest
Warmest to Date
2021
Mar–Dec 2011
10-Month		50.3°F
(10.2°C)		47.2°F
(8.4°C)		3.1°F
(1.8°C)		123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2021
Feb–Dec 2011
11-Month		47.4°F
(8.6°C)		44.5°F
(6.9°C)		2.9°F
(1.7°C)		119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2010, 2012
Jan–Dec 2011
12-Month		44.9°F
(7.2°C)		42.2°F
(5.7°C)		2.7°F
(1.5°C)		118th Coolest
Coolest since:
1904
11th Warmest
Warmest since:
2010, 2012
Jul 2010–Dec 2011
18-Month		46.9°F
(8.3°C)		44.2°F
(6.8°C)		2.7°F
(1.5°C)		119th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Ties: 2017
Jan 2010–Dec 2011
24-Month		45.6°F
(7.6°C)		42.2°F
(5.7°C)		3.4°F
(1.9°C)		125th Coolest
Coolest since:
1905
3rd Warmest
Warmest since:
2021
Ties: 1999, 2012
Jan 2009–Dec 2011
36-Month		44.7°F
(7.1°C)		42.2°F
(5.7°C)		2.5°F
(1.4°C)		121st Coolest
Coolest since:
1905, 1906
6th Warmest
Warmest since:
2012, 2022
Ties: 2000
Jan 2008–Dec 2011
48-Month		44.5°F
(6.9°C)		42.2°F
(5.7°C)		2.3°F
(1.2°C)		119th Coolest
Coolest since:
1907
7th Warmest
Warmest since:
2013
Jan 2007–Dec 2011
60-Month		44.2°F
(6.8°C)		42.2°F
(5.7°C)		2.0°F
(1.1°C)		114th Coolest
Coolest since:
1907
11th Warmest
Warmest since:
2013, 2014, 2022
Ties: 2001, 2017, 2018, 2019

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