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 2020

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  • Record Warmest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 2020
1-Month
28.8°F
(-1.8°C)
21.6°F
(-5.8°C)
7.2°F
(4.0°C)
119th Coolest
Coolest since:
1989
10th Warmest
Warmest since:
2015
Nov–Dec 2020
2-Month
34.0°F
(1.1°C)
28.0°F
(-2.2°C)
6.0°F
(3.3°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Oct–Dec 2020
3-Month
38.3°F
(3.5°C)
34.0°F
(1.1°C)
4.3°F
(2.4°C)
121st Coolest
Coolest since:
1904, 1917
8th Warmest
Warmest since:
2015
Sep–Dec 2020
4-Month
43.4°F
(6.3°C)
39.6°F
(4.2°C)
3.8°F
(2.1°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Ties: 1953, 1999
Aug–Dec 2020
5-Month
48.1°F
(8.9°C)
44.6°F
(7.0°C)
3.5°F
(1.9°C)
123rd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2015
Jul–Dec 2020
6-Month
51.9°F
(11.1°C)
48.2°F
(9.0°C)
3.7°F
(2.1°C)
124th Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2015
Jun–Dec 2020
7-Month
53.6°F
(12.0°C)
50.1°F
(10.1°C)
3.5°F
(1.9°C)
124th Coolest
Coolest since:
1904
5th Warmest
Warmest since:
2021
Ties: 2001
May–Dec 2020
8-Month
53.5°F
(11.9°C)
50.4°F
(10.2°C)
3.1°F
(1.7°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2015
Apr–Dec 2020
9-Month
51.9°F
(11.1°C)
49.2°F
(9.6°C)
2.7°F
(1.5°C)
119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2021
Ties: 1998
Mar–Dec 2020
10-Month
50.1°F
(10.1°C)
47.2°F
(8.4°C)
2.9°F
(1.7°C)
121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2021
Feb–Dec 2020
11-Month
47.7°F
(8.7°C)
44.5°F
(6.9°C)
3.2°F
(1.8°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2010, 2012
Jan–Dec 2020
12-Month
45.8°F
(7.7°C)
42.2°F
(5.7°C)
3.6°F
(2.0°C)
125th Coolest
Coolest since:
1904
4th Warmest
Warmest since:
2010, 2012
Ties: 2006
Jul 2019–Dec 2020
18-Month
47.1°F
(8.4°C)
44.2°F
(6.8°C)
2.9°F
(1.6°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Jan 2019–Dec 2020
24-Month
44.4°F
(6.9°C)
42.2°F
(5.7°C)
2.2°F
(1.2°C)
116th Coolest
Coolest since:
1905
12th Warmest
Warmest since:
2021
Ties: 1953, 2002, 2007, 2018
Jan 2018–Dec 2020
36-Month
44.3°F
(6.8°C)
42.2°F
(5.7°C)
2.1°F
(1.1°C)
115th Coolest
Coolest since:
1905, 1906
12th Warmest
Warmest since:
2012, 2022
Ties: 2007, 2010
Jan 2017–Dec 2020
48-Month
44.4°F
(6.9°C)
42.2°F
(5.7°C)
2.2°F
(1.2°C)
118th Coolest
Coolest since:
1907
8th Warmest
Warmest since:
2013
Ties: 2018
Jan 2016–Dec 2020
60-Month
44.6°F
(7.0°C)
42.2°F
(5.7°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1907
6th Warmest
Warmest since:
2013, 2014, 2022
Ties: 2002

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