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 1931

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1931
1-Month
24.6°F
(-4.1°C)
21.6°F
(-5.8°C)
3.0°F
(1.7°C)
89th Coolest
Coolest since:
1989
40th Warmest
Warmest since:
2015
Nov–Dec 1931
2-Month
32.0°F
(0.0°C)
28.0°F
(-2.2°C)
4.0°F
(2.2°C)
111th Coolest
Coolest since:
1917
18th Warmest
Warmest to Date
2015
Oct–Dec 1931
3-Month
37.5°F
(3.1°C)
34.0°F
(1.1°C)
3.5°F
(2.0°C)
117th Coolest
Coolest since:
1904, 1917
12th Warmest
Warmest to Date
2015
Ties: 1982
Sep–Dec 1931
4-Month
42.8°F
(6.0°C)
39.6°F
(4.2°C)
3.2°F
(1.8°C)
117th Coolest
Coolest since:
1917
12th Warmest
Warmest to Date
2015
Ties: 1957
Aug–Dec 1931
5-Month
47.1°F
(8.4°C)
44.6°F
(7.0°C)
2.5°F
(1.4°C)
113th Coolest
Coolest since:
1904
16th Warmest
Warmest to Date
2015
Ties: 1948, 2003, 2014
Jul–Dec 1931
6-Month
50.7°F
(10.4°C)
48.2°F
(9.0°C)
2.5°F
(1.4°C)
114th Coolest
Coolest since:
1904
15th Warmest
Warmest to Date
2015
Ties: 1953
Jun–Dec 1931
7-Month
52.2°F
(11.2°C)
50.1°F
(10.1°C)
2.1°F
(1.1°C)
110th Coolest
Coolest since:
1904
19th Warmest
Warmest to Date
2021
Ties: 1961
May–Dec 1931
8-Month
52.4°F
(11.3°C)
50.4°F
(10.2°C)
2.0°F
(1.1°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest to Date
2015
Ties: 2005
Apr–Dec 1931
9-Month
51.3°F
(10.7°C)
49.2°F
(9.6°C)
2.1°F
(1.1°C)
114th Coolest
Coolest since:
1917
15th Warmest
Warmest to Date
2021
Mar–Dec 1931
10-Month
49.3°F
(9.6°C)
47.2°F
(8.4°C)
2.1°F
(1.2°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest to Date
2021
Ties: 1973
Feb–Dec 1931
11-Month
46.6°F
(8.1°C)
44.5°F
(6.9°C)
2.1°F
(1.2°C)
115th Coolest
Coolest since:
1917
14th Warmest
Warmest to Date
2010, 2012
Ties: 2018
Jan–Dec 1931
12-Month
44.1°F
(6.7°C)
42.2°F
(5.7°C)
1.9°F
(1.0°C)
110th Coolest
Coolest since:
1904
19th Warmest
Warmest to Date
2010, 2012
Ties: 2002, 2013
Jul 1930–Dec 1931
18-Month
45.6°F
(7.6°C)
44.2°F
(6.8°C)
1.4°F
(0.8°C)
104th Coolest
Coolest since:
1904
24th Warmest
Warmest to Date
2012
Ties: 1932, 1995, 2005
Jan 1930–Dec 1931
24-Month
43.5°F
(6.4°C)
42.2°F
(5.7°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1905
24th Warmest
Warmest to Date
2021
Ties: 1932, 1950, 1952
Jan 1929–Dec 1931
36-Month
42.8°F
(6.0°C)
42.2°F
(5.7°C)
0.6°F
(0.3°C)
83rd Coolest
Coolest since:
1905, 1906
44th Warmest
Warmest to Date
2012, 2022
Ties: 1938, 1961, 1993
Jan 1928–Dec 1931
48-Month
42.6°F
(5.9°C)
42.2°F
(5.7°C)
0.4°F
(0.2°C)
76th Coolest
Coolest since:
1907
50th Warmest
Warmest to Date
2013
Ties: 1947, 1960, 1975, 1988
Jan 1927–Dec 1931
60-Month
42.5°F
(5.8°C)
42.2°F
(5.7°C)
0.3°F
(0.1°C)
72nd Coolest
Coolest since:
1907
53rd Warmest
Warmest to Date
2013, 2014, 2022
Ties: 1948, 1975, 1981, 1996

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