Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Massachusetts

Average Temperature Rankings, December 2015

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2015
1-Month
41.8°F
(5.4°C)
28.1°F
(-2.2°C)
13.7°F
(7.6°C)
128th Coolest
Coolest since:
1989
1st Warmest
Warmest to Date
2015
Nov–Dec 2015
2-Month
43.2°F
(6.2°C)
33.6°F
(0.9°C)
9.6°F
(5.3°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Oct–Dec 2015
3-Month
45.5°F
(7.5°C)
39.1°F
(3.9°C)
6.4°F
(3.6°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Sep–Dec 2015
4-Month
50.7°F
(10.4°C)
44.4°F
(6.9°C)
6.3°F
(3.5°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Aug–Dec 2015
5-Month
54.8°F
(12.7°C)
49.1°F
(9.5°C)
5.7°F
(3.2°C)
128th Coolest
Coolest since:
1904
1st Warmest
Warmest to Date
2015
Jul–Dec 2015
6-Month
57.5°F
(14.2°C)
52.5°F
(11.4°C)
5.0°F
(2.8°C)
128th Coolest
Coolest since:
1904
1st Warmest
Warmest to Date
2015
Jun–Dec 2015
7-Month
58.4°F
(14.7°C)
54.2°F
(12.3°C)
4.2°F
(2.4°C)
127th Coolest
Coolest since:
1904
2nd Warmest
Warmest to Date
2021
May–Dec 2015
8-Month
58.8°F
(14.9°C)
54.4°F
(12.4°C)
4.4°F
(2.5°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Apr–Dec 2015
9-Month
57.3°F
(14.1°C)
53.3°F
(11.8°C)
4.0°F
(2.3°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Mar–Dec 2015
10-Month
54.5°F
(12.5°C)
51.4°F
(10.8°C)
3.1°F
(1.7°C)
122nd Coolest
Coolest since:
1917
7th Warmest
Warmest since:
2021
Feb–Dec 2015
11-Month
50.9°F
(10.5°C)
49.0°F
(9.4°C)
1.9°F
(1.1°C)
110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
2012
Ties: 1931, 1973, 2002
Jan–Dec 2015
12-Month
48.5°F
(9.2°C)
47.0°F
(8.3°C)
1.5°F
(0.9°C)
106th Coolest
Coolest since:
1904
23rd Warmest
Warmest since:
2012
Ties: 1983, 2019
Jul 2014–Dec 2015
18-Month
50.5°F
(10.3°C)
48.8°F
(9.3°C)
1.7°F
(1.0°C)
108th Coolest
Coolest since:
1904
20th Warmest
Warmest since:
2012
Ties: 2008
Jan 2014–Dec 2015
24-Month
48.1°F
(8.9°C)
46.9°F
(8.3°C)
1.2°F
(0.6°C)
96th Coolest
Coolest since:
1905
32nd Warmest
Warmest since:
2021
Ties: 1932
Jan 2013–Dec 2015
36-Month
48.3°F
(9.1°C)
46.9°F
(8.3°C)
1.4°F
(0.8°C)
102nd Coolest
Coolest since:
1905
25th Warmest
Warmest since:
2022
Ties: 1951, 1998
Jan 2012–Dec 2015
48-Month
49.1°F
(9.5°C)
46.9°F
(8.3°C)
2.2°F
(1.2°C)
116th Coolest
Coolest since:
1907
10th Warmest
Warmest since:
2022
Ties: 2011
Jan 2011–Dec 2015
60-Month
49.2°F
(9.6°C)
46.9°F
(8.3°C)
2.3°F
(1.3°C)
116th Coolest
Coolest since:
1907
9th Warmest
Warmest since:
2022
Ties: 2002

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