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 1999

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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 1999
1-Month
32.8°F
(0.4°C)
28.1°F
(-2.2°C)
4.7°F
(2.6°C)
108th Coolest
Coolest since:
1989
21st Warmest
Warmest since:
2015
Nov–Dec 1999
2-Month
38.8°F
(3.8°C)
33.7°F
(0.9°C)
5.1°F
(2.9°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2015
Ties: 1953, 1990
Oct–Dec 1999
3-Month
42.2°F
(5.7°C)
39.2°F
(4.0°C)
3.0°F
(1.7°C)
112th Coolest
Coolest since:
1917
17th Warmest
Warmest since:
2015
Ties: 1927, 1979
Sep–Dec 1999
4-Month
47.7°F
(8.7°C)
44.4°F
(6.9°C)
3.3°F
(1.8°C)
118th Coolest
Coolest since:
1917
11th Warmest
Warmest since:
2015
Aug–Dec 1999
5-Month
51.9°F
(11.1°C)
49.1°F
(9.5°C)
2.8°F
(1.6°C)
116th Coolest
Coolest since:
1904
13th Warmest
Warmest since:
2015
Jul–Dec 1999
6-Month
55.4°F
(13.0°C)
52.5°F
(11.4°C)
2.9°F
(1.6°C)
119th Coolest
Coolest since:
1904
10th Warmest
Warmest since:
2015
Ties: 1990, 2018
Jun–Dec 1999
7-Month
57.2°F
(14.0°C)
54.2°F
(12.3°C)
3.0°F
(1.7°C)
121st Coolest
Coolest since:
1904
8th Warmest
Warmest to Date
2021
Ties: 2001
May–Dec 1999
8-Month
57.2°F
(14.0°C)
54.4°F
(12.4°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest to Date
2015
Ties: 2018
Apr–Dec 1999
9-Month
56.0°F
(13.3°C)
53.3°F
(11.8°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest to Date
2015
Ties: 2001
Mar–Dec 1999
10-Month
54.1°F
(12.3°C)
51.4°F
(10.8°C)
2.7°F
(1.5°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest to Date
2021
Feb–Dec 1999
11-Month
51.9°F
(11.1°C)
49.0°F
(9.4°C)
2.9°F
(1.7°C)
120th Coolest
Coolest since:
1917
9th Warmest
Warmest since:
2012
Jan–Dec 1999
12-Month
49.8°F
(9.9°C)
46.9°F
(8.3°C)
2.9°F
(1.6°C)
120th Coolest
Coolest since:
1904
9th Warmest
Warmest since:
2012
Jul 1998–Dec 1999
18-Month
51.6°F
(10.9°C)
48.8°F
(9.3°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest to Date
2012
Jan 1998–Dec 1999
24-Month
50.1°F
(10.1°C)
46.9°F
(8.3°C)
3.2°F
(1.8°C)
124th Coolest
Coolest since:
1905
4th Warmest
Warmest to Date
2021
Ties: 2013
Jan 1997–Dec 1999
36-Month
49.2°F
(9.6°C)
46.9°F
(8.3°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1905
10th Warmest
Warmest to Date
2022
Ties: 2000, 2019
Jan 1996–Dec 1999
48-Month
48.7°F
(9.3°C)
46.9°F
(8.3°C)
1.8°F
(1.0°C)
109th Coolest
Coolest since:
1907
17th Warmest
Warmest to Date
2022
Ties: 2009, 2010
Jan 1995–Dec 1999
60-Month
48.5°F
(9.2°C)
46.9°F
(8.3°C)
1.6°F
(0.9°C)
105th Coolest
Coolest since:
1907
20th Warmest
Warmest since:
2022
Ties: 2000, 2006

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