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, May 2015

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
May 2015
1-Month
61.8°F
(16.6°C)
55.7°F
(13.2°C)
6.1°F
(3.4°C)
128th Coolest
Coolest since:
1917
1st Warmest
Warmest to Date
2015
Apr–May 2015
2-Month
53.6°F
(12.0°C)
50.2°F
(10.1°C)
3.4°F
(1.9°C)
125th Coolest
Coolest since:
1917
4th Warmest
Warmest since:
2010
Ties: 1942
Mar–May 2015
3-Month
45.5°F
(7.5°C)
44.8°F
(7.1°C)
0.7°F
(0.4°C)
77th Coolest
Coolest since:
1967
52nd Warmest
Warmest since:
2012
Ties: 1913, 1919, 1925
Feb–May 2015
4-Month
37.8°F
(3.2°C)
39.9°F
(4.4°C)
-2.1°F
(-1.2°C)
19th Coolest
Coolest since:
1907
110th Warmest
Warmest since:
2012
Ties: 1900
Jan–May 2015
5-Month
34.6°F
(1.4°C)
36.8°F
(2.7°C)
-2.2°F
(-1.3°C)
16th Coolest
Coolest since:
1907
113th Warmest
Warmest since:
2012
Ties: 1895, 1934
Dec 2014–May 2015
6-Month
34.6°F
(1.4°C)
35.3°F
(1.8°C)
-0.7°F
(-0.4°C)
33rd Coolest
Coolest since:
1904
95th Warmest
Warmest since:
2012
Ties: 1927, 1965, 1996
Nov 2014–May 2015
7-Month
35.2°F
(1.8°C)
35.9°F
(2.2°C)
-0.7°F
(-0.4°C)
35th Coolest
Coolest since:
1904, 1905
93rd Warmest
Warmest since:
2012
Ties: 1902, 1922, 1924, 1944, 1959, 1972
Oct 2014–May 2015
8-Month
37.5°F
(3.1°C)
37.7°F
(3.2°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1905
77th Warmest
Warmest since:
2012
Ties: 1909, 1946
Sep 2014–May 2015
9-Month
40.2°F
(4.6°C)
40.1°F
(4.5°C)
0.1°F
(0.1°C)
56th Coolest
Coolest since:
1905
72nd Warmest
Warmest since:
2012
Ties: 1909, 1915
Aug 2014–May 2015
10-Month
42.9°F
(6.1°C)
42.9°F
(6.1°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1905
74th Warmest
Warmest since:
2012
Ties: 1915, 1981, 1987
Jul 2014–May 2015
11-Month
45.5°F
(7.5°C)
45.4°F
(7.4°C)
0.1°F
(0.1°C)
64th Coolest
Coolest since:
1905
64th Warmest
Warmest since:
2012
Ties: 1939, 1964, 1969, 1988
Jun 2014–May 2015
12-Month
47.2°F
(8.4°C)
46.9°F
(8.3°C)
0.3°F
(0.1°C)
70th Coolest
Coolest since:
1904
58th Warmest
Warmest since:
2012
Ties: 1919, 1938, 1939, 1975, 1988, 2005
Dec 2013–May 2015
18-Month
43.1°F
(6.2°C)
43.1°F
(6.2°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1905
69th Warmest
Warmest since:
2017
Ties: 1913, 1956, 1973
Jun 2013–May 2015
24-Month
47.4°F
(8.6°C)
47.0°F
(8.3°C)
0.4°F
(0.3°C)
80th Coolest
Coolest since:
1905
47th Warmest
Warmest since:
2013
Ties: 1981, 1989, 1997
Jun 2012–May 2015
36-Month
48.1°F
(8.9°C)
46.9°F
(8.3°C)
1.2°F
(0.6°C)
97th Coolest
Coolest since:
1906
29th Warmest
Warmest since:
2022
Ties: 1985, 1993
Jun 2011–May 2015
48-Month
49.0°F
(9.4°C)
46.9°F
(8.3°C)
2.1°F
(1.1°C)
115th Coolest
Coolest since:
1907
10th Warmest
Warmest since:
2022
Ties: 2000, 2009, 2017
Jun 2010–May 2015
60-Month
49.0°F
(9.4°C)
46.9°F
(8.3°C)
2.1°F
(1.1°C)
112th Coolest
Coolest since:
1908
12th Warmest
Warmest since:
2020, 2022
Ties: 2018

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