Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. 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, Climate Division 2

December 1937 Palmer Z-Index Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
December 1937
1-Month
-0.50-0.02-0.4854th Driest
Driest since:
1943
77th Wettest
Wettest since:
1901
Nov–Dec 1937
2-Month
1.15-0.131.28108th Driest
Driest since:
2001
23rd Wettest
Wettest since:
1972
Oct–Dec 1937
3-Month
1.14-0.111.25107th Driest
Driest since:
2001
24th Wettest
Wettest since:
2005
Sep–Dec 1937
4-Month
0.92-0.091.01105th Driest
Driest since:
1914
26th Wettest
Wettest since:
2018
Aug–Dec 1937
5-Month
0.88-0.060.94105th Driest
Driest since:
2001
26th Wettest
Wettest since:
2011
Jul–Dec 1937
6-Month
0.51-0.030.5490th Driest
Driest since:
1949
41st Wettest
Wettest since:
2018
Jun–Dec 1937
7-Month
0.57-0.040.6192nd Driest
Driest since:
1949
39th Wettest
Wettest since:
1938
Ties: 1902
May–Dec 1937
8-Month
0.55-0.060.6194th Driest
Driest since:
1964
37th Wettest
Wettest since:
1938
Apr–Dec 1937
9-Month
0.62-0.060.68100th Driest
Driest since:
1964
31st Wettest
Wettest since:
1996
Ties: 1907
Mar–Dec 1937
10-Month
0.56-0.050.61100th Driest
Driest since:
1965
31st Wettest
Wettest since:
1972
Feb–Dec 1937
11-Month
0.39-0.050.4491st Driest
Driest since:
1965
40th Wettest
Wettest since:
2008
Jan–Dec 1937
12-Month
0.47-0.050.5297th Driest
Driest since:
1965
34th Wettest
Wettest since:
2008
Jul 1936–Dec 1937
18-Month
0.40-0.050.4592nd Driest
Driest since:
1965
38th Wettest
Wettest since:
2019
Jan 1936–Dec 1937
24-Month
0.53-0.050.58115th Driest
Driest since:
1965
15th Wettest
Wettest since:
2009
Jan 1935–Dec 1937
36-Month
0.18-0.050.2382nd Driest
Driest since:
1965
47th Wettest
Wettest since:
2010
Jan 1934–Dec 1937
48-Month
0.20-0.050.2583rd Driest
Driest since:
1966
45th Wettest
Wettest since:
2011
Jan 1933–Dec 1937
60-Month
0.21-0.050.2687th Driest
Driest since:
1966
40th Wettest
Wettest since:
2009

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