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 1948 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 1948
1-Month
-1.11-0.02-1.0933rd Driest
Driest since:
1943
98th Wettest
Wettest since:
1901
Nov–Dec 1948
2-Month
-0.08-0.130.0563rd Driest
Driest since:
2001
68th Wettest
Wettest since:
1972
Oct–Dec 1948
3-Month
-0.41-0.11-0.3050th Driest
Driest since:
2001
81st Wettest
Wettest since:
2005
Sep–Dec 1948
4-Month
-1.02-0.09-0.9325th Driest
Driest since:
1914
106th Wettest
Wettest since:
2018
Aug–Dec 1948
5-Month
-1.09-0.06-1.0320th Driest
Driest since:
2001
111th Wettest
Wettest since:
2011
Jul–Dec 1948
6-Month
-0.66-0.03-0.6334th Driest
Driest since:
1949
97th Wettest
Wettest since:
2018
Jun–Dec 1948
7-Month
-0.28-0.04-0.2450th Driest
Driest since:
1949
81st Wettest
Wettest since:
1938
Ties: 1926
May–Dec 1948
8-Month
0.12-0.060.1870th Driest
Driest since:
1964
61st Wettest
Wettest since:
1938
Apr–Dec 1948
9-Month
0.01-0.060.0769th Driest
Driest since:
1964
62nd Wettest
Wettest since:
1996
Ties: 1946
Mar–Dec 1948
10-Month
-0.04-0.050.0162nd Driest
Driest since:
1965
69th Wettest
Wettest since:
1972
Feb–Dec 1948
11-Month
-0.14-0.05-0.0954th Driest
Driest since:
1965
77th Wettest
Wettest since:
2008
Jan–Dec 1948
12-Month
-0.12-0.05-0.0757th Driest
Driest since:
1965
74th Wettest
Wettest since:
2008
Jul 1947–Dec 1948
18-Month
-0.25-0.05-0.2041st Driest
Driest since:
1965
89th Wettest
Wettest since:
2019
Jan 1947–Dec 1948
24-Month
-0.23-0.05-0.1836th Driest
Driest since:
1965
94th Wettest
Wettest since:
2009
Jan 1946–Dec 1948
36-Month
-0.25-0.05-0.2032nd Driest
Driest since:
1965
97th Wettest
Wettest since:
2010
Ties: 1944
Jan 1945–Dec 1948
48-Month
-0.05-0.050.0052nd Driest
Driest since:
1966
76th Wettest
Wettest since:
2011
Ties: 1945
Jan 1944–Dec 1948
60-Month
-0.12-0.05-0.0742nd Driest
Driest since:
1966
85th Wettest
Wettest since:
2009
Ties: 1941

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