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.

Michigan, Climate Division 1

January 1921 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
January 1921
1-Month
-1.51-0.06-1.4514th Driest
Driest since:
1977
118th Wettest
Wettest since:
1997
Dec 1920–Jan 1921
2-Month
-0.21-0.12-0.0959th Driest
Driest since:
1977
72nd Wettest
Wettest since:
1969
Nov 1920–Jan 1921
3-Month
-0.75-0.14-0.6139th Driest
Driest since:
1977
92nd Wettest
Wettest since:
1997
Oct 1920–Jan 1921
4-Month
-1.29-0.10-1.1924th Driest
Driest since:
1977
107th Wettest
Wettest since:
2020
Sep 1920–Jan 1921
5-Month
-1.52-0.09-1.4317th Driest
Driest since:
1977
114th Wettest
Wettest since:
1969
Aug 1920–Jan 1921
6-Month
-1.40-0.11-1.2920th Driest
Driest since:
1977
111th Wettest
Wettest since:
1986
Jul 1920–Jan 1921
7-Month
-0.88-0.03-0.8526th Driest
Driest since:
1977
105th Wettest
Wettest since:
1983
Ties: 1898
Jun 1920–Jan 1921
8-Month
-0.59-0.06-0.5338th Driest
Driest since:
1977
93rd Wettest
Wettest since:
1969
May 1920–Jan 1921
9-Month
-0.84-0.06-0.7829th Driest
Driest since:
1977
102nd Wettest
Wettest since:
1969
Apr 1920–Jan 1921
10-Month
-0.66-0.06-0.6034th Driest
Driest since:
1977
97th Wettest
Wettest since:
1969
Mar 1920–Jan 1921
11-Month
-0.50-0.06-0.4439th Driest
Driest since:
1977
92nd Wettest
Wettest since:
1952
Ties: 1903
Feb 1920–Jan 1921
12-Month
-0.55-0.05-0.5035th Driest
Driest since:
1911
96th Wettest
Wettest since:
1952
Aug 1919–Jan 1921
18-Month
-0.49-0.07-0.4240th Driest
Driest since:
1911
90th Wettest
Wettest since:
2020
Feb 1919–Jan 1921
24-Month
-0.47-0.05-0.4239th Driest
Driest since:
1999
91st Wettest
Wettest since:
1905
Feb 1918–Jan 1921
36-Month
-0.43-0.05-0.3834th Driest
Driest since:
1911
95th Wettest
Wettest since:
2020
Feb 1917–Jan 1921
48-Month
-0.42-0.04-0.3829th Driest
Driest since:
1911
99th Wettest
Wettest since:
2020
Feb 1916–Jan 1921
60-Month
-0.25-0.04-0.2139th Driest
Driest since:
2010
88th Wettest
Wettest since:
2021

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