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 1931 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 1931
1-Month
-2.26-0.06-2.203rd Driest
Driest since:
1977
129th Wettest
Wettest since:
1997
Dec 1930–Jan 1931
2-Month
-2.97-0.12-2.852nd DriestDriest to Date1977
129th Wettest
Wettest since:
1969
Nov 1930–Jan 1931
3-Month
-3.07-0.14-2.933rd Driest
Driest since:
1977
128th Wettest
Wettest since:
1997
Oct 1930–Jan 1931
4-Month
-2.77-0.10-2.675th Driest
Driest since:
1977
126th Wettest
Wettest since:
2020
Sep 1930–Jan 1931
5-Month
-2.56-0.09-2.475th Driest
Driest since:
1977
126th Wettest
Wettest since:
1969
Aug 1930–Jan 1931
6-Month
-2.77-0.11-2.664th Driest
Driest since:
1977
127th Wettest
Wettest since:
1986
Jul 1930–Jan 1931
7-Month
-2.59-0.03-2.565th Driest
Driest since:
1977
126th Wettest
Wettest since:
1983
Jun 1930–Jan 1931
8-Month
-2.02-0.06-1.967th Driest
Driest since:
1977
124th Wettest
Wettest since:
1969
May 1930–Jan 1931
9-Month
-1.71-0.06-1.659th Driest
Driest since:
1977
122nd Wettest
Wettest since:
1969
Apr 1930–Jan 1931
10-Month
-1.69-0.06-1.639th Driest
Driest since:
1977
122nd Wettest
Wettest since:
1969
Mar 1930–Jan 1931
11-Month
-1.67-0.06-1.616th Driest
Driest since:
1977
125th Wettest
Wettest since:
1952
Feb 1930–Jan 1931
12-Month
-1.46-0.05-1.417th Driest
Driest since:
1911
124th Wettest
Wettest since:
1952
Aug 1929–Jan 1931
18-Month
-1.18-0.07-1.117th Driest
Driest since:
1911
123rd Wettest
Wettest since:
2020
Feb 1929–Jan 1931
24-Month
-0.82-0.05-0.7715th Driest
Driest since:
1999
115th Wettest
Wettest since:
1905
Feb 1928–Jan 1931
36-Month
-0.26-0.05-0.2150th Driest
Driest since:
1911
79th Wettest
Wettest since:
2020
Ties: 1899
Feb 1927–Jan 1931
48-Month
-0.15-0.04-0.1154th Driest
Driest since:
1911
74th Wettest
Wettest since:
2020
Feb 1926–Jan 1931
60-Month
0.11-0.040.1588th Driest
Driest since:
2010
39th Wettest
Wettest since:
2021

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