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 2

February 1971 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
February 1971
1-Month
2.73-0.152.88128th Driest
Driest since:
1993
4th Wettest
Wettest since:
2019
Jan–Feb 1971
2-Month
2.91-0.062.97130th Driest
Driest since:
1931
2nd WettestWettest to Date2019
Dec 1970–Feb 1971
3-Month
2.02-0.132.15129th Driest
Driest since:
1931
2nd WettestWettest to Date2016
Nov 1970–Feb 1971
4-Month
1.70-0.151.85128th Driest
Driest since:
1931
3rd Wettest
Wettest since:
1897
Oct 1970–Feb 1971
5-Month
1.94-0.102.04126th Driest
Driest since:
1931
5th Wettest
Wettest since:
1897
Sep 1970–Feb 1971
6-Month
2.36-0.102.46129th Driest
Driest since:
1931
2nd Wettest
Wettest since:
1897
Aug 1970–Feb 1971
7-Month
1.66-0.121.78127th Driest
Driest since:
1931
4th Wettest
Wettest since:
1897
Jul 1970–Feb 1971
8-Month
1.84-0.061.90129th Driest
Driest since:
1931
2nd Wettest
Wettest since:
1897
Jun 1970–Feb 1971
9-Month
1.24-0.081.32122nd Driest
Driest since:
1931
9th Wettest
Wettest since:
1897
Ties: 1901
May 1970–Feb 1971
10-Month
1.54-0.071.61128th Driest
Driest since:
1931
3rd Wettest
Wettest since:
1897
Apr 1970–Feb 1971
11-Month
1.28-0.061.34125th Driest
Driest since:
1931
6th Wettest
Wettest since:
1897
Mar 1970–Feb 1971
12-Month
1.07-0.061.13122nd Driest
Driest since:
1931
9th Wettest
Wettest since:
1897
Sep 1969–Feb 1971
18-Month
0.53-0.080.61104th Driest
Driest since:
1964
26th Wettest
Wettest since:
2020
Mar 1969–Feb 1971
24-Month
0.46-0.060.52104th Driest
Driest since:
1964
26th Wettest
Wettest since:
2021
Mar 1968–Feb 1971
36-Month
0.63-0.060.69119th Driest
Driest since:
1911
10th Wettest
Wettest since:
2020
Mar 1967–Feb 1971
48-Month
0.44-0.050.49107th Driest
Driest since:
2001
21st Wettest
Wettest since:
2021
Ties: 1969
Mar 1966–Feb 1971
60-Month
0.38-0.050.43108th Driest
Driest since:
1911
19th Wettest
Wettest since:
2021
Ties: 1962

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