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 10

December 1981 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 1981
1-Month
0.24-0.120.3676th Driest
Driest since:
1930
55th Wettest
Wettest since:
1967
Nov–Dec 1981
2-Month
0.40-0.080.4872nd Driest
Driest since:
1930
59th Wettest
Wettest since:
1992
Ties: 1928
Oct–Dec 1981
3-Month
1.83-0.031.86115th Driest
Driest since:
1963
16th Wettest
Wettest since:
1990
Sep–Dec 1981
4-Month
3.020.003.02130th Driest
Driest since:
1963
1st WettestWettest to Date1981
Aug–Dec 1981
5-Month
2.57-0.012.58129th Driest
Driest since:
1930
2nd WettestWettest to Date1992
Jul–Dec 1981
6-Month
2.490.022.47128th Driest
Driest since:
1930
3rd WettestWettest to Date1992
Jun–Dec 1981
7-Month
2.200.022.18125th Driest
Driest since:
1930
6th Wettest
Wettest since:
2021
May–Dec 1981
8-Month
1.970.031.94126th Driest
Driest since:
1934
5th Wettest
Wettest since:
2000
Apr–Dec 1981
9-Month
1.910.031.88127th Driest
Driest since:
1934
4th WettestWettest to Date2000
Mar–Dec 1981
10-Month
1.490.021.47125th Driest
Driest since:
1934
6th WettestWettest to Date2011
Feb–Dec 1981
11-Month
1.510.021.49128th Driest
Driest since:
1934
3rd WettestWettest to Date2011
Jan–Dec 1981
12-Month
1.290.031.26124th Driest
Driest since:
1934
7th Wettest
Wettest since:
2011
Jul 1980–Dec 1981
18-Month
1.430.021.41129th Driest
Driest since:
1931
1st WettestWettest to Date1981, 1986
Jan 1980–Dec 1981
24-Month
1.170.021.15126th Driest
Driest since:
1931
4th Wettest
Wettest since:
1951
Jan 1979–Dec 1981
36-Month
0.860.020.84124th Driest
Driest since:
1964
5th Wettest
Wettest since:
1951
Jan 1978–Dec 1981
48-Month
0.500.020.48107th Driest
Driest since:
1934
21st Wettest
Wettest since:
2011
Jan 1977–Dec 1981
60-Month
0.390.020.3797th Driest
Driest since:
1934
30th Wettest
Wettest since:
1951

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