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 7

December 2019 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 2019
1-Month
1.68-0.111.79115th Driest
Driest since:
1930
16th Wettest
Wettest since:
1972
Nov–Dec 2019
2-Month
2.37-0.082.45124th Driest
Driest since:
1930
7th Wettest
Wettest since:
1959
Oct–Dec 2019
3-Month
2.90-0.052.95129th Driest
Driest since:
1930
2nd Wettest
Wettest since:
1990
Sep–Dec 2019
4-Month
2.39-0.072.46127th Driest
Driest since:
1930
4th Wettest
Wettest since:
1986
Aug–Dec 2019
5-Month
1.57-0.051.62116th Driest
Driest since:
1930
15th Wettest
Wettest since:
1986
Jul–Dec 2019
6-Month
1.300.021.28107th Driest
Driest since:
1930
24th Wettest
Wettest since:
1986
Jun–Dec 2019
7-Month
1.650.021.63119th Driest
Driest since:
1930
12th Wettest
Wettest since:
1986
May–Dec 2019
8-Month
1.750.051.70124th Driest
Driest since:
1930
7th Wettest
Wettest since:
1902
Apr–Dec 2019
9-Month
1.660.071.59123rd Driest
Driest since:
1930
8th Wettest
Wettest since:
1996
Ties: 1992
Mar–Dec 2019
10-Month
1.460.061.40123rd Driest
Driest since:
1930
8th Wettest
Wettest since:
1902
Feb–Dec 2019
11-Month
1.450.061.39124th Driest
Driest since:
1930
7th Wettest
Wettest since:
1996
Jan–Dec 2019
12-Month
1.470.071.40125th Driest
Driest since:
1930
6th Wettest
Wettest since:
1996
Jul 2018–Dec 2019
18-Month
1.070.051.02121st Driest
Driest since:
1931
9th Wettest
Wettest since:
1986
Jan 2018–Dec 2019
24-Month
0.900.060.84121st Driest
Driest since:
1931
9th Wettest
Wettest since:
1986
Jan 2017–Dec 2019
36-Month
0.880.060.82124th Driest
Driest since:
1936
5th Wettest
Wettest since:
1986
Jan 2016–Dec 2019
48-Month
0.710.070.64117th Driest
Driest since:
1936
11th Wettest
Wettest since:
1986
Ties: 1992
Jan 2015–Dec 2019
60-Month
0.590.070.52115th Driest
Driest since:
1934
12th Wettest
Wettest since:
1986
Ties: 2009

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