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 4

December 2022 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 2022
1-Month
-1.17-0.24-0.9338th Driest
Driest since:
1930
93rd Wettest
Wettest since:
1972
Nov–Dec 2022
2-Month
-1.86-0.22-1.6425th Driest
Driest since:
1930
106th Wettest
Wettest since:
2019
Oct–Dec 2022
3-Month
-1.39-0.18-1.2134th Driest
Driest since:
1930
97th Wettest
Wettest since:
2019
Sep–Dec 2022
4-Month
-1.79-0.24-1.5520th Driest
Driest since:
1908
111th Wettest
Wettest since:
2019
Aug–Dec 2022
5-Month
-1.44-0.22-1.2222nd Driest
Driest since:
1930
109th Wettest
Wettest since:
2014
Jul–Dec 2022
6-Month
-1.45-0.17-1.2820th Driest
Driest since:
1930
111th Wettest
Wettest since:
2014
Jun–Dec 2022
7-Month
-1.28-0.16-1.1221st Driest
Driest since:
1908
110th Wettest
Wettest since:
1986
May–Dec 2022
8-Month
-1.36-0.13-1.2317th Driest
Driest since:
1955
114th Wettest
Wettest since:
2019
Apr–Dec 2022
9-Month
-1.02-0.10-0.9220th Driest
Driest since:
1955
111th Wettest
Wettest since:
2014
Ties: 1963
Mar–Dec 2022
10-Month
-0.45-0.09-0.3642nd Driest
Driest since:
1955
89th Wettest
Wettest since:
2014
Feb–Dec 2022
11-Month
-0.43-0.08-0.3538th Driest
Driest since:
1955
93rd Wettest
Wettest since:
2019
Jan–Dec 2022
12-Month
-0.53-0.08-0.4528th Driest
Driest since:
1955
103rd Wettest
Wettest since:
2019
Ties: 1946, 2002, 2012
Jul 2021–Dec 2022
18-Month
-0.08-0.100.0257th Driest
Driest since:
1914
73rd Wettest
Wettest since:
1985
Jan 2021–Dec 2022
24-Month
-0.36-0.07-0.2933rd Driest
Driest since:
1914
97th Wettest
Wettest since:
2020
Ties: 1919, 1930
Jan 2020–Dec 2022
36-Month
0.05-0.060.1171st Driest
Driest since:
1910
58th Wettest
Wettest since:
2019
Ties: 1944
Jan 2019–Dec 2022
48-Month
0.42-0.050.47107th Driest
Driest since:
1911
21st Wettest
Wettest since:
2020
Jan 2018–Dec 2022
60-Month
0.37-0.050.42106th Driest
Driest since:
1914
21st Wettest
Wettest since:
2021

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