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 2018 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 2018
1-Month
0.78-0.120.9089th Driest
Driest since:
1930
42nd Wettest
Wettest since:
1967
Nov–Dec 2018
2-Month
1.16-0.081.2496th Driest
Driest since:
1930
35th Wettest
Wettest since:
1992
Oct–Dec 2018
3-Month
1.46-0.031.49106th Driest
Driest since:
1963
25th Wettest
Wettest since:
1990
Sep–Dec 2018
4-Month
1.130.001.1398th Driest
Driest since:
1963
33rd Wettest
Wettest since:
1981
Aug–Dec 2018
5-Month
0.90-0.010.9197th Driest
Driest since:
1930
34th Wettest
Wettest since:
1992
Jul–Dec 2018
6-Month
0.510.020.4986th Driest
Driest since:
1930
45th Wettest
Wettest since:
1992
Ties: 1983
Jun–Dec 2018
7-Month
0.330.020.3174th Driest
Driest since:
1930
57th Wettest
Wettest since:
2021
Ties: 1954, 1979
May–Dec 2018
8-Month
0.500.030.4780th Driest
Driest since:
1934
51st Wettest
Wettest since:
2000
Apr–Dec 2018
9-Month
0.600.030.5785th Driest
Driest since:
1934
46th Wettest
Wettest since:
2000
Ties: 1912, 1961
Mar–Dec 2018
10-Month
0.530.020.5187th Driest
Driest since:
1934
44th Wettest
Wettest since:
2011
Feb–Dec 2018
11-Month
0.820.020.80105th Driest
Driest since:
1934
26th Wettest
Wettest since:
2011
Jan–Dec 2018
12-Month
0.770.030.74104th Driest
Driest since:
1934
27th Wettest
Wettest since:
2011
Jul 2017–Dec 2018
18-Month
0.490.020.4790th Driest
Driest since:
1931
40th Wettest
Wettest since:
1981, 1986
Jan 2017–Dec 2018
24-Month
0.610.020.59106th Driest
Driest since:
1931
24th Wettest
Wettest since:
1951
Jan 2016–Dec 2018
36-Month
0.420.020.4096th Driest
Driest since:
1964
33rd Wettest
Wettest since:
1951
Ties: 1907
Jan 2015–Dec 2018
48-Month
0.280.020.2683rd Driest
Driest since:
1934
45th Wettest
Wettest since:
2011
Jan 2014–Dec 2018
60-Month
0.360.020.3493rd Driest
Driest since:
1934
34th Wettest
Wettest since:
1951

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