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 1920 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 1920
1-Month
1.65-0.111.76113th Driest
Driest since:
1930
18th Wettest
Wettest since:
1972
Nov–Dec 1920
2-Month
0.76-0.080.8490th Driest
Driest since:
1930
41st Wettest
Wettest since:
1959
Oct–Dec 1920
3-Month
0.03-0.050.0864th Driest
Driest since:
1930
67th Wettest
Wettest since:
1990
Sep–Dec 1920
4-Month
-0.35-0.07-0.2860th Driest
Driest since:
1930
71st Wettest
Wettest since:
1986
Aug–Dec 1920
5-Month
-0.32-0.05-0.2762nd Driest
Driest since:
1930
69th Wettest
Wettest since:
1986
Jul–Dec 1920
6-Month
-0.080.02-0.1062nd Driest
Driest since:
1930
69th Wettest
Wettest since:
1986
Jun–Dec 1920
7-Month
0.100.020.0872nd Driest
Driest since:
1930
59th Wettest
Wettest since:
1986
May–Dec 1920
8-Month
-0.130.05-0.1855th Driest
Driest since:
1930
76th Wettest
Wettest since:
1902
Apr–Dec 1920
9-Month
0.040.07-0.0365th Driest
Driest since:
1930
66th Wettest
Wettest since:
1996
Mar–Dec 1920
10-Month
0.070.060.0163rd Driest
Driest since:
1930
68th Wettest
Wettest since:
1902
Feb–Dec 1920
11-Month
-0.050.06-0.1157th Driest
Driest since:
1930
74th Wettest
Wettest since:
1996
Jan–Dec 1920
12-Month
-0.190.07-0.2647th Driest
Driest since:
1930
84th Wettest
Wettest since:
1996
Ties: 1896, 1916
Jul 1919–Dec 1920
18-Month
-0.440.05-0.4924th Driest
Driest since:
1931
106th Wettest
Wettest since:
1986
Jan 1919–Dec 1920
24-Month
-0.340.06-0.4026th Driest
Driest since:
1931
104th Wettest
Wettest since:
1986
Jan 1918–Dec 1920
36-Month
-0.370.06-0.4317th DriestDriest to Date1936
112th Wettest
Wettest since:
1986
Jan 1917–Dec 1920
48-Month
-0.210.07-0.2828th Driest
Driest since:
1936
100th Wettest
Wettest since:
1986
Ties: 1919
Jan 1916–Dec 1920
60-Month
-0.210.07-0.2823rd DriestDriest to Date1934
104th Wettest
Wettest since:
1986

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