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 1971 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 1971
1-Month
2.10-0.112.21120th Driest
Driest since:
1930
11th Wettest
Wettest since:
1972
Nov–Dec 1971
2-Month
-0.33-0.08-0.2552nd Driest
Driest since:
1930
79th Wettest
Wettest since:
1959
Oct–Dec 1971
3-Month
-0.93-0.05-0.8837th Driest
Driest since:
1930
94th Wettest
Wettest since:
1990
Sep–Dec 1971
4-Month
-1.15-0.07-1.0827th Driest
Driest since:
1930
104th Wettest
Wettest since:
1986
Ties: 1924
Aug–Dec 1971
5-Month
-1.00-0.05-0.9530th Driest
Driest since:
1930
101st Wettest
Wettest since:
1986
Jul–Dec 1971
6-Month
-1.010.02-1.0322nd Driest
Driest since:
1930
109th Wettest
Wettest since:
1986
Jun–Dec 1971
7-Month
-1.290.02-1.3113th Driest
Driest since:
1930
118th Wettest
Wettest since:
1986
May–Dec 1971
8-Month
-1.310.05-1.368th Driest
Driest since:
1930
123rd Wettest
Wettest since:
1902
Apr–Dec 1971
9-Month
-1.370.07-1.447th Driest
Driest since:
1930
124th Wettest
Wettest since:
1996
Mar–Dec 1971
10-Month
-1.200.06-1.269th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1902
Feb–Dec 1971
11-Month
-1.000.06-1.0611th Driest
Driest since:
1930
120th Wettest
Wettest since:
1996
Jan–Dec 1971
12-Month
-0.980.07-1.059th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1996
Jul 1970–Dec 1971
18-Month
-0.330.05-0.3833rd Driest
Driest since:
1931
97th Wettest
Wettest since:
1986
Ties: 1925
Jan 1970–Dec 1971
24-Month
-0.400.06-0.4618th Driest
Driest since:
1931
112th Wettest
Wettest since:
1986
Jan 1969–Dec 1971
36-Month
-0.300.06-0.3625th Driest
Driest since:
1936
104th Wettest
Wettest since:
1986
Jan 1968–Dec 1971
48-Month
-0.240.07-0.3123rd Driest
Driest since:
1936
105th Wettest
Wettest since:
1986
Ties: 1916
Jan 1967–Dec 1971
60-Month
0.050.07-0.0253rd Driest
Driest since:
1934
74th Wettest
Wettest since:
1986
Ties: 1901, 1957

Citing This Page