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 2

December 1978 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 1978
1-Month
0.73-0.271.0092nd Driest
Driest since:
1930
39th Wettest
Wettest since:
2015
Nov–Dec 1978
2-Month
0.69-0.250.9497th Driest
Driest since:
1930
34th Wettest
Wettest since:
1977
Oct–Dec 1978
3-Month
0.78-0.150.9389th Driest
Driest since:
1947
42nd Wettest
Wettest since:
2014
Sep–Dec 1978
4-Month
1.48-0.161.64110th Driest
Driest since:
1908
21st Wettest
Wettest since:
2019
Aug–Dec 1978
5-Month
2.00-0.182.18123rd Driest
Driest since:
1930
8th Wettest
Wettest since:
1896
Jul–Dec 1978
6-Month
2.11-0.102.21127th Driest
Driest since:
1930
4th Wettest
Wettest since:
1896
Jun–Dec 1978
7-Month
1.73-0.121.85125th Driest
Driest since:
1976
6th Wettest
Wettest since:
1896
Ties: 1977
May–Dec 1978
8-Month
1.63-0.101.73127th Driest
Driest since:
1976
4th Wettest
Wettest since:
1896
Apr–Dec 1978
9-Month
1.46-0.091.55124th Driest
Driest since:
1976
7th Wettest
Wettest since:
2019
Mar–Dec 1978
10-Month
1.07-0.091.16114th Driest
Driest since:
1895
17th Wettest
Wettest since:
2019
Feb–Dec 1978
11-Month
0.83-0.090.92110th Driest
Driest since:
1895
21st Wettest
Wettest since:
2019
Jan–Dec 1978
12-Month
0.83-0.080.91112th Driest
Driest since:
1930
19th Wettest
Wettest since:
2019
Jul 1977–Dec 1978
18-Month
1.20-0.081.28123rd Driest
Driest since:
1948
7th Wettest
Wettest since:
2019
Jan 1977–Dec 1978
24-Month
1.04-0.071.11123rd Driest
Driest since:
2006
7th Wettest
Wettest since:
2020
Jan 1976–Dec 1978
36-Month
0.25-0.070.3291st Driest
Driest since:
2007
38th Wettest
Wettest since:
2019
Ties: 1918
Jan 1975–Dec 1978
48-Month
0.28-0.060.3494th Driest
Driest since:
2000
34th Wettest
Wettest since:
2020
Jan 1974–Dec 1978
60-Month
0.36-0.060.42106th Driest
Driest since:
1910
21st Wettest
Wettest since:
2020
Ties: 1953

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