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 1974 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 1974
1-Month
-0.64-0.24-0.4050th Driest
Driest since:
1930
81st Wettest
Wettest since:
1972
Nov–Dec 1974
2-Month
-0.88-0.22-0.6641st Driest
Driest since:
1930
90th Wettest
Wettest since:
2019
Oct–Dec 1974
3-Month
-0.78-0.18-0.6045th Driest
Driest since:
1930
86th Wettest
Wettest since:
2019
Sep–Dec 1974
4-Month
-0.55-0.24-0.3153rd Driest
Driest since:
1908
78th Wettest
Wettest since:
2019
Aug–Dec 1974
5-Month
-0.44-0.22-0.2256th Driest
Driest since:
1930
75th Wettest
Wettest since:
2014
Jul–Dec 1974
6-Month
0.02-0.170.1967th Driest
Driest since:
1930
64th Wettest
Wettest since:
2014
Jun–Dec 1974
7-Month
0.27-0.160.4380th Driest
Driest since:
1908
51st Wettest
Wettest since:
1986
May–Dec 1974
8-Month
0.30-0.130.4378th Driest
Driest since:
1955
53rd Wettest
Wettest since:
2019
Apr–Dec 1974
9-Month
0.38-0.100.4884th Driest
Driest since:
1955
47th Wettest
Wettest since:
2014
Mar–Dec 1974
10-Month
0.22-0.090.3176th Driest
Driest since:
1955
55th Wettest
Wettest since:
2014
Feb–Dec 1974
11-Month
0.20-0.080.2876th Driest
Driest since:
1955
55th Wettest
Wettest since:
2019
Jan–Dec 1974
12-Month
0.42-0.080.5093rd Driest
Driest since:
1955
38th Wettest
Wettest since:
2019
Jul 1973–Dec 1974
18-Month
0.45-0.100.55100th Driest
Driest since:
1914
30th Wettest
Wettest since:
1985
Jan 1973–Dec 1974
24-Month
0.36-0.070.4397th Driest
Driest since:
1914
33rd Wettest
Wettest since:
2020
Jan 1972–Dec 1974
36-Month
0.54-0.060.60116th Driest
Driest since:
1910
13th Wettest
Wettest since:
2019
Ties: 1900
Jan 1971–Dec 1974
48-Month
0.49-0.050.54117th Driest
Driest since:
1911
11th Wettest
Wettest since:
2020
Jan 1970–Dec 1974
60-Month
0.44-0.050.49112th Driest
Driest since:
1914
15th Wettest
Wettest since:
2021

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