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

October 1915 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
October 1915
1-Month
-0.83-0.09-0.7441st Driest
Driest since:
1908
90th Wettest
Wettest since:
1991
Sep–Oct 1915
2-Month
0.07-0.250.3277th Driest
Driest since:
1908
54th Wettest
Wettest since:
1986
Aug–Oct 1915
3-Month
1.01-0.221.23105th Driest
Driest since:
1908
26th Wettest
Wettest since:
1986
Jul–Oct 1915
4-Month
0.89-0.141.03103rd Driest
Driest since:
1955
28th Wettest
Wettest since:
1986
Ties: 1896
Jun–Oct 1915
5-Month
0.88-0.131.01102nd Driest
Driest since:
1955
29th Wettest
Wettest since:
1986
May–Oct 1915
6-Month
0.49-0.100.5990th Driest
Driest since:
1955
41st Wettest
Wettest since:
1986
Apr–Oct 1915
7-Month
-0.07-0.070.0060th Driest
Driest since:
1955
71st Wettest
Wettest since:
2014
Mar–Oct 1915
8-Month
-0.35-0.06-0.2942nd Driest
Driest since:
1955
89th Wettest
Wettest since:
1986
Feb–Oct 1915
9-Month
-0.18-0.04-0.1448th Driest
Driest since:
1955
83rd Wettest
Wettest since:
1986
Jan–Oct 1915
10-Month
-0.40-0.05-0.3539th Driest
Driest since:
1955
92nd Wettest
Wettest since:
1975
Dec 1914–Oct 1915
11-Month
-0.59-0.06-0.5328th Driest
Driest since:
1955
102nd Wettest
Wettest since:
2020
Nov 1914–Oct 1915
12-Month
-0.75-0.07-0.6820th Driest
Driest since:
1914
110th Wettest
Wettest since:
2020
May 1914–Oct 1915
18-Month
-1.06-0.08-0.988th Driest
Driest since:
1914
122nd Wettest
Wettest since:
2020
Nov 1913–Oct 1915
24-Month
-1.18-0.07-1.112nd Driest
Driest since:
1910
127th Wettest
Wettest since:
2020
Nov 1912–Oct 1915
36-Month
-0.99-0.06-0.933rd Driest
Driest since:
1910
125th Wettest
Wettest since:
1986, 2020
Nov 1911–Oct 1915
48-Month
-0.70-0.05-0.656th Driest
Driest since:
1911
121st Wettest
Wettest since:
1986
Nov 1910–Oct 1915
60-Month
-0.72-0.05-0.676th Driest
Driest since:
1911
120th Wettest
Wettest since:
2020

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