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 10

February 1930 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
February 1930
1-Month
0.04-0.030.0771st Driest
Driest since:
1964
61st Wettest
Wettest since:
1938
Jan–Feb 1930
2-Month
1.290.061.23109th Driest
Driest since:
1931
23rd Wettest
Wettest since:
1950
Dec 1929–Feb 1930
3-Month
1.34-0.011.35114th Driest
Driest since:
1931
17th Wettest
Wettest since:
1950
Nov 1929–Feb 1930
4-Month
1.29-0.021.31110th Driest
Driest since:
1931
21st Wettest
Wettest since:
1950
Oct 1929–Feb 1930
5-Month
1.53-0.011.54117th Driest
Driest since:
1964
14th Wettest
Wettest since:
1950
Sep 1929–Feb 1930
6-Month
0.920.000.9298th Driest
Driest since:
1964
33rd Wettest
Wettest since:
1993
Aug 1929–Feb 1930
7-Month
0.36-0.010.3774th Driest
Driest since:
1931
57th Wettest
Wettest since:
1993
Ties: 1907
Jul 1929–Feb 1930
8-Month
0.190.010.1867th Driest
Driest since:
1931
64th Wettest
Wettest since:
1993
Jun 1929–Feb 1930
9-Month
0.200.010.1967th Driest
Driest since:
1931
64th Wettest
Wettest since:
1993
May 1929–Feb 1930
10-Month
0.310.010.3071st Driest
Driest since:
1931
60th Wettest
Wettest since:
2001
Apr 1929–Feb 1930
11-Month
0.710.010.7093rd Driest
Driest since:
1931
38th Wettest
Wettest since:
2001
Ties: 1913
Mar 1929–Feb 1930
12-Month
0.670.010.6693rd Driest
Driest since:
1931
38th Wettest
Wettest since:
2012
Sep 1928–Feb 1930
18-Month
0.560.010.5591st Driest
Driest since:
1932
39th Wettest
Wettest since:
1951
Mar 1928–Feb 1930
24-Month
0.600.010.59103rd Driest
Driest since:
1932
27th Wettest
Wettest since:
1982
Mar 1927–Feb 1930
36-Month
0.540.020.52104th Driest
Driest since:
1965
25th Wettest
Wettest since:
1952
Mar 1926–Feb 1930
48-Month
0.550.020.53112th Driest
Driest since:
1966
16th WettestWettest to Date1951, 2012
Mar 1925–Feb 1930
60-Month
0.510.020.49107th Driest
Driest since:
1935
20th WettestWettest to Date1952

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