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

January 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
January 1978
1-Month
2.860.162.70121st Driest
Driest since:
1961
11th Wettest
Wettest since:
1950
Dec 1977–Jan 1978
2-Month
2.070.002.07122nd Driest
Driest since:
1961
9th Wettest
Wettest since:
1950
Nov 1977–Jan 1978
3-Month
1.63-0.021.65113th Driest
Driest since:
1931
18th Wettest
Wettest since:
1993
Oct 1977–Jan 1978
4-Month
1.180.001.18103rd Driest
Driest since:
1964
28th Wettest
Wettest since:
2007
Sep 1977–Jan 1978
5-Month
1.340.011.33105th Driest
Driest since:
1964
26th Wettest
Wettest since:
1993
Ties: 1903
Aug 1977–Jan 1978
6-Month
1.12-0.011.13101st Driest
Driest since:
1931
30th Wettest
Wettest since:
1993
Jul 1977–Jan 1978
7-Month
0.930.020.9194th Driest
Driest since:
1931
37th Wettest
Wettest since:
1993
Jun 1977–Jan 1978
8-Month
0.830.020.8192nd Driest
Driest since:
1931
39th Wettest
Wettest since:
1993
Ties: 1912
May 1977–Jan 1978
9-Month
0.350.020.3373rd Driest
Driest since:
1935
58th Wettest
Wettest since:
1993
Apr 1977–Jan 1978
10-Month
0.360.020.3472nd Driest
Driest since:
1935
59th Wettest
Wettest since:
1993
Mar 1977–Jan 1978
11-Month
0.460.020.4480th Driest
Driest since:
1931
51st Wettest
Wettest since:
2012
Ties: 1928, 1962
Feb 1977–Jan 1978
12-Month
0.340.020.3273rd Driest
Driest since:
1935
58th Wettest
Wettest since:
2012
Aug 1976–Jan 1978
18-Month
-0.130.01-0.1448th Driest
Driest since:
1932
82nd Wettest
Wettest since:
1951, 2020
Feb 1976–Jan 1978
24-Month
0.150.020.1370th Driest
Driest since:
1932
60th Wettest
Wettest since:
2020
Ties: 1917, 1975
Feb 1975–Jan 1978
36-Month
0.490.020.47101st Driest
Driest since:
1965
28th Wettest
Wettest since:
1952
Ties: 1976
Feb 1974–Jan 1978
48-Month
0.330.020.3188th Driest
Driest since:
1935
40th Wettest
Wettest since:
2012
Feb 1973–Jan 1978
60-Month
0.350.020.3391st Driest
Driest since:
1935
36th Wettest
Wettest since:
1952

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