Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

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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 1956 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1956 1-Month	-3.02	-0.09	-2.93	11th Driest	Driest since: 1949	1908
	-3.02	-0.09	-2.93	120th Wettest	Wettest since: 1955	1991
	Ties: 1948
Sep–Oct 1956 2-Month	-2.14	-0.25	-1.89	17th Driest	Driest since: 1955	1908
Sep–Oct 1956 2-Month	-2.14	-0.25	-1.89	114th Wettest	Wettest since: 1954	1986
Aug–Oct 1956 3-Month	-0.73	-0.22	-0.51	50th Driest	Driest since: 1955	1908
Aug–Oct 1956 3-Month	-0.73	-0.22	-0.51	81st Wettest	Wettest since: 1954	1986
Jul–Oct 1956 4-Month	0.12	-0.14	0.26	77th Driest	Driest since: 1955	1955
Jul–Oct 1956 4-Month	0.12	-0.14	0.26	54th Wettest	Wettest since: 1954	1986
Jun–Oct 1956 5-Month	-0.08	-0.13	0.05	69th Driest	Driest since: 1955	1955
Jun–Oct 1956 5-Month	-0.08	-0.13	0.05	62nd Wettest	Wettest since: 1954	1986
May–Oct 1956 6-Month	-0.08	-0.10	0.02	63rd Driest	Driest since: 1955	1955
May–Oct 1956 6-Month	-0.08	-0.10	0.02	68th Wettest	Wettest since: 1954	1986
Apr–Oct 1956 7-Month	0.22	-0.07	0.29	77th Driest	Driest since: 1955	1955
Apr–Oct 1956 7-Month	0.22	-0.07	0.29	54th Wettest	Wettest since: 1954	2014
Mar–Oct 1956 8-Month	0.18	-0.06	0.24	77th Driest	Driest since: 1955	1955
Mar–Oct 1956 8-Month	0.18	-0.06	0.24	54th Wettest	Wettest since: 1954	1986
Feb–Oct 1956 9-Month	0.11	-0.04	0.15	73rd Driest	Driest since: 1955	1955
	0.11	-0.04	0.15	58th Wettest	Wettest since: 1954	1986
	Ties: 1927
Jan–Oct 1956 10-Month	-0.18	-0.05	-0.13	50th Driest	Driest since: 1955	1955
Jan–Oct 1956 10-Month	-0.18	-0.05	-0.13	81st Wettest	Wettest since: 1954	1975
Dec 1955–Oct 1956 11-Month	-0.36	-0.06	-0.30	40th Driest	Driest since: 1955	1955
Dec 1955–Oct 1956 11-Month	-0.36	-0.06	-0.30	90th Wettest	Wettest since: 1954	2020
Nov 1955–Oct 1956 12-Month	-0.48	-0.07	-0.41	32nd Driest	Driest since: 1955	1914
Nov 1955–Oct 1956 12-Month	-0.48	-0.07	-0.41	98th Wettest	Wettest since: 1954	2020
May 1955–Oct 1956 18-Month	-1.21	-0.08	-1.13	5th Driest	Driest since: 1949	1914
	-1.21	-0.08	-1.13	125th Wettest	Wettest since: 1955	2020
	Ties: 1931
Nov 1954–Oct 1956 24-Month	-0.99	-0.07	-0.92	7th Driest	Driest since: 1949	1910
Nov 1954–Oct 1956 24-Month	-0.99	-0.07	-0.92	122nd Wettest	Wettest since: 1955	2020
Nov 1953–Oct 1956 36-Month	-0.53	-0.06	-0.47	16th Driest	Driest since: 1950	1910
	-0.53	-0.06	-0.47	112th Wettest	Wettest since: 1955	1986, 2020
	Ties: 1935
Nov 1952–Oct 1956 48-Month	-0.34	-0.05	-0.29	26th Driest	Driest since: 1950	1911
	-0.34	-0.05	-0.29	101st Wettest	Wettest since: 1955	1986
	Ties: 1933, 1938
Nov 1951–Oct 1956 60-Month	-0.27	-0.05	-0.22	29th Driest	Driest since: 1950	1911
Nov 1951–Oct 1956 60-Month	-0.27	-0.05	-0.22	97th Wettest	Wettest since: 1955	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Michigan, Climate Division 4

October 1956 Palmer Z-Index Rankings

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