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 2011 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 2011 1-Month	2.06	-0.09	2.15	107th Driest	Driest since: 2010	1908
October 2011 1-Month	2.06	-0.09	2.15	24th Wettest	Wettest since: 2009	1991
Sep–Oct 2011 2-Month	1.17	-0.25	1.42	104th Driest	Driest since: 2010	1908
Sep–Oct 2011 2-Month	1.17	-0.25	1.42	27th Wettest	Wettest since: 2009	1986
Aug–Oct 2011 3-Month	0.63	-0.22	0.85	93rd Driest	Driest since: 2010	1908
Aug–Oct 2011 3-Month	0.63	-0.22	0.85	38th Wettest	Wettest since: 2009	1986
Jul–Oct 2011 4-Month	0.00	-0.14	0.14	73rd Driest	Driest since: 2008	1955
Jul–Oct 2011 4-Month	0.00	-0.14	0.14	58th Wettest	Wettest since: 2010	1986
Jun–Oct 2011 5-Month	0.51	-0.13	0.64	87th Driest	Driest since: 2007	1955
Jun–Oct 2011 5-Month	0.51	-0.13	0.64	44th Wettest	Wettest since: 2010	1986
May–Oct 2011 6-Month	0.38	-0.10	0.48	85th Driest	Driest since: 2007	1955
May–Oct 2011 6-Month	0.38	-0.10	0.48	46th Wettest	Wettest since: 2010	1986
Apr–Oct 2011 7-Month	1.35	-0.07	1.42	124th Driest	Driest since: 2010	1955
Apr–Oct 2011 7-Month	1.35	-0.07	1.42	7th Wettest	Wettest since: 1994	2014
Mar–Oct 2011 8-Month	1.17	-0.06	1.23	121st Driest	Driest since: 2010	1955
Mar–Oct 2011 8-Month	1.17	-0.06	1.23	10th Wettest	Wettest since: 1994	1986
Feb–Oct 2011 9-Month	0.93	-0.04	0.97	117th Driest	Driest since: 2010	1955
Feb–Oct 2011 9-Month	0.93	-0.04	0.97	14th Wettest	Wettest since: 2009	1986
Jan–Oct 2011 10-Month	0.75	-0.05	0.80	113th Driest	Driest since: 2010	1955
	0.75	-0.05	0.80	18th Wettest	Wettest since: 2009	1975
	Ties: 1929
Dec 2010–Oct 2011 11-Month	0.55	-0.06	0.61	103rd Driest	Driest since: 2010	1955
Dec 2010–Oct 2011 11-Month	0.55	-0.06	0.61	27th Wettest	Wettest since: 2009	2020
Nov 2010–Oct 2011 12-Month	0.34	-0.07	0.41	90th Driest	Driest since: 2010	1914
Nov 2010–Oct 2011 12-Month	0.34	-0.07	0.41	40th Wettest	Wettest since: 2009	2020
May 2010–Oct 2011 18-Month	0.61	-0.08	0.69	114th Driest	Driest since: 2010	1914
May 2010–Oct 2011 18-Month	0.61	-0.08	0.69	16th Wettest	Wettest since: 2009	2020
Nov 2009–Oct 2011 24-Month	0.07	-0.07	0.14	68th Driest	Driest since: 2008	1910
Nov 2009–Oct 2011 24-Month	0.07	-0.07	0.14	61st Wettest	Wettest since: 2010	2020
Nov 2008–Oct 2011 36-Month	0.37	-0.06	0.43	102nd Driest	Driest since: 2010	1910
	0.37	-0.06	0.43	26th Wettest	Wettest since: 1996	1986, 2020
	Ties: 1971, 1972
Nov 2007–Oct 2011 48-Month	0.30	-0.05	0.35	95th Driest	Driest since: 2010	1911
	0.30	-0.05	0.35	32nd Wettest	Wettest since: 1997	1986
	Ties: 1902
Nov 2006–Oct 2011 60-Month	0.17	-0.05	0.22	86th Driest	Driest since: 2009	1911
Nov 2006–Oct 2011 60-Month	0.17	-0.05	0.22	40th Wettest	Wettest since: 2010	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 2011 Palmer Z-Index Rankings

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