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 1917 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1917 1-Month	2.21	-0.09	2.30	108th Driest	Driest since: 1916	1908
October 1917 1-Month	2.21	-0.09	2.30	23rd Wettest	Wettest since: 1898	1991
Sep–Oct 1917 2-Month	0.13	-0.25	0.38	79th Driest	Driest since: 1916	1908
Sep–Oct 1917 2-Month	0.13	-0.25	0.38	52nd Wettest	Wettest since: 1911	1986
Aug–Oct 1917 3-Month	0.33	-0.22	0.55	84th Driest	Driest since: 1916	1908
Aug–Oct 1917 3-Month	0.33	-0.22	0.55	47th Wettest	Wettest since: 1915	1986
Jul–Oct 1917 4-Month	0.46	-0.14	0.60	88th Driest	Driest since: 1916	1955
Jul–Oct 1917 4-Month	0.46	-0.14	0.60	43rd Wettest	Wettest since: 1915	1986
Jun–Oct 1917 5-Month	1.06	-0.13	1.19	113th Driest	Driest since: 1916	1955
Jun–Oct 1917 5-Month	1.06	-0.13	1.19	18th Wettest	Wettest since: 1900	1986
May–Oct 1917 6-Month	1.13	-0.10	1.23	116th Driest	Driest since: 1916	1955
May–Oct 1917 6-Month	1.13	-0.10	1.23	15th Wettest	Wettest to Date	1986
Apr–Oct 1917 7-Month	0.97	-0.07	1.04	115th Driest	Driest since: 1916	1955
Apr–Oct 1917 7-Month	0.97	-0.07	1.04	16th Wettest	Wettest to Date	2014
Mar–Oct 1917 8-Month	0.75	-0.06	0.81	111th Driest	Driest since: 1916	1955
Mar–Oct 1917 8-Month	0.75	-0.06	0.81	20th Wettest	Wettest to Date	1986
Feb–Oct 1917 9-Month	0.49	-0.04	0.53	99th Driest	Driest since: 1916	1955
Feb–Oct 1917 9-Month	0.49	-0.04	0.53	32nd Wettest	Wettest since: 1902	1986
Jan–Oct 1917 10-Month	0.34	-0.05	0.39	90th Driest	Driest since: 1916	1955
Jan–Oct 1917 10-Month	0.34	-0.05	0.39	41st Wettest	Wettest since: 1902	1975
Dec 1916–Oct 1917 11-Month	0.37	-0.06	0.43	90th Driest	Driest since: 1916	1955
Dec 1916–Oct 1917 11-Month	0.37	-0.06	0.43	40th Wettest	Wettest since: 1900	2020
Nov 1916–Oct 1917 12-Month	0.33	-0.07	0.40	89th Driest	Driest since: 1916	1914
Nov 1916–Oct 1917 12-Month	0.33	-0.07	0.40	41st Wettest	Wettest since: 1903	2020
May 1916–Oct 1917 18-Month	0.13	-0.08	0.21	71st Driest	Driest since: 1915	1914
May 1916–Oct 1917 18-Month	0.13	-0.08	0.21	59th Wettest	Wettest since: 1916	2020
Nov 1915–Oct 1917 24-Month	0.26	-0.07	0.33	84th Driest	Driest since: 1916	1910
Nov 1915–Oct 1917 24-Month	0.26	-0.07	0.33	45th Wettest	Wettest since: 1904	2020
Nov 1914–Oct 1917 36-Month	-0.07	-0.06	-0.01	57th Driest	Driest since: 1916	1910
Nov 1914–Oct 1917 36-Month	-0.07	-0.06	-0.01	71st Wettest	Wettest since: 1905	1986, 2020
Nov 1913–Oct 1917 48-Month	-0.46	-0.05	-0.41	19th Driest	Driest since: 1916	1911
Nov 1913–Oct 1917 48-Month	-0.46	-0.05	-0.41	108th Wettest	Wettest since: 1908	1986
Nov 1912–Oct 1917 60-Month	-0.49	-0.05	-0.44	15th Driest	Driest since: 1916	1911
Nov 1912–Oct 1917 60-Month	-0.49	-0.05	-0.44	111th Wettest	Wettest since: 1908	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 1917 Palmer Z-Index Rankings

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