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 6

January 1940 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1940 1-Month	-0.76	0.10	-0.86	37th Driest	Driest since: 1939	1945
January 1940 1-Month	-0.76	0.10	-0.86	95th Wettest	Wettest since: 1938	1897
Dec 1939–Jan 1940 2-Month	-1.57	-0.06	-1.51	13th Driest	Driest since: 1931	1977
Dec 1939–Jan 1940 2-Month	-1.57	-0.06	-1.51	118th Wettest	Wettest since: 1939	2013
Nov 1939–Jan 1940 3-Month	-2.12	-0.09	-2.03	9th Driest	Driest since: 1931	1931
Nov 1939–Jan 1940 3-Month	-2.12	-0.09	-2.03	122nd Wettest	Wettest since: 1939	2020
Oct 1939–Jan 1940 4-Month	-1.73	-0.07	-1.66	13th Driest	Driest since: 1939	1931
Oct 1939–Jan 1940 4-Month	-1.73	-0.07	-1.66	118th Wettest	Wettest since: 1938	2020
Sep 1939–Jan 1940 5-Month	-1.49	-0.12	-1.37	17th Driest	Driest since: 1939	1931
Sep 1939–Jan 1940 5-Month	-1.49	-0.12	-1.37	114th Wettest	Wettest since: 1938	2020
Aug 1939–Jan 1940 6-Month	-0.76	-0.12	-0.64	36th Driest	Driest since: 1939	1931
	-0.76	-0.12	-0.64	95th Wettest	Wettest since: 1938	2020
	Ties: 1921
Jul 1939–Jan 1940 7-Month	-0.87	-0.07	-0.80	29th Driest	Driest since: 1939	1931
Jul 1939–Jan 1940 7-Month	-0.87	-0.07	-0.80	102nd Wettest	Wettest since: 1938	2020
Jun 1939–Jan 1940 8-Month	-0.48	-0.07	-0.41	42nd Driest	Driest since: 1939	1931
Jun 1939–Jan 1940 8-Month	-0.48	-0.07	-0.41	89th Wettest	Wettest since: 1938	2020
May 1939–Jan 1940 9-Month	-0.63	-0.05	-0.58	29th Driest	Driest since: 1939	1931
	-0.63	-0.05	-0.58	102nd Wettest	Wettest since: 1938	2020
	Ties: 1905
Apr 1939–Jan 1940 10-Month	-0.45	-0.03	-0.42	36th Driest	Driest since: 1939	1931
	-0.45	-0.03	-0.42	95th Wettest	Wettest since: 1938	2020
	Ties: 1917
Mar 1939–Jan 1940 11-Month	-0.51	-0.02	-0.49	30th Driest	Driest since: 1939	1931
	-0.51	-0.02	-0.49	101st Wettest	Wettest since: 1938	2020
	Ties: 1925
Feb 1939–Jan 1940 12-Month	-0.34	0.00	-0.34	41st Driest	Driest since: 1939	1931
Feb 1939–Jan 1940 12-Month	-0.34	0.00	-0.34	90th Wettest	Wettest since: 1938	2020
Aug 1938–Jan 1940 18-Month	-0.73	-0.04	-0.69	14th Driest	Driest since: 1937	1931
Aug 1938–Jan 1940 18-Month	-0.73	-0.04	-0.69	116th Wettest	Wettest since: 1939	2020
Feb 1938–Jan 1940 24-Month	-0.56	0.00	-0.56	12th Driest	Driest since: 1937	1932
	-0.56	0.00	-0.56	118th Wettest	Wettest since: 1939	2020
	Ties: 1897
Feb 1937–Jan 1940 36-Month	-0.42	0.00	-0.42	14th Driest	Driest since: 1939	1937, 1965
Feb 1937–Jan 1940 36-Month	-0.42	0.00	-0.42	115th Wettest	Wettest since: 1935	2020
Feb 1936–Jan 1940 48-Month	-0.55	0.00	-0.55	8th Driest	Driest since: 1939	1937
Feb 1936–Jan 1940 48-Month	-0.55	0.00	-0.55	120th Wettest	Wettest since: 1936	2020
Feb 1935–Jan 1940 60-Month	-0.54	0.00	-0.54	4th Driest	Driest since: 1939	1935
Feb 1935–Jan 1940 60-Month	-0.54	0.00	-0.54	123rd Wettest	Wettest since: 1937	1995, 2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 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 6

January 1940 Palmer Z-Index Rankings

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