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 2

December 1989 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1989 1-Month	-1.61	-0.27	-1.34	21st Driest	Driest since: 1986	1930
December 1989 1-Month	-1.61	-0.27	-1.34	110th Wettest	Wettest since: 1988	2015
Nov–Dec 1989 2-Month	-1.67	-0.25	-1.42	19th Driest	Driest since: 1976	1930
Nov–Dec 1989 2-Month	-1.67	-0.25	-1.42	112th Wettest	Wettest since: 1988	1977
Oct–Dec 1989 3-Month	-1.70	-0.15	-1.55	14th Driest	Driest since: 1976	1947
Oct–Dec 1989 3-Month	-1.70	-0.15	-1.55	117th Wettest	Wettest since: 1988	2014
Sep–Dec 1989 4-Month	-2.22	-0.16	-2.06	10th Driest	Driest since: 1976	1908
Sep–Dec 1989 4-Month	-2.22	-0.16	-2.06	121st Wettest	Wettest since: 1988	2019
Aug–Dec 1989 5-Month	-1.85	-0.18	-1.67	10th Driest	Driest since: 1976	1930
Aug–Dec 1989 5-Month	-1.85	-0.18	-1.67	121st Wettest	Wettest since: 1988	1896
Jul–Dec 1989 6-Month	-2.00	-0.10	-1.90	5th Driest	Driest since: 1976	1930
Jul–Dec 1989 6-Month	-2.00	-0.10	-1.90	126th Wettest	Wettest since: 1988	1896
Jun–Dec 1989 7-Month	-1.70	-0.12	-1.58	8th Driest	Driest since: 1976	1976
Jun–Dec 1989 7-Month	-1.70	-0.12	-1.58	123rd Wettest	Wettest since: 1988	1896
May–Dec 1989 8-Month	-1.49	-0.10	-1.39	14th Driest	Driest since: 1976	1976
May–Dec 1989 8-Month	-1.49	-0.10	-1.39	117th Wettest	Wettest since: 1988	1896
Apr–Dec 1989 9-Month	-1.52	-0.09	-1.43	10th Driest	Driest since: 1976	1976
Apr–Dec 1989 9-Month	-1.52	-0.09	-1.43	121st Wettest	Wettest since: 1988	2019
Mar–Dec 1989 10-Month	-1.35	-0.09	-1.26	10th Driest	Driest since: 1976	1895
Mar–Dec 1989 10-Month	-1.35	-0.09	-1.26	121st Wettest	Wettest since: 1988	2019
Feb–Dec 1989 11-Month	-1.31	-0.09	-1.22	8th Driest	Driest since: 1976	1895
Feb–Dec 1989 11-Month	-1.31	-0.09	-1.22	123rd Wettest	Wettest since: 1988	2019
Jan–Dec 1989 12-Month	-1.20	-0.08	-1.12	10th Driest	Driest since: 1976	1930
Jan–Dec 1989 12-Month	-1.20	-0.08	-1.12	121st Wettest	Wettest since: 1988	2019
Jul 1988–Dec 1989 18-Month	-0.17	-0.08	-0.09	51st Driest	Driest since: 1987	1948
Jul 1988–Dec 1989 18-Month	-0.17	-0.08	-0.09	79th Wettest	Wettest since: 1988	2019
Jan 1988–Dec 1989 24-Month	-0.50	-0.07	-0.43	26th Driest	Driest since: 1987	2006
	-0.50	-0.07	-0.43	104th Wettest	Wettest since: 1988	2020
	Ties: 1936
Jan 1987–Dec 1989 36-Month	-0.53	-0.07	-0.46	16th Driest	Driest since: 1964	2007
Jan 1987–Dec 1989 36-Month	-0.53	-0.07	-0.46	113th Wettest	Wettest since: 1988	2019
Jan 1986–Dec 1989 48-Month	-0.58	-0.06	-0.52	9th Driest	Driest since: 1948	2000
Jan 1986–Dec 1989 48-Month	-0.58	-0.06	-0.52	119th Wettest	Wettest since: 1988	2020
Jan 1985–Dec 1989 60-Month	-0.27	-0.06	-0.21	32nd Driest	Driest since: 1965	1910
	-0.27	-0.06	-0.21	95th Wettest	Wettest since: 1988	2020
	Ties: 1927, 1947, 1965

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 22, 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 2

December 1989 Palmer Z-Index Rankings

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