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 7

December 1931 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1931 1-Month	-1.11	-0.11	-1.00	35th Driest	Driest since: 1930	1930
December 1931 1-Month	-1.11	-0.11	-1.00	96th Wettest	Wettest since: 1929	1972
Nov–Dec 1931 2-Month	-0.94	-0.08	-0.86	43rd Driest	Driest since: 1930	1930
Nov–Dec 1931 2-Month	-0.94	-0.08	-0.86	88th Wettest	Wettest since: 1929	1959
Oct–Dec 1931 3-Month	-1.28	-0.05	-1.23	26th Driest	Driest since: 1930	1930
Oct–Dec 1931 3-Month	-1.28	-0.05	-1.23	105th Wettest	Wettest since: 1929	1990
Sep–Dec 1931 4-Month	-0.92	-0.07	-0.85	33rd Driest	Driest since: 1930	1930
Sep–Dec 1931 4-Month	-0.92	-0.07	-0.85	98th Wettest	Wettest since: 1929	1986
Aug–Dec 1931 5-Month	-1.28	-0.05	-1.23	17th Driest	Driest since: 1930	1930
Aug–Dec 1931 5-Month	-1.28	-0.05	-1.23	114th Wettest	Wettest since: 1929	1986
Jul–Dec 1931 6-Month	-1.35	0.02	-1.37	13th Driest	Driest since: 1930	1930
	-1.35	0.02	-1.37	118th Wettest	Wettest since: 1929	1986
	Ties: 1916
Jun–Dec 1931 7-Month	-1.26	0.02	-1.28	17th Driest	Driest since: 1930	1930
Jun–Dec 1931 7-Month	-1.26	0.02	-1.28	114th Wettest	Wettest since: 1929	1986
May–Dec 1931 8-Month	-1.12	0.05	-1.17	16th Driest	Driest since: 1930	1930
May–Dec 1931 8-Month	-1.12	0.05	-1.17	115th Wettest	Wettest since: 1929	1902
Apr–Dec 1931 9-Month	-1.23	0.07	-1.30	11th Driest	Driest since: 1930	1930
Apr–Dec 1931 9-Month	-1.23	0.07	-1.30	120th Wettest	Wettest since: 1929	1996
Mar–Dec 1931 10-Month	-1.30	0.06	-1.36	6th Driest	Driest since: 1930	1930
Mar–Dec 1931 10-Month	-1.30	0.06	-1.36	125th Wettest	Wettest since: 1929	1902
Feb–Dec 1931 11-Month	-1.48	0.06	-1.54	4th Driest	Driest since: 1930	1930
Feb–Dec 1931 11-Month	-1.48	0.06	-1.54	127th Wettest	Wettest since: 1929	1996
Jan–Dec 1931 12-Month	-1.62	0.07	-1.69	3rd Driest	Driest since: 1930	1930
Jan–Dec 1931 12-Month	-1.62	0.07	-1.69	128th Wettest	Wettest since: 1929	1996
Jul 1930–Dec 1931 18-Month	-2.16	0.05	-2.21	1st Driest	Driest to Date	1931
Jul 1930–Dec 1931 18-Month	-2.16	0.05	-2.21	129th Wettest	Wettest since: 1930	1986
Jan 1930–Dec 1931 24-Month	-1.63	0.06	-1.69	1st Driest	Driest to Date	1931
Jan 1930–Dec 1931 24-Month	-1.63	0.06	-1.69	129th Wettest	Wettest since: 1930	1986
Jan 1929–Dec 1931 36-Month	-1.00	0.06	-1.06	2nd Driest	Driest to Date	1936
Jan 1929–Dec 1931 36-Month	-1.00	0.06	-1.06	127th Wettest	Wettest since: 1930	1986
Jan 1928–Dec 1931 48-Month	-0.33	0.07	-0.40	16th Driest	Driest since: 1921	1936
Jan 1928–Dec 1931 48-Month	-0.33	0.07	-0.40	112th Wettest	Wettest since: 1930	1986
Jan 1927–Dec 1931 60-Month	-0.30	0.07	-0.37	16th Driest	Driest since: 1925	1934
Jan 1927–Dec 1931 60-Month	-0.30	0.07	-0.37	111th Wettest	Wettest since: 1930	1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 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 7

December 1931 Palmer Z-Index Rankings

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