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 1970 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1970 1-Month	1.05	-0.11	1.16	101st Driest	Driest since: 1969	1930
December 1970 1-Month	1.05	-0.11	1.16	30th Wettest	Wettest since: 1967	1972
Nov–Dec 1970 2-Month	0.82	-0.08	0.90	93rd Driest	Driest since: 1969	1930
Nov–Dec 1970 2-Month	0.82	-0.08	0.90	38th Wettest	Wettest since: 1967	1959
Oct–Dec 1970 3-Month	0.76	-0.05	0.81	92nd Driest	Driest since: 1969	1930
Oct–Dec 1970 3-Month	0.76	-0.05	0.81	39th Wettest	Wettest since: 1967	1990
Sep–Dec 1970 4-Month	0.93	-0.07	1.00	97th Driest	Driest since: 1969	1930
Sep–Dec 1970 4-Month	0.93	-0.07	1.00	34th Wettest	Wettest since: 1967	1986
Aug–Dec 1970 5-Month	0.52	-0.05	0.57	88th Driest	Driest since: 1969	1930
Aug–Dec 1970 5-Month	0.52	-0.05	0.57	43rd Wettest	Wettest since: 1967	1986
Jul–Dec 1970 6-Month	0.97	0.02	0.95	98th Driest	Driest since: 1969	1930
Jul–Dec 1970 6-Month	0.97	0.02	0.95	33rd Wettest	Wettest since: 1967	1986
Jun–Dec 1970 7-Month	0.77	0.02	0.75	97th Driest	Driest since: 1969	1930
Jun–Dec 1970 7-Month	0.77	0.02	0.75	34th Wettest	Wettest since: 1967	1986
May–Dec 1970 8-Month	0.60	0.05	0.55	94th Driest	Driest since: 1969	1930
May–Dec 1970 8-Month	0.60	0.05	0.55	37th Wettest	Wettest since: 1967	1902
Apr–Dec 1970 9-Month	0.48	0.07	0.41	86th Driest	Driest since: 1969	1930
Apr–Dec 1970 9-Month	0.48	0.07	0.41	45th Wettest	Wettest since: 1967	1996
Mar–Dec 1970 10-Month	0.47	0.06	0.41	88th Driest	Driest since: 1969	1930
Mar–Dec 1970 10-Month	0.47	0.06	0.41	43rd Wettest	Wettest since: 1967	1902
Feb–Dec 1970 11-Month	0.28	0.06	0.22	78th Driest	Driest since: 1969	1930
Feb–Dec 1970 11-Month	0.28	0.06	0.22	53rd Wettest	Wettest since: 1967	1996
Jan–Dec 1970 12-Month	0.18	0.07	0.11	71st Driest	Driest since: 1969	1930
Jan–Dec 1970 12-Month	0.18	0.07	0.11	60th Wettest	Wettest since: 1967	1996
Jul 1969–Dec 1970 18-Month	-0.06	0.05	-0.11	50th Driest	Driest since: 1969	1931
Jul 1969–Dec 1970 18-Month	-0.06	0.05	-0.11	80th Wettest	Wettest since: 1968	1986
Jan 1969–Dec 1970 24-Month	0.04	0.06	-0.02	58th Driest	Driest since: 1969	1931
Jan 1969–Dec 1970 24-Month	0.04	0.06	-0.02	72nd Wettest	Wettest since: 1968	1986
Jan 1968–Dec 1970 36-Month	0.00	0.06	-0.06	51st Driest	Driest since: 1966	1936
Jan 1968–Dec 1970 36-Month	0.00	0.06	-0.06	78th Wettest	Wettest since: 1969	1986
Jan 1967–Dec 1970 48-Month	0.30	0.07	0.23	87th Driest	Driest since: 1969	1936
Jan 1967–Dec 1970 48-Month	0.30	0.07	0.23	41st Wettest	Wettest since: 1953	1986
Jan 1966–Dec 1970 60-Month	0.12	0.07	0.05	62nd Driest	Driest since: 1969	1934
	0.12	0.07	0.05	65th Wettest	Wettest since: 1954	1986
	Ties: 1946

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 7

December 1970 Palmer Z-Index Rankings

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