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.

Ohio, Climate Division 3

December 2018 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2018 1-Month	-0.16	-0.03	-0.13	60th Driest	Driest since: 2017	1930
December 2018 1-Month	-0.16	-0.03	-0.13	71st Wettest	Wettest since: 2016	1990
Nov–Dec 2018 2-Month	1.59	-0.04	1.63	106th Driest	Driest since: 2017	1908
Nov–Dec 2018 2-Month	1.59	-0.04	1.63	25th Wettest	Wettest since: 2013	1985
Oct–Dec 2018 3-Month	1.54	0.04	1.50	110th Driest	Driest since: 2017	1963
Oct–Dec 2018 3-Month	1.54	0.04	1.50	21st Wettest	Wettest since: 2013	2011
Sep–Dec 2018 4-Month	1.70	0.06	1.64	116th Driest	Driest since: 2017	1908
Sep–Dec 2018 4-Month	1.70	0.06	1.64	15th Wettest	Wettest since: 2012	1926
Aug–Dec 2018 5-Month	1.30	0.04	1.26	110th Driest	Driest since: 2017	1908
Aug–Dec 2018 5-Month	1.30	0.04	1.26	21st Wettest	Wettest since: 2013	1926
Jul–Dec 2018 6-Month	1.09	0.04	1.05	100th Driest	Driest since: 2017	1933
Jul–Dec 2018 6-Month	1.09	0.04	1.05	31st Wettest	Wettest since: 2014	1992
Jun–Dec 2018 7-Month	1.05	0.03	1.02	101st Driest	Driest since: 2017	1933
Jun–Dec 2018 7-Month	1.05	0.03	1.02	30th Wettest	Wettest since: 2014	2006
May–Dec 2018 8-Month	0.83	0.00	0.83	98th Driest	Driest since: 2017	1991
May–Dec 2018 8-Month	0.83	0.00	0.83	33rd Wettest	Wettest since: 2014	1990
Apr–Dec 2018 9-Month	0.99	0.01	0.98	108th Driest	Driest since: 2017	1991
Apr–Dec 2018 9-Month	0.99	0.01	0.98	23rd Wettest	Wettest since: 2014	2011
Mar–Dec 2018 10-Month	1.05	0.01	1.04	114th Driest	Driest since: 2017	1991
Mar–Dec 2018 10-Month	1.05	0.01	1.04	17th Wettest	Wettest since: 2014	2011
Feb–Dec 2018 11-Month	1.18	0.00	1.18	120th Driest	Driest since: 2017	1991
Feb–Dec 2018 11-Month	1.18	0.00	1.18	11th Wettest	Wettest since: 2011	2011
Jan–Dec 2018 12-Month	1.12	0.03	1.09	119th Driest	Driest since: 2017	1991
	1.12	0.03	1.09	12th Wettest	Wettest since: 2011	2011
	Ties: 2004
Jul 2017–Dec 2018 18-Month	0.51	0.02	0.49	88th Driest	Driest since: 2017	1934
Jul 2017–Dec 2018 18-Month	0.51	0.02	0.49	42nd Wettest	Wettest since: 2014	2011
Jan 2017–Dec 2018 24-Month	0.63	0.02	0.61	103rd Driest	Driest since: 2017	1934
	0.63	0.02	0.61	27th Wettest	Wettest since: 2014	2012
	Ties: 1897
Jan 2016–Dec 2018 36-Month	0.26	0.01	0.25	77th Driest	Driest since: 2017	1934
Jan 2016–Dec 2018 36-Month	0.26	0.01	0.25	52nd Wettest	Wettest since: 2015	2013
Jan 2015–Dec 2018 48-Month	0.19	0.02	0.17	71st Driest	Driest since: 2017	1934
Jan 2015–Dec 2018 48-Month	0.19	0.02	0.17	57th Wettest	Wettest since: 2016	2014
Jan 2014–Dec 2018 60-Month	0.34	0.02	0.32	86th Driest	Driest since: 2017	1934
Jan 2014–Dec 2018 60-Month	0.34	0.02	0.32	41st Wettest	Wettest since: 2015	2015

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

Ohio, Climate Division 3

December 2018 Palmer Z-Index Rankings

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