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.

Kentucky, Climate Division 1

October 2009 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 2009 1-Month	7.77	0.10	7.67	130th Driest	Driest since: 2008	1963
October 2009 1-Month	7.77	0.10	7.67	1st Wettest	Wettest to Date	2009
Sep–Oct 2009 2-Month	5.11	0.00	5.11	129th Driest	Driest since: 2008	1897
Sep–Oct 2009 2-Month	5.11	0.00	5.11	2nd Wettest	Wettest since: 2006	2006
Aug–Oct 2009 3-Month	3.62	-0.03	3.65	129th Driest	Driest since: 2008	1953
Aug–Oct 2009 3-Month	3.62	-0.03	3.65	2nd Wettest	Wettest since: 2006	2006
Jul–Oct 2009 4-Month	3.79	-0.07	3.86	130th Driest	Driest since: 2008	1953
Jul–Oct 2009 4-Month	3.79	-0.07	3.86	1st Wettest	Wettest to Date	2009
Jun–Oct 2009 5-Month	3.07	-0.02	3.09	130th Driest	Driest since: 2008	1953
Jun–Oct 2009 5-Month	3.07	-0.02	3.09	1st Wettest	Wettest to Date	2009
May–Oct 2009 6-Month	2.95	-0.03	2.98	130th Driest	Driest since: 2008	1930
May–Oct 2009 6-Month	2.95	-0.03	2.98	1st Wettest	Wettest to Date	2009
Apr–Oct 2009 7-Month	2.65	-0.03	2.68	130th Driest	Driest since: 2008	1930
Apr–Oct 2009 7-Month	2.65	-0.03	2.68	1st Wettest	Wettest to Date	2009
Mar–Oct 2009 8-Month	2.10	-0.05	2.15	129th Driest	Driest since: 2008	1930
Mar–Oct 2009 8-Month	2.10	-0.05	2.15	2nd Wettest	Wettest since: 1979	1979
Feb–Oct 2009 9-Month	1.77	-0.06	1.83	128th Driest	Driest since: 2008	1930
Feb–Oct 2009 9-Month	1.77	-0.06	1.83	3rd Wettest	Wettest since: 1979	1979
Jan–Oct 2009 10-Month	1.58	-0.04	1.62	128th Driest	Driest since: 2008	1930
Jan–Oct 2009 10-Month	1.58	-0.04	1.62	3rd Wettest	Wettest since: 1979	1950
Dec 2008–Oct 2009 11-Month	1.55	-0.04	1.59	127th Driest	Driest since: 2008	1936
Dec 2008–Oct 2009 11-Month	1.55	-0.04	1.59	3rd Wettest	Wettest since: 1979	1979
Nov 2008–Oct 2009 12-Month	1.26	-0.06	1.32	123rd Driest	Driest since: 2008	1936
Nov 2008–Oct 2009 12-Month	1.26	-0.06	1.32	7th Wettest	Wettest since: 1989	1979
May 2008–Oct 2009 18-Month	0.61	-0.05	0.66	106th Driest	Driest since: 2008	1931
May 2008–Oct 2009 18-Month	0.61	-0.05	0.66	24th Wettest	Wettest since: 2003	1950
Nov 2007–Oct 2009 24-Month	0.82	-0.06	0.88	115th Driest	Driest since: 2008	1931
Nov 2007–Oct 2009 24-Month	0.82	-0.06	0.88	14th Wettest	Wettest since: 2003	1950
Nov 2006–Oct 2009 36-Month	0.29	-0.06	0.35	90th Driest	Driest since: 2008	1942
Nov 2006–Oct 2009 36-Month	0.29	-0.06	0.35	38th Wettest	Wettest since: 2006	1951
Nov 2005–Oct 2009 48-Month	0.41	-0.05	0.46	100th Driest	Driest since: 2008	1944
Nov 2005–Oct 2009 48-Month	0.41	-0.05	0.46	27th Wettest	Wettest since: 2006	2021
Nov 2004–Oct 2009 60-Month	0.34	-0.05	0.39	97th Driest	Driest since: 2008	1944
	0.34	-0.05	0.39	29th Wettest	Wettest since: 2006	2020
	Ties: 1981

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

Kentucky, Climate Division 1

October 2009 Palmer Z-Index Rankings

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