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 4

October 2013 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 2013 1-Month	0.25	0.09	0.16	77th Driest	Driest since: 2010	1963
	0.25	0.09	0.16	54th Wettest	Wettest since: 2012	1925
	Ties: 1974
Sep–Oct 2013 2-Month	0.54	0.00	0.54	81st Driest	Driest since: 2010	1897
Sep–Oct 2013 2-Month	0.54	0.00	0.54	50th Wettest	Wettest since: 2012	2006
Aug–Oct 2013 3-Month	1.00	0.02	0.98	98th Driest	Driest since: 2010	1953
	1.00	0.02	0.98	33rd Wettest	Wettest since: 2012	1989
	Ties: 1920
Jul–Oct 2013 4-Month	1.32	-0.03	1.35	109th Driest	Driest since: 2011	1930
Jul–Oct 2013 4-Month	1.32	-0.03	1.35	22nd Wettest	Wettest since: 2012	1979
Jun–Oct 2013 5-Month	1.57	0.03	1.54	112th Driest	Driest since: 2012	1930
Jun–Oct 2013 5-Month	1.57	0.03	1.54	19th Wettest	Wettest since: 2009	1989
May–Oct 2013 6-Month	1.24	0.02	1.22	109th Driest	Driest since: 2012	1930
May–Oct 2013 6-Month	1.24	0.02	1.22	22nd Wettest	Wettest since: 2009	1989
Apr–Oct 2013 7-Month	1.12	0.03	1.09	110th Driest	Driest since: 2012	1930
Apr–Oct 2013 7-Month	1.12	0.03	1.09	21st Wettest	Wettest since: 2011	1989
Mar–Oct 2013 8-Month	1.08	0.03	1.05	113th Driest	Driest since: 2012	1930
Mar–Oct 2013 8-Month	1.08	0.03	1.05	18th Wettest	Wettest since: 2011	1989
Feb–Oct 2013 9-Month	0.72	0.02	0.70	102nd Driest	Driest since: 2012	1930
Feb–Oct 2013 9-Month	0.72	0.02	0.70	29th Wettest	Wettest since: 2011	1989
Jan–Oct 2013 10-Month	0.81	0.03	0.78	106th Driest	Driest since: 2012	1930
Jan–Oct 2013 10-Month	0.81	0.03	0.78	25th Wettest	Wettest since: 2011	1989
Dec 2012–Oct 2013 11-Month	0.89	0.04	0.85	106th Driest	Driest since: 2012	1930
Dec 2012–Oct 2013 11-Month	0.89	0.04	0.85	24th Wettest	Wettest since: 2011	1979
Nov 2012–Oct 2013 12-Month	0.69	0.03	0.66	100th Driest	Driest since: 2012	1930
Nov 2012–Oct 2013 12-Month	0.69	0.03	0.66	30th Wettest	Wettest since: 2011	2020
May 2012–Oct 2013 18-Month	0.64	0.02	0.62	103rd Driest	Driest since: 2012	1931
May 2012–Oct 2013 18-Month	0.64	0.02	0.62	27th Wettest	Wettest since: 2011	2004
Nov 2011–Oct 2013 24-Month	0.47	0.03	0.44	99th Driest	Driest since: 2011	1931
	0.47	0.03	0.44	30th Wettest	Wettest since: 2012	2020
	Ties: 1916
Nov 2010–Oct 2013 36-Month	0.68	0.03	0.65	116th Driest	Driest since: 2012	1932
Nov 2010–Oct 2013 36-Month	0.68	0.03	0.65	12th Wettest	Wettest since: 2005	2020
Nov 2009–Oct 2013 48-Month	0.46	0.03	0.43	103rd Driest	Driest since: 2011	1933, 2008
	0.46	0.03	0.43	24th Wettest	Wettest since: 2012	2021
	Ties: 1973
Nov 2008–Oct 2013 60-Month	0.58	0.03	0.55	111th Driest	Driest since: 2012	1934
Nov 2008–Oct 2013 60-Month	0.58	0.03	0.55	15th Wettest	Wettest since: 1979	2021

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 4

October 2013 Palmer Z-Index Rankings

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