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 2020 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 2020 1-Month	4.14	0.10	4.04	125th Driest	Driest since: 2019	1963
October 2020 1-Month	4.14	0.10	4.04	6th Wettest	Wettest since: 2009	2009
Sep–Oct 2020 2-Month	2.53	0.00	2.53	123rd Driest	Driest since: 2019	1897
Sep–Oct 2020 2-Month	2.53	0.00	2.53	8th Wettest	Wettest since: 2009	2006
Aug–Oct 2020 3-Month	2.71	-0.03	2.74	127th Driest	Driest since: 2019	1953
Aug–Oct 2020 3-Month	2.71	-0.03	2.74	4th Wettest	Wettest since: 2009	2006
Jul–Oct 2020 4-Month	2.64	-0.07	2.71	126th Driest	Driest since: 2019	1953
	2.64	-0.07	2.71	5th Wettest	Wettest since: 2009	2009
	Ties: 1979
Jun–Oct 2020 5-Month	2.41	-0.02	2.43	127th Driest	Driest since: 2019	1953
Jun–Oct 2020 5-Month	2.41	-0.02	2.43	4th Wettest	Wettest since: 2009	2009
May–Oct 2020 6-Month	2.07	-0.03	2.10	127th Driest	Driest since: 2019	1930
May–Oct 2020 6-Month	2.07	-0.03	2.10	4th Wettest	Wettest since: 2009	2009
Apr–Oct 2020 7-Month	1.70	-0.03	1.73	122nd Driest	Driest since: 2019	1930
Apr–Oct 2020 7-Month	1.70	-0.03	1.73	9th Wettest	Wettest since: 2013	2009
Mar–Oct 2020 8-Month	1.66	-0.05	1.71	126th Driest	Driest since: 2019	1930
Mar–Oct 2020 8-Month	1.66	-0.05	1.71	5th Wettest	Wettest since: 2009	1979
Feb–Oct 2020 9-Month	1.63	-0.06	1.69	127th Driest	Driest since: 2019	1930
Feb–Oct 2020 9-Month	1.63	-0.06	1.69	4th Wettest	Wettest since: 2009	1979
Jan–Oct 2020 10-Month	1.52	-0.04	1.56	127th Driest	Driest since: 2019	1930
Jan–Oct 2020 10-Month	1.52	-0.04	1.56	4th Wettest	Wettest since: 2009	1950
Dec 2019–Oct 2020 11-Month	1.42	-0.04	1.46	125th Driest	Driest since: 2019	1936
Dec 2019–Oct 2020 11-Month	1.42	-0.04	1.46	5th Wettest	Wettest since: 2009	1979
Nov 2019–Oct 2020 12-Month	1.48	-0.06	1.54	126th Driest	Driest since: 2019	1936
Nov 2019–Oct 2020 12-Month	1.48	-0.06	1.54	4th Wettest	Wettest since: 1989	1979
May 2019–Oct 2020 18-Month	1.32	-0.05	1.37	127th Driest	Driest since: 2019	1931
May 2019–Oct 2020 18-Month	1.32	-0.05	1.37	3rd Wettest	Wettest since: 1979	1950
Nov 2018–Oct 2020 24-Month	1.41	-0.06	1.47	127th Driest	Driest since: 2019	1931
Nov 2018–Oct 2020 24-Month	1.41	-0.06	1.47	2nd Wettest	Wettest since: 1950	1950
Nov 2017–Oct 2020 36-Month	1.10	-0.06	1.16	126th Driest	Driest since: 2019	1942
Nov 2017–Oct 2020 36-Month	1.10	-0.06	1.16	2nd Wettest	Wettest since: 1951	1951
Nov 2016–Oct 2020 48-Month	0.85	-0.05	0.90	125th Driest	Driest since: 2019	1944
Nov 2016–Oct 2020 48-Month	0.85	-0.05	0.90	2nd Wettest	Wettest to Date	2021
Nov 2015–Oct 2020 60-Month	0.85	-0.05	0.90	125th Driest	Driest since: 2019	1944
Nov 2015–Oct 2020 60-Month	0.85	-0.05	0.90	1st Wettest	Wettest to Date	2020

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 2020 Palmer Z-Index Rankings

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