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 1900 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1900 1-Month	-2.42	0.09	-2.51	9th Driest	Driest since: 1897	1963
October 1900 1-Month	-2.42	0.09	-2.51	122nd Wettest	Wettest since: 1899	1925
Sep–Oct 1900 2-Month	-2.30	0.00	-2.30	8th Driest	Driest since: 1897	1897
Sep–Oct 1900 2-Month	-2.30	0.00	-2.30	123rd Wettest	Wettest since: 1899	2006
Aug–Oct 1900 3-Month	-1.84	0.02	-1.86	9th Driest	Driest since: 1897	1953
Aug–Oct 1900 3-Month	-1.84	0.02	-1.86	122nd Wettest	Wettest since: 1899	1989
Jul–Oct 1900 4-Month	-1.52	-0.03	-1.49	15th Driest	Driest since: 1897	1930
Jul–Oct 1900 4-Month	-1.52	-0.03	-1.49	116th Wettest	Wettest since: 1899	1979
Jun–Oct 1900 5-Month	-1.12	0.03	-1.15	19th Driest	Driest since: 1899	1930
Jun–Oct 1900 5-Month	-1.12	0.03	-1.15	112th Wettest	Wettest since: 1898	1989
May–Oct 1900 6-Month	-1.15	0.02	-1.17	17th Driest	Driest since: 1899	1930
May–Oct 1900 6-Month	-1.15	0.02	-1.17	114th Wettest	Wettest since: 1898	1989
Apr–Oct 1900 7-Month	-1.36	0.03	-1.39	7th Driest	Driest to Date	1930
Apr–Oct 1900 7-Month	-1.36	0.03	-1.39	124th Wettest	Wettest since: 1899	1989
Mar–Oct 1900 8-Month	-1.32	0.03	-1.35	7th Driest	Driest to Date	1930
Mar–Oct 1900 8-Month	-1.32	0.03	-1.35	124th Wettest	Wettest since: 1899	1989
Feb–Oct 1900 9-Month	-1.09	0.02	-1.11	8th Driest	Driest to Date	1930
Feb–Oct 1900 9-Month	-1.09	0.02	-1.11	123rd Wettest	Wettest since: 1899	1989
Jan–Oct 1900 10-Month	-1.12	0.03	-1.15	7th Driest	Driest to Date	1930
Jan–Oct 1900 10-Month	-1.12	0.03	-1.15	124th Wettest	Wettest since: 1899	1989
Dec 1899–Oct 1900 11-Month	-1.13	0.04	-1.17	6th Driest	Driest to Date	1930
Dec 1899–Oct 1900 11-Month	-1.13	0.04	-1.17	124th Wettest	Wettest since: 1899	1979
Nov 1899–Oct 1900 12-Month	-1.29	0.03	-1.32	4th Driest	Driest to Date	1930
Nov 1899–Oct 1900 12-Month	-1.29	0.03	-1.32	126th Wettest	Wettest since: 1899	2020
May 1899–Oct 1900 18-Month	-1.26	0.02	-1.28	3rd Driest	Driest to Date	1931
May 1899–Oct 1900 18-Month	-1.26	0.02	-1.28	127th Wettest	Wettest since: 1899	2004
Nov 1898–Oct 1900 24-Month	-0.64	0.03	-0.67	11th Driest	Driest to Date	1931
Nov 1898–Oct 1900 24-Month	-0.64	0.03	-0.67	118th Wettest	Wettest since: 1899	2020
Nov 1897–Oct 1900 36-Month	-0.31	0.03	-0.34	24th Driest	Driest to Date	1932
Nov 1897–Oct 1900 36-Month	-0.31	0.03	-0.34	104th Wettest	Wettest since: 1899	2020
Nov 1896–Oct 1900 48-Month	-0.20	0.03	-0.23	32nd Driest	Driest to Date	1933, 2008
Nov 1896–Oct 1900 48-Month	-0.20	0.03	-0.23	95th Wettest	Wettest since: 1899	2021
Nov 1895–Oct 1900 60-Month	-0.23	0.03	-0.26	26th Driest	Driest to Date	1934
Nov 1895–Oct 1900 60-Month	-0.23	0.03	-0.26	100th Wettest	Wettest to Date	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 1900 Palmer Z-Index Rankings

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