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 1899 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1899 1-Month	-1.22	0.09	-1.31	34th Driest	Driest since: 1897	1963
October 1899 1-Month	-1.22	0.09	-1.31	97th Wettest	Wettest since: 1898	1925
Sep–Oct 1899 2-Month	-1.12	0.00	-1.12	33rd Driest	Driest since: 1897	1897
Sep–Oct 1899 2-Month	-1.12	0.00	-1.12	98th Wettest	Wettest since: 1898	2006
Aug–Oct 1899 3-Month	-1.30	0.02	-1.32	25th Driest	Driest since: 1897	1953
Aug–Oct 1899 3-Month	-1.30	0.02	-1.32	106th Wettest	Wettest since: 1898	1989
Jul–Oct 1899 4-Month	-1.45	-0.03	-1.42	17th Driest	Driest since: 1897	1930
Jul–Oct 1899 4-Month	-1.45	-0.03	-1.42	114th Wettest	Wettest since: 1898	1979
Jun–Oct 1899 5-Month	-1.42	0.03	-1.45	10th Driest	Driest to Date	1930
Jun–Oct 1899 5-Month	-1.42	0.03	-1.45	121st Wettest	Wettest since: 1898	1989
May–Oct 1899 6-Month	-1.21	0.02	-1.23	13th Driest	Driest to Date	1930
May–Oct 1899 6-Month	-1.21	0.02	-1.23	118th Wettest	Wettest since: 1898	1989
Apr–Oct 1899 7-Month	-1.14	0.03	-1.17	13th Driest	Driest to Date	1930
Apr–Oct 1899 7-Month	-1.14	0.03	-1.17	118th Wettest	Wettest since: 1898	1989
Mar–Oct 1899 8-Month	-0.44	0.03	-0.47	30th Driest	Driest since: 1895	1930
Mar–Oct 1899 8-Month	-0.44	0.03	-0.47	101st Wettest	Wettest since: 1898	1989
Feb–Oct 1899 9-Month	-0.20	0.02	-0.22	49th Driest	Driest since: 1895	1930
Feb–Oct 1899 9-Month	-0.20	0.02	-0.22	82nd Wettest	Wettest since: 1898	1989
Jan–Oct 1899 10-Month	-0.01	0.03	-0.04	61st Driest	Driest since: 1896	1930
Jan–Oct 1899 10-Month	-0.01	0.03	-0.04	70th Wettest	Wettest since: 1898	1989
Dec 1898–Oct 1899 11-Month	-0.05	0.04	-0.09	56th Driest	Driest since: 1896	1930
Dec 1898–Oct 1899 11-Month	-0.05	0.04	-0.09	74th Wettest	Wettest since: 1898	1979
Nov 1898–Oct 1899 12-Month	0.02	0.03	-0.01	59th Driest	Driest since: 1896	1930
Nov 1898–Oct 1899 12-Month	0.02	0.03	-0.01	71st Wettest	Wettest since: 1898	2020
May 1898–Oct 1899 18-Month	0.23	0.02	0.21	74th Driest	Driest since: 1898	1931
May 1898–Oct 1899 18-Month	0.23	0.02	0.21	56th Wettest	Wettest to Date	2004
Nov 1897–Oct 1899 24-Month	0.18	0.03	0.15	69th Driest	Driest since: 1897	1931
Nov 1897–Oct 1899 24-Month	0.18	0.03	0.15	60th Wettest	Wettest since: 1898	2020
Nov 1896–Oct 1899 36-Month	0.17	0.03	0.14	69th Driest	Driest since: 1898	1932
Nov 1896–Oct 1899 36-Month	0.17	0.03	0.14	59th Wettest	Wettest to Date	2020
Nov 1895–Oct 1899 48-Month	0.04	0.03	0.01	55th Driest	Driest to Date	1933, 2008
Nov 1895–Oct 1899 48-Month	0.04	0.03	0.01	72nd 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 1899 Palmer Z-Index Rankings

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