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 3

October 1964 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1964 1-Month	-2.21	0.08	-2.29	15th Driest	Driest since: 1963	1963
October 1964 1-Month	-2.21	0.08	-2.29	116th Wettest	Wettest since: 1962	2009
Sep–Oct 1964 2-Month	-1.06	-0.01	-1.05	32nd Driest	Driest since: 1963	1897
	-1.06	-0.01	-1.05	99th Wettest	Wettest since: 1962	2006
	Ties: 1944
Aug–Oct 1964 3-Month	-1.35	-0.02	-1.33	21st Driest	Driest since: 1963	1908
Aug–Oct 1964 3-Month	-1.35	-0.02	-1.33	110th Wettest	Wettest since: 1962	2018
Jul–Oct 1964 4-Month	-1.24	-0.07	-1.17	25th Driest	Driest since: 1953	1930
Jul–Oct 1964 4-Month	-1.24	-0.07	-1.17	106th Wettest	Wettest since: 1963	1979
Jun–Oct 1964 5-Month	-1.17	-0.03	-1.14	24th Driest	Driest since: 1953	1930
Jun–Oct 1964 5-Month	-1.17	-0.03	-1.14	107th Wettest	Wettest since: 1963	1979
May–Oct 1964 6-Month	-1.40	-0.03	-1.37	17th Driest	Driest since: 1953	1930
May–Oct 1964 6-Month	-1.40	-0.03	-1.37	114th Wettest	Wettest since: 1963	1979
Apr–Oct 1964 7-Month	-1.26	-0.04	-1.22	15th Driest	Driest since: 1953	1930
Apr–Oct 1964 7-Month	-1.26	-0.04	-1.22	116th Wettest	Wettest since: 1963	1979
Mar–Oct 1964 8-Month	-0.21	-0.04	-0.17	51st Driest	Driest since: 1963	1930
Mar–Oct 1964 8-Month	-0.21	-0.04	-0.17	80th Wettest	Wettest since: 1962	2018
Feb–Oct 1964 9-Month	-0.25	-0.04	-0.21	46th Driest	Driest since: 1963	1930
Feb–Oct 1964 9-Month	-0.25	-0.04	-0.21	85th Wettest	Wettest since: 1962	2018
Jan–Oct 1964 10-Month	-0.36	-0.02	-0.34	39th Driest	Driest since: 1963	1930
Jan–Oct 1964 10-Month	-0.36	-0.02	-0.34	92nd Wettest	Wettest since: 1962	2018
Dec 1963–Oct 1964 11-Month	-0.66	-0.02	-0.64	23rd Driest	Driest since: 1959	1930
	-0.66	-0.02	-0.64	107th Wettest	Wettest since: 1963	1979
	Ties: 1921
Nov 1963–Oct 1964 12-Month	-0.84	-0.03	-0.81	19th Driest	Driest since: 1954	1930
Nov 1963–Oct 1964 12-Month	-0.84	-0.03	-0.81	111th Wettest	Wettest since: 1963	1979
May 1963–Oct 1964 18-Month	-0.75	-0.04	-0.71	19th Driest	Driest since: 1954	1931
May 1963–Oct 1964 18-Month	-0.75	-0.04	-0.71	111th Wettest	Wettest since: 1963	1979
Nov 1962–Oct 1964 24-Month	-0.68	-0.03	-0.65	16th Driest	Driest since: 1954	1931
Nov 1962–Oct 1964 24-Month	-0.68	-0.03	-0.65	113th Wettest	Wettest since: 1963	2019
Nov 1961–Oct 1964 36-Month	-0.28	-0.03	-0.25	30th Driest	Driest since: 1955	1902
Nov 1961–Oct 1964 36-Month	-0.28	-0.03	-0.25	98th Wettest	Wettest since: 1963	2020
Nov 1960–Oct 1964 48-Month	-0.07	-0.03	-0.04	50th Driest	Driest since: 1957	1903
Nov 1960–Oct 1964 48-Month	-0.07	-0.03	-0.04	77th Wettest	Wettest since: 1963	2021
Nov 1959–Oct 1964 60-Month	-0.03	-0.03	0.00	53rd Driest	Driest since: 1957	1904
	-0.03	-0.03	0.00	73rd Wettest	Wettest since: 1963	2021
	Ties: 1921

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 3

October 1964 Palmer Z-Index Rankings

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