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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

January 1971 Palmer Z-Index Rankings

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Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1971 1-Month	0.40	0.14	0.26	79th Driest	Driest since: 1970	1931
January 1971 1-Month	0.40	0.14	0.26	53rd Wettest	Wettest since: 1962	1937
Dec 1970–Jan 1971 2-Month	0.31	0.14	0.17	79th Driest	Driest since: 1970	1931
Dec 1970–Jan 1971 2-Month	0.31	0.14	0.17	52nd Wettest	Wettest since: 1965	1979
Nov 1970–Jan 1971 3-Month	0.07	0.08	-0.01	67th Driest	Driest since: 1970	1931
Nov 1970–Jan 1971 3-Month	0.07	0.08	-0.01	64th Wettest	Wettest since: 1968	1952, 1979
Oct 1970–Jan 1971 4-Month	0.67	0.08	0.59	93rd Driest	Driest since: 1970	1931
Oct 1970–Jan 1971 4-Month	0.67	0.08	0.59	38th Wettest	Wettest since: 1957	1920
Sep 1970–Jan 1971 5-Month	0.82	0.04	0.78	95th Driest	Driest since: 1970	1931
Sep 1970–Jan 1971 5-Month	0.82	0.04	0.78	36th Wettest	Wettest since: 1958	2019
Aug 1970–Jan 1971 6-Month	0.87	0.04	0.83	101st Driest	Driest since: 1970	1931
Aug 1970–Jan 1971 6-Month	0.87	0.04	0.83	30th Wettest	Wettest since: 1952	2019
Jul 1970–Jan 1971 7-Month	0.46	0.00	0.46	81st Driest	Driest since: 1970	1931
Jul 1970–Jan 1971 7-Month	0.46	0.00	0.46	50th Wettest	Wettest since: 1968	2019
Jun 1970–Jan 1971 8-Month	0.31	0.04	0.27	73rd Driest	Driest since: 1970	1931
	0.31	0.04	0.27	58th Wettest	Wettest since: 1968	2019
	Ties: 1959, 1961
May 1970–Jan 1971 9-Month	0.06	0.03	0.03	58th Driest	Driest since: 1970	1931
May 1970–Jan 1971 9-Month	0.06	0.03	0.03	73rd Wettest	Wettest since: 1968	2019
Apr 1970–Jan 1971 10-Month	0.34	0.03	0.31	76th Driest	Driest since: 1970	1931
Apr 1970–Jan 1971 10-Month	0.34	0.03	0.31	55th Wettest	Wettest since: 1968	2019
Mar 1970–Jan 1971 11-Month	0.20	0.04	0.16	67th Driest	Driest since: 1970	1931
Mar 1970–Jan 1971 11-Month	0.20	0.04	0.16	64th Wettest	Wettest since: 1968	2019
Feb 1970–Jan 1971 12-Month	0.21	0.02	0.19	72nd Driest	Driest since: 1970	1931
	0.21	0.02	0.19	59th Wettest	Wettest since: 1968	2019
	Ties: 1946
Aug 1969–Jan 1971 18-Month	-0.05	0.03	-0.08	56th Driest	Driest since: 1970	1931
	-0.05	0.03	-0.08	74th Wettest	Wettest since: 1968	2020
	Ties: 1903
Feb 1969–Jan 1971 24-Month	-0.30	0.03	-0.33	34th Driest	Driest since: 1970	1932
Feb 1969–Jan 1971 24-Month	-0.30	0.03	-0.33	96th Wettest	Wettest since: 1969	2020
Feb 1968–Jan 1971 36-Month	-0.29	0.03	-0.32	26th Driest	Driest since: 1966	1955
Feb 1968–Jan 1971 36-Month	-0.29	0.03	-0.32	103rd Wettest	Wettest since: 1970	2021
Feb 1967–Jan 1971 48-Month	-0.10	0.03	-0.13	44th Driest	Driest since: 1970	1956
	-0.10	0.03	-0.13	84th Wettest	Wettest since: 1968	2022
	Ties: 1899
Feb 1966–Jan 1971 60-Month	-0.07	0.03	-0.10	41st Driest	Driest since: 1970	1935
Feb 1966–Jan 1971 60-Month	-0.07	0.03	-0.10	86th Wettest	Wettest since: 1966	2022, 2023

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 29, 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

January 1971 Palmer Z-Index Rankings

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