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

February 1990 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
February 1990 1-Month	1.00	-0.13	1.13	105th Driest	Driest since: 1988	1968
February 1990 1-Month	1.00	-0.13	1.13	27th Wettest	Wettest since: 1989	1956
Jan–Feb 1990 2-Month	0.04	0.00	0.04	72nd Driest	Driest since: 1988	1968
Jan–Feb 1990 2-Month	0.04	0.00	0.04	60th Wettest	Wettest since: 1989	1937
Dec 1989–Feb 1990 3-Month	-0.46	0.05	-0.51	44th Driest	Driest since: 1988	1931
Dec 1989–Feb 1990 3-Month	-0.46	0.05	-0.51	87th Wettest	Wettest since: 1989	1979
Nov 1989–Feb 1990 4-Month	-0.12	0.03	-0.15	59th Driest	Driest since: 1988	1931
Nov 1989–Feb 1990 4-Month	-0.12	0.03	-0.15	72nd Wettest	Wettest since: 1989	2019
Oct 1989–Feb 1990 5-Month	0.81	0.04	0.77	102nd Driest	Driest since: 1988	1931
Oct 1989–Feb 1990 5-Month	0.81	0.04	0.77	29th Wettest	Wettest since: 1989	2019
Sep 1989–Feb 1990 6-Month	1.39	0.01	1.38	123rd Driest	Driest since: 1988	1931
Sep 1989–Feb 1990 6-Month	1.39	0.01	1.38	8th Wettest	Wettest since: 1989	2019
Aug 1989–Feb 1990 7-Month	1.36	0.02	1.34	124th Driest	Driest since: 1989	1931
Aug 1989–Feb 1990 7-Month	1.36	0.02	1.34	7th Wettest	Wettest since: 1927	2019
Jul 1989–Feb 1990 8-Month	1.19	-0.01	1.20	121st Driest	Driest since: 1989	1931
	1.19	-0.01	1.20	10th Wettest	Wettest since: 1979	2019
	Ties: 1943
Jun 1989–Feb 1990 9-Month	1.51	0.02	1.49	127th Driest	Driest since: 1989	1931
Jun 1989–Feb 1990 9-Month	1.51	0.02	1.49	4th Wettest	Wettest since: 1951	2019
May 1989–Feb 1990 10-Month	1.58	0.02	1.56	128th Driest	Driest since: 1989	1931
May 1989–Feb 1990 10-Month	1.58	0.02	1.56	3rd Wettest	Wettest since: 1951	2019
Apr 1989–Feb 1990 11-Month	1.39	0.02	1.37	127th Driest	Driest since: 1989	1931
Apr 1989–Feb 1990 11-Month	1.39	0.02	1.37	4th Wettest	Wettest to Date	2019
Mar 1989–Feb 1990 12-Month	1.33	0.02	1.31	128th Driest	Driest since: 1989	1931
Mar 1989–Feb 1990 12-Month	1.33	0.02	1.31	3rd Wettest	Wettest since: 1936	2019
Sep 1988–Feb 1990 18-Month	1.36	0.02	1.34	127th Driest	Driest since: 1989	1931
Sep 1988–Feb 1990 18-Month	1.36	0.02	1.34	3rd Wettest	Wettest to Date	2020
Mar 1988–Feb 1990 24-Month	0.60	0.03	0.57	108th Driest	Driest since: 1989	1932
Mar 1988–Feb 1990 24-Month	0.60	0.03	0.57	22nd Wettest	Wettest since: 1980	2019, 2020
Mar 1987–Feb 1990 36-Month	0.06	0.03	0.03	59th Driest	Driest since: 1989	1942
	0.06	0.03	0.03	70th Wettest	Wettest since: 1981	2021
	Ties: 1936, 1958
Mar 1986–Feb 1990 48-Month	-0.13	0.03	-0.16	41st Driest	Driest since: 1989	1934
	-0.13	0.03	-0.16	87th Wettest	Wettest since: 1986	2022
	Ties: 1961, 1969
Mar 1985–Feb 1990 60-Month	-0.15	0.03	-0.18	34th Driest	Driest since: 1989	1935
	-0.15	0.03	-0.18	93rd Wettest	Wettest since: 1986	2022
	Ties: 1900, 1985

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on April 1, 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

February 1990 Palmer Z-Index Rankings

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