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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 1

January 1989 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1989 1-Month	0.80	0.12	0.68	96th Driest	Driest since: 1988	1931
January 1989 1-Month	0.80	0.12	0.68	36th Wettest	Wettest since: 1982	1937
Dec 1988–Jan 1989 2-Month	0.44	0.03	0.41	84th Driest	Driest since: 1987	1931
Dec 1988–Jan 1989 2-Month	0.44	0.03	0.41	47th Wettest	Wettest since: 1988	1937
Nov 1988–Jan 1989 3-Month	1.70	-0.05	1.75	116th Driest	Driest since: 1988	1931
Nov 1988–Jan 1989 3-Month	1.70	-0.05	1.75	15th Wettest	Wettest since: 1979	1916
Oct 1988–Jan 1989 4-Month	1.46	-0.01	1.47	114th Driest	Driest since: 1988	1964
Oct 1988–Jan 1989 4-Month	1.46	-0.01	1.47	17th Wettest	Wettest since: 1985	1950
Sep 1988–Jan 1989 5-Month	1.19	-0.03	1.22	109th Driest	Driest since: 1988	1964
Sep 1988–Jan 1989 5-Month	1.19	-0.03	1.22	22nd Wettest	Wettest since: 1985	2007
Aug 1988–Jan 1989 6-Month	0.98	-0.04	1.02	106th Driest	Driest since: 1988	1931
Aug 1988–Jan 1989 6-Month	0.98	-0.04	1.02	25th Wettest	Wettest since: 1986	1916
Jul 1988–Jan 1989 7-Month	0.81	-0.06	0.87	97th Driest	Driest since: 1988	1931
Jul 1988–Jan 1989 7-Month	0.81	-0.06	0.87	34th Wettest	Wettest since: 1986	2007
Jun 1988–Jan 1989 8-Month	0.34	-0.03	0.37	74th Driest	Driest since: 1988	1931
Jun 1988–Jan 1989 8-Month	0.34	-0.03	0.37	57th Wettest	Wettest since: 1986	1951
May 1988–Jan 1989 9-Month	0.14	-0.03	0.17	64th Driest	Driest since: 1988	1931
May 1988–Jan 1989 9-Month	0.14	-0.03	0.17	67th Wettest	Wettest since: 1986	1951
Apr 1988–Jan 1989 10-Month	-0.03	-0.03	0.00	63rd Driest	Driest since: 1988	1931
Apr 1988–Jan 1989 10-Month	-0.03	-0.03	0.00	68th Wettest	Wettest since: 1986	1980
Mar 1988–Jan 1989 11-Month	-0.17	-0.05	-0.12	56th Driest	Driest since: 1988	1931
	-0.17	-0.05	-0.12	75th Wettest	Wettest since: 1986	1980
	Ties: 1901
Feb 1988–Jan 1989 12-Month	-0.10	-0.06	-0.04	57th Driest	Driest since: 1988	1931
	-0.10	-0.06	-0.04	74th Wettest	Wettest since: 1986	1980
	Ties: 1977
Aug 1987–Jan 1989 18-Month	-0.30	-0.05	-0.25	40th Driest	Driest since: 1988	1955
Aug 1987–Jan 1989 18-Month	-0.30	-0.05	-0.25	90th Wettest	Wettest since: 1987	1951
Feb 1987–Jan 1989 24-Month	-0.51	-0.05	-0.46	20th Driest	Driest since: 1988	1932
Feb 1987–Jan 1989 24-Month	-0.51	-0.05	-0.46	110th Wettest	Wettest since: 1987	1951
Feb 1986–Jan 1989 36-Month	-0.48	-0.05	-0.43	20th Driest	Driest since: 1966	1955
	-0.48	-0.05	-0.43	109th Wettest	Wettest since: 1988	1951
	Ties: 1906, 1916
Feb 1985–Jan 1989 48-Month	-0.19	-0.05	-0.14	32nd Driest	Driest since: 1967	1945
	-0.19	-0.05	-0.14	96th Wettest	Wettest since: 1988	1952
	Ties: 1920, 1922
Feb 1984–Jan 1989 60-Month	0.06	-0.06	0.12	66th Driest	Driest since: 1969	1945
Feb 1984–Jan 1989 60-Month	0.06	-0.06	0.12	61st Wettest	Wettest since: 1988	2020, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 28, 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 1

January 1989 Palmer Z-Index Rankings

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