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 2

December 1988 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1988 1-Month	0.70	0.02	0.68	86th Driest	Driest since: 1986	1930
December 1988 1-Month	0.70	0.02	0.68	45th Wettest	Wettest since: 1987	1978
Nov–Dec 1988 2-Month	2.09	-0.07	2.16	116th Driest	Driest since: 1987	1930
Nov–Dec 1988 2-Month	2.09	-0.07	2.16	15th Wettest	Wettest since: 1984	1978
Oct–Dec 1988 3-Month	1.43	0.00	1.43	106th Driest	Driest since: 1987	1953, 1963
Oct–Dec 1988 3-Month	1.43	0.00	1.43	25th Wettest	Wettest since: 1984	1926
Sep–Dec 1988 4-Month	1.61	-0.03	1.64	111th Driest	Driest since: 1987	1953
Sep–Dec 1988 4-Month	1.61	-0.03	1.64	20th Wettest	Wettest since: 1979	1979
Aug–Dec 1988 5-Month	1.11	-0.03	1.14	106th Driest	Driest since: 1987	1953
Aug–Dec 1988 5-Month	1.11	-0.03	1.14	25th Wettest	Wettest since: 1982	1979
Jul–Dec 1988 6-Month	1.08	-0.07	1.15	108th Driest	Driest since: 1987	1930
Jul–Dec 1988 6-Month	1.08	-0.07	1.15	23rd Wettest	Wettest since: 1982	1979
Jun–Dec 1988 7-Month	0.49	-0.04	0.53	86th Driest	Driest since: 1987	1930
Jun–Dec 1988 7-Month	0.49	-0.04	0.53	45th Wettest	Wettest since: 1982	1979
May–Dec 1988 8-Month	0.22	-0.04	0.26	76th Driest	Driest since: 1987	1930
May–Dec 1988 8-Month	0.22	-0.04	0.26	55th Wettest	Wettest since: 1985	1979
Apr–Dec 1988 9-Month	0.09	-0.04	0.13	69th Driest	Driest since: 1987	1930
Apr–Dec 1988 9-Month	0.09	-0.04	0.13	62nd Wettest	Wettest since: 1984	1979
Mar–Dec 1988 10-Month	-0.10	-0.04	-0.06	58th Driest	Driest since: 1987	1930
Mar–Dec 1988 10-Month	-0.10	-0.04	-0.06	73rd Wettest	Wettest since: 1984	1979
Feb–Dec 1988 11-Month	-0.10	-0.05	-0.05	54th Driest	Driest since: 1987	1930
Feb–Dec 1988 11-Month	-0.10	-0.05	-0.05	77th Wettest	Wettest since: 1984	1979
Jan–Dec 1988 12-Month	-0.12	-0.04	-0.08	54th Driest	Driest since: 1987	1930
Jan–Dec 1988 12-Month	-0.12	-0.04	-0.08	77th Wettest	Wettest since: 1984	1979
Jul 1987–Dec 1988 18-Month	-0.31	-0.04	-0.27	36th Driest	Driest since: 1987	1931
	-0.31	-0.04	-0.27	94th Wettest	Wettest since: 1986	1979
	Ties: 1899, 1908
Jan 1987–Dec 1988 24-Month	-0.54	-0.04	-0.50	19th Driest	Driest since: 1987	1931
	-0.54	-0.04	-0.50	111th Wettest	Wettest since: 1986	1979
	Ties: 1896, 1914
Jan 1986–Dec 1988 36-Month	-0.52	-0.03	-0.49	21st Driest	Driest since: 1987	1954
Jan 1986–Dec 1988 36-Month	-0.52	-0.03	-0.49	108th Wettest	Wettest since: 1986	2020
Jan 1985–Dec 1988 48-Month	-0.47	-0.03	-0.44	17th Driest	Driest since: 1956	1955
Jan 1985–Dec 1988 48-Month	-0.47	-0.03	-0.44	111th Wettest	Wettest since: 1987	2021
Jan 1984–Dec 1988 60-Month	-0.25	-0.03	-0.22	26th Driest	Driest since: 1966	1934
	-0.25	-0.03	-0.22	101st Wettest	Wettest since: 1987	2021
	Ties: 1900, 1936, 1938

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 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 2

December 1988 Palmer Z-Index Rankings

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