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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 1978 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1978 1-Month	1.17	0.12	1.05	105th Driest	Driest since: 1977	1931
January 1978 1-Month	1.17	0.12	1.05	27th Wettest	Wettest since: 1974	1937
Dec 1977–Jan 1978 2-Month	0.83	0.03	0.80	98th Driest	Driest since: 1977	1931
Dec 1977–Jan 1978 2-Month	0.83	0.03	0.80	33rd Wettest	Wettest since: 1974	1937
Nov 1977–Jan 1978 3-Month	1.01	-0.05	1.06	101st Driest	Driest since: 1977	1931
	1.01	-0.05	1.06	30th Wettest	Wettest since: 1974	1916
	Ties: 1969
Oct 1977–Jan 1978 4-Month	1.00	-0.01	1.01	104th Driest	Driest since: 1977	1964
Oct 1977–Jan 1978 4-Month	1.00	-0.01	1.01	27th Wettest	Wettest since: 1974	1950
Sep 1977–Jan 1978 5-Month	1.15	-0.03	1.18	106th Driest	Driest since: 1977	1964
Sep 1977–Jan 1978 5-Month	1.15	-0.03	1.18	25th Wettest	Wettest since: 1958	2007
Aug 1977–Jan 1978 6-Month	1.41	-0.04	1.45	118th Driest	Driest since: 1977	1931
Aug 1977–Jan 1978 6-Month	1.41	-0.04	1.45	13th Wettest	Wettest since: 1951	1916
Jul 1977–Jan 1978 7-Month	1.21	-0.06	1.27	116th Driest	Driest since: 1977	1931
	1.21	-0.06	1.27	15th Wettest	Wettest since: 1973	2007
	Ties: 1958
Jun 1977–Jan 1978 8-Month	1.06	-0.03	1.09	110th Driest	Driest since: 1977	1931
Jun 1977–Jan 1978 8-Month	1.06	-0.03	1.09	21st Wettest	Wettest since: 1975	1951
May 1977–Jan 1978 9-Month	0.71	-0.03	0.74	100th Driest	Driest since: 1977	1931
May 1977–Jan 1978 9-Month	0.71	-0.03	0.74	31st Wettest	Wettest since: 1975	1951
Apr 1977–Jan 1978 10-Month	0.64	-0.03	0.67	93rd Driest	Driest since: 1977	1931
Apr 1977–Jan 1978 10-Month	0.64	-0.03	0.67	38th Wettest	Wettest since: 1975	1980
Mar 1977–Jan 1978 11-Month	0.60	-0.05	0.65	98th Driest	Driest since: 1977	1931
	0.60	-0.05	0.65	33rd Wettest	Wettest since: 1976	1980
	Ties: 1949
Feb 1977–Jan 1978 12-Month	0.42	-0.06	0.48	89th Driest	Driest since: 1977	1931
Feb 1977–Jan 1978 12-Month	0.42	-0.06	0.48	42nd Wettest	Wettest since: 1976	1980
Aug 1976–Jan 1978 18-Month	0.07	-0.05	0.12	67th Driest	Driest since: 1967	1955
Aug 1976–Jan 1978 18-Month	0.07	-0.05	0.12	63rd Wettest	Wettest since: 1977	1951
Feb 1976–Jan 1978 24-Month	0.16	-0.05	0.21	78th Driest	Driest since: 1968	1932
Feb 1976–Jan 1978 24-Month	0.16	-0.05	0.21	52nd Wettest	Wettest since: 1977	1951
Feb 1975–Jan 1978 36-Month	0.45	-0.05	0.50	103rd Driest	Driest since: 1974	1955
Feb 1975–Jan 1978 36-Month	0.45	-0.05	0.50	26th Wettest	Wettest since: 1977	1951
Feb 1974–Jan 1978 48-Month	0.46	-0.05	0.51	108th Driest	Driest since: 1975	1945
Feb 1974–Jan 1978 48-Month	0.46	-0.05	0.51	20th Wettest	Wettest since: 1977	1952
Feb 1973–Jan 1978 60-Month	0.49	-0.06	0.55	112th Driest	Driest since: 1975	1945
Feb 1973–Jan 1978 60-Month	0.49	-0.06	0.55	15th Wettest	Wettest since: 1977	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 1978 Palmer Z-Index Rankings

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