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 1

January 1940 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
January 1940 1-Month	-2.11	0.12	-2.23	11th Driest	Driest since: 1931	1931
January 1940 1-Month	-2.11	0.12	-2.23	121st Wettest	Wettest since: 1939	1937
Dec 1939–Jan 1940 2-Month	-2.37	0.03	-2.40	6th Driest	Driest since: 1931	1931
Dec 1939–Jan 1940 2-Month	-2.37	0.03	-2.40	125th Wettest	Wettest since: 1939	1937
Nov 1939–Jan 1940 3-Month	-2.54	-0.05	-2.49	4th Driest	Driest since: 1931	1931
Nov 1939–Jan 1940 3-Month	-2.54	-0.05	-2.49	127th Wettest	Wettest since: 1939	1916
Oct 1939–Jan 1940 4-Month	-2.38	-0.01	-2.37	4th Driest	Driest since: 1931	1964
Oct 1939–Jan 1940 4-Month	-2.38	-0.01	-2.37	127th Wettest	Wettest since: 1939	1950
Sep 1939–Jan 1940 5-Month	-2.62	-0.03	-2.59	2nd Driest	Driest to Date	1964
Sep 1939–Jan 1940 5-Month	-2.62	-0.03	-2.59	129th Wettest	Wettest since: 1939	2007
Aug 1939–Jan 1940 6-Month	-2.38	-0.04	-2.34	3rd Driest	Driest since: 1931	1931
Aug 1939–Jan 1940 6-Month	-2.38	-0.04	-2.34	128th Wettest	Wettest since: 1939	1916
Jul 1939–Jan 1940 7-Month	-2.17	-0.06	-2.11	3rd Driest	Driest since: 1931	1931
Jul 1939–Jan 1940 7-Month	-2.17	-0.06	-2.11	128th Wettest	Wettest since: 1939	2007
Jun 1939–Jan 1940 8-Month	-1.83	-0.03	-1.80	6th Driest	Driest since: 1931	1931
Jun 1939–Jan 1940 8-Month	-1.83	-0.03	-1.80	125th Wettest	Wettest since: 1939	1951
May 1939–Jan 1940 9-Month	-1.85	-0.03	-1.82	4th Driest	Driest since: 1931	1931
May 1939–Jan 1940 9-Month	-1.85	-0.03	-1.82	127th Wettest	Wettest since: 1939	1951
Apr 1939–Jan 1940 10-Month	-1.42	-0.03	-1.39	7th Driest	Driest since: 1931	1931
Apr 1939–Jan 1940 10-Month	-1.42	-0.03	-1.39	124th Wettest	Wettest since: 1939	1980
Mar 1939–Jan 1940 11-Month	-1.27	-0.05	-1.22	8th Driest	Driest since: 1931	1931
Mar 1939–Jan 1940 11-Month	-1.27	-0.05	-1.22	123rd Wettest	Wettest since: 1939	1980
Feb 1939–Jan 1940 12-Month	-0.83	-0.06	-0.77	19th Driest	Driest since: 1931	1931
	-0.83	-0.06	-0.77	112th Wettest	Wettest since: 1939	1980
	Ties: 1915
Aug 1938–Jan 1940 18-Month	-0.68	-0.05	-0.63	20th Driest	Driest since: 1937	1955
Aug 1938–Jan 1940 18-Month	-0.68	-0.05	-0.63	110th Wettest	Wettest since: 1939	1951
Feb 1938–Jan 1940 24-Month	-0.40	-0.05	-0.35	28th Driest	Driest since: 1938	1932
Feb 1938–Jan 1940 24-Month	-0.40	-0.05	-0.35	102nd Wettest	Wettest since: 1939	1951
Feb 1937–Jan 1940 36-Month	-0.39	-0.05	-0.34	25th Driest	Driest since: 1933	1955
Feb 1937–Jan 1940 36-Month	-0.39	-0.05	-0.34	104th Wettest	Wettest since: 1939	1951
Feb 1936–Jan 1940 48-Month	-0.42	-0.05	-0.37	21st Driest	Driest since: 1934	1945
Feb 1936–Jan 1940 48-Month	-0.42	-0.05	-0.37	107th Wettest	Wettest since: 1939	1952
Feb 1935–Jan 1940 60-Month	-0.30	-0.06	-0.24	25th Driest	Driest since: 1935	1945
	-0.30	-0.06	-0.24	102nd Wettest	Wettest since: 1939	2020, 2021
	Ties: 1919

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 1940 Palmer Z-Index Rankings

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