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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 4

October 1979 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
October 1979 1-Month	1.35	0.09	1.26	94th Driest	Driest since: 1978	1963
October 1979 1-Month	1.35	0.09	1.26	37th Wettest	Wettest since: 1977	1925
Sep–Oct 1979 2-Month	2.49	0.00	2.49	120th Driest	Driest since: 1978	1897
Sep–Oct 1979 2-Month	2.49	0.00	2.49	11th Wettest	Wettest since: 1976	2006
Aug–Oct 1979 3-Month	2.46	0.02	2.44	125th Driest	Driest since: 1978	1953
Aug–Oct 1979 3-Month	2.46	0.02	2.44	6th Wettest	Wettest to Date	1989
Jul–Oct 1979 4-Month	2.61	-0.03	2.64	130th Driest	Driest since: 1978	1930
Jul–Oct 1979 4-Month	2.61	-0.03	2.64	1st Wettest	Wettest to Date	1979
Jun–Oct 1979 5-Month	2.56	0.03	2.53	129th Driest	Driest since: 1978	1930
Jun–Oct 1979 5-Month	2.56	0.03	2.53	2nd Wettest	Wettest to Date	1989
May–Oct 1979 6-Month	2.32	0.02	2.30	128th Driest	Driest since: 1978	1930
May–Oct 1979 6-Month	2.32	0.02	2.30	3rd Wettest	Wettest to Date	1989
Apr–Oct 1979 7-Month	2.12	0.03	2.09	129th Driest	Driest since: 1978	1930
Apr–Oct 1979 7-Month	2.12	0.03	2.09	2nd Wettest	Wettest to Date	1989
Mar–Oct 1979 8-Month	1.54	0.03	1.51	124th Driest	Driest since: 1978	1930
Mar–Oct 1979 8-Month	1.54	0.03	1.51	7th Wettest	Wettest since: 1935	1989
Feb–Oct 1979 9-Month	1.45	0.02	1.43	123rd Driest	Driest since: 1978	1930
Feb–Oct 1979 9-Month	1.45	0.02	1.43	8th Wettest	Wettest since: 1935	1989
Jan–Oct 1979 10-Month	1.57	0.03	1.54	126th Driest	Driest since: 1978	1930
Jan–Oct 1979 10-Month	1.57	0.03	1.54	5th Wettest	Wettest since: 1935	1989
Dec 1978–Oct 1979 11-Month	2.05	0.04	2.01	129th Driest	Driest since: 1978	1930
Dec 1978–Oct 1979 11-Month	2.05	0.04	2.01	1st Wettest	Wettest to Date	1979
Nov 1978–Oct 1979 12-Month	1.83	0.03	1.80	127th Driest	Driest since: 1978	1930
Nov 1978–Oct 1979 12-Month	1.83	0.03	1.80	3rd Wettest	Wettest to Date	2020
May 1978–Oct 1979 18-Month	1.27	0.02	1.25	125th Driest	Driest since: 1978	1931
May 1978–Oct 1979 18-Month	1.27	0.02	1.25	5th Wettest	Wettest to Date	2004
Nov 1977–Oct 1979 24-Month	0.93	0.03	0.90	120th Driest	Driest since: 1978	1931
	0.93	0.03	0.90	9th Wettest	Wettest since: 1975	2020
	Ties: 1974
Nov 1976–Oct 1979 36-Month	0.59	0.03	0.56	109th Driest	Driest since: 1978	1932
Nov 1976–Oct 1979 36-Month	0.59	0.03	0.56	19th Wettest	Wettest since: 1976	2020
Nov 1975–Oct 1979 48-Month	0.53	0.03	0.50	106th Driest	Driest since: 1978	1933, 2008
Nov 1975–Oct 1979 48-Month	0.53	0.03	0.50	21st Wettest	Wettest since: 1977	2021
Nov 1974–Oct 1979 60-Month	0.66	0.03	0.63	116th Driest	Driest since: 1978	1934
Nov 1974–Oct 1979 60-Month	0.66	0.03	0.63	10th Wettest	Wettest since: 1976	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 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

October 1979 Palmer Z-Index Rankings

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