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.

Virginia, Climate Division 3

December 1975 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1975 1-Month	0.07	0.08	-0.01	69th Driest	Driest since: 1971	1965
December 1975 1-Month	0.07	0.08	-0.01	62nd Wettest	Wettest since: 1974	2009
Nov–Dec 1975 2-Month	-0.47	-0.08	-0.39	53rd Driest	Driest since: 1971	2021
Nov–Dec 1975 2-Month	-0.47	-0.08	-0.39	78th Wettest	Wettest since: 1974	2009
Oct–Dec 1975 3-Month	-0.38	-0.12	-0.26	50th Driest	Driest since: 1974	2001
	-0.38	-0.12	-0.26	81st Wettest	Wettest since: 1973	2018
	Ties: 1910
Sep–Dec 1975 4-Month	0.81	-0.10	0.91	99th Driest	Driest since: 1974	1933, 1998
Sep–Dec 1975 4-Month	0.81	-0.10	0.91	32nd Wettest	Wettest since: 1972	2018
Aug–Dec 1975 5-Month	0.52	-0.06	0.58	95th Driest	Driest since: 1974	1941
Aug–Dec 1975 5-Month	0.52	-0.06	0.58	36th Wettest	Wettest since: 1972	2018
Jul–Dec 1975 6-Month	0.90	-0.07	0.97	108th Driest	Driest since: 1974	1930
Jul–Dec 1975 6-Month	0.90	-0.07	0.97	23rd Wettest	Wettest since: 1972	2018
Jun–Dec 1975 7-Month	0.81	-0.02	0.83	105th Driest	Driest since: 1974	1930
Jun–Dec 1975 7-Month	0.81	-0.02	0.83	26th Wettest	Wettest since: 1972	2018
May–Dec 1975 8-Month	0.74	-0.04	0.78	101st Driest	Driest since: 1974	1930
May–Dec 1975 8-Month	0.74	-0.04	0.78	30th Wettest	Wettest since: 1972	2018
Apr–Dec 1975 9-Month	0.49	-0.04	0.53	97th Driest	Driest since: 1974	1930
	0.49	-0.04	0.53	34th Wettest	Wettest since: 1972	2018
	Ties: 1913
Mar–Dec 1975 10-Month	1.07	-0.03	1.10	120th Driest	Driest since: 1974	1930
Mar–Dec 1975 10-Month	1.07	-0.03	1.10	11th Wettest	Wettest since: 1972	2018
Feb–Dec 1975 11-Month	0.97	-0.03	1.00	118th Driest	Driest since: 1974	1930
Feb–Dec 1975 11-Month	0.97	-0.03	1.00	13th Wettest	Wettest since: 1972	2003
Jan–Dec 1975 12-Month	0.97	-0.01	0.98	119th Driest	Driest since: 1974	1930
Jan–Dec 1975 12-Month	0.97	-0.01	0.98	12th Wettest	Wettest since: 1972	2003
Jul 1974–Dec 1975 18-Month	0.70	-0.04	0.74	121st Driest	Driest since: 1974	1931, 1999
Jul 1974–Dec 1975 18-Month	0.70	-0.04	0.74	9th Wettest	Wettest since: 1972	2003
Jan 1974–Dec 1975 24-Month	0.53	-0.01	0.54	113th Driest	Driest since: 1974	1931
Jan 1974–Dec 1975 24-Month	0.53	-0.01	0.54	17th Wettest	Wettest since: 1973	2004
Jan 1973–Dec 1975 36-Month	0.43	-0.01	0.44	112th Driest	Driest since: 1971	1965
Jan 1973–Dec 1975 36-Month	0.43	-0.01	0.44	17th Wettest	Wettest since: 1974	2020
Jan 1972–Dec 1975 48-Month	0.71	-0.01	0.72	125th Driest	Driest since: 1974	1933
Jan 1972–Dec 1975 48-Month	0.71	-0.01	0.72	3rd Wettest	Wettest to Date	2020
Jan 1971–Dec 1975 60-Month	0.67	-0.01	0.68	125th Driest	Driest since: 1974	1967
Jan 1971–Dec 1975 60-Month	0.67	-0.01	0.68	2nd Wettest	Wettest to Date	2020

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

Virginia, Climate Division 3

December 1975 Palmer Z-Index Rankings

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