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.

Washington, Climate Division 1

December 1942 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1942 1-Month	-0.92	-0.19	-0.73	45th Driest	Driest since: 1940	1985
December 1942 1-Month	-0.92	-0.19	-0.73	86th Wettest	Wettest since: 1941	1933
Nov–Dec 1942 2-Month	-0.34	-0.03	-0.31	56th Driest	Driest since: 1941	1976
Nov–Dec 1942 2-Month	-0.34	-0.03	-0.31	75th Wettest	Wettest since: 1939	1998
Oct–Dec 1942 3-Month	-0.29	-0.04	-0.25	49th Driest	Driest since: 1941	2013
Oct–Dec 1942 3-Month	-0.29	-0.04	-0.25	82nd Wettest	Wettest since: 1940	1975
Sep–Dec 1942 4-Month	-0.90	-0.03	-0.87	26th Driest	Driest since: 1936	1976
	-0.90	-0.03	-0.87	105th Wettest	Wettest since: 1941	1933
	Ties: 1908
Aug–Dec 1942 5-Month	-0.99	-0.05	-0.94	20th Driest	Driest since: 1936	1929
Aug–Dec 1942 5-Month	-0.99	-0.05	-0.94	111th Wettest	Wettest since: 1941	1975
Jul–Dec 1942 6-Month	-0.57	-0.08	-0.49	40th Driest	Driest since: 1938	1930
Jul–Dec 1942 6-Month	-0.57	-0.08	-0.49	91st Wettest	Wettest since: 1941	1975
Jun–Dec 1942 7-Month	-0.07	-0.06	-0.01	66th Driest	Driest since: 1940	1944
Jun–Dec 1942 7-Month	-0.07	-0.06	-0.01	65th Wettest	Wettest since: 1941	1997
May–Dec 1942 8-Month	-0.20	-0.04	-0.16	58th Driest	Driest since: 1940	2023
May–Dec 1942 8-Month	-0.20	-0.04	-0.16	73rd Wettest	Wettest since: 1941	1997
Apr–Dec 1942 9-Month	-0.26	-0.04	-0.22	49th Driest	Driest since: 1940	1935
	-0.26	-0.04	-0.22	82nd Wettest	Wettest since: 1941	1997
	Ties: 1936
Mar–Dec 1942 10-Month	-0.42	-0.05	-0.37	38th Driest	Driest since: 1940	1992
Mar–Dec 1942 10-Month	-0.42	-0.05	-0.37	93rd Wettest	Wettest since: 1941	1997
Feb–Dec 1942 11-Month	-0.58	-0.06	-0.52	31st Driest	Driest since: 1938	1992
Feb–Dec 1942 11-Month	-0.58	-0.06	-0.52	100th Wettest	Wettest since: 1941	1997
Jan–Dec 1942 12-Month	-0.67	-0.06	-0.61	23rd Driest	Driest since: 1938	2019
Jan–Dec 1942 12-Month	-0.67	-0.06	-0.61	108th Wettest	Wettest since: 1941	1997
Jul 1941–Dec 1942 18-Month	-0.40	-0.06	-0.34	34th Driest	Driest since: 1939	2023
Jul 1941–Dec 1942 18-Month	-0.40	-0.06	-0.34	96th Wettest	Wettest since: 1941	1997
Jan 1941–Dec 1942 24-Month	-0.53	-0.05	-0.48	21st Driest	Driest since: 1939	1930
Jan 1941–Dec 1942 24-Month	-0.53	-0.05	-0.48	109th Wettest	Wettest since: 1941	1997
Jan 1940–Dec 1942 36-Month	-0.45	-0.05	-0.40	23rd Driest	Driest since: 1940	1930
Jan 1940–Dec 1942 36-Month	-0.45	-0.05	-0.40	106th Wettest	Wettest since: 1941	1997
Jan 1939–Dec 1942 48-Month	-0.43	-0.05	-0.38	19th Driest	Driest since: 1941	1925
Jan 1939–Dec 1942 48-Month	-0.43	-0.05	-0.38	109th Wettest	Wettest since: 1940	1999
Jan 1938–Dec 1942 60-Month	-0.55	-0.05	-0.50	11th Driest	Driest since: 1930	1926
Jan 1938–Dec 1942 60-Month	-0.55	-0.05	-0.50	116th Wettest	Wettest since: 1941	1903

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

Washington, Climate Division 1

December 1942 Palmer Z-Index Rankings

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