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 1914 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1914 1-Month	-4.74	-0.19	-4.55	2nd Driest	Driest to Date	1985
December 1914 1-Month	-4.74	-0.19	-4.55	129th Wettest	Wettest since: 1913	1933
Nov–Dec 1914 2-Month	-1.80	-0.03	-1.77	12th Driest	Driest to Date	1976
Nov–Dec 1914 2-Month	-1.80	-0.03	-1.77	119th Wettest	Wettest since: 1913	1998
Oct–Dec 1914 3-Month	-1.00	-0.04	-0.96	25th Driest	Driest since: 1911	2013
Oct–Dec 1914 3-Month	-1.00	-0.04	-0.96	106th Wettest	Wettest since: 1913	1975
Sep–Dec 1914 4-Month	-0.29	-0.03	-0.26	48th Driest	Driest since: 1911	1976
Sep–Dec 1914 4-Month	-0.29	-0.03	-0.26	83rd Wettest	Wettest since: 1913	1933
Aug–Dec 1914 5-Month	-0.58	-0.05	-0.53	35th Driest	Driest since: 1911	1929
Aug–Dec 1914 5-Month	-0.58	-0.05	-0.53	96th Wettest	Wettest since: 1913	1975
Jul–Dec 1914 6-Month	-0.75	-0.08	-0.67	27th Driest	Driest since: 1911	1930
Jul–Dec 1914 6-Month	-0.75	-0.08	-0.67	104th Wettest	Wettest since: 1913	1975
Jun–Dec 1914 7-Month	-0.50	-0.06	-0.44	44th Driest	Driest since: 1911	1944
Jun–Dec 1914 7-Month	-0.50	-0.06	-0.44	87th Wettest	Wettest since: 1913	1997
May–Dec 1914 8-Month	-0.65	-0.04	-0.61	28th Driest	Driest to Date	2023
May–Dec 1914 8-Month	-0.65	-0.04	-0.61	103rd Wettest	Wettest since: 1913	1997
Apr–Dec 1914 9-Month	-0.62	-0.04	-0.58	23rd Driest	Driest to Date	1935
Apr–Dec 1914 9-Month	-0.62	-0.04	-0.58	108th Wettest	Wettest since: 1913	1997
Mar–Dec 1914 10-Month	-0.73	-0.05	-0.68	20th Driest	Driest since: 1911	1992
Mar–Dec 1914 10-Month	-0.73	-0.05	-0.68	111th Wettest	Wettest since: 1913	1997
Feb–Dec 1914 11-Month	-0.86	-0.06	-0.80	16th Driest	Driest since: 1911	1992
Feb–Dec 1914 11-Month	-0.86	-0.06	-0.80	115th Wettest	Wettest since: 1913	1997
Jan–Dec 1914 12-Month	-0.58	-0.06	-0.52	29th Driest	Driest since: 1911	2019
Jan–Dec 1914 12-Month	-0.58	-0.06	-0.52	102nd Wettest	Wettest since: 1913	1997
Jul 1913–Dec 1914 18-Month	-0.45	-0.06	-0.39	29th Driest	Driest since: 1911	2023
Jul 1913–Dec 1914 18-Month	-0.45	-0.06	-0.39	101st Wettest	Wettest since: 1913	1997
Jan 1913–Dec 1914 24-Month	-0.45	-0.05	-0.40	26th Driest	Driest since: 1911	1930
Jan 1913–Dec 1914 24-Month	-0.45	-0.05	-0.40	104th Wettest	Wettest since: 1913	1997
Jan 1912–Dec 1914 36-Month	-0.28	-0.05	-0.23	41st Driest	Driest since: 1913	1930
Jan 1912–Dec 1914 36-Month	-0.28	-0.05	-0.23	88th Wettest	Wettest since: 1910	1997
Jan 1911–Dec 1914 48-Month	-0.43	-0.05	-0.38	19th Driest	Driest to Date	1925
Jan 1911–Dec 1914 48-Month	-0.43	-0.05	-0.38	109th Wettest	Wettest since: 1913	1999
Jan 1910–Dec 1914 60-Month	-0.38	-0.05	-0.33	21st Driest	Driest to Date	1926
Jan 1910–Dec 1914 60-Month	-0.38	-0.05	-0.33	106th Wettest	Wettest since: 1913	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 1914 Palmer Z-Index Rankings

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