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.

Oregon, Climate Division 1

December 1922 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1922 1-Month	0.89	-0.20	1.09	95th Driest	Driest since: 1921	2013
December 1922 1-Month	0.89	-0.20	1.09	36th Wettest	Wettest since: 1920	2015
Nov–Dec 1922 2-Month	-0.84	-0.04	-0.80	36th Driest	Driest since: 1918	2013
Nov–Dec 1922 2-Month	-0.84	-0.04	-0.80	95th Wettest	Wettest since: 1921	1973
Oct–Dec 1922 3-Month	-0.25	-0.11	-0.14	61st Driest	Driest since: 1919	2013
Oct–Dec 1922 3-Month	-0.25	-0.11	-0.14	70th Wettest	Wettest since: 1921	2016
Sep–Dec 1922 4-Month	-0.09	-0.05	-0.04	68th Driest	Driest since: 1919	1976
Sep–Dec 1922 4-Month	-0.09	-0.05	-0.04	63rd Wettest	Wettest since: 1921	1973
Aug–Dec 1922 5-Month	0.08	-0.07	0.15	82nd Driest	Driest since: 1921	1936
Aug–Dec 1922 5-Month	0.08	-0.07	0.15	49th Wettest	Wettest since: 1920	1968
Jul–Dec 1922 6-Month	-0.28	-0.07	-0.21	57th Driest	Driest since: 1919	2018
Jul–Dec 1922 6-Month	-0.28	-0.07	-0.21	74th Wettest	Wettest since: 1921	1920
Jun–Dec 1922 7-Month	-0.54	-0.06	-0.48	43rd Driest	Driest since: 1919	2018
Jun–Dec 1922 7-Month	-0.54	-0.06	-0.48	88th Wettest	Wettest since: 1921	1920
May–Dec 1922 8-Month	-0.56	-0.05	-0.51	35th Driest	Driest since: 1918	2018
May–Dec 1922 8-Month	-0.56	-0.05	-0.51	96th Wettest	Wettest since: 1921	1968
Apr–Dec 1922 9-Month	-0.47	-0.03	-0.44	36th Driest	Driest since: 1918	1938
Apr–Dec 1922 9-Month	-0.47	-0.03	-0.44	95th Wettest	Wettest since: 1921	1937
Mar–Dec 1922 10-Month	-0.14	-0.05	-0.09	63rd Driest	Driest since: 1918	1992
Mar–Dec 1922 10-Month	-0.14	-0.05	-0.09	68th Wettest	Wettest since: 1921	1920, 1937
Feb–Dec 1922 11-Month	-0.12	-0.04	-0.08	61st Driest	Driest since: 1918	2018
Feb–Dec 1922 11-Month	-0.12	-0.04	-0.08	70th Wettest	Wettest since: 1921	1983
Jan–Dec 1922 12-Month	-0.24	-0.04	-0.20	51st Driest	Driest since: 1918	1992
Jan–Dec 1922 12-Month	-0.24	-0.04	-0.20	80th Wettest	Wettest since: 1921	1983
Jul 1921–Dec 1922 18-Month	-0.19	-0.04	-0.15	59th Driest	Driest since: 1918	1992
	-0.19	-0.04	-0.15	71st Wettest	Wettest since: 1921	1983, 1996
	Ties: 1908
Jan 1921–Dec 1922 24-Month	-0.07	-0.04	-0.03	68th Driest	Driest since: 1919	1930
Jan 1921–Dec 1922 24-Month	-0.07	-0.04	-0.03	62nd Wettest	Wettest since: 1921	1984
Jan 1920–Dec 1922 36-Month	0.15	-0.03	0.18	92nd Driest	Driest since: 1920	1930
Jan 1920–Dec 1922 36-Month	0.15	-0.03	0.18	37th Wettest	Wettest since: 1921	1997
Jan 1919–Dec 1922 48-Month	0.19	-0.04	0.23	98th Driest	Driest since: 1921	1926
Jan 1919–Dec 1922 48-Month	0.19	-0.04	0.23	30th Wettest	Wettest since: 1916	1998
Jan 1918–Dec 1922 60-Month	-0.04	-0.04	0.00	65th Driest	Driest since: 1918	1926, 1932
	-0.04	-0.04	0.00	62nd Wettest	Wettest since: 1921	1999
	Ties: 1909, 1914

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Oregon, Climate Division 1

December 1922 Palmer Z-Index Rankings

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