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 1935 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1935 1-Month	-1.27	-0.20	-1.07	40th Driest	Driest since: 1930	2013
December 1935 1-Month	-1.27	-0.20	-1.07	91st Wettest	Wettest since: 1934	2015
Nov–Dec 1935 2-Month	-1.66	-0.04	-1.62	15th Driest	Driest since: 1930	2013
Nov–Dec 1935 2-Month	-1.66	-0.04	-1.62	116th Wettest	Wettest since: 1934	1973
Oct–Dec 1935 3-Month	-1.21	-0.11	-1.10	17th Driest	Driest since: 1930	2013
Oct–Dec 1935 3-Month	-1.21	-0.11	-1.10	114th Wettest	Wettest since: 1934	2016
Sep–Dec 1935 4-Month	-1.06	-0.05	-1.01	19th Driest	Driest since: 1930	1976
Sep–Dec 1935 4-Month	-1.06	-0.05	-1.01	112th Wettest	Wettest since: 1934	1973
Aug–Dec 1935 5-Month	-1.14	-0.07	-1.07	9th Driest	Driest since: 1930	1936
Aug–Dec 1935 5-Month	-1.14	-0.07	-1.07	122nd Wettest	Wettest since: 1934	1968
Jul–Dec 1935 6-Month	-1.20	-0.07	-1.13	4th Driest	Driest since: 1930	2018
Jul–Dec 1935 6-Month	-1.20	-0.07	-1.13	127th Wettest	Wettest since: 1934	1920
Jun–Dec 1935 7-Month	-1.30	-0.06	-1.24	3rd Driest	Driest to Date	2018
Jun–Dec 1935 7-Month	-1.30	-0.06	-1.24	128th Wettest	Wettest since: 1934	1920
May–Dec 1935 8-Month	-1.47	-0.05	-1.42	3rd Driest	Driest to Date	2018
May–Dec 1935 8-Month	-1.47	-0.05	-1.42	128th Wettest	Wettest since: 1934	1968
Apr–Dec 1935 9-Month	-1.35	-0.03	-1.32	3rd Driest	Driest to Date	1938
Apr–Dec 1935 9-Month	-1.35	-0.03	-1.32	128th Wettest	Wettest since: 1934	1937
Mar–Dec 1935 10-Month	-1.10	-0.05	-1.05	6th Driest	Driest since: 1930	1992
Mar–Dec 1935 10-Month	-1.10	-0.05	-1.05	125th Wettest	Wettest since: 1934	1920, 1937
Feb–Dec 1935 11-Month	-1.18	-0.04	-1.14	3rd Driest	Driest to Date	2018
Feb–Dec 1935 11-Month	-1.18	-0.04	-1.14	128th Wettest	Wettest since: 1934	1983
Jan–Dec 1935 12-Month	-1.14	-0.04	-1.10	4th Driest	Driest since: 1924	1992
Jan–Dec 1935 12-Month	-1.14	-0.04	-1.10	127th Wettest	Wettest since: 1934	1983
Jul 1934–Dec 1935 18-Month	-0.72	-0.04	-0.68	13th Driest	Driest since: 1930	1992
Jul 1934–Dec 1935 18-Month	-0.72	-0.04	-0.68	117th Wettest	Wettest since: 1934	1983, 1996
Jan 1934–Dec 1935 24-Month	-1.00	-0.04	-0.96	2nd Driest	Driest since: 1930	1930
Jan 1934–Dec 1935 24-Month	-1.00	-0.04	-0.96	128th Wettest	Wettest since: 1934	1984
Jan 1933–Dec 1935 36-Month	-0.48	-0.03	-0.45	24th Driest	Driest since: 1932	1930
Jan 1933–Dec 1935 36-Month	-0.48	-0.03	-0.45	105th Wettest	Wettest since: 1934	1997
Jan 1932–Dec 1935 48-Month	-0.45	-0.04	-0.41	19th Driest	Driest since: 1932	1926
Jan 1932–Dec 1935 48-Month	-0.45	-0.04	-0.41	109th Wettest	Wettest since: 1934	1998
Jan 1931–Dec 1935 60-Month	-0.40	-0.04	-0.36	25th Driest	Driest since: 1933	1926, 1932
Jan 1931–Dec 1935 60-Month	-0.40	-0.04	-0.36	102nd Wettest	Wettest since: 1934	1999

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 1935 Palmer Z-Index Rankings

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