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

November 1916 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
November 1916 1-Month	0.59	0.11	0.48	85th Driest	Driest since: 1914	1933
November 1916 1-Month	0.59	0.11	0.48	46th Wettest	Wettest since: 1915	2006
Oct–Nov 1916 2-Month	-0.92	-0.06	-0.86	31st Driest	Driest since: 1911	1936
Oct–Nov 1916 2-Month	-0.92	-0.06	-0.86	100th Wettest	Wettest since: 1915	2016
Sep–Nov 1916 3-Month	-0.79	0.00	-0.79	27th Driest	Driest since: 1908	1936
Sep–Nov 1916 3-Month	-0.79	0.00	-0.79	104th Wettest	Wettest since: 1915	1973
Aug–Nov 1916 4-Month	-0.44	-0.04	-0.40	48th Driest	Driest since: 1908	1936
Aug–Nov 1916 4-Month	-0.44	-0.04	-0.40	83rd Wettest	Wettest since: 1915	1920
Jul–Nov 1916 5-Month	0.58	-0.04	0.62	108th Driest	Driest since: 1915	2018
Jul–Nov 1916 5-Month	0.58	-0.04	0.62	23rd Wettest	Wettest since: 1914	1920
Jun–Nov 1916 6-Month	0.59	-0.04	0.63	109th Driest	Driest since: 1915	2018
	0.59	-0.04	0.63	22nd Wettest	Wettest since: 1914	1920
	Ties: 1897, 1906
May–Nov 1916 7-Month	0.69	-0.03	0.72	108th Driest	Driest since: 1915	2018
May–Nov 1916 7-Month	0.69	-0.03	0.72	23rd Wettest	Wettest since: 1913	1920
Apr–Nov 1916 8-Month	0.63	0.00	0.63	108th Driest	Driest since: 1915	2015
Apr–Nov 1916 8-Month	0.63	0.00	0.63	23rd Wettest	Wettest since: 1913	1937
Mar–Nov 1916 9-Month	1.15	-0.04	1.19	122nd Driest	Driest since: 1915	2015
Mar–Nov 1916 9-Month	1.15	-0.04	1.19	9th Wettest	Wettest since: 1896	1983
Feb–Nov 1916 10-Month	1.26	-0.03	1.29	128th Driest	Driest since: 1915	2015
Feb–Nov 1916 10-Month	1.26	-0.03	1.29	3rd Wettest	Wettest to Date	1983
Jan–Nov 1916 11-Month	1.20	-0.03	1.23	128th Driest	Driest since: 1915	2015
Jan–Nov 1916 11-Month	1.20	-0.03	1.23	3rd Wettest	Wettest to Date	1983
Dec 1915–Nov 1916 12-Month	1.12	-0.04	1.16	124th Driest	Driest since: 1915	1992
Dec 1915–Nov 1916 12-Month	1.12	-0.04	1.16	6th Wettest	Wettest since: 1896	1983
Jun 1915–Nov 1916 18-Month	0.70	-0.03	0.73	122nd Driest	Driest since: 1915	1939
Jun 1915–Nov 1916 18-Month	0.70	-0.03	0.73	8th Wettest	Wettest to Date	1948
Dec 1914–Nov 1916 24-Month	0.34	-0.04	0.38	104th Driest	Driest since: 1915	1929
Dec 1914–Nov 1916 24-Month	0.34	-0.04	0.38	25th Wettest	Wettest since: 1913	1984
Dec 1913–Nov 1916 36-Month	0.29	-0.03	0.32	108th Driest	Driest since: 1915	1930
	0.29	-0.03	0.32	20th Wettest	Wettest since: 1914	1984, 1997
	Ties: 1902
Dec 1912–Nov 1916 48-Month	0.26	-0.03	0.29	106th Driest	Driest since: 1915	2021
Dec 1912–Nov 1916 48-Month	0.26	-0.03	0.29	21st Wettest	Wettest since: 1904	1984
Dec 1911–Nov 1916 60-Month	0.35	-0.04	0.39	116th Driest	Driest since: 1915	1932
Dec 1911–Nov 1916 60-Month	0.35	-0.04	0.39	10th Wettest	Wettest to Date	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 30, 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

November 1916 Palmer Z-Index Rankings

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