Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Northwest Climate Region

Precipitation Rankings, October 1908

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1908 1-Month	3.63" (92.20mm)	2.54" (64.52mm)	1.09" (27.68mm)	107th Driest	Driest since: 1907	1895
	3.63" (92.20mm)	2.54" (64.52mm)	1.09" (27.68mm)	22nd Wettest	Wettest since: 1900	2016
	Ties: 2021
Sep–Oct 1908 2-Month	4.48" (113.79mm)	3.96" (100.58mm)	0.52" (13.21mm)	84th Driest	Driest since: 1907	1987
Sep–Oct 1908 2-Month	4.48" (113.79mm)	3.96" (100.58mm)	0.52" (13.21mm)	45th Wettest	Wettest since: 1905	2016
Aug–Oct 1908 3-Month	5.35" (135.89mm)	4.76" (120.90mm)	0.59" (14.99mm)	88th Driest	Driest since: 1907	1987
Aug–Oct 1908 3-Month	5.35" (135.89mm)	4.76" (120.90mm)	0.59" (14.99mm)	41st Wettest	Wettest since: 1900	2016
Jul–Oct 1908 4-Month	6.17" (156.72mm)	5.49" (139.45mm)	0.68" (17.27mm)	91st Driest	Driest since: 1907	1952
	6.17" (156.72mm)	5.49" (139.45mm)	0.68" (17.27mm)	38th Wettest	Wettest since: 1900	2016
	Ties: 2019
Jun–Oct 1908 5-Month	8.15" (207.01mm)	7.21" (183.13mm)	0.94" (23.88mm)	96th Driest	Driest since: 1907	1917, 2002
Jun–Oct 1908 5-Month	8.15" (207.01mm)	7.21" (183.13mm)	0.94" (23.88mm)	33rd Wettest	Wettest since: 1900	1947
May–Oct 1908 6-Month	10.97" (278.64mm)	9.35" (237.49mm)	1.62" (41.15mm)	103rd Driest	Driest since: 1907	2002
May–Oct 1908 6-Month	10.97" (278.64mm)	9.35" (237.49mm)	1.62" (41.15mm)	26th Wettest	Wettest since: 1906	1941
Apr–Oct 1908 7-Month	12.76" (324.10mm)	11.71" (297.43mm)	1.05" (26.67mm)	87th Driest	Driest since: 1907	2002
Apr–Oct 1908 7-Month	12.76" (324.10mm)	11.71" (297.43mm)	1.05" (26.67mm)	42nd Wettest	Wettest since: 1900	1997
Mar–Oct 1908 8-Month	16.09" (408.69mm)	14.97" (380.24mm)	1.12" (28.45mm)	85th Driest	Driest since: 1907	1939
	16.09" (408.69mm)	14.97" (380.24mm)	1.12" (28.45mm)	44th Wettest	Wettest since: 1904	1997
	Ties: 1998
Feb–Oct 1908 9-Month	18.84" (478.54mm)	18.58" (471.93mm)	0.26" (6.61mm)	70th Driest	Driest since: 1905	1929
Feb–Oct 1908 9-Month	18.84" (478.54mm)	18.58" (471.93mm)	0.26" (6.61mm)	59th Wettest	Wettest since: 1907	2017
Jan–Oct 1908 10-Month	21.68" (550.67mm)	23.10" (586.74mm)	-1.42" (-36.07mm)	42nd Driest	Driest since: 1905	1929
Jan–Oct 1908 10-Month	21.68" (550.67mm)	23.10" (586.74mm)	-1.42" (-36.07mm)	87th Wettest	Wettest since: 1907	1950
Dec 1907–Oct 1908 11-Month	28.05" (712.47mm)	27.75" (704.85mm)	0.30" (7.62mm)	66th Driest	Driest since: 1906	1929
Dec 1907–Oct 1908 11-Month	28.05" (712.47mm)	27.75" (704.85mm)	0.30" (7.62mm)	62nd Wettest	Wettest since: 1907	1997
Nov 1907–Oct 1908 12-Month	31.65" (803.91mm)	32.10" (815.34mm)	-0.45" (-11.43mm)	62nd Driest	Driest since: 1906	1977
Nov 1907–Oct 1908 12-Month	31.65" (803.91mm)	32.10" (815.34mm)	-0.45" (-11.43mm)	66th Wettest	Wettest since: 1907	1997
May 1907–Oct 1908 18-Month	40.61" (1,031.49mm)	41.48" (1,053.59mm)	-0.87" (-22.10mm)	56th Driest	Driest since: 1905	1929
May 1907–Oct 1908 18-Month	40.61" (1,031.49mm)	41.48" (1,053.59mm)	-0.87" (-22.10mm)	72nd Wettest	Wettest since: 1907	1997
Nov 1906–Oct 1908 24-Month	68.68" (1,744.47mm)	64.23" (1,631.44mm)	4.45" (113.03mm)	105th Driest	Driest since: 1907	1930
Nov 1906–Oct 1908 24-Month	68.68" (1,744.47mm)	64.23" (1,631.44mm)	4.45" (113.03mm)	22nd Wettest	Wettest since: 1904	1997
Nov 1905–Oct 1908 36-Month	98.88" (2,511.55mm)	96.31" (2,446.27mm)	2.57" (65.28mm)	87th Driest	Driest since: 1907	1931
Nov 1905–Oct 1908 36-Month	98.88" (2,511.55mm)	96.31" (2,446.27mm)	2.57" (65.28mm)	39th Wettest	Wettest since: 1905	1997
Nov 1904–Oct 1908 48-Month	128.36" (3,260.34mm)	128.38" (3,260.85mm)	-0.02" (-0.51mm)	66th Driest	Driest since: 1908	1931
Nov 1904–Oct 1908 48-Month	128.36" (3,260.34mm)	128.38" (3,260.85mm)	-0.02" (-0.51mm)	59th Wettest	Wettest since: 1907	1999
Nov 1903–Oct 1908 60-Month	166.47" (4,228.34mm)	160.37" (4,073.40mm)	6.10" (154.94mm)	95th Driest	Driest since: 1906	1932
Nov 1903–Oct 1908 60-Month	166.47" (4,228.34mm)	160.37" (4,073.40mm)	6.10" (154.94mm)	29th Wettest	Wettest since: 1907	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published November 2022, retrieved on December 2, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings