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, November 1997

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
November 1997 1-Month	2.97" (75.44mm)	4.34" (110.24mm)	-1.37" (-34.80mm)	31st Driest	Driest since: 1993	1936
	2.97" (75.44mm)	4.34" (110.24mm)	-1.37" (-34.80mm)	98th Wettest	Wettest since: 1996	1909
	Ties: 1925
Oct–Nov 1997 2-Month	7.05" (179.07mm)	6.88" (174.75mm)	0.17" (4.32mm)	67th Driest	Driest since: 1993	1936
Oct–Nov 1997 2-Month	7.05" (179.07mm)	6.88" (174.75mm)	0.17" (4.32mm)	62nd Wettest	Wettest since: 1996	1909
Sep–Nov 1997 3-Month	9.49" (241.05mm)	8.30" (210.82mm)	1.19" (30.23mm)	82nd Driest	Driest since: 1993	1936
Sep–Nov 1997 3-Month	9.49" (241.05mm)	8.30" (210.82mm)	1.19" (30.23mm)	47th Wettest	Wettest since: 1996	1973
Aug–Nov 1997 4-Month	10.46" (265.68mm)	9.10" (231.14mm)	1.36" (34.54mm)	87th Driest	Driest since: 1994	1936
Aug–Nov 1997 4-Month	10.46" (265.68mm)	9.10" (231.14mm)	1.36" (34.54mm)	42nd Wettest	Wettest since: 1996	1927
Jul–Nov 1997 5-Month	11.93" (303.02mm)	9.83" (249.68mm)	2.10" (53.34mm)	106th Driest	Driest since: 1996	1929
Jul–Nov 1997 5-Month	11.93" (303.02mm)	9.83" (249.68mm)	2.10" (53.34mm)	23rd Wettest	Wettest since: 1995	1909
Jun–Nov 1997 6-Month	14.17" (359.92mm)	11.55" (293.37mm)	2.62" (66.55mm)	111th Driest	Driest since: 1996	1929
Jun–Nov 1997 6-Month	14.17" (359.92mm)	11.55" (293.37mm)	2.62" (66.55mm)	18th Wettest	Wettest since: 1995	1983, 1984
May–Nov 1997 7-Month	16.13" (409.70mm)	13.69" (347.73mm)	2.44" (61.97mm)	102nd Driest	Driest since: 1994	1929
May–Nov 1997 7-Month	16.13" (409.70mm)	13.69" (347.73mm)	2.44" (61.97mm)	27th Wettest	Wettest since: 1996	1984
Apr–Nov 1997 8-Month	19.42" (493.27mm)	16.05" (407.67mm)	3.37" (85.60mm)	112th Driest	Driest since: 1994	1929
Apr–Nov 1997 8-Month	19.42" (493.27mm)	16.05" (407.67mm)	3.37" (85.60mm)	17th Wettest	Wettest since: 1996	1984
Mar–Nov 1997 9-Month	24.14" (613.16mm)	19.31" (490.47mm)	4.83" (122.69mm)	122nd Driest	Driest since: 1996	1929
Mar–Nov 1997 9-Month	24.14" (613.16mm)	19.31" (490.47mm)	4.83" (122.69mm)	7th Wettest	Wettest since: 1995	1984
Feb–Nov 1997 10-Month	26.57" (674.88mm)	22.92" (582.17mm)	3.65" (92.71mm)	105th Driest	Driest since: 1994	1929
Feb–Nov 1997 10-Month	26.57" (674.88mm)	22.92" (582.17mm)	3.65" (92.71mm)	24th Wettest	Wettest since: 1996	1983
Jan–Nov 1997 11-Month	32.46" (824.48mm)	27.45" (697.23mm)	5.01" (127.25mm)	116th Driest	Driest since: 1994	1929
Jan–Nov 1997 11-Month	32.46" (824.48mm)	27.45" (697.23mm)	5.01" (127.25mm)	13th Wettest	Wettest since: 1996	1983
Dec 1996–Nov 1997 12-Month	42.73" (1,085.34mm)	32.09" (815.09mm)	10.64" (270.25mm)	127th Driest	Driest since: 1996	1929
Dec 1996–Nov 1997 12-Month	42.73" (1,085.34mm)	32.09" (815.09mm)	10.64" (270.25mm)	1st Wettest	Wettest to Date	1997
Jun 1996–Nov 1997 18-Month	55.49" (1,409.45mm)	43.68" (1,109.47mm)	11.81" (299.98mm)	124th Driest	Driest since: 1995	1929
Jun 1996–Nov 1997 18-Month	55.49" (1,409.45mm)	43.68" (1,109.47mm)	11.81" (299.98mm)	4th Wettest	Wettest since: 1996	1996
Dec 1995–Nov 1997 24-Month	83.50" (2,120.90mm)	64.20" (1,630.68mm)	19.30" (490.22mm)	126th Driest	Driest since: 1996	1929
Dec 1995–Nov 1997 24-Month	83.50" (2,120.90mm)	64.20" (1,630.68mm)	19.30" (490.22mm)	1st Wettest	Wettest to Date	1997
Dec 1994–Nov 1997 36-Month	122.52" (3,112.01mm)	96.31" (2,446.27mm)	26.21" (665.74mm)	125th Driest	Driest since: 1996	1930
Dec 1994–Nov 1997 36-Month	122.52" (3,112.01mm)	96.31" (2,446.27mm)	26.21" (665.74mm)	1st Wettest	Wettest to Date	1997
Dec 1993–Nov 1997 48-Month	151.31" (3,843.27mm)	128.35" (3,260.09mm)	22.96" (583.18mm)	121st Driest	Driest since: 1996	1931
Dec 1993–Nov 1997 48-Month	151.31" (3,843.27mm)	128.35" (3,260.09mm)	22.96" (583.18mm)	4th Wettest	Wettest since: 1984	1998
Dec 1992–Nov 1997 60-Month	181.80" (4,617.72mm)	160.31" (4,071.87mm)	21.49" (545.85mm)	119th Driest	Driest since: 1996	1932
Dec 1992–Nov 1997 60-Month	181.80" (4,617.72mm)	160.31" (4,071.87mm)	21.49" (545.85mm)	5th Wettest	Wettest since: 1984	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings