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, January 1997

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1997 1-Month	5.89" (149.61mm)	4.53" (115.06mm)	1.36" (34.55mm)	103rd Driest	Driest since: 1995	1985
	5.89" (149.61mm)	4.53" (115.06mm)	1.36" (34.55mm)	26th Wettest	Wettest since: 1996	1953
	Ties: 1912
Dec 1996–Jan 1997 2-Month	16.16" (410.46mm)	9.17" (232.92mm)	6.99" (177.54mm)	126th Driest	Driest since: 1996	1977
Dec 1996–Jan 1997 2-Month	16.16" (410.46mm)	9.17" (232.92mm)	6.99" (177.54mm)	2nd Wettest	Wettest since: 1965	1965
Nov 1996–Jan 1997 3-Month	21.95" (557.53mm)	13.53" (343.66mm)	8.42" (213.87mm)	126th Driest	Driest since: 1996	1977
Nov 1996–Jan 1997 3-Month	21.95" (557.53mm)	13.53" (343.66mm)	8.42" (213.87mm)	2nd Wettest	Wettest since: 1974	1974
Oct 1996–Jan 1997 4-Month	25.61" (650.49mm)	16.08" (408.43mm)	9.53" (242.06mm)	127th Driest	Driest since: 1996	1977
Oct 1996–Jan 1997 4-Month	25.61" (650.49mm)	16.08" (408.43mm)	9.53" (242.06mm)	1st Wettest	Wettest to Date	1997
Sep 1996–Jan 1997 5-Month	27.03" (686.56mm)	17.50" (444.50mm)	9.53" (242.06mm)	126th Driest	Driest since: 1996	1977
Sep 1996–Jan 1997 5-Month	27.03" (686.56mm)	17.50" (444.50mm)	9.53" (242.06mm)	2nd Wettest	Wettest since: 1974	1974
Aug 1996–Jan 1997 6-Month	27.43" (696.72mm)	18.31" (465.07mm)	9.12" (231.65mm)	126th Driest	Driest since: 1996	1977
Aug 1996–Jan 1997 6-Month	27.43" (696.72mm)	18.31" (465.07mm)	9.12" (231.65mm)	2nd Wettest	Wettest since: 1974	1974
Jul 1996–Jan 1997 7-Month	27.94" (709.68mm)	19.04" (483.62mm)	8.90" (226.06mm)	125th Driest	Driest since: 1996	1977
Jul 1996–Jan 1997 7-Month	27.94" (709.68mm)	19.04" (483.62mm)	8.90" (226.06mm)	3rd Wettest	Wettest since: 1974	1956
Jun 1996–Jan 1997 8-Month	28.92" (734.57mm)	20.76" (527.30mm)	8.16" (207.27mm)	124th Driest	Driest since: 1996	1977
Jun 1996–Jan 1997 8-Month	28.92" (734.57mm)	20.76" (527.30mm)	8.16" (207.27mm)	4th Wettest	Wettest since: 1974	1956
May 1996–Jan 1997 9-Month	32.58" (827.53mm)	22.91" (581.91mm)	9.67" (245.62mm)	127th Driest	Driest since: 1996	1977
May 1996–Jan 1997 9-Month	32.58" (827.53mm)	22.91" (581.91mm)	9.67" (245.62mm)	1st Wettest	Wettest to Date	1997
Apr 1996–Jan 1997 10-Month	36.78" (934.21mm)	25.27" (641.86mm)	11.51" (292.35mm)	127th Driest	Driest since: 1996	1977
Apr 1996–Jan 1997 10-Month	36.78" (934.21mm)	25.27" (641.86mm)	11.51" (292.35mm)	1st Wettest	Wettest to Date	1997
Mar 1996–Jan 1997 11-Month	39.06" (992.12mm)	28.53" (724.66mm)	10.53" (267.46mm)	127th Driest	Driest since: 1996	1977
Mar 1996–Jan 1997 11-Month	39.06" (992.12mm)	28.53" (724.66mm)	10.53" (267.46mm)	1st Wettest	Wettest to Date	1997
Feb 1996–Jan 1997 12-Month	44.68" (1,134.87mm)	32.13" (816.10mm)	12.55" (318.77mm)	127th Driest	Driest since: 1996	1977
Feb 1996–Jan 1997 12-Month	44.68" (1,134.87mm)	32.13" (816.10mm)	12.55" (318.77mm)	1st Wettest	Wettest to Date	1997
Aug 1995–Jan 1997 18-Month	68.75" (1,746.25mm)	50.47" (1,281.94mm)	18.28" (464.31mm)	126th Driest	Driest since: 1996	1930
Aug 1995–Jan 1997 18-Month	68.75" (1,746.25mm)	50.47" (1,281.94mm)	18.28" (464.31mm)	1st Wettest	Wettest to Date	1997
Feb 1995–Jan 1997 24-Month	85.66" (2,175.76mm)	64.28" (1,632.71mm)	21.38" (543.05mm)	126th Driest	Driest since: 1996	1931
Feb 1995–Jan 1997 24-Month	85.66" (2,175.76mm)	64.28" (1,632.71mm)	21.38" (543.05mm)	1st Wettest	Wettest to Date	1997
Feb 1994–Jan 1997 36-Month	117.96" (2,996.18mm)	96.31" (2,446.27mm)	21.65" (549.91mm)	123rd Driest	Driest since: 1996	1931
Feb 1994–Jan 1997 36-Month	117.96" (2,996.18mm)	96.31" (2,446.27mm)	21.65" (549.91mm)	3rd Wettest	Wettest to Date	1998
Feb 1993–Jan 1997 48-Month	146.58" (3,723.13mm)	128.35" (3,260.09mm)	18.23" (463.04mm)	119th Driest	Driest since: 1996	1932
Feb 1993–Jan 1997 48-Month	146.58" (3,723.13mm)	128.35" (3,260.09mm)	18.23" (463.04mm)	6th Wettest	Wettest since: 1985	1999
Feb 1992–Jan 1997 60-Month	174.27" (4,426.46mm)	160.30" (4,071.62mm)	13.97" (354.84mm)	114th Driest	Driest since: 1996	1933
Feb 1992–Jan 1997 60-Month	174.27" (4,426.46mm)	160.30" (4,071.62mm)	13.97" (354.84mm)	10th Wettest	Wettest since: 1986	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings