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 1985

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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 1985 1-Month	0.62" (15.75mm)	4.53" (115.06mm)	-3.91" (-99.31mm)	1st Driest	Driest since: 1985	1985
January 1985 1-Month	0.62" (15.75mm)	4.53" (115.06mm)	-3.91" (-99.31mm)	128th Wettest	Wettest since: 1984	1953
Dec 1984–Jan 1985 2-Month	4.16" (105.66mm)	9.17" (232.92mm)	-5.01" (-127.26mm)	2nd Driest	Driest since: 1977	1977
Dec 1984–Jan 1985 2-Month	4.16" (105.66mm)	9.17" (232.92mm)	-5.01" (-127.26mm)	126th Wettest	Wettest since: 1984	1965
Nov 1984–Jan 1985 3-Month	11.37" (288.80mm)	13.53" (343.66mm)	-2.16" (-54.86mm)	38th Driest	Driest since: 1979	1977
Nov 1984–Jan 1985 3-Month	11.37" (288.80mm)	13.53" (343.66mm)	-2.16" (-54.86mm)	90th Wettest	Wettest since: 1984	1974
Oct 1984–Jan 1985 4-Month	14.64" (371.86mm)	16.08" (408.43mm)	-1.44" (-36.57mm)	48th Driest	Driest since: 1981	1977
Oct 1984–Jan 1985 4-Month	14.64" (371.86mm)	16.08" (408.43mm)	-1.44" (-36.57mm)	80th Wettest	Wettest since: 1984	1997
Sep 1984–Jan 1985 5-Month	16.03" (407.16mm)	17.50" (444.50mm)	-1.47" (-37.34mm)	46th Driest	Driest since: 1981	1977
	16.03" (407.16mm)	17.50" (444.50mm)	-1.47" (-37.34mm)	82nd Wettest	Wettest since: 1984	1974
	Ties: 1963
Aug 1984–Jan 1985 6-Month	17.08" (433.83mm)	18.31" (465.07mm)	-1.23" (-31.24mm)	50th Driest	Driest since: 1981	1977
Aug 1984–Jan 1985 6-Month	17.08" (433.83mm)	18.31" (465.07mm)	-1.23" (-31.24mm)	78th Wettest	Wettest since: 1984	1974
Jul 1984–Jan 1985 7-Month	17.77" (451.36mm)	19.04" (483.62mm)	-1.27" (-32.26mm)	50th Driest	Driest since: 1981	1977
	17.77" (451.36mm)	19.04" (483.62mm)	-1.27" (-32.26mm)	78th Wettest	Wettest since: 1984	1956
	Ties: 1986
Jun 1984–Jan 1985 8-Month	20.70" (525.78mm)	20.76" (527.30mm)	-0.06" (-1.52mm)	69th Driest	Driest since: 1981	1977
Jun 1984–Jan 1985 8-Month	20.70" (525.78mm)	20.76" (527.30mm)	-0.06" (-1.52mm)	59th Wettest	Wettest since: 1984	1956
May 1984–Jan 1985 9-Month	23.83" (605.28mm)	22.91" (581.91mm)	0.92" (23.37mm)	78th Driest	Driest since: 1981	1977
	23.83" (605.28mm)	22.91" (581.91mm)	0.92" (23.37mm)	50th Wettest	Wettest since: 1984	1997
	Ties: 2013
Apr 1984–Jan 1985 10-Month	26.90" (683.26mm)	25.27" (641.86mm)	1.63" (41.40mm)	88th Driest	Driest since: 1981	1977
Apr 1984–Jan 1985 10-Month	26.90" (683.26mm)	25.27" (641.86mm)	1.63" (41.40mm)	40th Wettest	Wettest since: 1984	1997
Mar 1984–Jan 1985 11-Month	30.89" (784.61mm)	28.53" (724.66mm)	2.36" (59.95mm)	92nd Driest	Driest since: 1981	1977
Mar 1984–Jan 1985 11-Month	30.89" (784.61mm)	28.53" (724.66mm)	2.36" (59.95mm)	36th Wettest	Wettest since: 1984	1997
Feb 1984–Jan 1985 12-Month	34.55" (877.57mm)	32.13" (816.10mm)	2.42" (61.47mm)	88th Driest	Driest since: 1981	1977
Feb 1984–Jan 1985 12-Month	34.55" (877.57mm)	32.13" (816.10mm)	2.42" (61.47mm)	40th Wettest	Wettest since: 1984	1997
Aug 1983–Jan 1985 18-Month	55.43" (1,407.92mm)	50.47" (1,281.94mm)	4.96" (125.98mm)	107th Driest	Driest since: 1981	1930
Aug 1983–Jan 1985 18-Month	55.43" (1,407.92mm)	50.47" (1,281.94mm)	4.96" (125.98mm)	20th Wettest	Wettest since: 1984	1997
Feb 1983–Jan 1985 24-Month	74.81" (1,900.17mm)	64.28" (1,632.71mm)	10.53" (267.46mm)	122nd Driest	Driest since: 1982	1931
Feb 1983–Jan 1985 24-Month	74.81" (1,900.17mm)	64.28" (1,632.71mm)	10.53" (267.46mm)	5th Wettest	Wettest since: 1984	1997
Feb 1982–Jan 1985 36-Month	112.40" (2,854.96mm)	96.31" (2,446.27mm)	16.09" (408.69mm)	121st Driest	Driest since: 1983	1931
Feb 1982–Jan 1985 36-Month	112.40" (2,854.96mm)	96.31" (2,446.27mm)	16.09" (408.69mm)	5th Wettest	Wettest since: 1984	1998
Feb 1981–Jan 1985 48-Month	151.42" (3,846.07mm)	128.35" (3,260.09mm)	23.07" (585.98mm)	121st Driest	Driest since: 1984	1932
Feb 1981–Jan 1985 48-Month	151.42" (3,846.07mm)	128.35" (3,260.09mm)	23.07" (585.98mm)	4th Wettest	Wettest to Date	1999
Feb 1980–Jan 1985 60-Month	183.08" (4,650.23mm)	160.30" (4,071.62mm)	22.78" (578.61mm)	121st Driest	Driest since: 1984	1933
Feb 1980–Jan 1985 60-Month	183.08" (4,650.23mm)	160.30" (4,071.62mm)	22.78" (578.61mm)	3rd Wettest	Wettest to Date	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings