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 1984

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1984 1-Month	2.95" (74.93mm)	4.53" (115.06mm)	-1.58" (-40.13mm)	24th Driest	Driest since: 1981	1985
January 1984 1-Month	2.95" (74.93mm)	4.53" (115.06mm)	-1.58" (-40.13mm)	105th Wettest	Wettest since: 1983	1953
Dec 1983–Jan 1984 2-Month	8.65" (219.71mm)	9.17" (232.92mm)	-0.52" (-13.21mm)	57th Driest	Driest since: 1981	1977
	8.65" (219.71mm)	9.17" (232.92mm)	-0.52" (-13.21mm)	71st Wettest	Wettest since: 1983	1965
	Ties: 1993
Nov 1983–Jan 1984 3-Month	16.20" (411.48mm)	13.53" (343.66mm)	2.67" (67.82mm)	104th Driest	Driest since: 1983	1977
Nov 1983–Jan 1984 3-Month	16.20" (411.48mm)	13.53" (343.66mm)	2.67" (67.82mm)	24th Wettest	Wettest since: 1982	1974
Oct 1983–Jan 1984 4-Month	17.80" (452.12mm)	16.08" (408.43mm)	1.72" (43.69mm)	86th Driest	Driest since: 1981	1977
	17.80" (452.12mm)	16.08" (408.43mm)	1.72" (43.69mm)	42nd Wettest	Wettest since: 1983	1997
	Ties: 1898
Sep 1983–Jan 1984 5-Month	19.15" (486.41mm)	17.50" (444.50mm)	1.65" (41.91mm)	86th Driest	Driest since: 1981	1977
Sep 1983–Jan 1984 5-Month	19.15" (486.41mm)	17.50" (444.50mm)	1.65" (41.91mm)	42nd Wettest	Wettest since: 1983	1974
Aug 1983–Jan 1984 6-Month	20.88" (530.35mm)	18.31" (465.07mm)	2.57" (65.28mm)	96th Driest	Driest since: 1981	1977
Aug 1983–Jan 1984 6-Month	20.88" (530.35mm)	18.31" (465.07mm)	2.57" (65.28mm)	32nd Wettest	Wettest since: 1983	1974
Jul 1983–Jan 1984 7-Month	23.11" (586.99mm)	19.04" (483.62mm)	4.07" (103.37mm)	113th Driest	Driest since: 1983	1977
Jul 1983–Jan 1984 7-Month	23.11" (586.99mm)	19.04" (483.62mm)	4.07" (103.37mm)	15th Wettest	Wettest since: 1982	1956
Jun 1983–Jan 1984 8-Month	25.19" (639.83mm)	20.76" (527.30mm)	4.43" (112.53mm)	115th Driest	Driest since: 1983	1977
Jun 1983–Jan 1984 8-Month	25.19" (639.83mm)	20.76" (527.30mm)	4.43" (112.53mm)	13th Wettest	Wettest since: 1982	1956
May 1983–Jan 1984 9-Month	27.15" (689.61mm)	22.91" (581.91mm)	4.24" (107.70mm)	111th Driest	Driest since: 1983	1977
May 1983–Jan 1984 9-Month	27.15" (689.61mm)	22.91" (581.91mm)	4.24" (107.70mm)	17th Wettest	Wettest since: 1982	1997
Apr 1983–Jan 1984 10-Month	29.29" (743.97mm)	25.27" (641.86mm)	4.02" (102.11mm)	107th Driest	Driest since: 1983	1977
Apr 1983–Jan 1984 10-Month	29.29" (743.97mm)	25.27" (641.86mm)	4.02" (102.11mm)	21st Wettest	Wettest since: 1982	1997
Mar 1983–Jan 1984 11-Month	35.00" (889.00mm)	28.53" (724.66mm)	6.47" (164.34mm)	121st Driest	Driest since: 1983	1977
Mar 1983–Jan 1984 11-Month	35.00" (889.00mm)	28.53" (724.66mm)	6.47" (164.34mm)	7th Wettest	Wettest since: 1982	1997
Feb 1983–Jan 1984 12-Month	40.26" (1,022.60mm)	32.13" (816.10mm)	8.13" (206.50mm)	124th Driest	Driest since: 1983	1977
Feb 1983–Jan 1984 12-Month	40.26" (1,022.60mm)	32.13" (816.10mm)	8.13" (206.50mm)	4th Wettest	Wettest since: 1956	1997
Aug 1982–Jan 1984 18-Month	61.57" (1,563.88mm)	50.47" (1,281.94mm)	11.10" (281.94mm)	124th Driest	Driest since: 1983	1930
Aug 1982–Jan 1984 18-Month	61.57" (1,563.88mm)	50.47" (1,281.94mm)	11.10" (281.94mm)	3rd Wettest	Wettest to Date	1997
Feb 1982–Jan 1984 24-Month	77.85" (1,977.39mm)	64.28" (1,632.71mm)	13.57" (344.68mm)	124th Driest	Driest since: 1983	1931
Feb 1982–Jan 1984 24-Month	77.85" (1,977.39mm)	64.28" (1,632.71mm)	13.57" (344.68mm)	3rd Wettest	Wettest to Date	1997
Feb 1981–Jan 1984 36-Month	116.87" (2,968.50mm)	96.31" (2,446.27mm)	20.56" (522.23mm)	122nd Driest	Driest since: 1983	1931
Feb 1981–Jan 1984 36-Month	116.87" (2,968.50mm)	96.31" (2,446.27mm)	20.56" (522.23mm)	4th Wettest	Wettest to Date	1998
Feb 1980–Jan 1984 48-Month	148.53" (3,772.66mm)	128.35" (3,260.09mm)	20.18" (512.57mm)	120th Driest	Driest since: 1983	1932
Feb 1980–Jan 1984 48-Month	148.53" (3,772.66mm)	128.35" (3,260.09mm)	20.18" (512.57mm)	5th Wettest	Wettest to Date	1999
Feb 1979–Jan 1984 60-Month	180.67" (4,589.02mm)	160.30" (4,071.62mm)	20.37" (517.40mm)	119th Driest	Driest since: 1983	1933
Feb 1979–Jan 1984 60-Month	180.67" (4,589.02mm)	160.30" (4,071.62mm)	20.37" (517.40mm)	5th Wettest	Wettest to Date	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published December 2022, retrieved on December 9, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings