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 1961

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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 1961 1-Month	3.31" (84.07mm)	4.53" (115.06mm)	-1.22" (-30.99mm)	33rd Driest	Driest since: 1960	1985
January 1961 1-Month	3.31" (84.07mm)	4.53" (115.06mm)	-1.22" (-30.99mm)	96th Wettest	Wettest since: 1959	1953
Dec 1960–Jan 1961 2-Month	5.67" (144.02mm)	9.17" (232.92mm)	-3.50" (-88.90mm)	10th Driest	Driest since: 1945	1977
Dec 1960–Jan 1961 2-Month	5.67" (144.02mm)	9.17" (232.92mm)	-3.50" (-88.90mm)	118th Wettest	Wettest since: 1960	1965
Nov 1960–Jan 1961 3-Month	12.18" (309.37mm)	13.53" (343.66mm)	-1.35" (-34.29mm)	43rd Driest	Driest since: 1960	1977
	12.18" (309.37mm)	13.53" (343.66mm)	-1.35" (-34.29mm)	85th Wettest	Wettest since: 1959	1974
	Ties: 1988
Oct 1960–Jan 1961 4-Month	14.50" (368.30mm)	16.08" (408.43mm)	-1.58" (-40.13mm)	44th Driest	Driest since: 1960	1977
Oct 1960–Jan 1961 4-Month	14.50" (368.30mm)	16.08" (408.43mm)	-1.58" (-40.13mm)	84th Wettest	Wettest since: 1959	1997
Sep 1960–Jan 1961 5-Month	15.27" (387.86mm)	17.50" (444.50mm)	-2.23" (-56.64mm)	34th Driest	Driest since: 1957	1977
Sep 1960–Jan 1961 5-Month	15.27" (387.86mm)	17.50" (444.50mm)	-2.23" (-56.64mm)	94th Wettest	Wettest since: 1960	1974
Aug 1960–Jan 1961 6-Month	16.66" (423.16mm)	18.31" (465.07mm)	-1.65" (-41.91mm)	43rd Driest	Driest since: 1960	1977
Aug 1960–Jan 1961 6-Month	16.66" (423.16mm)	18.31" (465.07mm)	-1.65" (-41.91mm)	85th Wettest	Wettest since: 1959	1974
Jul 1960–Jan 1961 7-Month	16.89" (429.01mm)	19.04" (483.62mm)	-2.15" (-54.61mm)	38th Driest	Driest since: 1960	1977
Jul 1960–Jan 1961 7-Month	16.89" (429.01mm)	19.04" (483.62mm)	-2.15" (-54.61mm)	90th Wettest	Wettest since: 1959	1956
Jun 1960–Jan 1961 8-Month	17.46" (443.48mm)	20.76" (527.30mm)	-3.30" (-83.82mm)	26th Driest	Driest since: 1955	1977
Jun 1960–Jan 1961 8-Month	17.46" (443.48mm)	20.76" (527.30mm)	-3.30" (-83.82mm)	102nd Wettest	Wettest since: 1960	1956
May 1960–Jan 1961 9-Month	20.83" (529.08mm)	22.91" (581.91mm)	-2.08" (-52.83mm)	40th Driest	Driest since: 1960	1977
May 1960–Jan 1961 9-Month	20.83" (529.08mm)	22.91" (581.91mm)	-2.08" (-52.83mm)	88th Wettest	Wettest since: 1959	1997
Apr 1960–Jan 1961 10-Month	23.56" (598.42mm)	25.27" (641.86mm)	-1.71" (-43.44mm)	45th Driest	Driest since: 1960	1977
	23.56" (598.42mm)	25.27" (641.86mm)	-1.71" (-43.44mm)	83rd Wettest	Wettest since: 1959	1997
	Ties: 1973
Mar 1960–Jan 1961 11-Month	28.01" (711.45mm)	28.53" (724.66mm)	-0.52" (-13.21mm)	60th Driest	Driest since: 1960	1977
	28.01" (711.45mm)	28.53" (724.66mm)	-0.52" (-13.21mm)	68th Wettest	Wettest since: 1959	1997
	Ties: 1975, 1989
Feb 1960–Jan 1961 12-Month	32.23" (818.64mm)	32.13" (816.10mm)	0.10" (2.54mm)	68th Driest	Driest since: 1960	1977
Feb 1960–Jan 1961 12-Month	32.23" (818.64mm)	32.13" (816.10mm)	0.10" (2.54mm)	60th Wettest	Wettest since: 1959	1997
Aug 1959–Jan 1961 18-Month	48.27" (1,226.06mm)	50.47" (1,281.94mm)	-2.20" (-55.88mm)	50th Driest	Driest since: 1960	1930
Aug 1959–Jan 1961 18-Month	48.27" (1,226.06mm)	50.47" (1,281.94mm)	-2.20" (-55.88mm)	77th Wettest	Wettest since: 1959	1997
Feb 1959–Jan 1961 24-Month	60.49" (1,536.45mm)	64.28" (1,632.71mm)	-3.79" (-96.26mm)	38th Driest	Driest since: 1945	1931
Feb 1959–Jan 1961 24-Month	60.49" (1,536.45mm)	64.28" (1,632.71mm)	-3.79" (-96.26mm)	89th Wettest	Wettest since: 1960	1997
Feb 1958–Jan 1961 36-Month	96.05" (2,439.67mm)	96.31" (2,446.27mm)	-0.26" (-6.60mm)	64th Driest	Driest since: 1955	1931
Feb 1958–Jan 1961 36-Month	96.05" (2,439.67mm)	96.31" (2,446.27mm)	-0.26" (-6.60mm)	62nd Wettest	Wettest since: 1960	1998
Feb 1957–Jan 1961 48-Month	131.19" (3,332.23mm)	128.35" (3,260.09mm)	2.84" (72.14mm)	83rd Driest	Driest since: 1960	1932
	131.19" (3,332.23mm)	128.35" (3,260.09mm)	2.84" (72.14mm)	42nd Wettest	Wettest since: 1959	1999
	Ties: 1911
Feb 1956–Jan 1961 60-Month	159.63" (4,054.60mm)	160.30" (4,071.62mm)	-0.67" (-17.02mm)	57th Driest	Driest since: 1948	1933
Feb 1956–Jan 1961 60-Month	159.63" (4,054.60mm)	160.30" (4,071.62mm)	-0.67" (-17.02mm)	67th Wettest	Wettest since: 1960	2000

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