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 1988

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1988 1-Month	3.96" (100.58mm)	4.53" (115.06mm)	-0.57" (-14.48mm)	54th Driest	Driest since: 1985	1985
January 1988 1-Month	3.96" (100.58mm)	4.53" (115.06mm)	-0.57" (-14.48mm)	76th Wettest	Wettest since: 1987	1953
Dec 1987–Jan 1988 2-Month	9.67" (245.62mm)	9.17" (232.92mm)	0.50" (12.70mm)	79th Driest	Driest since: 1987	1977
Dec 1987–Jan 1988 2-Month	9.67" (245.62mm)	9.17" (232.92mm)	0.50" (12.70mm)	50th Wettest	Wettest since: 1983	1965
Nov 1987–Jan 1988 3-Month	12.18" (309.37mm)	13.53" (343.66mm)	-1.35" (-34.29mm)	43rd Driest	Driest since: 1987	1977
	12.18" (309.37mm)	13.53" (343.66mm)	-1.35" (-34.29mm)	86th Wettest	Wettest since: 1984	1974
	Ties: 1961
Oct 1987–Jan 1988 4-Month	12.35" (313.69mm)	16.08" (408.43mm)	-3.73" (-94.74mm)	19th Driest	Driest since: 1979	1977
Oct 1987–Jan 1988 4-Month	12.35" (313.69mm)	16.08" (408.43mm)	-3.73" (-94.74mm)	110th Wettest	Wettest since: 1987	1997
Sep 1987–Jan 1988 5-Month	12.59" (319.79mm)	17.50" (444.50mm)	-4.91" (-124.71mm)	10th Driest	Driest since: 1979	1977
Sep 1987–Jan 1988 5-Month	12.59" (319.79mm)	17.50" (444.50mm)	-4.91" (-124.71mm)	119th Wettest	Wettest since: 1987	1974
Aug 1987–Jan 1988 6-Month	13.03" (330.96mm)	18.31" (465.07mm)	-5.28" (-134.11mm)	9th Driest	Driest since: 1977	1977
Aug 1987–Jan 1988 6-Month	13.03" (330.96mm)	18.31" (465.07mm)	-5.28" (-134.11mm)	120th Wettest	Wettest since: 1987	1974
Jul 1987–Jan 1988 7-Month	14.81" (376.17mm)	19.04" (483.62mm)	-4.23" (-107.45mm)	16th Driest	Driest since: 1979	1977
Jul 1987–Jan 1988 7-Month	14.81" (376.17mm)	19.04" (483.62mm)	-4.23" (-107.45mm)	113th Wettest	Wettest since: 1987	1956
Jun 1987–Jan 1988 8-Month	15.91" (404.11mm)	20.76" (527.30mm)	-4.85" (-123.19mm)	11th Driest	Driest since: 1979	1977
Jun 1987–Jan 1988 8-Month	15.91" (404.11mm)	20.76" (527.30mm)	-4.85" (-123.19mm)	118th Wettest	Wettest since: 1987	1956
May 1987–Jan 1988 9-Month	18.33" (465.58mm)	22.91" (581.91mm)	-4.58" (-116.33mm)	18th Driest	Driest since: 1979	1977
May 1987–Jan 1988 9-Month	18.33" (465.58mm)	22.91" (581.91mm)	-4.58" (-116.33mm)	111th Wettest	Wettest since: 1987	1997
Apr 1987–Jan 1988 10-Month	19.86" (504.44mm)	25.27" (641.86mm)	-5.41" (-137.42mm)	9th Driest	Driest since: 1977	1977
Apr 1987–Jan 1988 10-Month	19.86" (504.44mm)	25.27" (641.86mm)	-5.41" (-137.42mm)	120th Wettest	Wettest since: 1987	1997
Mar 1987–Jan 1988 11-Month	23.56" (598.42mm)	28.53" (724.66mm)	-4.97" (-126.24mm)	14th Driest	Driest since: 1977	1977
Mar 1987–Jan 1988 11-Month	23.56" (598.42mm)	28.53" (724.66mm)	-4.97" (-126.24mm)	115th Wettest	Wettest since: 1987	1997
Feb 1987–Jan 1988 12-Month	26.24" (666.50mm)	32.13" (816.10mm)	-5.89" (-149.60mm)	13th Driest	Driest since: 1977	1977
Feb 1987–Jan 1988 12-Month	26.24" (666.50mm)	32.13" (816.10mm)	-5.89" (-149.60mm)	116th Wettest	Wettest since: 1987	1997
Aug 1986–Jan 1988 18-Month	42.19" (1,071.63mm)	50.47" (1,281.94mm)	-8.28" (-210.31mm)	8th Driest	Driest since: 1945	1930
Aug 1986–Jan 1988 18-Month	42.19" (1,071.63mm)	50.47" (1,281.94mm)	-8.28" (-210.31mm)	120th Wettest	Wettest since: 1987	1997
Feb 1986–Jan 1988 24-Month	58.14" (1,476.76mm)	64.28" (1,632.71mm)	-6.14" (-155.95mm)	18th Driest	Driest since: 1978	1931
Feb 1986–Jan 1988 24-Month	58.14" (1,476.76mm)	64.28" (1,632.71mm)	-6.14" (-155.95mm)	110th Wettest	Wettest since: 1987	1997
Feb 1985–Jan 1988 36-Month	86.23" (2,190.24mm)	96.31" (2,446.27mm)	-10.08" (-256.03mm)	10th Driest	Driest since: 1979	1931
Feb 1985–Jan 1988 36-Month	86.23" (2,190.24mm)	96.31" (2,446.27mm)	-10.08" (-256.03mm)	117th Wettest	Wettest since: 1987	1998
Feb 1984–Jan 1988 48-Month	120.78" (3,067.81mm)	128.35" (3,260.09mm)	-7.57" (-192.28mm)	30th Driest	Driest since: 1980	1932
Feb 1984–Jan 1988 48-Month	120.78" (3,067.81mm)	128.35" (3,260.09mm)	-7.57" (-192.28mm)	96th Wettest	Wettest since: 1987	1999
Feb 1983–Jan 1988 60-Month	161.04" (4,090.42mm)	160.30" (4,071.62mm)	0.74" (18.80mm)	67th Driest	Driest since: 1981	1933
Feb 1983–Jan 1988 60-Month	161.04" (4,090.42mm)	160.30" (4,071.62mm)	0.74" (18.80mm)	58th Wettest	Wettest since: 1987	2000

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published February 2023, retrieved on February 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings