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, November 1947

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
November 1947 1-Month	3.55" (90.17mm)	4.34" (110.24mm)	-0.79" (-20.07mm)	43rd Driest	Driest since: 1943	1936
November 1947 1-Month	3.55" (90.17mm)	4.34" (110.24mm)	-0.79" (-20.07mm)	86th Wettest	Wettest since: 1946	1909
Oct–Nov 1947 2-Month	9.34" (237.24mm)	6.88" (174.75mm)	2.46" (62.49mm)	109th Driest	Driest since: 1946	1936
Oct–Nov 1947 2-Month	9.34" (237.24mm)	6.88" (174.75mm)	2.46" (62.49mm)	20th Wettest	Wettest since: 1942	1909
Sep–Nov 1947 3-Month	10.84" (275.34mm)	8.30" (210.82mm)	2.54" (64.52mm)	113th Driest	Driest since: 1946	1936
Sep–Nov 1947 3-Month	10.84" (275.34mm)	8.30" (210.82mm)	2.54" (64.52mm)	16th Wettest	Wettest since: 1927	1973
Aug–Nov 1947 4-Month	11.41" (289.81mm)	9.10" (231.14mm)	2.31" (58.67mm)	109th Driest	Driest since: 1946	1936
Aug–Nov 1947 4-Month	11.41" (289.81mm)	9.10" (231.14mm)	2.31" (58.67mm)	20th Wettest	Wettest since: 1927	1927
Jul–Nov 1947 5-Month	12.24" (310.90mm)	9.83" (249.68mm)	2.41" (61.22mm)	110th Driest	Driest since: 1946	1929
	12.24" (310.90mm)	9.83" (249.68mm)	2.41" (61.22mm)	19th Wettest	Wettest since: 1927	1909
	Ties: 1910
Jun–Nov 1947 6-Month	15.56" (395.22mm)	11.55" (293.37mm)	4.01" (101.85mm)	121st Driest	Driest since: 1946	1929
Jun–Nov 1947 6-Month	15.56" (395.22mm)	11.55" (293.37mm)	4.01" (101.85mm)	8th Wettest	Wettest since: 1927	1983, 1984
May–Nov 1947 7-Month	16.75" (425.45mm)	13.69" (347.73mm)	3.06" (77.72mm)	111th Driest	Driest since: 1946	1929
May–Nov 1947 7-Month	16.75" (425.45mm)	13.69" (347.73mm)	3.06" (77.72mm)	18th Wettest	Wettest since: 1942	1984
Apr–Nov 1947 8-Month	18.81" (477.77mm)	16.05" (407.67mm)	2.76" (70.10mm)	106th Driest	Driest since: 1946	1929
Apr–Nov 1947 8-Month	18.81" (477.77mm)	16.05" (407.67mm)	2.76" (70.10mm)	23rd Wettest	Wettest since: 1942	1984
Mar–Nov 1947 9-Month	21.77" (552.96mm)	19.31" (490.47mm)	2.46" (62.49mm)	99th Driest	Driest since: 1946	1929
Mar–Nov 1947 9-Month	21.77" (552.96mm)	19.31" (490.47mm)	2.46" (62.49mm)	30th Wettest	Wettest since: 1945	1984
Feb–Nov 1947 10-Month	24.15" (613.41mm)	22.92" (582.17mm)	1.23" (31.24mm)	83rd Driest	Driest since: 1944	1929
Feb–Nov 1947 10-Month	24.15" (613.41mm)	22.92" (582.17mm)	1.23" (31.24mm)	46th Wettest	Wettest since: 1946	1983
Jan–Nov 1947 11-Month	27.60" (701.04mm)	27.45" (697.23mm)	0.15" (3.81mm)	71st Driest	Driest since: 1944	1929
Jan–Nov 1947 11-Month	27.60" (701.04mm)	27.45" (697.23mm)	0.15" (3.81mm)	58th Wettest	Wettest since: 1946	1983
Dec 1946–Nov 1947 12-Month	31.77" (806.96mm)	32.09" (815.09mm)	-0.32" (-8.13mm)	59th Driest	Driest since: 1944	1929
Dec 1946–Nov 1947 12-Month	31.77" (806.96mm)	32.09" (815.09mm)	-0.32" (-8.13mm)	69th Wettest	Wettest since: 1946	1997
Jun 1946–Nov 1947 18-Month	45.58" (1,157.73mm)	43.68" (1,109.47mm)	1.90" (48.26mm)	91st Driest	Driest since: 1945	1929
Jun 1946–Nov 1947 18-Month	45.58" (1,157.73mm)	43.68" (1,109.47mm)	1.90" (48.26mm)	37th Wettest	Wettest since: 1946	1996
Dec 1945–Nov 1947 24-Month	66.38" (1,686.05mm)	64.20" (1,630.68mm)	2.18" (55.37mm)	85th Driest	Driest since: 1945	1929
Dec 1945–Nov 1947 24-Month	66.38" (1,686.05mm)	64.20" (1,630.68mm)	2.18" (55.37mm)	42nd Wettest	Wettest since: 1946	1997
Dec 1944–Nov 1947 36-Month	99.35" (2,523.49mm)	96.31" (2,446.27mm)	3.04" (77.22mm)	89th Driest	Driest since: 1946	1930
Dec 1944–Nov 1947 36-Month	99.35" (2,523.49mm)	96.31" (2,446.27mm)	3.04" (77.22mm)	37th Wettest	Wettest since: 1942	1997
Dec 1943–Nov 1947 48-Month	124.25" (3,155.95mm)	128.35" (3,260.09mm)	-4.10" (-104.14mm)	44th Driest	Driest since: 1946	1931
Dec 1943–Nov 1947 48-Month	124.25" (3,155.95mm)	128.35" (3,260.09mm)	-4.10" (-104.14mm)	81st Wettest	Wettest since: 1943	1998
Dec 1942–Nov 1947 60-Month	155.83" (3,958.08mm)	160.31" (4,071.87mm)	-4.48" (-113.79mm)	40th Driest	Driest since: 1945	1932
Dec 1942–Nov 1947 60-Month	155.83" (3,958.08mm)	160.31" (4,071.87mm)	-4.48" (-113.79mm)	84th Wettest	Wettest since: 1946	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings