Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, February 1931

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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
February 1931 1-Month	2.19" (55.63mm)	3.61" (91.69mm)	-1.42" (-36.06mm)	25th Driest	Driest since: 1929	1920
February 1931 1-Month	2.19" (55.63mm)	3.61" (91.69mm)	-1.42" (-36.06mm)	105th Wettest	Wettest since: 1930	1904
Jan–Feb 1931 2-Month	5.82" (147.83mm)	8.14" (206.76mm)	-2.32" (-58.93mm)	22nd Driest	Driest since: 1929	1977
Jan–Feb 1931 2-Month	5.82" (147.83mm)	8.14" (206.76mm)	-2.32" (-58.93mm)	108th Wettest	Wettest since: 1930	1953
Dec 1930–Feb 1931 3-Month	7.49" (190.25mm)	12.78" (324.61mm)	-5.29" (-134.36mm)	4th Driest	Driest to Date	1977
Dec 1930–Feb 1931 3-Month	7.49" (190.25mm)	12.78" (324.61mm)	-5.29" (-134.36mm)	125th Wettest	Wettest since: 1930	1965
Nov 1930–Feb 1931 4-Month	10.06" (255.52mm)	17.14" (435.36mm)	-7.08" (-179.84mm)	5th Driest	Driest to Date	1977
Nov 1930–Feb 1931 4-Month	10.06" (255.52mm)	17.14" (435.36mm)	-7.08" (-179.84mm)	124th Wettest	Wettest since: 1930	1974
Oct 1930–Feb 1931 5-Month	12.25" (311.15mm)	19.69" (500.13mm)	-7.44" (-188.98mm)	3rd Driest	Driest to Date	1977
Oct 1930–Feb 1931 5-Month	12.25" (311.15mm)	19.69" (500.13mm)	-7.44" (-188.98mm)	126th Wettest	Wettest since: 1930	1956
Sep 1930–Feb 1931 6-Month	13.86" (352.04mm)	21.11" (536.19mm)	-7.25" (-184.15mm)	5th Driest	Driest to Date	1977
Sep 1930–Feb 1931 6-Month	13.86" (352.04mm)	21.11" (536.19mm)	-7.25" (-184.15mm)	124th Wettest	Wettest since: 1930	1974
Aug 1930–Feb 1931 7-Month	14.58" (370.33mm)	21.92" (556.77mm)	-7.34" (-186.44mm)	5th Driest	Driest since: 1929	1977
Aug 1930–Feb 1931 7-Month	14.58" (370.33mm)	21.92" (556.77mm)	-7.34" (-186.44mm)	124th Wettest	Wettest since: 1930	1974
Jul 1930–Feb 1931 8-Month	14.79" (375.67mm)	22.65" (575.31mm)	-7.86" (-199.64mm)	3rd Driest	Driest to Date	1977
Jul 1930–Feb 1931 8-Month	14.79" (375.67mm)	22.65" (575.31mm)	-7.86" (-199.64mm)	126th Wettest	Wettest since: 1930	1956
Jun 1930–Feb 1931 9-Month	15.86" (402.84mm)	24.37" (619.00mm)	-8.51" (-216.16mm)	3rd Driest	Driest to Date	1977
Jun 1930–Feb 1931 9-Month	15.86" (402.84mm)	24.37" (619.00mm)	-8.51" (-216.16mm)	126th Wettest	Wettest since: 1930	1996
May 1930–Feb 1931 10-Month	18.19" (462.03mm)	26.52" (673.61mm)	-8.33" (-211.58mm)	5th Driest	Driest since: 1929	1977
May 1930–Feb 1931 10-Month	18.19" (462.03mm)	26.52" (673.61mm)	-8.33" (-211.58mm)	124th Wettest	Wettest since: 1930	1999
Apr 1930–Feb 1931 11-Month	20.44" (519.18mm)	28.88" (733.55mm)	-8.44" (-214.37mm)	4th Driest	Driest since: 1929	1977
Apr 1930–Feb 1931 11-Month	20.44" (519.18mm)	28.88" (733.55mm)	-8.44" (-214.37mm)	125th Wettest	Wettest since: 1930	1997
Mar 1930–Feb 1931 12-Month	22.50" (571.50mm)	32.14" (816.36mm)	-9.64" (-244.86mm)	3rd Driest	Driest to Date	1977
Mar 1930–Feb 1931 12-Month	22.50" (571.50mm)	32.14" (816.36mm)	-9.64" (-244.86mm)	126th Wettest	Wettest since: 1930	1996
Sep 1929–Feb 1931 18-Month	38.03" (965.96mm)	53.27" (1,353.06mm)	-15.24" (-387.10mm)	1st Driest	Driest to Date	1931
Sep 1929–Feb 1931 18-Month	38.03" (965.96mm)	53.27" (1,353.06mm)	-15.24" (-387.10mm)	127th Wettest	Wettest since: 1930	1997
Mar 1929–Feb 1931 24-Month	47.20" (1,198.88mm)	64.31" (1,633.47mm)	-17.11" (-434.59mm)	1st Driest	Driest to Date	1931
Mar 1929–Feb 1931 24-Month	47.20" (1,198.88mm)	64.31" (1,633.47mm)	-17.11" (-434.59mm)	127th Wettest	Wettest since: 1930	1997
Mar 1928–Feb 1931 36-Month	72.20" (1,833.88mm)	96.34" (2,447.04mm)	-24.14" (-613.16mm)	1st Driest	Driest to Date	1931
Mar 1928–Feb 1931 36-Month	72.20" (1,833.88mm)	96.34" (2,447.04mm)	-24.14" (-613.16mm)	126th Wettest	Wettest since: 1930	1998
Mar 1927–Feb 1931 48-Month	103.93" (2,639.82mm)	128.36" (3,260.34mm)	-24.43" (-620.52mm)	2nd Driest	Driest to Date	1932
Mar 1927–Feb 1931 48-Month	103.93" (2,639.82mm)	128.36" (3,260.34mm)	-24.43" (-620.52mm)	124th Wettest	Wettest since: 1930	1999
Mar 1926–Feb 1931 60-Month	136.30" (3,462.02mm)	160.34" (4,072.64mm)	-24.04" (-610.62mm)	2nd Driest	Driest to Date	1932
Mar 1926–Feb 1931 60-Month	136.30" (3,462.02mm)	160.34" (4,072.64mm)	-24.04" (-610.62mm)	123rd Wettest	Wettest since: 1930	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings