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 1930

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
November 1930 1-Month	2.57" (65.28mm)	4.34" (110.24mm)	-1.77" (-44.96mm)	22nd Driest	Driest since: 1929	1936
	2.57" (65.28mm)	4.34" (110.24mm)	-1.77" (-44.96mm)	107th Wettest	Wettest since: 1928	1909
	Ties: 2002
Oct–Nov 1930 2-Month	4.76" (120.90mm)	6.88" (174.75mm)	-2.12" (-53.85mm)	19th Driest	Driest since: 1929	1936
	4.76" (120.90mm)	6.88" (174.75mm)	-2.12" (-53.85mm)	110th Wettest	Wettest since: 1928	1909
	Ties: 1974
Sep–Nov 1930 3-Month	6.37" (161.80mm)	8.30" (210.82mm)	-1.93" (-49.02mm)	24th Driest	Driest since: 1929	1936
	6.37" (161.80mm)	8.30" (210.82mm)	-1.93" (-49.02mm)	105th Wettest	Wettest since: 1927	1973
	Ties: 1907, 1972, 2018
Aug–Nov 1930 4-Month	7.09" (180.09mm)	9.10" (231.14mm)	-2.01" (-51.05mm)	25th Driest	Driest since: 1929	1936
Aug–Nov 1930 4-Month	7.09" (180.09mm)	9.10" (231.14mm)	-2.01" (-51.05mm)	104th Wettest	Wettest since: 1927	1927
Jul–Nov 1930 5-Month	7.30" (185.42mm)	9.83" (249.68mm)	-2.53" (-64.26mm)	18th Driest	Driest since: 1929	1929
Jul–Nov 1930 5-Month	7.30" (185.42mm)	9.83" (249.68mm)	-2.53" (-64.26mm)	111th Wettest	Wettest since: 1927	1909
Jun–Nov 1930 6-Month	8.37" (212.60mm)	11.55" (293.37mm)	-3.18" (-80.77mm)	16th Driest	Driest since: 1929	1929
Jun–Nov 1930 6-Month	8.37" (212.60mm)	11.55" (293.37mm)	-3.18" (-80.77mm)	113th Wettest	Wettest since: 1927	1983, 1984
May–Nov 1930 7-Month	10.70" (271.78mm)	13.69" (347.73mm)	-2.99" (-75.95mm)	19th Driest	Driest since: 1929	1929
May–Nov 1930 7-Month	10.70" (271.78mm)	13.69" (347.73mm)	-2.99" (-75.95mm)	110th Wettest	Wettest since: 1927	1984
Apr–Nov 1930 8-Month	12.95" (328.93mm)	16.05" (407.67mm)	-3.10" (-78.74mm)	16th Driest	Driest since: 1929	1929
Apr–Nov 1930 8-Month	12.95" (328.93mm)	16.05" (407.67mm)	-3.10" (-78.74mm)	113th Wettest	Wettest since: 1927	1984
Mar–Nov 1930 9-Month	15.01" (381.25mm)	19.31" (490.47mm)	-4.30" (-109.22mm)	11th Driest	Driest since: 1929	1929
Mar–Nov 1930 9-Month	15.01" (381.25mm)	19.31" (490.47mm)	-4.30" (-109.22mm)	118th Wettest	Wettest since: 1928	1984
Feb–Nov 1930 10-Month	19.29" (489.97mm)	22.92" (582.17mm)	-3.63" (-92.20mm)	19th Driest	Driest since: 1929	1929
Feb–Nov 1930 10-Month	19.29" (489.97mm)	22.92" (582.17mm)	-3.63" (-92.20mm)	110th Wettest	Wettest since: 1927	1983
Jan–Nov 1930 11-Month	22.06" (560.32mm)	27.45" (697.23mm)	-5.39" (-136.91mm)	12th Driest	Driest since: 1929	1929
Jan–Nov 1930 11-Month	22.06" (560.32mm)	27.45" (697.23mm)	-5.39" (-136.91mm)	117th Wettest	Wettest since: 1927	1983
Dec 1929–Nov 1930 12-Month	28.49" (723.65mm)	32.09" (815.09mm)	-3.60" (-91.44mm)	25th Driest	Driest since: 1929	1929
Dec 1929–Nov 1930 12-Month	28.49" (723.65mm)	32.09" (815.09mm)	-3.60" (-91.44mm)	103rd Wettest	Wettest since: 1927	1997
Jun 1929–Nov 1930 18-Month	33.19" (843.03mm)	43.68" (1,109.47mm)	-10.49" (-266.44mm)	5th Driest	Driest since: 1929	1929
Jun 1929–Nov 1930 18-Month	33.19" (843.03mm)	43.68" (1,109.47mm)	-10.49" (-266.44mm)	123rd Wettest	Wettest since: 1928	1996
Dec 1928–Nov 1930 24-Month	48.11" (1,221.99mm)	64.20" (1,630.68mm)	-16.09" (-408.69mm)	2nd Driest	Driest since: 1929	1929
Dec 1928–Nov 1930 24-Month	48.11" (1,221.99mm)	64.20" (1,630.68mm)	-16.09" (-408.69mm)	125th Wettest	Wettest since: 1928	1997
Dec 1927–Nov 1930 36-Month	73.02" (1,854.71mm)	96.31" (2,446.27mm)	-23.29" (-591.56mm)	1st Driest	Driest since: 1930	1930
Dec 1927–Nov 1930 36-Month	73.02" (1,854.71mm)	96.31" (2,446.27mm)	-23.29" (-591.56mm)	125th Wettest	Wettest since: 1929	1997
Dec 1926–Nov 1930 48-Month	110.47" (2,805.94mm)	128.35" (3,260.09mm)	-17.88" (-454.15mm)	3rd Driest	Driest since: 1930	1931
Dec 1926–Nov 1930 48-Month	110.47" (2,805.94mm)	128.35" (3,260.09mm)	-17.88" (-454.15mm)	122nd Wettest	Wettest since: 1929	1998
Dec 1925–Nov 1930 60-Month	140.93" (3,579.62mm)	160.31" (4,071.87mm)	-19.38" (-492.25mm)	4th Driest	Driest since: 1930	1932
Dec 1925–Nov 1930 60-Month	140.93" (3,579.62mm)	160.31" (4,071.87mm)	-19.38" (-492.25mm)	120th Wettest	Wettest since: 1929	1999

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