Regional Rankings

Parameter:

Year:

Month:

Region:

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, December 1947

View Period (Months):

All

Download: CSV JSON XML

Record Driest
Bottom ⅒
Bottom ⅓
Normal
Top ⅓
Top ⅒
Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 1947 1-Month	3.35" (85.09mm)	4.63" (117.60mm)	-1.28" (-32.51mm)	32nd Driest	Driest since: 1944	1976
December 1947 1-Month	3.35" (85.09mm)	4.63" (117.60mm)	-1.28" (-32.51mm)	97th Wettest	Wettest since: 1946	1964
Nov–Dec 1947 2-Month	6.90" (175.26mm)	8.97" (227.84mm)	-2.07" (-52.58mm)	29th Driest	Driest since: 1944	1976
	6.90" (175.26mm)	8.97" (227.84mm)	-2.07" (-52.58mm)	100th Wettest	Wettest since: 1946	1996
	Ties: 1986, 2009
Oct–Dec 1947 3-Month	12.69" (322.33mm)	11.51" (292.35mm)	1.18" (29.98mm)	81st Driest	Driest since: 1944	1976
Oct–Dec 1947 3-Month	12.69" (322.33mm)	11.51" (292.35mm)	1.18" (29.98mm)	48th Wettest	Wettest since: 1946	1996
Sep–Dec 1947 4-Month	14.19" (360.43mm)	12.93" (328.42mm)	1.26" (32.01mm)	80th Driest	Driest since: 1944	1976
Sep–Dec 1947 4-Month	14.19" (360.43mm)	12.93" (328.42mm)	1.26" (32.01mm)	49th Wettest	Wettest since: 1946	1996
Aug–Dec 1947 5-Month	14.76" (374.90mm)	13.73" (348.74mm)	1.03" (26.16mm)	81st Driest	Driest since: 1944	1936
Aug–Dec 1947 5-Month	14.76" (374.90mm)	13.73" (348.74mm)	1.03" (26.16mm)	48th Wettest	Wettest since: 1946	1996
Jul–Dec 1947 6-Month	15.59" (395.99mm)	14.46" (367.28mm)	1.13" (28.71mm)	80th Driest	Driest since: 1944	1936
Jul–Dec 1947 6-Month	15.59" (395.99mm)	14.46" (367.28mm)	1.13" (28.71mm)	49th Wettest	Wettest since: 1946	1996
Jun–Dec 1947 7-Month	18.91" (480.31mm)	16.18" (410.97mm)	2.73" (69.34mm)	102nd Driest	Driest since: 1946	1976
Jun–Dec 1947 7-Month	18.91" (480.31mm)	16.18" (410.97mm)	2.73" (69.34mm)	27th Wettest	Wettest since: 1942	1996
May–Dec 1947 8-Month	20.10" (510.54mm)	18.32" (465.33mm)	1.78" (45.21mm)	91st Driest	Driest since: 1946	1935
May–Dec 1947 8-Month	20.10" (510.54mm)	18.32" (465.33mm)	1.78" (45.21mm)	38th Wettest	Wettest since: 1945	1996
Apr–Dec 1947 9-Month	22.16" (562.86mm)	20.67" (525.02mm)	1.49" (37.84mm)	85th Driest	Driest since: 1946	1976
Apr–Dec 1947 9-Month	22.16" (562.86mm)	20.67" (525.02mm)	1.49" (37.84mm)	44th Wettest	Wettest since: 1945	1996
Mar–Dec 1947 10-Month	25.12" (638.05mm)	23.93" (607.82mm)	1.19" (30.23mm)	81st Driest	Driest since: 1946	1976
	25.12" (638.05mm)	23.93" (607.82mm)	1.19" (30.23mm)	48th Wettest	Wettest since: 1945	1996
	Ties: 2015
Feb–Dec 1947 11-Month	27.50" (698.50mm)	27.54" (699.52mm)	-0.04" (-1.02mm)	65th Driest	Driest since: 1944	1935
Feb–Dec 1947 11-Month	27.50" (698.50mm)	27.54" (699.52mm)	-0.04" (-1.02mm)	64th Wettest	Wettest since: 1946	1996
Jan–Dec 1947 12-Month	30.95" (786.13mm)	32.07" (814.58mm)	-1.12" (-28.45mm)	56th Driest	Driest since: 1944	1929
Jan–Dec 1947 12-Month	30.95" (786.13mm)	32.07" (814.58mm)	-1.12" (-28.45mm)	73rd Wettest	Wettest since: 1946	1996
Jul 1946–Dec 1947 18-Month	47.00" (1,193.80mm)	46.58" (1,183.13mm)	0.42" (10.67mm)	70th Driest	Driest since: 1945	1929
	47.00" (1,193.80mm)	46.58" (1,183.13mm)	0.42" (10.67mm)	58th Wettest	Wettest since: 1946	1996
	Ties: 1906
Jan 1946–Dec 1947 24-Month	64.18" (1,630.17mm)	64.19" (1,630.43mm)	-0.01" (-0.26mm)	66th Driest	Driest since: 1945	1930
Jan 1946–Dec 1947 24-Month	64.18" (1,630.17mm)	64.19" (1,630.43mm)	-0.01" (-0.26mm)	62nd Wettest	Wettest since: 1946	1996
Jan 1945–Dec 1947 36-Month	100.61" (2,555.49mm)	96.33" (2,446.78mm)	4.28" (108.71mm)	98th Driest	Driest since: 1946	1930
Jan 1945–Dec 1947 36-Month	100.61" (2,555.49mm)	96.33" (2,446.78mm)	4.28" (108.71mm)	29th Wettest	Wettest since: 1942	1997
Jan 1944–Dec 1947 48-Month	125.39" (3,184.91mm)	128.33" (3,259.58mm)	-2.94" (-74.67mm)	45th Driest	Driest since: 1946	1931
Jan 1944–Dec 1947 48-Month	125.39" (3,184.91mm)	128.33" (3,259.58mm)	-2.94" (-74.67mm)	81st Wettest	Wettest since: 1943	1998
Jan 1943–Dec 1947 60-Month	152.63" (3,876.80mm)	160.34" (4,072.64mm)	-7.71" (-195.84mm)	27th Driest	Driest since: 1939	1932
Jan 1943–Dec 1947 60-Month	152.63" (3,876.80mm)	160.34" (4,072.64mm)	-7.71" (-195.84mm)	98th Wettest	Wettest since: 1946	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings