Regional Rankings

Regional Data Info
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 1949

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1949
1-Month		4.05"
(102.87mm)		4.63"
(117.60mm)		-0.58"
(-14.73mm)		50th Driest
Driest since:
1976
79th Wettest
Wettest since:
1964
Nov–Dec 1949
2-Month		8.52"
(216.41mm)		8.97"
(227.84mm)		-0.45"
(-11.43mm)		57th Driest
Driest since:
1976
72nd Wettest
Wettest since:
1996
Ties: 1957
Oct–Dec 1949
3-Month		10.85"
(275.59mm)		11.51"
(292.35mm)		-0.66"
(-16.76mm)		52nd Driest
Driest since:
1976
77th Wettest
Wettest since:
1996
Sep–Dec 1949
4-Month		12.09"
(307.09mm)		12.93"
(328.42mm)		-0.84"
(-21.33mm)		55th Driest
Driest since:
1976
74th Wettest
Wettest since:
1996
Aug–Dec 1949
5-Month		12.49"
(317.25mm)		13.73"
(348.74mm)		-1.24"
(-31.49mm)		48th Driest
Driest since:
1936
81st Wettest
Wettest since:
1996
Ties: 2008
Jul–Dec 1949
6-Month		12.88"
(327.15mm)		14.46"
(367.28mm)		-1.58"
(-40.13mm)		44th Driest
Driest since:
1936
85th Wettest
Wettest since:
1996
Jun–Dec 1949
7-Month		13.62"
(345.95mm)		16.18"
(410.97mm)		-2.56"
(-65.02mm)		28th Driest
Driest since:
1976
101st Wettest
Wettest since:
1996
May–Dec 1949
8-Month		16.05"
(407.67mm)		18.32"
(465.33mm)		-2.27"
(-57.66mm)		36th Driest
Driest since:
1935
93rd Wettest
Wettest since:
1996
Apr–Dec 1949
9-Month		17.08"
(433.83mm)		20.67"
(525.02mm)		-3.59"
(-91.19mm)		19th Driest
Driest since:
1976
110th Wettest
Wettest since:
1996
Mar–Dec 1949
10-Month		19.54"
(496.32mm)		23.93"
(607.82mm)		-4.39"
(-111.50mm)		13th Driest
Driest since:
1976
116th Wettest
Wettest since:
1996
Feb–Dec 1949
11-Month		25.57"
(649.48mm)		27.54"
(699.52mm)		-1.97"
(-50.04mm)		43rd Driest
Driest since:
1935
86th Wettest
Wettest since:
1996
Jan–Dec 1949
12-Month		26.96"
(684.78mm)		32.07"
(814.58mm)		-5.11"
(-129.80mm)		15th Driest
Driest since:
1929
114th Wettest
Wettest since:
1996
Jul 1948–Dec 1949
18-Month		44.01"
(1,117.85mm)		46.58"
(1,183.13mm)		-2.57"
(-65.28mm)		45th Driest
Driest since:
1929
83rd Wettest
Wettest since:
1996
Jan 1948–Dec 1949
24-Month		66.02"
(1,676.91mm)		64.19"
(1,630.43mm)		1.83"
(46.48mm)		78th Driest
Driest since:
1930
50th Wettest
Wettest since:
1996
Ties: 1970
Jan 1947–Dec 1949
36-Month		96.97"
(2,463.04mm)		96.33"
(2,446.78mm)		0.64"
(16.26mm)		68th Driest
Driest since:
1930
59th Wettest
Wettest since:
1997
Jan 1946–Dec 1949
48-Month		130.20"
(3,307.08mm)		128.33"
(3,259.58mm)		1.87"
(47.50mm)		82nd Driest
Driest since:
1931
44th Wettest
Wettest since:
1998
Jan 1945–Dec 1949
60-Month		166.63"
(4,232.40mm)		160.34"
(4,072.64mm)		6.29"
(159.76mm)		96th Driest
Driest since:
1932
29th Wettest
Wettest since:
1999

Citing This Page