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, November 1946

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 1946
1-Month 		5.52"
(140.21mm)		 4.34"
(110.24mm)		 1.18"
(29.97mm)		 99th Driest
Driest since:
 1936
30th Wettest
Wettest since:
 1909
Oct–Nov 1946
2-Month 		9.26"
(235.20mm)		 6.88"
(174.75mm)		 2.38"
(60.45mm)		 108th Driest
Driest since:
 1936
21st Wettest
Wettest since:
 1909
Sep–Nov 1946
3-Month 		10.62"
(269.75mm)		 8.30"
(210.82mm)		 2.32"
(58.93mm)		 106th Driest
Driest since:
 1936
23rd Wettest
Wettest since:
 1973
Aug–Nov 1946
4-Month 		11.20"
(284.48mm)		 9.10"
(231.14mm)		 2.10"
(53.34mm)		 105th Driest
Driest since:
 1936
24th Wettest
Wettest since:
 1927
Jul–Nov 1946
5-Month 		11.88"
(301.75mm)		 9.83"
(249.68mm)		 2.05"
(52.07mm)		 105th Driest
Driest since:
 1929
24th Wettest
Wettest since:
 1909
Jun–Nov 1946
6-Month 		13.81"
(350.77mm)		 11.55"
(293.37mm)		 2.26"
(57.40mm)		 107th Driest
Driest since:
 1929
22nd Wettest
Wettest since:
 1983, 1984
May–Nov 1946
7-Month 		15.50"
(393.70mm)		 13.69"
(347.73mm)		 1.81"
(45.97mm)		 91st Driest
Driest since:
 1929
38th Wettest
Wettest since:
 1984
Apr–Nov 1946
8-Month 		17.10"
(434.34mm)		 16.05"
(407.67mm)		 1.05"
(26.67mm)		 78th Driest
Driest since:
 1929
51st Wettest
Wettest since:
 1984
Mar–Nov 1946
9-Month 		20.92"
(531.37mm)		 19.31"
(490.47mm)		 1.61"
(40.90mm)		 83rd Driest
Driest since:
 1929
46th Wettest
Wettest since:
 1984
Feb–Nov 1946
10-Month 		24.57"
(624.08mm)		 22.92"
(582.17mm)		 1.65"
(41.91mm)		 88th Driest
Driest since:
 1929
41st Wettest
Wettest since:
 1983
Jan–Nov 1946
11-Month 		29.06"
(738.12mm)		 27.45"
(697.23mm)		 1.61"
(40.89mm)		 83rd Driest
Driest since:
 1929
46th Wettest
Wettest since:
 1983
Dec 1945–Nov 1946
12-Month 		34.61"
(879.09mm)		 32.09"
(815.09mm)		 2.52"
(64.00mm)		 93rd Driest
Driest since:
 1929
35th Wettest
Wettest since:
 1997
Jun 1945–Nov 1946
18-Month 		47.16"
(1,197.86mm)		 43.68"
(1,109.47mm)		 3.48"
(88.39mm)		 98th Driest
Driest since:
 1929
30th Wettest
Wettest since:
 1996
Dec 1944–Nov 1946
24-Month 		67.58"
(1,716.53mm)		 64.20"
(1,630.68mm)		 3.38"
(85.85mm)		 94th Driest
Driest since:
 1929
33rd Wettest
Wettest since:
 1997
Dec 1943–Nov 1946
36-Month 		92.48"
(2,348.99mm)		 96.31"
(2,446.27mm)		 -3.83"
(-97.28mm)		 39th Driest
Driest since:
 1930
87th Wettest
Wettest since:
 1997
Dec 1942–Nov 1946
48-Month 		124.06"
(3,151.12mm)		 128.35"
(3,260.09mm)		 -4.29"
(-108.97mm)		 42nd Driest
Driest since:
 1931
83rd Wettest
Wettest since:
 1998
Dec 1941–Nov 1946
60-Month 		157.74"
(4,006.60mm)		 160.31"
(4,071.87mm)		 -2.57"
(-65.27mm)		 50th Driest
Driest since:
 1932
74th Wettest
Wettest since:
 1999

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