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 1983

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 1983
1-Month 		7.55"
(191.77mm)		 4.34"
(110.24mm)		 3.21"
(81.53mm)		 123rd Driest
Driest since:
 1936
6th Wettest
Wettest since:
 1909
Ties: 1910
Oct–Nov 1983
2-Month 		9.15"
(232.41mm)		 6.88"
(174.75mm)		 2.27"
(57.66mm)		 106th Driest
Driest since:
 1936
23rd Wettest
Wettest since:
 1909
Sep–Nov 1983
3-Month 		10.50"
(266.70mm)		 8.30"
(210.82mm)		 2.20"
(55.88mm)		 104th Driest
Driest since:
 1936
25th Wettest
Wettest since:
 1973
Aug–Nov 1983
4-Month 		12.23"
(310.64mm)		 9.10"
(231.14mm)		 3.13"
(79.50mm)		 117th Driest
Driest since:
 1936
12th Wettest
Wettest since:
 1927
Jul–Nov 1983
5-Month 		14.46"
(367.28mm)		 9.83"
(249.68mm)		 4.63"
(117.60mm)		 125th Driest
Driest since:
 1929
4th Wettest
Wettest since:
 1909
Jun–Nov 1983
6-Month 		16.54"
(420.12mm)		 11.55"
(293.37mm)		 4.99"
(126.75mm)		 128th Driest
Driest since:
 1929
1st Wettest
Wettest to Date
 1983, 1984
Ties: 1984
May–Nov 1983
7-Month 		18.50"
(469.90mm)		 13.69"
(347.73mm)		 4.81"
(122.17mm)		 126th Driest
Driest since:
 1929
3rd Wettest
Wettest since:
 1984
Apr–Nov 1983
8-Month 		20.64"
(524.26mm)		 16.05"
(407.67mm)		 4.59"
(116.59mm)		 123rd Driest
Driest since:
 1929
6th Wettest
Wettest since:
 1984
Mar–Nov 1983
9-Month 		26.35"
(669.29mm)		 19.31"
(490.47mm)		 7.04"
(178.82mm)		 127th Driest
Driest since:
 1929
2nd Wettest
Wettest to Date
 1984
Feb–Nov 1983
10-Month 		31.61"
(802.89mm)		 22.92"
(582.17mm)		 8.69"
(220.72mm)		 128th Driest
Driest since:
 1929
1st Wettest
Wettest to Date
 1983
Jan–Nov 1983
11-Month 		36.39"
(924.31mm)		 27.45"
(697.23mm)		 8.94"
(227.08mm)		 128th Driest
Driest since:
 1929
1st Wettest
Wettest to Date
 1983
Dec 1982–Nov 1983
12-Month 		42.43"
(1,077.72mm)		 32.09"
(815.09mm)		 10.34"
(262.63mm)		 126th Driest
Driest since:
 1929
2nd Wettest
Wettest to Date
 1997
Jun 1982–Nov 1983
18-Month 		56.22"
(1,427.99mm)		 43.68"
(1,109.47mm)		 12.54"
(318.52mm)		 126th Driest
Driest since:
 1929
2nd Wettest
Wettest to Date
 1996
Dec 1981–Nov 1983
24-Month 		82.05"
(2,084.07mm)		 64.20"
(1,630.68mm)		 17.85"
(453.39mm)		 125th Driest
Driest since:
 1929
2nd Wettest
Wettest to Date
 1997
Dec 1980–Nov 1983
36-Month 		116.17"
(2,950.72mm)		 96.31"
(2,446.27mm)		 19.86"
(504.45mm)		 122nd Driest
Driest since:
 1930
4th Wettest
Wettest to Date
 1997
Dec 1979–Nov 1983
48-Month 		149.64"
(3,800.86mm)		 128.35"
(3,260.09mm)		 21.29"
(540.77mm)		 120th Driest
Driest since:
 1931
5th Wettest
Wettest to Date
 1998
Dec 1978–Nov 1983
60-Month 		177.72"
(4,514.09mm)		 160.31"
(4,071.87mm)		 17.41"
(442.22mm)		 116th Driest
Driest since:
 1932
8th Wettest
Wettest to Date
 1999

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