Regional Rankings

Regional Data Info
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, December 1931

View Period (Months):
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  • Record Driest
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  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1931
1-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Nov–Dec 1931
2-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Oct–Dec 1931
3-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Sep–Dec 1931
4-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Aug–Dec 1931
5-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jul–Dec 1931
6-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jun–Dec 1931
7-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
May–Dec 1931
8-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Apr–Dec 1931
9-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Mar–Dec 1931
10-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Feb–Dec 1931
11-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan–Dec 1931
12-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jul 1930–Dec 1931
18-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan 1930–Dec 1931
24-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan 1929–Dec 1931
36-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan 1928–Dec 1931
48-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--
Jan 1927–Dec 1931
60-Month
" " " 0th Driest
Driest to Date
--
0th Wettest
Wettest to Date
--

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