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.

Pacific Northwest Basin

Average Temperature Rankings, December 1930

View Period (Months):
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  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1930
1-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Nov–Dec 1930
2-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Oct–Dec 1930
3-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Sep–Dec 1930
4-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Aug–Dec 1930
5-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jul–Dec 1930
6-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jun–Dec 1930
7-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
May–Dec 1930
8-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Apr–Dec 1930
9-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Mar–Dec 1930
10-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Feb–Dec 1930
11-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan–Dec 1930
12-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jul 1929–Dec 1930
18-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan 1929–Dec 1930
24-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan 1928–Dec 1930
36-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan 1927–Dec 1930
48-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--
Jan 1926–Dec 1930
60-Month
°F °F °F 0th Coolest
Coolest to Date
--
0th Warmest
Warmest to Date
--

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