Climatological Rankings

Look up monthly U.S., Statewide, DivisionalClimate Divisions, and RegionalClimate Regions Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts

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West Precipitation Rankings, December 2009


Driest
110
13
Normal
13
110
Wettest

More information on Climatological Rankings

Period Amount 20th Century
Average
Departure Rank
(out of 119 years)
Record Wettest/Driest
Since
Dec 2009
1-month period
2.08"
(52.83 mm)
2.47"
(62.74 mm)
-0.39"
(-9.91 mm)
59th Driest 1989 Driest since: 2008
59th Wettest 1955 Wettest since: 2007
Ties: 1988