U.S. October 2009 Temperature Highlights
National Overview (from the
National Climatic Data Center):
- The average October temperature of 50.8°F was 4.0°F
below the 20th Century average and ranked as the 3rd
coolest based on preliminary data.
- For the nation as a whole, it was the third coolest October on
record. The month was marked by an active weather pattern that
reinforced unseasonably cold air behind a series of cold fronts.
Temperatures were below normal in eight of the nation's nine climate
regions, and of the nine, five were much below normal. Only the
Southeast climate region had near normal temperatures for October.
- Statewide temperatures coincided with the regional
values as all but six states had below normal temperatures.
- Oklahoma had its coolest October on record and ten
other states had their top five coolest such months.
- Florida was the only state to have an above normal temperature
average in October. It was the sixth consecutive month that the
Florida's temperature was above normal, resulting in the third
warmest such period (May-October).
Applied Climate Science
School of Natural Resources
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