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National Park Service
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Did You Know?
A 1° F increase in average temperature seen in California over the last 100 years has led to Sierra snow melting 2 to 4 weeks earlier and flowers blooming 1 to 2 weeks earlier. Temperatures are predicted to increase another 1° to 2° F in the next 25 years.
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Last Updated: July 25, 2006 at 00:22 EST |