Monday, November 01, 2010

Hottest Year Ever : Philadelphia Still Cooler Than 1828 | Real Science
Through October, Philadelphia has averaged 59.3F. The same period in 1828 averaged 59.6F. With La Niña coming on, is unlikely that the hottest year ever will finish as warm as 1828.

CO2 levels were 280 ppm in 1828.

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