Philadelphia January Temperatures Declining Since 1790

ScreenHunter_353 Jan. 25 09.34 ScreenHunter_352 Jan. 25 09.33

Philadelphia January temperatures peaked in 1790, and have been declining ever since

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The year 1828 was more than four degrees warmer in Philadelphia than 2013

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A Meteorological Account of the Weather in Philadelphia: From January 1 … – Charles Peirce – Google Books

About stevengoddard

Just having fun
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7 Responses to Philadelphia January Temperatures Declining Since 1790

  1. Brian D says:

    Here’s another link to Philly’s weather data. Has chart’s as well.
    http://www.fi.edu/weather/data2/index.html

  2. fp says:

    You’re good with charts, can you produce a chart like this that goes back further than 1970: http://xkcd.com/1321/

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