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Downtown vs. near the airport ... (urban heat island - in reverse)

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  • Pat Neuman
    ... Chicago: The official weather station for Chicago was moved during the late 1930s to early 1940s, from downtown to near the airport ... similar to
    Message 1 of 1 , Feb 3, 2005
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      Chicago: The "official" weather station for Chicago was moved during
      the late 1930s to early 1940s, from downtown to near the airport ...
      similar to weather station moves at Minneapolis and other metro areas.
      Thus, the text below is meaningful for chicago.indymedia local, in my
      opinion. "Official" temperature readings aren't kept in downtown
      Minneapolis anymore. They're kept at a location near the airport.


      Minneapolis: Was Minneapolis really 1 degree F cooler today than it
      was in 1934?

      ... I don't think so ...

      1934 temperatures for Minneapolis were measured in downtown ... where
      Urban Heat Island (UHI) was likely significant due to buildings and roads.

      2005 temperatures for Minneapolis are measured near the airport ...
      away from buildings and roads. The change in location from downtown to
      near the airport was in 1939.

      So … The "official" record high in Minneapolis on Feb 3rd will stay at
      51 F in 1934, for awhile anyway.

      Today it was only 50 F ... but that was near the airport ... not in
      downtown.

      See also this...
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      New graph on global warming at:
      http://twincities.indymedia.org/newswire/display/19801/index.php

      03 Feb 2005
      http://chicago.indymedia.org/newswire/display/52239/index.php

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      Pat N
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