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Daryl Ritchison, WDAY, Published June 21 2012

Weather Talk: Claims do not represent true nature of temp data

The 1960s and 1970s were generally cold decades in the United States and around the world. This came after a few decades with general warming.

That time frame, especially in the 1970s, was a period when there was genuine scientific concern over the cooling Earth. Since then, most locations on the planet have once again warmed.

Last week, Climate Central, a political advocacy group, sent out a news release stating that Minnesota and numerous other states have recorded rapidly warming temperatures since 1970. Cherry picking is a concept of selecting the highest or lowest point in a data set to inflate your claims. Recently, there have also been claims of the Earth cooling rapidly since 1998, a very warm year globally.

Both claims could be considered correct, but both use specific data points that do not represent the true nature of the temperature data. As the old saying goes, there are lies, damned lies and statistics.

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