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Two Sets of Books
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“It has been a source of great pain to me to have met with so many among [my] opponents who had not the liberality to distinguish between political and social opposition; who transferred at once to the person, the hatred they bore to his political opinions.” —Thomas Jefferson (1808)
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"One problem in weather monitoring occurs when there is a "break point" -- an instance where a thermometer is moved, or something producing heat is built near the thermometer, making temperature readings before and after the move no longer comparable. "Version 2.5 improved the efficiency of the algorithm.... more of the previously undetected break points are now accounted for," Smullen explained. He added that the report also recalculated "the baseline temperatures [that] were first computed nearly 20 years ago in an era with less available data and less computer power." Spencer says that the data do need to be adjusted -- but not the way NOAA did it. For instance, Spencer says that urban weather stations have reported higher temperatures partly because, as a city grows, it becomes a bit hotter. But instead of adjusting directly for that, he says that to make the urban and rural weather readings match, NOAA warmed the rural stations [temperature readings] to match the urban stations -- which would make it seem as if all areas were getting a bit warmer."
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