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Do you remember being told that 1998 was the warmest year on record in the United States? Well, we shouldn't hear that particular claim in connection with the global-warming debate any longer. As reported by ala August 15 Los Angeles Times article: "A slight adjustment to U.S. temperature records has bumped 1998 as the hottest year in the country's history and made the Dust Bowl year of 1934 the new record holder, according to NASA."
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The adjustment was made because NASA researchers, after being tipped off by a Canadian blogger, checked the data and "found that the agency had merged two data sets that had been incorrectly assumed to match."
It is significant that the change in the U.S. temperature record that caused the re-ranking is very small. "When the data were corrected, it resulted in a decrease of 0.27 degrees Fahrenheit in yearly ...