New Study Shows NOAA Overestimate US Warming By 50%

NOT A LOT OF PEOPLE KNOW THAT

By Paul Homewood

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https://fallmeeting.agu.org/2015/files/2015/12/Press-Release-NEW-STUDY-OF-NOAA-USHCN.pdf

A new paper has been published showing that bad siting of temperature stations has resulted in NOAA overestimating US warming trends by about 50% since 1979.

The study by Anthony Watts, Evan Jones, John Nielson-Gammon and John Christy has carefully identified a subset of 410 USHCN stations, that have not been moved, had equipment changes, or changes in time of observations, and thus require no “adjustments” to their temperature record to account for these problems. From within this subset, the trend for high quality sites has been compared with the rest.

The Press Release gives the details:

SAN FRANCISO, CA – A new study about the surface temperature record presented at the 2015 Fall Meeting of the American Geophysical Union suggests that the 30-year trend of temperatures for the Continental United States (CONUS) since 1979 are about two thirds as strong as officially NOAA temperature trends.

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