Anthony Watts recently appeared on Hannity's America discussing his Surface Station Project, which shows the surface station data to be very unreliable due to poor siting of a majority of the surface stations, i.e. next to parking lots, next to air conditioning exhausts, or on roofs. Since the temperature data is biased towards higher temperatures, that's what makes the information so useful to Al Gore, James Hansen, et al.

For example click here, then look at the "Random Image" at the left side of the screen, and keep clicking your refresh button to bring up a new random image.

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