How not to measure temperature, part 40

Here.

Excerpt:

While it’s likely the BBQ grill is not used daily, one has to wonder just how much bias it’s proximity imparts into the temperature record.
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The recently released paper from LaDochy et al. showed that “urban” stations warmed at a rate of 0.20°C per decade while the “non-urban” stations warmed only 0.08°C per decade, with the lack of attention to the measuring environment such as we see here, is it any wonder?