Monday, December 03, 2007

"How not to measure temperature, part 41"

Here.

Excerpt:
The view shows it to be clearly rural in nature, at an elevation of 2170 feet, but I think the local microsite biases are as great as what is seen in some city weather stations.

While I realize flat space on a mountain comes at a premium, you’d think they could do a little better with placement of this station. Vehicles can park radiator inward within a few feet of the shelter, and the asphalt and building proximity certainly break the NOAA 100 foot siting rule. Since the station is just a few steps from the rear door, again it appears the placement was for the convenience of the observer, and not for the quality of the measurement.

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