UHI causes temperatures to rise as suburban sprawl spreads. NOAA and NASA have responded by making massive adjustments in the wrong direction.
Science – Cities Make Their Own Weather – View Article – NYTimes.com
Sometimes when you are a government scientist saving the planet, you just have to commit massive scientific fraud.
Dulles Airport, about 20 miles outside DC is a great example of a rural area being overwhelmed with high density development. Their minimum temperatures on calm nights are far warmer than they used to be.