Wind Turbines Give Warm Fuzzy Feeling
How Wind Turbines Affect Your (Very) Local Weather: Scientific American
Turbines make it warmer at night and cooler during the day, generally speaking.
"For most regions, the mean temperatures may not change by much because the warming and cooling effects may cancel out,"
I have a feeling that the Tmin figure being increased (not so cold) might be important, it certainly is driving a lot of the recorded warming, rather than change in Tmax. But hey, it's only local.....