Author: Bob Maindelle | For the Herald

The weather last week was one of wild swings in temperature, cloud cover, wind direction and wind speed.We experienced freezing temperatures and frost on Tuesday with no clouds and mostly calm winds.Next came a three-day warming trend with increasing clouds, and temperatures up to 72 in a breezy southwest wind on Friday. Temperatures dropped as northwesterly winds picked up with a strong cold front moving in overnight into Saturday morning, dropping the ambient temperature again to 37, with a wind chill of 27.Despite the extremes, there has been a slow, net warming of water in our reservoirs over the past…