Looking out at my front yard today I can see that about 3 inches of snow accumulation fell last night. I am just eyeballing it but there must be at least an inch more on my driveway and walk. How does it manage to do that? Then there is the online weather forecast web site I look to for my local weather prediction. It would seem at the moment where I live the temperature is 33 F and yet the predicted high for the day is 30 F. Another one of life's great mysteries I guess? Well after a cup of coffee it will be time to bundle up warmly and grab the snow shovel.