With Thanksgiving coming up this week many of you will be paying close attention to the weather forecast. The common perception is that it there always seems to be a storm during the Thanksgiving weekend. There are probably two reasons for this. First, is length, as over the course of four or five days the odds of some precipitation falling is always relatively high and it does not take much precipitation to cause travel headaches.

The second may surprise you and deals with the timing of storms. In the 127 previous years of record keeping the days in November with the highest percentage of precipitation occurring have been on the 25th, 26th and 27th with snow falling on those days in nearly one year in three. The November daily average is for precipitation to fall on any given day in about one year in five. So the perception of storms around Thanksgiving does have some statistical confirmation to it.