The odd thing is having Rutland be one of the indicators of winter in VT... and they don’t do any snow measurements there. So not sure how they are calculating it then? There’s no snowfall or snowpack data from KRUT, yet that’s the station they choose?
“At the very least, the severity of a winter is related to the intensity and persistence of cold weather, the amount of snow, and the amount and persistence of snow on the ground. The Accumulated Winter Season Index (AWSSI) was developed to objectively quantify and describe the relative severity of the winter season.”