Yep! we're right on the line between 5a &5b, and i think if the guy that drew the map was here in this river valley in the winter, he would have made it 4a, instead!
Several days of-20 to -25 almost every year, and we've had the occasional -30, just to keep us on our toes
!! our oldest and her husband were just transfered to Pewaukee, and they will probably have milder winters than us!...Arlyn