Mark Spoden, Grand Rapids area wildlife manager with the DNR, joined the morning show to discuss how wildlife biologists measure winter severity.
Winter may end “tougher than average” for whitetails - The Timberjay
The spatiotemporal variations of winter severity over North
Another tough winter for northern Minnesota deer - Duluth News
Winter Severity Index
Understanding the Winter Severity Index
DISGELO Winter Severity Index
Think this winter is harsh? Here's what the numbers say
SPIA Index
NWS La Crosse Winter Storm Severity Index