The SDSU Mesonet listed the frost depth at 52 inches in Lemmon ... South Dakota in the Sioux Falls area, the frost depth is shallower because there is some snow cover. SDSU Mesonet maps show ...

Hidden in the northern side of Black Hills lies the charming town of Lemmon, South Dakota, which offers a unique experience that can be refreshing from the usual tourist hotspots. This town is a ...