Frost line depth in Rawlins County, KS
How deep the ground freezes in Rawlins County, KS
25 in. Dig to 26 in, just below the frost. Nearest NOAA station: Atwood, 2 mi.
Your building department sets the legal frost line depth (IRC Table R301.2(1)); footings must go below it (R403.1.4.1). Call them before you dig.