These tables list the probability of 450 Degree Days F. occuring on a given day at that site. They use a 45 degree base, suitable for Army Cutworm activity.

Big Timber	Moccasin
Bozeman	Rapelje
Culbertson	Roundup
Dillon	Savage
Ekalaka	Three Forks
Glasgow	Valier
Havre
Helena
Huntley
Jordan
Mile City
Missoula