Probabilities of last freezing temperatures in spring and first in fall [St. Johns, 1940-69] Table 13. a Probability of snow ... Based on 15 years of record, the average annual windspeed is 10.4 miles per hour from the south. The month with theanbsp;...
|Title||:||Soil survey of Clinton County, Michigan|
|Author||:||Karl E. Pregitzer, Paul G. Corder, United States. Soil Conservation Service|