701 



STATE BOARD OF AGRICULTURE. 



aud leveled evei'vllniig in its i)al1i. Had it passed through any city it 

 Avonld have caused great loss of life and greater destruction to property. 

 High winds occur at intervals in connection with thunderstorms, of 

 sufficient strength to do serious damage, but the state is still fairly well 

 wooded and suHiclently rolling to check tlie wind velocity to a consider- 

 able extent. Iligh Avinds are frequent on the Great Lakes, in connection 

 with marked cyclonic formations, but their velocity is lessened as they 

 come inland. 



Oc t . 10 



CHART XII. -Average date of the first killing 

 frost in autumn. 



