CLIMATIC CONDITIONS OF THE UNITED STATES. 



265 



Table 13. — Number of days in the period of the average frostless season with normal precipitan 

 Hon of more than 0.10 inch and with normal precipitation of 0.10 inch or less, the latter 

 also expressed as percentage of the number of days in the average frostless season. (Plates 

 47, 48, and 49.) — Continued. 



