308 



ENVIRONMENTAL CONDITIONS. 



Table 16. — Weekly precipitation (P) and weekly rates of evaporation (E), the latter from 

 cylindrical porous-cyp atmometers, summer of 1908. — Continued. 



* Precipitation data from monthly weather reports. 



* T means trace, less than 001 inch. 



* Precipitation data are foi Boscommon. 



^ Much interpolation on account of infrequent readings. 



