Rad. Directio 



[85] 



the 12th, the thermometer in the shade reached from 8o° to ! 

 Fah. The mean temperature was above the average, althougr 

 veek the temperaturewas rather low through the day,; 



Force of Vapour Ditto . 



Least observed degree of Moisture . 

 Maximum Temperature in theShade. 

 Minimum Temperature in ditto . . . 

 Maximum Temperature in the Sun 

 Minimum of Terrestrial Radiation . 

 Mean Temperature of External Air . 



