230 



H. MOHN. METEOROLOGY. [2nd. ARC. EXP. FRAM 



CALMS. DAILY PERIOD. 



Counting the number of observed Calms for each observation-hour 

 and month, and taking the means for each hour (weighted for July, 

 August, September and October), we get the following Table. 



January. 



February. 



March. 



April. 



May. 



31 

 31 



31 

 31 



