AMOUNT OY CLOUD. 



The Amount of Cloud is estimated on the Scale (blue sky) to 10 (overcast sky). 



The Belt of Sky between the horizon and 30° altitude is not taken into account in these observations. 



During the first five months there are several breaks in the record, especially at night. These have 

 been filled in, the interpolated entries being enclosed by brackets. The Symbol = indicates that the 

 Summit was enveloped in Fog or Mist. A value of 10 has been assigned to all cases of mist or fog in 

 calculating the means. 



