24 THE ASIATIC FUR-SEAL ISLANDS. 



Monthly means of Meieorologia Observations at Bering Island — Continued. 



NUMBER or FAIR DATS. 



[A "fair" day has from 0.3 to 0.7 clouds.] 



Total number of fair days : 98 in 1883 ; 83 in 1884 ; 110 in 1885 ,■ annual mean, 97. 



NUMBER OF CLOUDY DATS. 



[A "cloudy" day has from 0.8 to 1.0 clouds.] 



Total number of cloudy days; 259 in 1883; 278 in 1884; 246 in 1885; annual mean, 261. 

 NUMBER OF FOGGY DATS. 



CLOUDINESS, EXPRESSED IN PERCENTAGES. 



[The percentage of cloudiness was obtained from the eye estimates of the observer, recorded on a jcale of to 

 10 at each ob.- ervation. The mean of the three daily observations was used as the mean for the day ■ 100 per 

 cent represents sky completely overcast.] ' 



Annual means : 82 in 1883, 81 in 1884, 80 in 1885. 



