THE RUSSIAN FUR SEAL ISLANDS. 



15 



Monthhj means of Mefeorologii- Obserralioiis at lierintj Islanil — Continued. 

 NUMBER OF DATS OF MINIMUM THEKMOMETEE BELOW 32o. 



Total: 1883, 194 days: 1884, 194 (lays: 1885, 199 days. 



NXTMBER OF CLEAR DAYS. 

 [ A ** clear" day has no cloads, or less than 0.3 clouds.] 



Xotal number of clear days : 8 in 1883 ; 5 in 1884 ; 9 in 1885 ; annual mean, 7. 



NUMBER OF FAIR DAYS. 

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



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



NUMBER OF CLOUDY DATS. 

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



Total number of cloudy days: 259 in 1883; 278 in 1884; 248 in 1885; annual i 



