16 



BULLETIN OF THE UNITED STATES FISH COMMISSION. 



Monthly means of Mcteorologic Obaervaliona at Beiinfi Island — Continued. 

 NUMBER OF FOGGY DAT.S. 



CLOUDINESS, EXPKESSED IN PERCENTAGES. 



[Tho jiercontiigo of cloudiness was obtained from the oye eatimatPs of tbo observer, recorded on a acalo of to 

 10 at eacb observation. Xlio mean of the thruiulaily observations was used as the mean for the day ; 100 per 

 coDt represents aky completely overcast.] 



Annual me.ins: 82 in 1883, 81 in 1884, 80 in 1885. 

 PERCENTAGE OF RELATIVE HUMIDITY. 



Annual means: 87.7 for 1884, 90 for 1885. 

 RAINFALL AND MELTED SNOW— AMOUNT OF rEECIPITATION. 



Total: 21..'>7 inches in 1883; 20.11 incbca in 1884; 21.45 inches in 1885. 

 NUMBER OF DAYS ON WHICH 0.1 INCH OR MORE RAIN OR SNOW FELL. 



Total: 200 days in 1883; 160 days in 1884; 145 days in 1885. 



