176 



ISLES OF SUMMER. 



ing the rest of the year of less than a day monthly; northwesters 

 from November to March, about two days in a month. Their 

 relative frequency throughout the year is shown in the following 

 statement of the percentage proportion of days in a year, during 

 which they prevailed at 9 a. m. 



North, 7.2percent. 



North-east, 26.2 " 



East, 34.4 " 



South-east, 18.6 " 



South, 11.0 per cent. 



South-west, 5.0 " 



West, 2.3 " 



North-west, 5.3 " 



The following tables are copied from official reports: 



METEOROLOGICAL TABLE FOR 1878. 



