35 



summer, especially in June — August. It is otherwise with the rain- 

 fall, which is higliest in October-.Ianuary (the average being 179 mm.) 

 and lowest in April-July (about 88 mm). The number of wet days 

 is also greatest in autumn and winter and least in spring and summer. 

 During the year the raini^ll amounts to as mucli as 1593 mm., distri- 

 buted over 279 days — so that only 86 days in the year are free from rain. 



Fig. 19. Sydero Kvalbo. A view of the west side of Norbes EJde. The wind has torn up and carried 

 away large parts of the solid slope. (After a photog'raph Ijy Warming). 



The amount of clouds is surprisingly great. The annual average 

 amount (calculated according to a scale of O — 10, O denoting clear 

 and 10 cloudy) is 7,4, i. e. on an average about V* of the sky 

 is covered with clouds. The amount of clouds is least in early 

 spring, but the average does not fall below 7. There are only 6 

 days annually of cloudless sunshine, while the cloudy days in 

 which the sky is almost overcast, amount to 178 annually. 



Wind. The Færoes may with justice be described as very 

 windy; the winds are frequent and strong (Figs. 19 and 20). The ave- 

 rage percentage for the year is as follows : — 



