96 



WIND. 



Table 55. 

 Mean Wiiul Velocitij (miles per hour). 



It is very probable that tlie exposure of tlie anemumeter at Hut Point was not so free 

 as at Cape Evans, but that would not account for the whole difference between the two 

 periods 1902-03 and 1911-12. We have the opinion of the men who were in the Antarctic 

 during both periods and they were unanimous that the wind conditions in the second period 

 were much worse than in the first. Then again there is the large variation in the two years 

 in the same place. June, 1912, had nearly 2}^ times as much wind as June, 1911, and May, 

 1912, had over twice as much as May, 1911, it is therefore not improbable that the whole year 

 1912 had over twice as much wind as 1903. 



The abnormal amount of wind in the six months April to September, 1912, is remarkable. 

 The mean velocity during these months was 25' C miles per hour as compariid with the corre- 

 sponding velocities of 138, 110 and 15' 1 in the other years respectively. 



The greatest amount of wind was recorded in June, 1911, during which month , the mean 

 velocity was over 40 miles an hour during 41' 1 per cent, of the hours in the month and 

 over 60 miles an hour during G per cent. The mean velocity experienced during this month, 

 31'8 miles per hour, is the highest yet recorded in the Antarctic, the neaiest being 30G miles 



1904. 



t From Beaufort estiinatea. 



