176 H. MOHN. METEOROLOGY. [2nd. arc. exp. fram 



WIND, 



The direction of the wind was observed at the winter quarters, 

 reckoned from the true meridian. The following Tables give the ob- 

 served directions of the wind and the velocity, in metres per second, 

 for each even hour and for the different months. indicates Calm. 



The velocity of the wind was measured with Mohns hand-anemo- 

 meter, friction-coefficient one metre per second. 



