252 



H. MOHN. METEOROLOGY. 



[NOKW. POL. EXP. 



Another peculiarity with regard to the Fram-observations is this. In the 

 high latitudes in which she was drifting, summer is day, and winter is night, 

 whilst only a couple of equinoctial months in spring and autumm have regular 

 days and nights. 



The following Table shows the dates on which the different seasons 

 commenced and closed. 



1 1st to 19th. 



