500 



H. MOHN. METEOROLOGY. 



[NORW. POL. EXP. 



The following Table gives for each month of the drift of the Fram, the 

 weighted and smoothed means for 3 or 2 years (August and September) of the 

 bi-hourly deviations from the monthly mean in hundredths of a millimetre. From 

 this Table are computed the means for the four meteorological seasons, for the 

 dark and sunny seasons, the equinoctial months, and for the whole year. 



O'Ol mm. 



