108 



H. MOHN. METEOROLOGY. [Snd. arc. exp. fram 



THE DAILY PERIOD. 



The numbers in the last row in the Tables on pp. 63 — 107, giving 

 the monthly means of the temperature for each even hour, have been 

 corrected for the march of the temperature during the month, and re- 

 duced to Noon in the usual manner^. The mean of the reduced 12 

 values has been taken, and the deviation of each of the 12 numbers 

 from this monthly mean calculated. The following Tables contain these 

 deviations, expressed in hundredths of a degree Centigrade. Minus indi- 

 cates below, plus above, the mean. 



TEMPERATURE OF AIR. DAILY PERIOD. 0.01 C. 

 January. 



February. 



March. 



' H. Wild. Die Temperaturverhaltnisse des Russischen Reiches. 

 p. 9. 



Erste Halfte. 



