91 



V 



g s 



CD 'jS 

 hi (a 



£i 



•s.s 

 I 



in reality 

 d) millim. 



(— * i-H t— • <M «-H r- • • O 



60666666 



the air 

 being dry. 

 c) millim. 



ifjNNNQOCiOOl 

 OOOOOOHO 



Quantity of vapor contained, 

 in the air. 



I in reality. 

 b) grammes. 





to saturation. 

 a) grammes. 



^9OC09cdn<x) 





—J 



Hygrom. 



o 1^ Q0 »0 



QOXCDGOODCDC5Q 



Therm. | 



^ 6 6 h ^ »b O 



Latitude 

 of the place 

 in the 

 open sea. 



'Jo qo co as ' j© 



F— 4 CO i-h iO rH CO 

 CO CO <M pH i-h rH pH 



Periods of 

 the observation. 



as 



g ...... . 



*>• 



p . . jfl . . . 



rH — « CO HHH 



2 c 



