78 



Report S.A.A. Advancement of Science. 



The amounts for the months of June. July and August of 1902 

 come to 55 grammes, and for December, 105 grammes. In January 

 of the same year we had a maximum percentage of moisture on two 

 days only, at 6 a.m. and noon, and on both of these days we had 

 heavy rains. Speaking generally, the records taken at 6 a.m. show 

 that the atmosphere contains about 75% of its possible moisture, 

 while at noon it is only about 50%. 



Some interesting facts are brought out by examination of the 

 following summary of the records of wind direction, but in explana- 

 tion it ought to be stated that the records for 1897 only embrace 

 the last three months of the year. Further, that as two readings 

 were taken daily, the total readings for the year or month are Just 

 exactlv double the number of clays in the year or month. 



East. 



As will be seen, the prevailing winds are all from the Xorlh or 



