42() 



REPORT OK OFFICE OF EXPERIMENT STATIONS. 



METEOROLOGICAL OBSERVATIONS. 



As stat('(l ill the l;i>t rrport. I lie iiH'lcorolouical iiisliuiiicnls of tho 

 Ignited States ^^'('iltll(•^ Hurcaii. which wcic in the caroof the volimtaiy 

 ()l)S('r\('i" at ^Iaya*ifiioz, were transfci red to the station. Tlie record 

 is ])eini^ continued and weekly and monthly reports sent to the central 

 office in San Juan. A set of instruments has also })een jdaced at the 

 '* La Carmelita," where the coffee experiments are beinj^ conducted, 

 also an extra rain f^aujj^e, which is placed at the extr<Mne upper end of 

 the estiite, at a considerably oreater elevation than the tirst, for the 

 purpose of ascertain! n*;- the effect of elevation on rainfall. 



The followint^ table gives the monthly rainfall at each of four places 

 since the establishment of the United States Weather Uureau in the 

 West Indices. These include the latest available data, and, being at 

 the east and west ends of the island, as well as at the north and south 

 sides, they show the extreme variation in rainfall to which the island 

 is subject. 



Rainfall (hiches) in Pm-lo Jiiro, as recorded hi/ the United States We(dher Bureau, January , 



1899, to Aiifftixt, 1903. 



