T06 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



All values have been reduced to a height of 6.50 m. by apply- 

 ing the following correction : 



1903 to 1912 May —0.04 mm. 



Instrmnent: A Tonnelot barometer was in use. The following 

 are the index error corrections applied : 



1903 to 1907 —0.60 mm. 



1907 to 1922 —0.24 mm. 



Hours: The values are the means of observations at 2^, 6'', io'\ 



14^, 18^, 22^. 

 Notes: All values have been corrected to normal gravity (Lat. 

 45°) by applying a correction of —1.84 mm. 

 Temperature. 



Sile and Instruments: H. J. Green thermometers were in use 

 throughout the period, exposed in an American 

 type shelter, with the thermometers 2.50 m. above 

 the ground. On May 28, 1912 the shelter was 

 moved NE. about 500 m. distance. 

 Hours: The values are the means of observations at 2'', 6'\ io'\ 

 14^, i8'\ 22''. 

 Precipitation. 



Site and Instrument : A U. S. Standard rain gage was in use 

 throughout the period. The height of the rim of 

 the rain gage above the ground was : 



1903 to 1912 May 27 0.90 m. 



191 2 May 28 to 1922 i.io m. 



LEGASPI 

 Authority. 



Weather Bureau, Department of Agriculture and Natural Re- 

 sources, Manila, Philippine Islands. 

 Pressure. 



Site: The height of the barometer aliove Mean Sea Level was: 



1903 to 1907 November 4.3 m. 



1907 December to 1908 April 20 4.0 m. 



T908 April 21 to 19 II March 10 4.2 m. 



191 1 March 1 1 to 1922 5.5 m. 



All values have been corrected to a height of 5.5 m. by apply- 

 ing the following corrections : 

 1903 to 1907 November — o.io mm. 



1907 December to 1908 April — o.io mm. 



1908 May to 191 1 March 10 — o. 11 mm. 



