WHOLE VOL. 



SOUTH AMERICA 



471 



LAMBAYEQUE, PERU 



Lat. 6°42' S. Long. 79°54' W. H = 16 m. 

 PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° 

 GRAV. AT 45° LAT. 

 Means of 12 daily observations 

 700 mm. + 



F.) AND TO 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Mean 



58.5 57.3 67.7 

 58.4 57.8 67.3 

 58.7 58.4 68.6 



59.0 58.7 68.4 

 60.4 59.5 69.6 



61.1 61.2 61.8 



58.6 .'JS.O 68.9 

 59.0 58.4 68.9 



57.7 57.7 68.6 



58.2 57.4 58.0 



Mean 67.9 68.3 67.8 67.8 58.7 59.4 59.5 59.5 59.5 59.4 68.9 58.4 68.7 



TEMPERATURE IN DEGREES C. 

 Means of 12 daily observations 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Mean 



25.8 21.6 21.2 

 26.7 24.5 22.2 

 23.3 21.2 19.8 

 24.1 22.5 21.7 

 25.5 22.7 21.3 



26.3 23.9 20.8 



23.9 20.1 19.4 

 21.1 18.5 17.6 

 25.3 23.3 22. S 

 24.3 22.2 19.7 



20.3 19.8 19.9 



19.8 20.5 20.7 



19.5 19.5 19.5 



20.8 20.1 20.4 



20.3 19.4 19.9 



20.4 20.4 21.2 

 18.4 17.7 17.1 



16.9 16.9 17.1 

 20.8 20.6 20.8 

 18.7 17.9 18.1 



Mean 24.7 25.9 26.2 24.6 22.0 20.6 19.6 19.3 19.6 19.8 20.7 22.6 22.1 



TOTAL PRECIPITATION IN MILLIMETERS 



Sum of 12 monthly means. 



16 



