WHOLE VOL. 



SOUTH AMERICA 



435 



TRELEW (PUERTO MADRYN),* ARGENTINA 



Lat. 43°15' S. Long. 65°22' W. Hb=: 13.24 m. 



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



GRAV. AT 45° LAT. 



Means of 24 hours, 60th meridian W. 



700 mm. + 



Mean 55.6 66.8 66.9 68.1 68.0 67.5 58.4 60.6 61.0 59.5 57.0 55.9 



67.9 



TEMPERATURE IN DEGREES C. 

 Means of 24 hours 



ht = 1.50 m. 



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



1931 

 1932 

 1933 

 1934 

 1935 



1936 

 1937 

 1938 

 1939 

 1940 



20.5 

 21.1 

 18.9 

 22.3 

 21.0 



20.1 

 20.4 

 18.4 

 20.5 

 20.6 



21.4 

 20.6 

 19.6 

 18.0 

 19.6 



20.1 

 20.2 

 20.3 

 19.8 

 20.7 



17.8 13.6 8.2 



18.2 15.6 10.0 



16.6 15.1 11.2 



17.0 13.1 " 9.7 



20.0 13.7 11.8 



17.6 

 16.9 

 16.6 

 17.1 

 16.6 



14.0 

 14.8 

 12.7 

 12.1 

 13.8 



Mean 20.4 20.0 17.4 13.8 



8.1 

 8.6 

 11.0 

 8.0 

 9.0 



9.6 



7.2 

 7.0 

 7.2 

 5.4 



7.7 



6.5 

 7.5 

 7.1 

 7.3 



7.8 



7.1 



6.5 

 8.6 

 6.6 

 7.1 



5.8 



7.3 

 5.7 

 7.2 

 7.0 

 7.8 



7.0 



8.2 



7.2 



10.0 



9.4 



8.7 



7.2 

 6.9 

 7.8 

 8.8 

 6.9 



8.2 



10.0 14.8 14.6 



11.1 13.5 17.4 

 11.3 13.3 16.2 



9.8 13.3 16.0 



9.0 11.4 17.9 



11.1 

 11.1 

 10.4 

 10.2 

 11.6 



13.0 

 13.2 

 15.0 

 14.2 

 12.8 



18.3 

 16.6 

 16.4 

 15.4 

 17.3 



18.3 

 19.8 

 17.3 

 18.5 

 19.0 



19.3 

 19.2 

 19.6 

 17.5 

 18.2 



10.6 13.4 16.6 18.7 



13.4 

 14.2 

 13.6 

 13.3 

 13.8 



13.6 

 13.4 

 13.5 

 13.2 

 13.6 



13.6 



TOTAL PRECIPITATION IN MILLIMETERS. hr = 1.50 m. 



Mean 4.2 16.8 



9.6 



9.4 21.7 



9.6 12.6 16.7 



See Notes, p. 53. 



6.5 19.6 



9.3 143.6 



