460 



ZONES AND REGIONS [Pt. Ill, Sect. II 



February, 18S4, had a mean daily range of temperature of 17-8 degrees, but was also 

 very dry (mean humidity only 33 %), with 1-3 mean cloudiness and 338 hours of 

 sunshine. A frequent change between e.Ktreme degrees of humidity is characteristic of 

 San Jorge. The rain falls usually in a few heavy showers. The number of rainy hours 

 in Central Uruguay is very small. 



MATANZAS. 



34° 49' S., 58° 37' W. 



(From Meteorol. Zeitschr., 1894, p. 356.) 



