Table 134 



419 



CHART OF THE TOTAL DAILY SOLAR RADIATION AT THE TOP OF THE 



ATMOSPHERE 



(Explanation on p. 417.) 



The solar constant Ja is assumed to be 1.94 cal. cm." J min. -1 



The solid curves represent total daily solar radiation on a horizontal surface at the 

 top of the atmosphere, measured in cal. cm." 2 Shaded areas represent regions of con- 

 tinuous darkness. 



LAT. 



JAN 



FEB. MAR. APRIL MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. 



JAN. 



FEB. MAR APRIL MAY JUNE JULY AUG. SEPT OCT. NOV. DEC 



SMITHSONIAN METEOROLOGICAL TABLES 



