PART 3. NET INCOMING RADIATION 1961-71 MEAN MONTHLY VALUES (NORMALS). 



NET INCOMING 



RADIATION tQ;) 



col /ctn*/day 



JANUARY 

 X^ 1\ ,. 1961- 1971 MEAN 



I80»W 175 W 170W 165 W 160 W lS5 W I50 W 145 W 140 W 135 W 130 W i25 W 120 W itS 



85 



