CLOUDINESS AT GREENWICH 1890 "1904 (LESS 190l) 



-8317 



-- 74*01 



4-00 



UNTT3 



g 



I 



JL 



o 



5-O 1O-O 15-O 



SCALE OF CLOUDINESS 



20-0 



91 8 I 7 I 



6 I 5 I 4- I 

 SCALE OP CURVE 



3 I 2 I 1 



Ol 



