Table 3. Cloud type 



Code 



Table k. Cloud amount 



Code 



No clouds 



1 Less than 1/10 or l/lO 



2 2/10 and 3/ 10 



3 Vio 

 k 5/10 



5 6/10 



6 7/10 and 8/10 



7 9/10 and 9/ 10 plus 



8 10/10 



9 Sky obscured 



20 



