«-.. 



jw FTB HRR nra mr jui 



1963 



flUO SEP OCT NOV OGC 



nONTH 



Figure 36. Daily sea-surface water visibility for 1983 



>: 3 



X 80-62 

 83 



Jff) FEB MflR APR mr JW JU. nUG SEP OCT NOV OBC ftNNUfll 



Figure 37. Comparison of mean surface water visibility 



63 



