Table 11 

 Mean Surface Water Characteristics Measured at the 









Seaward End 



of the 



FRF Pier 











Temperature, 

 1983 80-82 



° C 

 80-83 



Visibility 



, m 



Density, g/cc 



Month 



1983 



80-82 



80-83 



1983 



81-82 



81-83 



Jan 

 Feb 

 Mar 



7.2 

 5.1 

 7.3 



4.6 

 4.1 

 5.9 



5.3 

 4.4 

 6.2 



1.0 

 0.9 

 1.0 



1.4 

 1.5 

 1.3 



1.3 

 1.4 

 1.2 



1.0237 

 1.0239 

 1.0233 



1.0250 

 1.0243 

 1.0237 



1.0245 

 1.0241 

 1.0236 



Apr 

 May 

 Jun 



10.2 

 13.9 

 20.0 



10.6 

 15.6 

 19.5 



10.5 

 15.2 

 19.6 



2.1 

 3.0 

 3.6 



2.1 

 2.3 

 3.5 



2.1 

 2.5 

 3.5 



1.0225 

 1.0235 

 1.0199 



1.0252 

 1.0234 

 1.0223 



1.0243 

 1.0235 

 1.0215 



Jul 



24.0 



21.7 



22.3 



4.2 



3.7 



3.8 



1.0201 



1.0217 



1.0212 



Aug 



21.9 



22.4 



22.3 



2.8 



3.0 



2.9 



1.0217 



1.0216 



1.0216 



Sep 

 Oct 

 Nov 

 Dec 



23.5 

 19.4 

 14.7 

 10.8 



22.4 



18.4 



13.6 



9.3 



22.7 



18.7 



13.9 



9.7 



1.8 



1.0 

 1.1 

 1.0 



2.0 

 1.3 

 0.9 

 0.9 



1.8 



1.2 

 1.0 

 1.0 



1.0210 

 1.0218 

 1.0237 

 1.0233 



1.0219 

 1.0227 

 1.0236 

 1.0245 



1.0216 

 1.0224 

 1.0236 

 1.0241 



Annual 



14.8 



14.0 



14.2 



2.0 



2.0 



2.0 



1.0224 



1.0233 



1.0230 



X 80-82 

 o 83 



JRN FEB NHR APR MAY JUN JUL HUB SD» OCT NOV CEC RNNUHL 



nONTM 



Figure 34. Comparison of mean surface water 

 temperatures 



61 



