31 



o 

 Monthly and Annual Mean Surface Water Temperatures, F 



1901 39.2 35.7 35.9 39.5 46.2 55.4 63.4 66.6 64.8 55Jlf - 



Mean 37.1 36.2 38.5 43-4 50.8 60.1 66.3 66.7 62.5 55.7 47.9 41.8 50.6 



Readings at first high T«iter and first low water after 7 a.m. 

 Source - OSCFF 



