117 



Monthly and /innual Mean Surface Water Temperatures, F 

 JACKSONVILLE, FLORIDA 30 19'N. 81°38'iV. 



1886 50.7 54.1 60.1 69.4 78.3 84.9 83.7 85.0 82.2 74.7 65.6 55.2 70.3 

 87 52.0 66.3 63.4 ------ ___- 



(12) (12) (11) (9) (11) (9) (10) (12) (12) (11) (11) (9) 



Mean 56.5 60.9 64.7 70.8 78.0 83.4 85.9 85.0 81.3 75.5 66.6 58.9 72.3 



Atlantic Dock, Pine St., Aug. 1873-Feb. 1877; East Side, Pine St., Mar. 1877-Dec. 1877; 

 Foot of Pine St., Jan. 1878-Aug. 1878; Roots "/harf, Sept. 1878- July 1880; nstors ■■.'harf, 

 Aug. 1880-Uar. 1887. 



1873-Oct. 1879 inol., readings at 3 p.m. 

 Nov. 1879-June 1881 incl., readings at 1 p.m. 

 July 1881 etc., readings at 1:40 p.m. 



Source - U3CFF 



