150 



Monthly and Annual Mean Surface Water Temperatures, °F 

 INDIaNOLA, TEXAS 28°36'N. \6°30'W. 



Year Jan. Feb. Mar. Apr. May June July auk. Sept. Oct. Nov. Dec. Ann. 



1873 -------- 83.2 73.5 - - - 



Ik - - - - 78.1 84.1 - 84.9 82.6 77.3 68.0 61.2 - 



1875 47.6 57.3 ------- ---- 



1876 



77 



78 1876 - 1880 Data Missing 



79 

 1880 



1881 _ - - 72.3 - - 87.0 86.8 82.7 79.4 63.4 59.8 - 



82 59.7 65.1 - - 77.4 - 85.6 85.0 81.2 78.2 67.1 57.4 (73.2) 



83 - 53.7 65.8 72.5 78.5 85.4 85.6 87.8 81.9 79.6 67.6 60.5 (72.4) 



84 46.3 60.7 65.9 69.2 - - 87.9 - 84.9 77.6 65.2 - (72.2) 



1885 47.7 52.9 62.4 73.6 77.5 84.8 86.8 86.3 83.2 72.8 69.0 58.7 71.3 



1886 47.2 54.9 ------- __-_ 



(5) (6) (3) (4) (4) (3) (5) (5) (7) (7) (6) (5) 



Mean 49.7 57.4 64.7 71.9 77.9 84.8 86.6 86.2 82.8 76.9 66.7 59.5 72.1 



Morgan ;Vharf in Matagorda Bay. Dec. 1881, 500 yards from shore. 



Station destroyed August 1886 



1873-1875, readings at 3:45 p.m. 



1881-1886, readings at 2 p.m., 75th meridian time. 



Source - OSCFF 



