153 



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Monthly and >innual Mean Surface Water Temperatures, F 



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BfUZOS SANTIAGO LIGHT STATION, PORT ISABEL, TEXAS 26 O^.i^'R* 97-10'W. 



Year Jan. Feb. Mar. ■^pr. May June July Aug. Sept. Oct. Nov. Dec . Ann . 



1930 47.2 54.4 54.7 54.9 62.0 65.2 65.8 63.7 65.2 61.3 51.9 43-8 57.5 



1931 45.3 48.0 46.6 50.8 59.0 62.6 67.0 68.1 67.8 63.2 59.1 50.0 57.3 



32 50.4 55.0 47.6 57.4 63.1 66.4 67.4 67.0 65.6 62.8 54.8 42.4 58.3 



33 49.9 59.5 53-6 57.5 64.0 66.7 67.0 66.5 67.5 66.0 59.0 57.4 61.2 



34 48.5 51.6 51.0 58.6 63.5 67.4 68.0 69.1 78.0 78.4 74.8 65.6 64.5 



(5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) 



Mean 48.3 53.7 50.7 55.8 62.3 65.7 67.0 66.9 68.8 66.3 59.9 51.8 59.8 



On southern tip of Padres Island - the Port Isabel-Brovmsville ship channel passes 

 east to west about 5100 feet south of the station. 



Readings at 8 a.m. and 6 p.m. 

 Source - DSBF 



INT -DUP. SEC. »ASH.. DC 16(13 



