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STATION 30 

 (regular forenoon) 



May 5, 1958; 1743 GOT; 10°14'N, 103°53.5'W; 1600 fm; wind, 070° 

 weather, cloudy; sea, moderate; wire angle, 25°; time zone 7. 



force 2; temp. , 87.0°Fdry, 80. 8°F wet; 



Submarine Daylight: 



Phytoplankton: depth (m) of chlorophyll a (mg/m ), 1, missing; 20, missing; 40, 0. 13; 60, 0. 19; 100, 0. 20; 140, 0. 053. 



Zooplankton: N-C N, o to 308 m, 1903-1936 GCT, 37 ml T, 37 ml S; H at m, 1907-1939 OCT, 4 ml T, 4 ml S. 



Phytoplankton haul taken. 



STATION 31 

 (regular night) 



May 6, 1958; 0700-0937 GCT; 10°11'N, 102°12'W; 1810 fm; wind, 050°, force 3; temp. , 85. 5 F dry, 80. 0°Fwet; 

 weather, 02; clouds, missing; sea, 3; swell, 070°, missing; time zone 7. 



a) Duplicate values: m, 0.34; 65 m, 1.49; 89 m, 2. 16; 170 m, 2.48; 427 m, 3. 14; 709 m, 3.34tigat/L. 



