BIGELOW: COAST WATER EXPLORATION OF 1913. 155 
OCEANOGRAPHY. 
1. TEMPERATURE, CAPE Cop TO CHESAPEAKE Bay. 
Surface temperature. Surface temperature was taken hourly, day 
and night, during the cruise (Fig. 1, 2). 
Off Cape Cod (Station 10057) the surface temperature, early 
in July, was 62° to 63°; and similar readings prevailed on the 
southerly run until the southwest part of George’s Bank (Station 
10059) was reached where a sudden chilling to 55° and 56° was noted; 
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Fre.f1.— Surface temperature for the waters south of Cape Cod in July, and 
for the Gulf of Maine in August, constructed from the hourly readings. 
Temperatures below 50°, dotted: 65° to 75°, single hatched; over 75°, cross 
hatched; dotted curves, July 30—Aug. 1, 75°, 70°. 
