Entry 



*DT/*SVD 



WATER COLOR 

 TRANS, (m) 

 WIND 



DIR. 



SPEED OR FORCE 



BAROMETER (mbs) 

 AIR TEMPERATURE °C 



DRY BULB 



WET BULB 

 VIS CODE 



NUMBER OBS, LEVEL 

 SPECIAL 



OBSERVATIONS 



Description of Field 



This indicator specifies that the reported data have been obtained electronically 

 rather than by Nansen-type casts. U (up) and D (down) are cast indicators for 

 electronically obtained serial data and specify that the data were taken while 

 hoisting or lowering respectively. 



Water color according to Forel-Ule Code. 



Water transparency in meters as determined by Secchi disc. 



Direction from which wind is blowing in tens of degrees, according to WMO Code 



0877. 



If preceded by letter S, wind speed in knots; if preceded by letter F, wind force in 



Beaufort code. 



Barometric pressure in millibars; tens, units, and tenths places only. 



Dry bulb air temperature in degrees centigrade, to tenths. 

 Wet bulb air temperature in degrees centigrade, to tenths. 

 Visibility according to WMO Code 4300. 

 The number of observed levels associated with the station. 



Entries in this space vary with individual cruises or stations. Information con- 

 cerning entries in this field can be requested from the NODC. 



2. A complete description of the codes can be found in NODC publication M-2 (Rev. August 1964), 

 "Processing Physical and Chemical Data from Oceanographic Stations." 



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