SI-MNH-955C 
3-4-64 
SMITHSONIAN INSTITUTION 
DIVISION OFnBIRDS 
AT SEA SURVEY CHART C 
DATE 
IME DAT _LONG _ PRES WEA VIS SLP DRY B DEW PT HUM jo TL SKY OPA SKY WAVES SEA TEMP WIND S WIND D SHIP COURSE/SPD. 
ALL TIMES LOCAL (WHISKEY); WILD DIR 
WAVES IN WHOLE DEGREES; WAVE PERIOD 
. IN WHOLE DEGREE 
IN SECONDS; WAVE 
o 
WIND SPEED IN KNOTS; 
HEIGHT IN WHOLE FEET; 
TEMPERATURES IN FAHRENHEIT; VISIBILITY 
SEA LEVEL PRESSURE IN MILLIBARS 
