l-orm Approved; Budget Bureau No. 4 1 -R 1258 
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CORRECTION 
SHIP’S NAME 
MONTH AND YEAR 
BAROMETER NUMBER 
ESSA FORM 72-1 
( 1 - 68 ) 
U.S. DEPARTMENT OF COMMERCE 
ENVIRONMENTAL SCIENCE SERVICES ADMINISTRAT1 
WEATHER BUREAU 
SHIP’S 
WEATHER OBSERVATIONS 
noN 
GENERAL INSTRUCTIONS 
(See observing handbook for more details) 
1. Fill in all blanks on upper left-hand side of this form. 
2. Check appropriate box in column 32. 
3. Before entering, convert: 
a. all temperatures to °C. 
b. all pressures to millibars. 
c. if conversion tables not available, enter values as observed, 
followed by letters or abbreviations for the first 
entry on each form, ("77.5°F", "29 905 in.", etc.) 
4. Begin a new sheet each month, voyage, ocean and quadrant. 
5. Transmit data in 5-figure groups from unshaded columns and 
remarks. See observing handbook, section 1-04 for handling 
missing data. 
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ESSA FORM 72-1 
REPLACES WB FORM 615-5 WHICH IS OBSOLETE. EXISTING STOCKS SHOULD BE DESTROYED AFTER JANUARY 1. 'OR* A 
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