OPNAV FORM 31 40-9 (REV. 3-63) 
WBAN MB 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
fc 6 V efiS7/yj yf)6) 3°; 
STATION 
LATITUDE 
LONGITUDE 
DATE ~ 
STATION 
PRESSURE 
REL. 
TOTAL 
SKY 
COVER 
CLOUDS AND OBSCURING 
PHENOMENA 
TOTAL 
SEA 
WATER 
(1/10°) 
SEA WAVES 
SWELL WAVES 
TIME 
(GMT) 
DRY 
BULB 
WET 
BULB 
HUMID¬ 
ITY 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
TION 
TOTAL 
THIRD LAYER 
SUMMA- 
TION 
TOTAL 
FOURTH LAYER 
OPAQUE 
SKY 
DIRECTION 
DIRECTION 
(/as.; 
(%) 
AMT. 
TYPE «. 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE 8. 
DIR. 
HEIGHT 
COVER 
PERIOD 
HEIGHT 
PERIOD 
HEIGHT 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
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SYNOPTIC OBSERVATIONS 
NAVY-PEARL HARBOR 
