OPNAV FORM 31*0-9 (REV. 3-63) 
WBAN 11B 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Stotion) 
u.s.s. 
\ 
STATION 
LATITUDE 
LONGITUDE 
DATE 
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REL. 
HUMID¬ 
ITY 
TOTAL 
SKY 
COVER 
CLOUDS AND OBSCURING 
PHENOMENA 
TOTAL 
SEA 
WATER 
(1/10°) 
SEA WAVES 
SWELL WAVES 
•| IME 
:gut> 
STATION 
PRESSURE 
DRY 
BULB 
WET 
BULB 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
TION 
TOTAL 
THIRD LAYER 
SUMMA- 
TION 
TOTAL 
FOURTH LAYER 
OPAQUE 
SKY 
DIRECTION 
PERIOD 
HEIGHT 
DIRECTION 
PERIOD 
HEIGHT 
(IHS.; 
(%) 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE 8. 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
COVER 
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 
00 
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77-0 
73 
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20 
21 
22 
23 
SYNOPTIC OBSERVATIONS 
YQLL.L, 
* 
LgL<)LoGG 
Nddff 
WwwW 
pp 
(9 or 
107 
PPPTT 
DRY BULB 
(Deg. & 
lOths) 
WET 
BULB 
(Def. <6 
lOths) 
ICE 
NhC L h 
C M Ch 
D,V,app 
8N s Ch,h, 
9S p SpSpSp 
SEA TEMP. 
(Deg. & 
10tAs7 
AIR-SEA 
TEMP. DIFF. 
(Deg. & 
lOthe) 
fTT.T.TdTd 
WAVES 
WAVES 
ON 
OFF 
STA. 
D,V, app 
DEW 
POINT 
(Deg. * 
lOthe) 
SEA 
SWELL 
SEA 
SWELL 
1 d w d w P w H w 
d w d w Pw Pw H W H W 
^w^W I PwPw H w Hw 
91 
92 
93 
94 
95 
96 
97 
98 
99 
700 
Ml 
702 |j| 
103 
i04 
105 
106 
t07 : 
m 
109 l 110 1 111 
-1-1- 
112 \ 113 114 
115 
116 
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WINDS ARE OBTAINED AS FOLLOWS: 
jj3 MEASURED 
Q ESTIMATED 
Check ice on 
Web Bulb ^ 
TEMP, in shaded cols, are as checked below: 
WEATHER AND OBSTRUCTIONS TO VISION 
01/1O°C 
□ I/10°F 
□ °C 
C°p 
GG 
CjKDjre 
BERGS 
718 
779 
720 
727 
00 
03 
06 
09 
12 
15 
18 
21 
REMARKS, NOTES AND MISCELLANEOUS PHENOMENA 
Col. 122 
SUNRISE 
SUNSET 
SUMMARY OF DAY (MIDNIGHT TO MIDNIGHT) 
MAXIMUM WIND 
LOWEST PRESSURE 
GALES (FORCE 8 OR HIGHER - 6 IN TROPICAL SEAS) 
TIMEr 
(GUT) 
DIRECTION 
.& SPEED 
LAT. 
LONG. 
TIME 
(GUT) 
MILLIBARS 
WIND 
DIRECTION 
& SPEED 
LAT. 
LONG. 
BEGAN 
ENDED 
TIME 
(GUT) 
DIRECTION & 
SPEED 
LAT. 
LONG. 
TIME 
(GUT) 
DIRECTION & 
SPEED 
LAT. 
LONG. 
130 
731 
732 
733 
134 
735 
136 
737 
738 
739 
740 
747 
742 
143 
744 
745 
746 
TYPE 
BEGAN 
ENDED 
TIME 
LAT. 
LONG. 
TIME 
LAT. 
LONG. 
723 
724 
725 
726 
727 
728 
729 
NAVY-PEARL HARBOR 
