OPNAV FORM 3140-9 (REV. 3-63) 
WBAN 11 B 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
U.S.5. 
G rao v i t,t,c 
C - 4o) 
STATION 
LATITUDE 
LONGITUDE 
DATE 
. r : 
*%1 
1 « I 
STATION 
PRESSURE 
(INS.) 
DRY 
BULB 
WET 
BULB 
REL. 
HUMID¬ 
ITY 
(%) 
TOTAL 
SKY 
COVER 
CLOUDS AND OBSCURING PHENOMENA 
TOTAL 
OPAQUE 
SKY 
COVER 
\ 
SEA 
WATER 
(1/10°) 
SEA WAVES 
DIRECTION 
PERIOD 
HEIGHT 
SWELL WAVES 
DIRECTION 
PERIOD 
HEIGHT 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
TION 
TOTAL 
THIRD LAYER 
SUMMA- 
TION 
TOTAL 
FOURTH LAYER 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
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 
YQL^L, 
% 
LgL()LgGG 
Nddff 
WwwW 
pp 
79 or 
10) 
PPPTT 
DRY BULB 
(Deg. & 
lOths) 
WET 
BULB 
('Dej. & 
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ICE 
N h C L H 
c M c H 
D.V.app 
8N s Ch,h, 
9$pSp s pSp 
SEA TEMP, 
roe*. & 
lOths) 
AIR-SEA 
TEMP. DIFF. 
(Deg, & 
lOths) 
0t.T,T d T d 
WAVES 
WAVES 
ON 
OFF 
STA. 
D,V, app 
DEW 
POINT 
(Deg. & 
1Oth,J 
SEA 
SWELL 
SEA 
SWELL 
ld w d w P w H w 
1 d w d w P w H w 
PwPw 
H W H W 
d w d w 
P w P w 
H W H W 
91 
92 
93 
94 
95 
96 
97 
98 
99 
100 
w? 
702 
i 04 
105 
i<* i; 
w 
JOB 
109 I 110 1 111 
112 
113 
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115 
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117 
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■AHAAilA 
WINDS ARE OBTAINED AS FOLLOWS: 
gT MEASURED 
Q ESTIMATED 
Check ice on 
Web Bulb 
TEMP, in shaded cols, are as checked below: 
WEATHER AND OBSTRUCTIONS TO VISION 
1/10°C 
□ 1/10°F 
□ °C 
□ °F 
GG 
C 2 KDjre 
BERGS 
118 
119 
120 
121 
00 
03 
06 
09 
12 
15 
18 
21 
REMARKS, NOTES AND MISCELLANEOUS PHENOMENA 
Col. 722 
SUNRISE 
SUNSET 
JU / 
SUMMARY OF DAY (MIDNIGHT TO MIDNIGHT) 
MAXIMUM WIND 
LOWEST PRESSURE 
GALES (FORCE 8 OR HIGHER - 6 IN TROPICAL SEAS) 
TIME 
(GUT) 
DIRECTION 
& SPEED 
LAT. 
LONG. 
TIME 
(GUT) 
MILLIBARS 
WIND 
DIRECTION 
& SPEED 
LAT. 
LONG. 
BEGAN 
ENDED 
TIME 
(GUT) 
DIRECTION & 
SPEED 
LAT. 
LONG. 
TIME 
(GUT) 
DIRECTION 4. 
SPEED 
LAT. 
LONG. 
130 
131 
132 
733 
134 
735 
136 
737 
738 
139 
740 
747 
742 
143 
144 
745 
146 
TYPE 
BEGAN 
ENDED 
TIME 
LAT. 
LONG. 
TIME 
LAT. 
LONG. 
723 
724 
725 
726 
727 
128 
729 
NAVY-PEARL HARBOR 
