OPNAV FORM 3140-9 (REV- 3-63) 
WBAN MB 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
U.S.S. 
STATION 
LATITUDE 
LONGITUDE 
c * 
SYNOPTIC OBSERVATIONS 
r ime 
(GMT) 
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 A 
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 
00 , 
?v, 
7"y b 
7 r, 7, 
13 
/ f 
r. 
/o 
P 
n 
c 
8 
J 
/ kb 
O/i'Ji bfr 
01 
02 
03 
04 
05 
06 
c 
U c 
hr 
v U*. 
1 
T 
h- 
0 
4 
l*tc 
hJ f ci j & 
07 
08 
09 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
YQLqLoL, 
* 
Lgl-oLoGG 
Nddff 
VV wwW 
pp 
('9 or 
10) 
PPPTT 
DRYBULB 
(Deg. & 
lOths) 
WET 
BULB 
(Deg. & 
lOths) 
ICE 
N h C L h 
c M c H 
D.V.app 
8N s Ch,h, 
9S p SpSpSp 
SEA TEMP. 
(Deg, & 
lOths) 
AIR-SEA 
TEMP. DIFF. 
(Deg, & 
lOths ) 
0T t T t TjT^ 
WAVES 
WAVES 
ON 
OFF 
STA. 
D,V, app 
DEW 
POINT 
(Deg. & 
lOths) 
SEA 
SWELL 
SEA 
SWELL 
1 d w d w P w H w 
ld w d w P w H w 
d w d w P W P W H W H W 
d w d w P w Pw H w H w 
91 
92 
93 
94 
95 
96 
97 
98 
99 
00 
TCI 
; 102 
i04 
105 
|| m 
tor 
706 
109 i 770 1 777 
772 1 113 774 
115 
116 
117 
oo 
if.JO 
2% * 
Cl. W 
W ; i? 
> ^ r.' 
% • r. 
Vt ■ ■ 
/:,.i ; 
mj / 
*PpIp 
ff- 
if , 5 
.... 
03 
1 | 
---f-— 
: 1 4 
i j—iii 
i-Pct 
Sbi 06 
3o r /&. 
r 7 So i / 
33..S 
> A - 
-? f .-w v. 
113*3 
O £ 
o5|(7 
1 VJt 
P-f W 
1 \ 
piiHiSii 
H 6 
09 
! | 
. i | 
A 
1* / 
12 
J .: 1 : : 
1 i 
15 
: 
■■■{■■ 4-. 
: I 
1 1 
18 
i ....1 
[ 1 
•( ; ^ 1 ■ - 
21 
W'W'f::-: 
. i 
i i 
WINDS ARE OBTAINED AS FOLLOWS: 
i MEASURED 
□ ESTIMATED 
Check ice on_ 
Web Bulb 
TEMP, in shaded cols, are as checked below: 
WEATHER AND OBSTRUCTIONS TO VISION 
gff/10°C 
□ 1/10°F 
□ °C 
□ °F 
GG 
C 2 K D|re 
BERGS 
778 
779 
720 
121 
00 
03 
06 
09 
12 
15 
18 
21 
REMARKS, NOTES AND MISCELLANEOUS PHENOMENA 
Col. 722 
SUNRISE 
SUNSET 
SUMMARY OF DAY (MIDNIGHT TO MIDNIGHT) 
MAXIMUM WIND 
LOWEST PRESSURE 
GALES (FORCE 8 OR HIGHER - 6 IN TROPICAL SEAS) 
TIME 
(GMT) 
DIRECTION 
& SPEED 
LAT. 
LONG. 
TIME 
(GMT) 
MILLIBARS 
WIND 
DIRECTION 
& SPEED 
LAT. 
LONG. 
BEGAN 
ENDED 
TIME 
(GMT) 
DIRECTION S. 
SPEED 
LAT. 
LONG. 
TIME 
(GMT) 
DIRECTION 4 
SPEED 
LAT. 
LONG. 
130 
737 
732 
133 
134 
135 
136 
137 
738 
139 
740 
747 
742 
143 
144 
145 
746 
TYPE 
BEGAN 
ENDED 
TIME 
LAT. 
LONG. 
TIME 
LAT. 
LONG. 
123 
724 
725 
726 
727 
728 
729 
NAVY-PEARL HARBOR 
