OPNAV FORM 31*0-9 (REV. 3-63) 
WBAN 11B 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
u.s.s. 
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station 
LATITUDE 
LONGITUDE 
DATE 
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A- 4 
REL. 
HUMID¬ 
ITY 
CLOUDS 
AND OBSCURING 
PHENOMENA 
TOTAL 
SF A 
SEA WAVES 
SWELL WAVES 
i IME 1 
(GMT) \ 
STATION 
PRESSURE 
DRY 
BULB 
WET 
BULB 
TOTAL 
SKY 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
THIRD LAYER 
SUMMA- 
TIHkl 
FOURTH LAYER 
OPAQUE 
SKY 
OLtt 
WATER 
( 1 / 10 °) 
DIRECTION 
PERIOD 
HEIGHT 
DIRECTION 
PERIOD 
HEIGHT 
(INS.) 
(%) 
COVER 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
1 ION 
TOTAL 
AMT. 
TYPE & 
DIR. 
HEIGHT 
1 IU 1 N 
TOTAL 
AMT. 
TYPE & 
DIR. 
HEIGHT 
COVER 
16 
17 
78 
79 
20 
21 
22 
23 
. 24 
25 
26 
27 
28 
29 
30 
37 
32 
33 
34 
35 
36 
37 
38 
39 
40 
00 
. ‘ * 
<* £ 4 p ^ 
1 C’ « 1 
6 • 
7 
7 
W 4/ 
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03 
04 
05 
06 
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07 
08 
09 
10 
11 
■ — ■■ - ■ - ■ 
— 
12 
i /ii j k 1 
T r? / 
/ % < 
7/. 5 
70 
/ 0 
/V 
■ T 
U 
V 
V 
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0 ■- ? 
^ 
M' V J( 
13 
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14 
15 
lt> 
17 
18 
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75 3 
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0 O 
s 
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Uar fc^fc 
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■**% 
SC 
Xx 
X 
4,.: 
/'k 
u / O J 
i& 
C7 
t ' / 
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// v* O C*' / 
19 
20 
21 
22 
23 
. 
SYNOPTIC OBSERVATIONS 
YQLflLgLg 
—*- 
'9? 
w 
HLl 
* 
ft 
Lo LqLqGG 
92 
_ t 
i i 
00 
(ft:* 4 
03 
06 
09 
7 12 
15 
' 18 
21 
Nddff 
93 
tfv - ■ 
'i ( 
* / i •O 
VVvvwW 
pp 
('9 or 
10 ) 
94 
‘ / 
A 
> *' 
J ✓ < 
-<■ 
>W -Uy- 
95 
Sli 
WINDS ARE OBTAINED AS FOLLOWS: 
PPPTT 
DRYBULB 
(Deg. & 
lOths) 
96 
*•' ‘ £ 
« * V 
{ 
97 
^ 1 ? 
•if' • £ 
in f- 
C .H? Ck'? 
cil ■ -> 
WET 
BULB 
(Deg. & 
lOths) 
98 
4 v 
v- ■ *• j 
fC - 4 ' - { 
ICE 
99 
£ 
PO- • 
Check ice on 
- r ■ , ■ -- 
* 
[^MEASURED 
□ ESTIMATED 
Web Bulb 
O 
O 
n 
Li- 
0 
0 
\ 
□ 
u 
0 
□ 
□ °F 
N h C L h 
c M c H 
700 
D.V.app 
• / ■*' 4 ** 
^ ^ I is, ^ 
SNsCh.h, 
9SpSpSpSp 
. od .o 
iff* 
yf::: 
TEMP, in shaded cols, are as checked below: 
SEA TEMP. 
(Deg. <£ 
lOths) 
AIR-SEA 
TEMP. DIFF. 
(Deg. & 
lOths) 
i 04 
■■K: 
0T,T,T d T d 
705 
i 
f * 
»• * • 
r i. 
- 1 
« , 
WAVES 
SEA 
ld w d w P w H v 
m 
\ J 
■* u f •" 
f (f « 
i -./r 
/ r 5 V- 
» ^ &-5 - 
/•■Vj 
SWELL 
1 d w d w P w H w 
70a 
WAVES 
SEA 
RdfRw 
H W H V 
dw Qi 
709 | 770 1 777 
l - T- 
t" 4 -—i—f 
" . ': I * il I ' 
J 
......4;. . i.. 
X 
WyX & 
4- 
14 i xf l 
1 • I 
SWELL 
P P 
1 w 1 w 
112 i 773 
H w Hv 
774 
:!!::■=•:*: 
i-i 
I 
T I 
I .1 
ON 
OFF 
STA. 
775 
D,V, app 
116 
WM& 
*r: A:.«:-: 4' 
DEW 
POINT 
(Deg. & 
lOths) 
117 
y f. > 
:::«: 
ft. w: 
WEATHER AND OBSTRUCTIONS TO VISION 
GG 
C 2 KDjre 
BERGS 
773 
119 
720 
727 
00 
03 
06 
09 
12 
15 
18 
21 
REMARKS, NOTES AND MISCELLANEOUS PHENOMENA 
Col. 722 
SUNRISE 
SUNSET 
,5 - L 
~ r r 
SUMMARY OF DAY (MIDNIGHT TO MIDNIGHT) 
MAXIMUM 
WIND 
LOWEST PRESSUR 
GALES (FORCE 8 
OR HIGHER - 6 
IN TROPICAL SEAS) 
DIRECTION 
& SPEED 
WIND 
DIRECTION 
& SPEED 
BEGAN 
ENDED 
TIME 
(GMT) 
LAT. 
LONG. 
TIME 
(GMT) 
MILLIBARS 
LAT. 
LONG. 
TIME 
(GMT) 
DIRECTION & 
SPEED 
LAT. 
LONG. 
TIME 
(GMT) 
DIRECTION & 
SPEED 
LAT. 
LONG. 
130 
737 
732 
133 
734 
735 
736 
737 
738 
139 
740 
747 
742 
143 
744 
745 
146 
TYPE 
BEGAN 
ENDED 
TIME 
LAT. 
LONG. 
TIME 
LAT. 
LONG. 
723 
724 
125 
726 
727 
728 
729 
• 
NAVY-PEARL HARBOR 
