OPNAV FORM 31 40-9 (REV. 3-63) 
WBAN ||0 
DEPARTMENT OF THE NAVY 
SURFACE WEATHER OBSERVATIONS 
(Ship Station) 
u.s.s. 
Y i ~j — ^>7 
STATION 
LATITUDE 
LONGITUDE 
DATE 
REL. 
TOTAL 
SKY 
CLOUDS AND OBSCURING 
PHENOMENA 
TOTAL 
SEA 
WATER 
(1/10°) 
SEA WAVES 
SWELL WAVES 
'i IME 
(GMT) 
STATION 
PRESSURE 
DRY 
BULB 
WET 
BULB 
HUMID¬ 
ITY 
LOWEST LAYER 
SECOND LAYER 
SUMMA- 
TION 
TOTAL 
THIRD LAYER 
SUMMA- 
FOURTH LAYER 
OPAQUE 
SKY 
DIRECTION 
PERIOD 
HEIGHT 
DIRECTION 
PERIOD 
HEIGHT 
(INS.) 
(%) 
LUV t K 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
AMT. 
TYPE & 
DIR. 
HEIGHT 
I IUN 
TOTAL 
AMT. 
TYPE & 
DIR. 
HEIGHT 
COVER 
16 
17 
78 
79 
20 
27 
22 
23 
24 
25 
26 
27 
28 
29 
30 
37 
32 
33 
34 
35 
36 
37 
38 
39 
40 
00 
-— 
r 
r 
r* 
O r 
n 4 oc D-J- 
01 
02 
03 
04 
05 
06 
D, 
C' 
07 
f—-- 
08 
09 
10 
11 
12 
‘ f ' 1 
.. 
» r\ /> 
13 
14 
15 
16 
17 
18 
/ o 
t ^ 
A 1 J 
19 
20 
21 
22 
23 
- 
SYNOPTIC OBSERVATIONS 
NAVY-PEARL HARBOR 
