FOR OFFICIAL USF ONLY 
NAVPERS - 717 (REV. 10-56) 
DECK LOG-WEATHER OBSERVATION SHEET 
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ZONE DESCRIPTION 
AT/PASSAGE FROM 
TO 
TABLE I 
ZONE 
TIME 
WIND 
VISI- 
BIL- 
WEATF 
ER 
(Sym¬ 
bols) 
\ BARO¬ 
METER 
(inches) 
TEMPER¬ 
ATURE 
CLOUDS 
SEA 
WATER 
TEMPER 
ATURE 
WAVES 
DIREC¬ 
TION 
(True) 
FORCE 
(Knots) 
ITY 
(Miles) 
Dry 
Bulb 
Wet 
Bulb 
Amount 
(Tenths) 
Height 
Type 
- DIREC¬ 
TION 
(True) 
HEIGHT 
(Feet) 
01 
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TABLE II 
SYNOPTIC OBSERVATIONS 
ZONE TIME 
OF 
SYNOPTIC 
OBSERVATION 
Day 
of 
week 
(1-7) 
(GMT) 
P 
0SITI0N 0 
F SHIP 
TIME 
GMT 
Total 
Cloud 
Amt 
(Coded) 
WIND 
Visi- 
bili- 
ty 
(90-99) 
WEATHER 
PRES¬ 
SURE 
Air 
Temp 
(°F) 
CLOUDS 
Oc¬ 
tant 
<0-3. 
5-8) 
Latitude 
(Degrees 
and tenths) 
Longitude 
(Degrees 
and tenths) 
Direc¬ 
tion 
(True) 
(00-36) 
Speed 
(True) 
(Knots) 
Present 
(00-99) 
Past 
(0-9) 
Baro¬ 
meter 
Cor¬ 
rected 
(mb) 
Amount of 
C. Clouds 
•- (Coded) 
—J 
CJ ^ 
0 ^ 
0.0 
H- 
Height C, 
Cfeuds L 
(Coded) 
s 
0 ~ 
CD 
K 
X 
0 — 
CD 
O • 
c. 0 
>. v " 
1— 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
Y 
Q 
L a L a L a 
L o L o L o 
GG 
N 
dd 
ff 
W 
ww 
W 
PPP 
TT 
c . 
h 
C NW 
C H 
— ^ 
— 
Course of Ship 
(0-9) 
Speed of Ship 
(0-9) 
3-H 
PREJ 
TENi 
OUR 
5SURE 
)ENCY 
SIGNIFICANT 
CLOUD 
Indicator 
Diff 
Sea 
Air 
°F 
Dew 
Point 
°F 
WAVES 
WAVES 
ICE 
Characteristic 
(0-9) 
. Amount 
Change 
(mb and 
tenths) 
Indicator 
Amount 
(Eighths) 
Type 
Height 
Indicator 
Direc¬ 
tion 
(00-36) 
Period 
Height 
Indicator 
Direc¬ 
tion 
(00-36) 
Period 
HEIGHT 
Kind 
Effect 
Bearing 
Distance 
Orientation 
20 
21 
22 
23 
24 
25 
26 
27 
28 
• 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
D s 
v s 
a 
PP 
8 
N s 
C 
Vs 
0 
Vs 
Vd 
1 
d d 
w w 
P w 
H w 
1 
d d 
w w 
P 
w 
H w 
C 2 
K 
D i 
r 
e 
8 
0 
1 
1 
8 
0 
1 
1 
8 
0 
1 
1 
8 
0 
1 
1 
8 
0 
1 
I 
POSITION 
ZONE 
TIME 
0800 
L. 
RV 
K 
RY 
1200 
L- 
RY 
t 
K 
BY 
2000 
L 
RY 
A. 
RY 
LEGEND: 
1 - CELESTIAL 
2 - ELECTRONIC 
3 — VISUAL 
4 - D. R. 
CURRENT DATA 
FROM 
TO 
iZT) 
(Date) 
( ZT) 
(Date) 
SET 
DRIFT 
POSITION 
BETWEEN FIXES 
MID. L. 
MID. X 
CURRENT DATA 
FROM. 
TO 
(ZT) 
( Date) 
(ZT) 
(Date) 
SFT 
DRIFT 
POSITION 
BETWEEN FIXES 
MID. L. 
MID. X 
CURRENT DATA 
TO 
(ZT) 
(Date) 
(ZT) 
(Date) 
SFT 
DRIFT 
POSITION 
BETWEEN FIXES 
MID. L 
MID. X 
MILES STEAMED 
0000-2400 
FUEL CONSUMED 
0000-2400 
EXAMINED 
U. S. N. NAVIGATOR 
V 
"C? U. £ GOVERNMENT PRINTING OFFICE >956 -- 406125 
