Observations of the Warmth of the Sea-water, &c. by Fahrenheit's Thermometer, in crossing the Gulph Stream; with other Remarks made on board the Pennsylvania Packet, Capt. Osborne, bound from London to Philadelphia, in April and May, 1775.
Date
Hour
Temp. of Air.
Temp. of Wat.
Wind
Course
Distance
Latitude N.
Longitude W.
Remarks
April 10
62
11
61
12
64
13
65
14
65
° ′
° ′
26
60
70
37 39
60 38
Much gulph weed; saw a whale.
27
60
70
SSE
WbS
37 13
62 29
Colour of water changed.
28
8 A.M.
70
64
SW
WNW
37 48
64 35
No gulph weed.
—
6 P.M.
67
60
34
Sounded, no bottom.
29
8 A.M.
63
71
N
W
44
37 26
66 0
Much light in the water last night.
—
5 P.M.
65
72
NE
57
Water again of the usual deep sea colour, little or no light in it at night.
—
11 dit.
66
66
NWbN
WbS
57
30
8 A.M.
64
70
NE
WbN
69
—
12
62
70
EbS
24
37 20
68 53
Frequent gulph weed, water continues of sea colour, little light.
—
6 P.M.
64
72
ESE
WbN
43
—
10 dit.
65
65
S
25
Much light.
May 1
7 A.M.
68
63
60
Much light all last night.
—
12
65
56
SSW
WNW
44
38 13
72 23
Colour of water changed.
—
4 P.M.
64
56
WbN
21
—
10 dit.
64
57
SW
WNW
31
Much light.
2
8 A.M.
62
53
18
38 43
74 3
Much light. Thunder-gust.
—
12
60
53
WSW
NW
18
—
6 P.M.
64
55
NW
WSW
15
—
10
65
55
NbW
WbN
10
3
7 A.M.
62
54
30
38 30
75 0
