TABLE OF SURFACE-TEMPERATURES (C°). 
Jan. 
Feb. 
Mar. 
April 
May 
June 
July 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
Literature 
Plymouth . . 
7 
to 
8 
to 
11 
6 
to 
8 
7 
to 
9 
8 
to 
10 
IO 
to 
13 
12 
to 
16 
13 
to 
17 
14 
to 
18 
16 
to 
14 
14 
to 
13 
to 
12 
to 
9 
Shore waters in summer 
approximate higher 
numbers, the lesser 
being for open sea. 
Naples. . . . 
8-10 
15-19 
20-25 
25 
to 
27 
18-22 
Berthold. 
15 
13 
15-19 
24-26 
18 
17 
Berthold. 
Admiralty Chart. 
Adriatic . . . 
10-15 
12-13 
u-14 
16 
12-17 
25 
23-26 
16-22 
10-17-5 
12-19 
Sea temperatures rather 
than shore water. 
Berthold. 
Admiralty Chart. 
Yarmouth . . 
3-4 
4 
4.8 
7-9 
IO 
*4 
l6.2 
18.6 
15-3 
n 
8-3 
5-1 
Monthly averages. 
Whitley. 
Bell Rock . . 
4.8 
4-7 
4-8 
5-9 
s„ 
io-6 
12.4 
13-3 
12-6 
II-2 
8.4 
6-5 
Surface. 
Fishery Board for 
Scotland, 1895. 
Abertay . . . 
4-7 
4.8 
4.8 
6-4 
8-4 
io-8 
12-8 
13-6 
12.7 
10.7 
7.6 
6.2 ; 
Three fathoms. 
Monthly averages. 
Ditto. 
Heligoland . . 
3-7 
2.7 
3-i 
5-2 
8.5 
12-5 
15.6 
16.8 
i6-i 
i3-i 
9-3 
6-2 
Karsten. 
Kiel .... 
1-8 
i -5 
2 -5 
6-i 
10.7 
.5-8 
18 
18 
15.8 
1 1.9 
7-3 
3-7 
Surface. 
Karsten. 
2 -97 
2-55 
3-08 
5-3 
8-6 
12-8 
15-2 
16.1 
I 5'4 
12.4 
7-9 
4-2 
Five fathoms. 
Orkney . . . 
> 
6 
7 
5-7 
8-9 
9-1 1 
1 1— 1 2 
12-13 
12-14 
II 
« 
9 
Whitley and Ad- 
miralty Chart. 
Shetland . . . 
6 
4-7 
5 
5-7 
8-9 
9-12 
11-13 
n-13 
1 1— 1 2 
8-1 1 
8-9 
6-8 
Whitley and Ad- 
miralty Chart. 
Skagerack . . 
5 
to 
7 
I 
to 
4 
O 
to 
3 
4 
to 
5 
6 
to 
8 
IO 
to 
15 
to 
17 
15 
II 
to 
13 
9 
to 
10 
9 
to 
6 
Open water. 
Pettersson. 
Christiania Fjord. 
2-1 
17.2 
12 
to 
5-7 
Cold winter (Baltic 
water). 
Hjort. 
4-5 
8-11 
Warm winter (North Sea 
water). 
Hardanger Fjord. 
(Bergen) 
3 (cold) 
4 
15 
to 
9 
8 
to 
10 
Hjort and Nor- 
weg. N. At- 
lantic Exped. 
6 (warm) 
Vigten Fjord 
4 
2 
12 
to 
13 
Ditto. 
Lofoten Is. . . 
!-5 
1-3 
to 
12-7 
6 
Ditto and Ad- 
miralty Chart. 
To face p. 96.] 
