374 
,Part III. — Ninth Annual Report 
TABLE II. — Tj:mperature of Water — Abertay Light Vessel. 
Monthly Means. 
Observations, 9 a.m. 
Observations, 3 p.m. 
Month. 
Air, 
Surf. 
1 fm. 
3fms. 
5fms. 
Bot. 
Air. 
Surf. 
1 fm. 
3fms. 
5 fms. 
Bot. 
June 
14'9 
11 4 
110 
10-9 
10-5 
16-7 
11-6 
11-3 
10-9 
10-8 
10-7 
July 
15*1 
12-6 
12-5 
12-4 
12-3 
12'3 
17-2 
12-6 
12-4 
12-4 
12-3 
12-3 
August 
14 '8 
13-7 
13-6 
13-5 
13-4 
13 '4 
17-4 
13-8 
13-6 
13-6 
13-5 
13-5 
September 
o 
12-8 
12-8 
12-8 
12-8 
14-5 
13-0 
12-9 
12-9 
12-9 
12-9 
October 
o o 
10-3 
10-3 
10-3 
10-4 
10-8 
10-7 
10-6 
10-6 
10-6 
10-7 
November 
7 4 
9-2 
9-2 
9-1 
9-1 
9"1 
8-5 
9*3 
9 2 
9-3 
9-3 
9-4 
December 
4-5 
6 5 
6*6 
6-7 
6*9 
7-0 
5-7 
6 '9 
6-8 
7-0 
71 
7-1 
1890. 
January 
O 0 
5-9 
5-9 
6-0 
6-2 
O O 
6-8 
6-0 
61 
6-2 
6-3 
6-4 
February 
3-5 
5-2 
6-3 
5-3 
5-4 
6-4 
5-7 
5-3 
5-4 
5-4 
5-5 
5-5 
March 
57 
5-4 
6-3 
5-3 
5-3 
5*3 
7-7 
5-7 
5-5 
5-5 
5-5 
5-5 
April 
7-5 
6-6 
6-5 
6-5 
6-5 
6-4 
9-8 
6-7 
6-6 
6-5 
6-5 
6-4 
May 
11-3 
9 1 
9-0 
8-9 
8-8 
8-8 
12-3 
9-0 
8-8 
8-7 
8-6 
8-6 
June 
14-3 
10-8 
10-7 
10-5 
10-4 
10-4 
15-7 
10-7 
10-6 
10-3 
103 
10-1 
July 
16-5 
12-1 
12-0 
11-8 
11-7 
11-6 
16-6 
120 
11-9 
11-8 
11-7 
11-7 
August 
13 3 
12-8 
12-8 
12-8 
12-8 
12-7 
. 17 1 
12-9 
12-8 
12-8 
12-8 
12-8 
September 
13-9 
13 1 
13 1 
13 0 
12-9 
12-9 
17-2 
13 1 
13 1 
13-0 
13-0 
13-0 
October 
10-3 
11 1 
11 1 
11-1 
11 1 
11 1 
12 1 
11-4 
11-4 
11-4 
11-4 
11-4 
November 
6 1 
8-1 
8-3 
8-5 
8-6 
8-6 
7-6 
8-8 
9-0 
91 
9-2 
9-2 
December 
3-7 
6-4 
6-6 
6-6 
6-8 
6-8 
4-3 
6-6 
6-8 
6-9 
7-0 
7-0 
1891. 
January 
2-8 
4-4 
4-5 
4-5 
4-6 
4-6 
4-2 
4-7 
4-7 
4-7 
4-8 
4-8 
February 
4-9 
4-8 
6 0 
5-0 
6-0 
5-1 
8-2 
5-3 
5-1 
5-1 
5-2 
6-2 
March 
3-4 
4-4 
4-3 
4-3 
4-3 
4-3 
6-5 
6-0 
4-9 
4-8 
4-8 
4-8 
