Tabelle II Zehnjährige Monatsmittel der Oberflächenwasser- 
temperatur bei den Feuerschiffen (1923—1932) 
I 
II 
III 
IV 
V 
VI 
VII 
VIII 
IX 
X 
XI 
XII 
Jahr 
A 
Borkumriff .... 
49 
39 
39 
5.7 
9.3 
12.8 
16.1 
17.2 
16.3 
13.4 
9.9 
6.8 
10.0 
133 
Norderney 
4.0 
3.2 
3.4 
5.4 
8.6 
12.4 
16.0 
17.3 
16.3 
13.2 
9.3 
6.1 
9.6 
14.1 
Weser 
4.0 
3.0 
3.1 
5.4 
8.7 
12.9 
16.0 
17.2 
16.0 
13.1 
9.3 
6.2 
9.6 
14.2 
Minsenersand . . 
3.2 
2.5 
3.3 
5.8 
9.5 
13.3 
16.4 
17 3 
15.8 
12.4 
8.6 
5.0 
9.4 
14.8 
Bremen 
2.7 
23 
2.9 
6.3 
10.5 
14.1 
17.0 
17 1 
15.4 
11.5 
7.3 
3.8 
9.2 
14.8 
Elbe 1 
3.6 
2# 
3.2 
6.0 
9.7 
13.4 
16.6 
173 
15.9 
12.4 
8.8 
5.5 
9.6 
14.5 
Elbe 4 
1.9 
1.7 
2.8 
6.7 
11.4 
14.9 
177 
17.6 
15.3 
10.9 
6.5 
3.1 
9.2 
16.0 
Außeneider .... 
2.6 
2.1 
2.7 
5.9 
10.2 
14.0 
17.1 
17.5 
15.6 
116 
7.9 
4.6 
9.3 
1A4 
Amrumbank . . . 
4.1 
2.9 
3.2 
5.9 
9.7 
13.2 
16.6 
176 
16.0 
13.1 
9.2 
5.9 
9.6 
14.7 
Vyl 
3.9 
27 
2.5 
4.6 
8.6 
12.0 
15.6 
165 
15.2 
12.2 
88 
5.6 
9.0 
14.0 
Horns Rev .... 
4.6 
3.4 
2.9 
4.6 
8.2 
11.6 
15.1 
16.2 
15.4 
12.8 
9.6 
6.4 
9.2 
13.3 
Tabelle III Mittlere Jahrestemperaturen des Oberflächenwassers 
und Abweichungen vom 10jährigen Mittel hei den Feuerschiffen 
für die Jahre 1923—1932 
1923 
1924 
1925 
1926 
1927 
1928 
1929 
1930 
1931 
1932 
Borkumriff .... 
9.4 
9.4 
10.5 
10.5 
10.3 
10.0 
8.8 
10.4 
10.2 
10.7 
—0.6 
—0.6 
+0.5 
+0.5 
+0.3 
0.0 
—1.2 
+0.4 
+0.2 
+0.7 
Norderney 
9.2 
8.7 
10.2 
10.2 
10.0 
9.5 
8.4 
9.8 
9.7 
10.2 
—0.4 
-0.9 
+0.6 
+0.6 
+0.4 
-0.1 
—1.2 
+0.2 
+0.1 
+0.6 
Weser 
— 
9.2 
9.9 
10.1 
9.7 
9.4 
8.4 
9.7 
9.5 
10.3 
— 
-0.4 
+0.3 
+0.5 
+0.1 
-0.2 
-1.2 
+0.1 
-0.1 
+47 
Minsenersand . . 
8.8 
8.8 
9.8 
9.9 
9.4 
9.4 
86 
9.9 
9.5 
10.2 
—0.6 
—0.6 
+0.4 
+0.5 
0.0 
0.0 
-0.8 
+0.5 
+0.1 
+0.8 
Bremen 
9.0 
8.9 
9.6 
9.7 
9.0 
9.0 
8.3 
9.6 
9.2 
9.9 
—0.2 
—0.3 
+0.4 
+0.5 
—0.2 
—0.2 
-0.9 
+0.4 
0.0 
+0.7 
Elbe 1 
8.9 
8.9 
10.3 
10.1 
9.8 
9.3 
8.6 
98 
9.7 
10.5 
-0.7 
-0.7 
+0.7 
+0.5 
+0.2 
—0.3 
—1.0 
+0.2 
+0.1 
+0.9 
Elbe 4 
8.7 
9.0 
9.4 
9.6 
9.2 
8.9 
8.5 
9.6 
9.2 
99 
—0.5 
-0.2 
+0.2 
+0.4 
0.0 
—0.3 
-0.7 
+0.4 
0.0 
+0.7 
Außeneider .... 
8.8 
8.6 
9.7 
9.8 
9.4 
9.2 
8.6 
9.8 
9.3 
10.1 
—0.5 
-0.7 
+0.4 
+0.5 
+0.1 
—0.1 
—0.7 
+0.5 
0.0 
+0.8 
Amrumbank ... 
— 
—— 
— 
9.8 
+0.2 
9.3 
—0.3 
9.3 
—0.3 
8.5 
—1.1 
9.8 
+0.2 j 
9.5 
-0.1 
10.2 
+0.6 
Vyl 
8.5 
8.4 
9.6 
— 
9.2 
8.7 
8.1 
9.6 
9.0 
9.9 
-0.5 
-0.6 
+0.6 
— 
+0.2 
-0.3 
-0.9 
+o.6! 
0.0 
+0.9 
Horns Rev .... 1 
— 
— 
9.8 
9.7 
9.5 
8.9 
8.2 
9.8 j 
9.1 
9.9 
— 
— 
+0.6 
+0.5 
+0.3 
-0.3 
—1 0 | 
+0.6 l 
—0.1 
+0.7 
Tabelle IV Mittlere Aenderung der 
Oberflächenwasser-Temperatur hei den 
Feuerschiffen von Monat zu Monat 
(1923—1932) 
Feuerschiff 
Jan.- 
Febr. 
Febr.- 
März 
März- 
April 
April- 
Mai 
Mai- 
Juni 
Juni- 
Juli 
Borkumriff . . . 
—1.0 
0.0 
+1.8 
+3.6 
+3.5 
+3.3 
Norderney .... 
—0.8 
+0.2 
+2.0 
+3.2 
+3.8 
+ 3.6 
Weser 
—1.0 
+0.1 
+2.3 
+3.3 
+4.2 
+3.1 
Minsenersand . 
—0.7 
+0.8 
+2.5 
+3.7 
+3.8 
+3.1 
Bremen 
-0.5 
+0.6 
+3.4 
+4.2 
+3.6 
+2.9 
Elbe 1 
—0.8 
+0.4 
+2.8 
+3.7 
+3.7 
+3.2 
Elbe 4 
—0.2 
+1.1 
+3.9 
-F4.7 
+3.5 
+2.8 
Außeneider . .. 
—0.5 
+0.6 
+3.2 
+4.3 
+3.8 
+3.1 
Amrumbank . . 
—12 
+0.3 
+2.7 
+3 8 
+3.5 
+3.4 
Vyl 
—1.0 
-0.4 
+2.1 
+4.0 
+3.5 
+3.4 
Horns Rev . . . 
—1.3 
—0.4 
+1.8 
+3.6 
+3.3 
+3.4 
Feuerschiff 
Juli* 
Aug. 
Aug.- 
Septb. 
Septb.- 
Oktb. 
Oktb.- 
Novb. 
Novb.- 
Dezb. 
I)ezb.* 
Jan. 
Borkumriff . .. 
+ 1.1 
| 
-0.9 
-2.9 
-3.5 
-3.1 
-1.9 
Norderney .... 
+1.3 
—1.0 
-3.1 
—3.9 
—3.2 
-2.1 
Weser 
+1.2 
—1.2 
-2.9 
—3.8 
—3.1 
—2.2 
Minsenersand . 
+0.9 
—1.5 
—3.4 
-3.9 
—3.5 
—1.8 
Bremen .... . 
+0.1 
-1.7 
—3.9 
—4.2 
—3.5 
—1.0 
Elbe 1 
40.7 
—1.4 
—35 
—3.6 
-3.3 
—1.9 
Elbe 4 
—0.1 
—2.3 
-4.4 
—4.4 
- 3.4 
—1.2 
Außeneider . . 
+0.4 
—1.9 
—4.0 
-3.7 
—3.3 
—2.0 
Amrumbank . . 
+1.0 
-1.6 
—2.9 
—3.9 
—3.3 
—1.8 
Vyl 
+0.9 
—1.0 
—3.1 
—3.4 
-3.3 
—1.7 
Horns Rev . . 
+1.2 
—0.7 
—2.6 
—3.3 
-3.2 
-1.8 
Ito 
Aus dem Archiv der Deutschen Seewarte. — 54. Bd. Nr.