18 
1999 HW Boi kmii 
Frequency Distribution of Differences 
[circulation model - measurement] 
1999 HW Cuxluwen 
Frequency Distribution of Differences 
[circulation model - measurement] 
Fig. 7: Frequency distribution of high water level differences at the stations Borkum and 
Helgoland for the year 1999 
Table 2: Model errors of HW / LW predictions for North Sea stations Borkum 
and Cuxhaven 
Borkum 
Cuxhaven 
Year 
HW 
LW 
HW 
LW 
Bias 
Std. 
Bias 
Std. 
Bias 
Std. 
Bias 
Std. 
dev. 
dev. 
dev. 
dev. 
1998 
-11,2 
16,5 
21,1 
19,7 
1,1 
19,9 
43,5 
21,7 
1999 
-0,4 
14,7 
13,4 
16,0 
6,6 
18,1 
22,4 
19,6 
2000 
-0,6 
16,2 
11,2 
23,3 
6,1 
18,5 
18,1 
20,8