FIGUR.E 16, FREQUENCY OF STATE OF THE SEA AT THE 

 LIGHTSHIP FEHMARNBELT IN THE STORMY 

 WINTER OF 1936-37 



3 4 5 



STATE OF THE SEA 



UJ 



< 



K 90 



z 



II) 60 



o 



K 70 



UI 



^ 60[ 



50 

 > 

 o 40 



z 



30 



UJ 



3 



20 

 o 



'^ 10 

 a: 



"^ 



FIGURE 17, FREQUENCY OF WAVE HEIGHTS AT THE LIGHTSHIP 

 FEHMARNBELT IN THE STORMY WINTER OF 1936-37 



FREQUENCY, TYPE 2 



FREQUENCY, TYPE I ^o 

 CLASS INTERVAL=20 CM "^ 



/ 





-T — r-Q^r-_o- 



100 200 



WAVE HEIGHTS-CENTIMETERS 



21 



