CONTENTS 

 TABLES-Continued 



Page 



11 Sample probability calculations 78 



12 Comparison of probability for Atlantic City, using Sandy Hook as reference 



station and Atlantic City as primary station 78 



13 Probability distribution for the sum of two numbers from 1 to 6 81 



14 Probability density function for z = x + y 81 



15 Computation of P(n), z = x + y, two unbiased dice 82 



16 Frequencies of maximum winter (November to April) surge heights, Atlantic 



City, New Jersey 83 



17 Computation of joint probabilities for astronomical tides and extratropical storm 



surges at Atlantic City, New Jersey 84 



FIGURES 



1 Tide predictions for Boston, Massachusetts, January 1963 16 



2 Predicted tidal curves at five locations for January 1963, showing various 



astronomical tides 17 



3 Tracings from tide gage records 19 



4 Sample tide records sliowing tsunamis 20 



5 Departure of the observed daily MSL from tlie predicted value for selected 



USC&GS tide stations in 1957 22 



6 Observed monthly MSL at USC&GS Atlantic coast tide stations, 1930-40 .... 23 



7 Change in sea level with respect to adjacent land for Yakutat, Alaska, 



Honolulu, Hawaii, and Cristobal, Canal Zone 24 



8 Force diagram for the generation of astronomical tides 27 



9 Tide-producing forces 31 



10 Spring and neap tides during a lunar month 32 



