UA. 



I 1 5 7 t II 13 IS IT 19 31 Z) a 3r a 31 1 3 S ' t II 13 IS I' II II 23 JS V a 31 



OHT OF THE MONTH 



a. Height 



JO- 



rv-AUytf^^'-'^v^ /\/v 



/v^V.^ 



-Ay^ A^"Wv*^^^^-^ 



:/iMr 



-V^r-^ V'W^v-VA^r'^T^ vy-A\^ f^^^^^'^^^-vAr^— ^ 



^''^w#Tvy''^'^^''^-^W 



, /^^./^ 



V^^V^VA^^ 



V/T'^ ^^^^n^^'^^^'vy'V'^ 



i^/\ r^^^-^^^^-Nojvr^ 



I 3 5 ' • II 13 15 17 11 31 a B 27 a 311 3 5 7 • II 13 » 17 It 21 a B 7 a 31 



Ofir OF THE HONTH 



b. Period 



Figure Bl. Time-history of H^ and T^ for gage 



o 



625 



B4 



