64 



U. S. COAST AND GEODETIC SURVEY 



the end of tlie tide roll which pertain to the following month in order 

 that they may be included in the tabulations for that month. 

 214. Times. — The times of the high and low waters are to be ex- 



DEPARTMENT OF COMMERCE 



Ed. Feb . 1928 



Slalion: 

 Obierpal 

 Tim 



TIDES: HIGH AND LOW WATERS 



uu._±j±2aL 



Innl /ZZ^ZO' 



FiGUHB 24. — Form 138, high and low waters (front). 



pressed in hours and tenths, the hours being numbered consecutively 

 from (midnight) to 23 (11 p. m.). A high or low water occurring 

 at midnight (0^) is taken as belonging to the day just beginning. 

 Standard time is to be used consistently throughout the tabulations 

 regardless of any temporary local use of daylight-saving time. In 

 form 138 two lines are provided for each calendar day, and in general 



