=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Qinhuangdao         610/039 RLR(1980) is 11.4m below BM(1965.7)
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 14-JUL-93 :
High value for August 1959 and low value for January 1963 noted but no explanation available
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-OCT-93 :
December 1981 value low, queried with authority Qinhuangdao is an historic station last data 1994

