1889 - 1926 VALUES BASED ON 1 READING PER DAY
Station is in Russia. Formerly Finland and known as Viipuri
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991
Vyborg              080/002 RLR(1938) is 10.8m below BM 735D
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993
Vyborg              080/002 RLR(1938) is 10.8m below BM 735D
Vyborg is an historic station last data 1944