=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-Jun-1991 Viana 210/011 RLR(1984) is 18.0m below TGBM =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 12-Jul-1993 Viana 210/011 RLR(1984) is 18.0m below TGBM =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 04-Nov-1998 data for 1984-85 replaced with revised values received from authority 41 Viana is an historic station last data 1985