Prior to 1968 data based on readings of high and low waters supplied by Ufficio Hid. Del Mag. Venice =========================== FOLLOWING PSMSL DOCUMENTATION ADDED 26-Jan-2016 : A value of MTL-MSL=0 mm has been applied to the RLR data for the period 1937-1948. This is in agreement with the 2000Mar24 comment at station 168 (Venezia Punta Della Salute). Values of -1 mm and 4 mm were derived from two records in the GESLA2 (high-frequency tide gauge) dataset.
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