=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 01-Oct-1997
Analysis of Suez Canal data is described by F.M.Eid, S.H.Sharaf El-Din
and K.A.Alam El-Din, "Sea-level variation along the Suez Canal",
Estuarine, Coastal and Shelf Science, 44, 613-619, 1997.
DATA FOR 1925-1937 AND 1980-1986 FROM HOURLY HEIGHTS REPLACED EARLIER DATA IN
FEBRUARY 1990;