=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 20-Aug-1997
Data for 1993-95 revised
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 15-Jan-1998
data for 1993 and 1996-97 revised
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Jan-1998
gauge type=bottom mounted pressure type by Platypus engineering