Standard Port Periods of Observation

The following table indicates the years for which tidal observations have been analysed. The results of the analysis of that data have been used to generate tide predictions for the period 1 July 2011 - 30 June 2012. The number of years of data analysed is also shown. Any difference between the period of observations and number of years analysed indicates data missing for one or more years.

Standard Port Period of Observation No. of Years
Auckland 1991-2009 19
Bluff 1998-2010 13
Dunedin 1999-2010 12
Gisborne 2004-2010 6
Lyttelton 1995-2010 16
Marsden Point 1992-2010 19
Napier 1992-2010 15
Nelson 1996-2010 13
Onehunga 2001-2009 9
Picton 2005-2008 3
Port Chalmers 2000-2010 11
Port Taranaki 1992-2010 18
Tauranga 1992-2010 18
Timaru 2002-2010 9
Wellington 1992-2010 19
Westport 1999-2009 8