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 2017 - 30 June 2018. 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 Observations

No. of Years

Auckland

1998 – 2016

19

Bluff

1998 – 2016

19

Dunedin

1999 – 2016

18

Gisborne

2004 – 2016

12

Lyttelton

1998 – 2016

18

Marsden Point

1998 – 2016

19

Napier

1999 – 2016

18

Nelson

1999 – 2016

17

Onehunga

2001 – 2016

16

Picton

2005 – 2008

4

Port Chalmers

2000 – 2016

17

Port Taranaki

1998 – 2016

18

Tauranga

1998 – 2016

18

Timaru

2002 – 2016

15

Wellington

1998 – 2016

19

Westport

1999 – 2012

11

Last Updated: 30 June 2017