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Published August 20, 2021 | Version 1.0
Dataset Open

Data for A History of Open Weather in New Zealand (HOWNZ)

  • 1. Manaaki Whenua - Landcare Research
  • 2. University of Auckland

Description

Data for A History of Open Weather in New Zealand (HOWNZ): an open access 1 km resolution monthly 1910-2019 time-series of interpolated temperature and rainfall grids with associated uncertainty

There is data for both:

  • nni: the variable estimate from natural neighbour interpolation
  • unc: the uncertainty of the variable estimate

for four weather variables:

  • rain: total rainfall
  • tavg: mean air temperature
  • tmin: mean daily minimum air temperature
  • tmax: mean daily maximum air temperature

and these variables help form the file names alongside the year and month.

So for example, nni-rain-1910-01.tif contains the natural neighbour interpolated values for total rainfall in January 1910, and unc-tavg-1979-05.tif contains the uncertainty values for mean air temperature in May 1979.

For storage efficiency when archiving the data, all data value were multiplied by 10 so that they could be stored as 16 bit integer files. Therefore, all the data needs to be divided by 10 to restore the actual data values before the data is used for any analysis.

Files

Files (1.6 GB)

Name Size Download all
md5:85d841c60f33f33e61edf2ddf298986d
474.2 MB Download
md5:2c21971e16e3251b0ff111f088a758a8
246.2 MB Download
md5:98700bc0066dcb4f50c9dfca7fb31dbb
263.7 MB Download
md5:93cda35b55639dd28efe36ed76e4327c
223.8 MB Download
md5:f68f576dda8989b615ce6f70ffaa4601
284.5 MB Download
md5:3ee66b7dd8bca813ddf577c7c74ab9d6
47.8 MB Download
md5:cb19b9f0a4f5f0e5292e3cc115b22ea1
51.5 MB Download
md5:8303acdef0aacf12f8f3da5838bc76ba
55.7 MB Download