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  • Road Events

    Waka Kotahi (NZTA)
    The Traffic Road Event Information System (TREIS) API lets you access real time data on events / incidents that affect traffic conditions across the network of national highways in New Zealand. An example of an event/incident could include road works, an accident, or weather related problems such as ice or snow. Note: this information is ONLY for notable...
    Created 10 September 2022 Updated 7 December 2023
  • Road Area Events

    Waka Kotahi (NZTA)
    The Traffic Road Event Information System (TREIS) API lets you access real time data on events / incidents that affect traffic conditions across the network of national highways in New Zealand. An example of an event/incident could include road works, an accident, or weather related problems such as ice or snow. Note: this information is ONLY for notable...
    Created 10 September 2022 Updated 7 December 2023
  • EV Roam charging stations

    Waka Kotahi (NZTA)
    The data is supplied by EV charge station owners and operators via inbound API. It is then served out via API, and forms the basis of various journey maps. A number of organisations use the API, but they need to sign up to access it. This data enables people to access the data immediately, without needing to sign up or access an API. Data reuse...
    Created 10 September 2022 Updated 7 December 2023
  • TMS daily traffic counts API

    Waka Kotahi (NZTA)
    You can also access a zipped csv file version of this dataset.TMS (traffic monitoring system) daily-updated traffic counts CSVData reuse caveats: as per license. Data quality statement: please read the accompanying user manual, explaining: how this data is collected identification of count stations traffic monitoring technology...
    Created 10 November 2023 Updated 5 December 2023
  • Annual rainfall Units: percentage of normal, 1982

    Ministry for the Environment
    Annual rainfall is the total accumulated rain over one year. Rain is vital for life, including plant growth, drinking water, river ecosystem health, and sanitation. Floods and droughts affect our environment, economy, and recreational opportunities. This layer shows the annual rainfall as a percentage of normal across New Zealand for 1982 as part of the...
    Created 2 February 2020 Updated 1 December 2023
  • Ammoniacal nitrogen, 2009–2013

    Ministry for the Environment
    "Small amounts of nitrogen are a natural component of healthy rivers. Nitrogen in rivers can vary due to differences in land use, climate, elevation, and geology. Nitrogen is transferred from land to water and is cycled through different forms, which can have different effects. Moderate concentrations of nitrate can cause weeds and algae to grow too fast....
    Created 2 February 2020 Updated 1 December 2023
  • Distribution of rats 2002–2014

    Ministry for the Environment
    "The pressure from animal and plant pests is one of the biggest threats to biodiversity in the land environment. Pest predators (such as stoats and possums) eat eggs, birds, lizards, insects, and snails. Other animal pests (such as deer and goats) damage and kill trees and other plants and can compete with indigenous animals for the plants’ fruit and...
    Created 2 February 2020 Updated 1 December 2023
  • Erosion risk North Island 2012

    Ministry for the Environment
    "This data records estimated erosion risk for different areas in the North Island. New Zealand experiences high rates of soil erosion. In the North Island, this is mostly due to the historical clearance of forest for agriculture (see also Estimated long-term soil erosion). In contrast, erosion in the South Island is mostly due to natural processes,...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 1995

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1995 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Sunshine hours 1979

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows annual sunshine hours across New Zealand for 1979 as part of the data series for years 1972 to 2013. Data is for a calendar year (January-December). The National Institute...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 1984

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1984 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 1997

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1997 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Annual rainfall Units: percentage of normal, 1996

    Ministry for the Environment
    Annual rainfall is the total accumulated rain over one year. Rain is vital for life, including plant growth, drinking water, river ecosystem health, and sanitation. Floods and droughts affect our environment, economy, and recreational opportunities. This layer shows the annual rainfall as a percentage of normal across New Zealand for 1996 as part of the...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 1993

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1993 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 1972

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 1972 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Sunshine hours 1981

    Ministry for the Environment
    Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows annual sunshine hours across New Zealand for 1981 as part of the data series for years 1972 to 2013. Data is for a calendar year (January-December). The National Institute...
    Created 2 February 2020 Updated 1 December 2023
  • Units: percentage of normal sunshine hours 2000

    Ministry for the Environment
    "Sunshine is important for our health and recreation, and for the environment. It is also important for our agriculture-based economy, for example, for plant growth. This layer shows percentage of normal sunshine hours across New Zealand for 2000 as part of the data series for years 1972 to 2013. Data is for a calendar year (January–December). The...
    Created 2 February 2020 Updated 1 December 2023
  • Standardised soil moisture deficit 2009-2010

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 1 December 2023
  • Standardised soil moisture deficit 1984-1985

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 1 December 2023
  • Growing season soil moisture deficit, 1986-1987

    Ministry for the Environment
    Soil moisture is important for plant growth. A lack of moisture content over a growing season is a good indicator of drought, which can have social, environmental, and economic impacts. Increasing temperatures and changes in rainfall patterns are expected to increase the frequency and intensity of drought in many regions. Growing season soil moisture...
    Created 2 February 2020 Updated 1 December 2023