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Anomaly PED, 2013/14–2015/16
Ministry for the EnvironmentPotential evapotranspiration deficit (PED) can be thought of as a drought index. It is the difference between how much water could potentially be lost from the soil through... -
Average annual rainfall, 2015
Ministry for the EnvironmentRain is vital for life – it supplies the water we need to drink and to grow our food, keeps our ecosystems healthy, and supplies our electricity. New Zealand’s mountainous... -
Annual sea surface temperature difference from normal, 2014
Ministry for the EnvironmentThe oceans store most of the excess energy accumulated due to increased greenhouse gases in the atmosphere warming the surface layer. These long-term increases in temperature... -
Lightning, 2001–2016
Ministry for the EnvironmentLightning is the discharge of electricity from thunderstorms and can occur within a cloud, between clouds, or between a cloud and the ground. By international standards,... -
Global production of ozone depleting substances, 1986–2015
Ministry for the EnvironmentOzone in the stratosphere is destroyed in a catalytic reaction with a range of chemical species (mainly CFCs) that are emitted through human activities. The emission of these... -
Trends in greenhouse gas concentrations at Baring Head, 1972–2016
Ministry for the EnvironmentWe report on GHG concentrations in ‘clean air’ measured at Baring Head, near Wellington. These measurements give us a good idea of global concentrations and help us infer... -
Average annual sunshine hours, 2014
Ministry for the EnvironmentSunshine is essential for our mental and physical well-being and plant growth. It is also important for tourism and recreation. More information on this dataset and how it... -
Melanoma registration trends, 1996–2013
Ministry for the EnvironmentNew Zealand and Australia have the world’s highest rates of melanoma, the most serious type of skin cancer. Melanoma is mainly caused by exposure to ultraviolet (UV) light,... -
Trends in ozone concentrations, 1978–2017
Ministry for the EnvironmentNIWA supplied ozone data in two forms, with different starting dates: - measurements made using a Dobson spectrophotometer (number 72), from 1987 - data assimilated from... -
Nitrate-nitrogen leaching from beef livestock 2017
Ministry for the EnvironmentRaster layer with 100m * 100m pixels, Each pixel represents the estimated nitrate-N leached in kg/ha/yr. This layer contains all nitrate leaching estimated from beef cows. More... -
Influenza like illness weekly consultation rates, 2000–16
Ministry for the EnvironmentInfluenza is a potentially life-threatening virus that spreads quickly from person to person. It is a significant public health issue in this country, with 10–20 percent of New... -
Greenhouse gas concentrations at Baring Head, 1972–2016
Ministry for the EnvironmentWe report on GHG concentrations in ‘clean air’ measured at Baring Head, near Wellington. These measurements give us a good idea of global concentrations and help us infer... -
Lightning Trends, 2001–2016
Ministry for the EnvironmentLightning is the discharge of electricity from thunderstorms and can occur within a cloud, between clouds, or between a cloud and the ground. By international standards,... -
Annual sea surface temperature difference from normal, 2016
Ministry for the EnvironmentThe oceans store most of the excess energy accumulated due to increased greenhouse gases in the atmosphere warming the surface layer. These long-term increases in temperature... -
Melanoma registration rates, by age, 1996–2015
Ministry for the EnvironmentThis csv reports melanoma registration rates, per 100,000 population, by age. Age is grouped in 5 year segments (eg 0–4 years old, 5–9 years old). New Zealand and Australia have... -
Atmospheric ozone, 1979 - 2019, trends
Ministry for the EnvironmentDATA SOURCE: National Institute for Water and Atmospheric Research (NIWA) [Technical report available at... -
Greenhouse gas concentrations, 1972 - 2019
Ministry for the EnvironmentDATA SOURCE: National Institute for Water and Atmospheric Research (NIWA) [Technical report available at... -
PM10 concentrations, 2006–17
Ministry for the EnvironmentParticulate matter (PM) comprises solid and liquid particles in the air. PM10 particles have a diameter less than 10 micrometres. Coarse particles (2.5–10 micrometres) can be... -
Southern Annular Mode monthly values, January 1979–December 2016
Ministry for the EnvironmentA consistent band of westerly wind flows across the Southern Hemisphere and circles the South Pole. The Southern Annular Mode (SAM) describes how this band moves, either north... -
Campylobacteriosis, cryptosporidiosis, and salmonellosis notifications, 1997–...
Ministry for the EnvironmentBacteria and parasites are influenced by climate variables, and infection rates may increase in response to climate change and rising temperatures. Campylobacter,...
