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Global 30-Year Mean Monthly Climatology, 1961-1990 (New et al.)

Published by ORNL_DAAC | National Aeronautics and Space Administration | Catalog Last Checked: August 18, 2026 at 11:38 PM | Dataset Last Updated: August 18, 2026
This is a dataset of mean monthly surface climate measurements over global land areas, excluding Antarctica, for the period 1961-1990. Values were interpolated from station data to a 0.5 degree latitude/longitude grid for several climatic parameters: precipitation and wet-day frequency, mean temperature and diurnal temperature range (from which maximum temperature and minimum temperature can be determined), vapour pressure, sunshine, cloud cover, ground-frost frequency and windspeed. A description of the data files is provided as a companion file. For a complete documentation of the dataset, see New et al, 1999. Also refer to IPCC Data Distribution Centre.

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Complete Metadata
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accessLevel public
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contactPoint 
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description This is a dataset of mean monthly surface climate measurements over global land areas, excluding Antarctica, for the period 1961-1990. Values were interpolated from station data to a 0.5 degree latitude/longitude grid for several climatic parameters: precipitation and wet-day frequency, mean temperature and diurnal temperature range (from which maximum temperature and minimum temperature can be determined), vapour pressure, sunshine, cloud cover, ground-frost frequency and windspeed. A description of the data files is provided as a companion file. For a complete documentation of the dataset, see New et al, 1999. Also refer to IPCC Data Distribution Centre.
distribution 
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identifier 10.3334/ORNLDAAC/542
keyword 
[
  "earth-science-atmospheric-radiation-atmosphere-solar-irradiance",
  "earth-science-atmospheric-temperature-atmosphere-surface-temperature",
  "earth-science-atmospheric-water-vapor-atmosphere-water-vapor-indicators",
  "earth-science-atmospheric-winds-atmosphere-surface-winds",
  "earth-science-clouds-atmosphere-cloud-properties",
  "earth-science-precipitation-atmosphere-precipitation-amount",
  "earth-science-weather-events-atmosphere-freeze-frost"
]
license https://www.usa.gov/government-works
modified 2026-08-18
programCode 
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publisher 
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  "@type": "org:Organization"
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spatial 
"["CARTESIAN", [{"WestBoundingCoordinate": -180.0, "NorthBoundingCoordinate": 90.0, "EastBoundingCoordinate": 180.0, "SouthBoundingCoordinate": -90.0}]]"
temporal 1961-01-01/1991-01-01
theme 
[
  "Earth Science"
]
title Global 30-Year Mean Monthly Climatology, 1961-1990 (New et al.)

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