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Weather Station Details

Each station has an array of instruments to record air and snow temperature, humidity, pressure, wind speed and direction, solar radiation and snow accumulation/ablation (distance to snow surface). Measurements are processed and stored on-site, as well as transmitted to the GOES East satellite. Data are obtained from NOAA in near real-time at the UMass Climate Systems Research Center for processing.

For further information on each station, follow the links below. A comprehensive discussion is also available:

Hardy, D.R., M. Vuille, C. Braun, F. Keimig, and R.S. Bradley, 1998: Annual and daily meteorological cycles at high altitude on a tropical mountain. Bulletin of the American Meteorological Society, v. 79, p. 1899-1913.

(available on-line from the AMS)

Sajama details Sajama    |    Illimani
Illimani details

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Climate System Research Center | Department of Geosciences | University of Massachusetts

Document maintained by Doug Hardy (
Last updated: 1 October 1998