Interesting Web Links:

NOAA National Data Buoy Center designs, develops, operates, and maintains a network of data collecting buoys and coastal stations.
http://www.ndbc.noaa.gov/tour/virtr1.shtml

Tropical Atmosphere Ocean Array (TAO)- Real time data from moored ocean buoys for improved detection understanding and prediction of eEl Nino and La Nina.
http://tao.noaa.gov/

Pacific Marine Environmental Laboratory-TAO project
http://www.pmel.noaa.gov/tao/

University of Massachusetts-Climate system research center remote weather stations in various regions around the world.

Sites at Bolivia
http://www.geo.umass.edu/climate/sajama/feb98.html
Kilimanjaro
http://www.geo.umass.edu/climate/kibo.html

National Climatic Data Center
http://lwf.ncdc.noaa.gov/oa/ncdc.html