Monthly atmospheric CO2 record from Park Falls, Wisconsin, U.S.A.

Graphics Digital Data

Pieter P. Tans and Thomas J. Conway

NOAA Climate Monitoring and Diagnostics Laboratory, Boulder, Colorado 80305, U.S.A.

Period of Record


Park Falls, Wisconsin, U.S.A.
45°93' N, 90°27' W
868 m above MSL


The sampling site at Park Falls, Wisconsin, U.S.A. is operated in cooperation with the Wisconsin Educational Communications Board. The NOAA/CMDL flask data from Park Falls show an increase in the annual mixing ratio from 362.95 parts per million (ppm) in 1995 to 376.50 ppm in 2002.

CITE AS: Tans, Pieter P. and T.J. Conway, 2005. Monthly Atmospheric CO2 Mixing Ratios from the NOAA CMDL Carbon Cycle Cooperative Global Air Sampling Network, 1968-2002. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.

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