About the Cooperative Observer Program

The weather observers who make up the Cooperative Observer Program are a core of volunteers numbering over 11,000 people across the country. This all volunteer network of weather observers has become an American institution. The program and its history of success continue to arouse the envy of other countries around the globe and has been acclaimed as the most cost-effective weather data collection network in the world.

The Cooperative Observer Network operates basically as it did the first year of its inception over 100 years ago. This data has become more valuable with time as the data now forms the cornerstone of the Nation's climatological history.

Cooperative Weather Observers come from all walks of life. Farmers, teachers, lawyers, doctors, housewives, retirees, even power plants, water and pollution control plants, schools, as well as many local and state government offices are all among those contributing to the program.

The Cooperative Observing Program mission is two-fold. It provides daily maximum and minimum temperatures, 24 hour precipitation and snowfall totals and then provides this data in near real-time to support forecast, warning and other public service programs of NOAA's National Weather Service.

Equipment to gather this data is provided by NOAA's National Weather Service and maintained by the Cooperative Program Manager. The data forms are sent monthly to your local weather service office to be quailty controlled, and then are sent to the National Climatic Data Center in Asheville, North Carolina; where the data is then digitized and archived.

Becoming a NOAA's National Weather Service Cooperative Observer volunteer requires the following:

If you are interested in becoming an Official Cooperative Weather Observer for your area, please contact NOAA's National Weather Service Forecast Office in Grand Rapids at (616)949-0643.


  • NOAA National Weather Service
  • Grand Rapids, MI Weather Forecast Office
  • 4899 South Complex Drive SE
  • Grand Rapids, MI 49512-4034
  • 616-949-0643
  • Page Author: GRR Webmaster
  • Web Master's E-mail: w-grr.webmaster@noaa.gov
  • Page last modified: 2-Aug-2007 4:25 PM UTC
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