Climate and Atmospheric Science - Cook County Precipitation Network, Illinois State Water Survey

Climate and Atmospheric Science

Cook County Precipitation Network

Erin Bauer
Cook County Precipication Network Map

The Cook County Precipitation Network is a 25-site weighing-bucket raingage array operated year-round by the Illinois State Water Survey for the U.S. Army Corps of Engineers and the U.S. Geological Survey since 1989. The network is located in the Lake Michigan and Des Plaines River watersheds of Cook County to provide accurate precipitation measurements for modeling storm runoff, a crucial parameter used in the computation of the amount of water diverted from Lake Michigan into Illinois waterways. The map at right shows the approximate locations of the raingages.

The data are quality controlled during the first week of each month and are reviewed again after October of each year.

Requests for data will be held until the new data usage agreement and billing process are finalized. Submit data requests to Erin Bauer. Thank you for your patience.

Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463

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