Cook County Precipitation Network Daily Data Archive, Illinois State Water Survey

Climate and Atmospheric Science

Cook County Precipitation Network Daily Data Archive

Cook County Raingage Map
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These data are collected as part of the “A 25-Raingage Network for Collection, Reduction, and Analysis of Precipitation Data for Lake Michigan Diversion Accounting” program.

Please choose up to five stations below, and a range of years below that. Click "Get Data". All data are daily precipitation data, collected for the 24-hour period midnight to midnight on the given day.

The daily data offered here are provided by the Illinois State Water Survey. Please view our data disclaimer before downloading anything provided on this web site. Stations are listed by station number.

Provisional near real-time 10-minute and hourly precipitation data are also available for the Cook County Precipitation Network site.

hide past updates

Update: (2010.10.15) New web page: Current hourly and 10-minute data for the past few days are now available on the Data Collection page.

Update: (2007.10.25) Gage #25 updated for October 2004 to present. Added records for January 2007 to present.

1. Choose up to five stations

Station 1   
Station 2   
Station 3   
Station 4   
Station 5   
Station 6   
Station 7   
Station 8   
Station 9   
Station 10   
Station 11   
Station 12   
Station 13   
Station 14   
Station 15   
Station 16   
Station 17   
Station 18   
Station 19   
Station 20   
Station 21   
Station 22   
Station 23   
Station 24   
Station 25   


2. Choose a range of years

From:  To: 
(1989 - 2015 available)
Caution! Requests for large data sets over slow Web connections may not work correctly.  Help



Note: Cook County Precipitation Network Daily Data Archive data are daily precipitation data, collected for the 24-hour period midnight to midnight on the given day. For example, the reading on 1/1/2005 is valid at 11:59 p.m. of that day.

Quality controlled 10-minute and hourly data are available by request though the Midwestern Regional Climate Center. Precipitation is reported to the nearest hundredth of an inch.

Contact: Jim Angel: (217) 333-0729, jimangel@illinois.edu
               Erin Bauer: (217) 300-3471, ebauer@illinois.edu

Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463
217-244-5459
info@isws.illinois.edu

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