Warning: Javascript must be enabled to use all the features on this page!
Click to hideNews Bulletins
Click to hide state-specific text

Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).

NOTE: From May 7 to May 13 the IA offices of the USGS Water Science Center are transitioning to a new data management software package. While you may not notice this transition, some sites may have problems or delays in being updated. We are actively monitoring these conditions and are resolving them as quickly as possible.


This program does not take user input.

Unable to process your URL arguments.