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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.
|Data Type||Begin Date||End Date||Count|
|Current / Historical Observations (availability statement)||2007-10-01||2017-04-27|
|Discharge, cubic feet per second||1964-10-01||2017-04-26||19201|
|Discharge, cubic feet per second||1964-10-01||2017-03-30||19174|
|Discharge, cubic feet per second||1964-10||2017-03|
|Discharge, cubic feet per second||1965||2017|
|Field/Lab water-quality samples||1968-10-03||2007-04-02||176|
Additional Data Sources
|Instantaneous-Data Archive **offsite**||1990-10-01||2007-09-30||315085|