Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Peak Streamflow for the Nation


Lyman County, South Dakota
Hydrologic Unit Code 10140204
Latitude  43°44'54", Longitude  99°33'22" NAD27
Drainage area 9,915  square miles
Contributing drainage area 9,855  square miles
Gage datum 1,378.4 feet above NAVD88

Period of record
Begin Date End Date Peaks
1929-03-10 2021-03-22 93

Choose Output Format

Retrieve Published peak streamflow data for Selected Sites
Choose one of the following options for displaying data for the sites meeting the criteria above
Retrieve data from: to: (YYYY-MM-DD -- Blank = all data)
Graphs of data
Table of data
Tab-separated data *

 * Save compressed files with a .gz file extension.
peakfq (watstore) format *

 * Save compressed files with a .gz file extension.