USGS - science for a changing world

Virginia Water Science Center


Flow conditions based on daily value statistics can change rapidly with storm runoff or other short-term events. Review 7-, 14-, and 28-day streamflow-condition maps to analyze longer time-averaged data that are less likely to be influenced by short-term events.

Stations are not ranked if the basin is highly regulated or if current gage data are missing. 

To analyze any current flood conditions select


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Page Last Modified: 05/25/2010