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USGS Spotlight Questions
What causes drought?
A drought is a period of drier-than-normal condi
When does a drought begin and end?
The beginning of a drought is difficult to deter
Where in the Nation are droughts or very low flows occurring now? How can I see these sites on a map and get to the data?
To view the USGS streamflow information on drought, go to
Why doesn't a drought end when it rains?
Rainfall in any form will provide some drought r