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For more details, see the ahats logbook at https://wiki.ucar.edu/display/ahatslogbook
Good wind direction: From July 11, 12:00, until July 14, 12:00, we have
had 33.5 hours or 47% good wind directions with continuous periods
of at least 25 minutes. This includes 24.75 hours stable data and
8.17 hours unstable.
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