AMRC & AWS

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# Updated: 24 July 2013                                                   #
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Nov. 7th, 2013

The South Pole OS-21 instrumentation computes a five minute average temperature
and pressure for  both SYNOPTIC as well as for the METAR. For wind, SYNOPTIC 
is a true ten minute average whereas the METAR is a two minute average. All
other elements like visibility, weather and sky conditions are not impacted
by instrumentation since they are recorded by human eye.