NSA/TWR/C1 - 40m temp/humidity problem

A problem with the temp/humidity sensor at the 40m level caused incorrect data to be 
recorded. Between 5/10/14 and 5/16/14, dew point, relative humidity, and vapor pressure data 
are occasionally incorrect (vastly different when compared with other levels). Beginning 
6/5/14, the data go missing entirely until a sensor exchange occurred on 7/15/2014.

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• Relative humidity observed by the Raman lidar(rh_mean)
• Temperature mean(temp_mean)
• Vapor pressure mean, calculated(vapor_pressure_mean)
• Dew point mean, calculated(dew_point_mean)