NSA/METTWR/C1 - Missing CMH data

CMH data are missing. Corrosion in the serial data line connections caused a loss of 
communication with the CMH. Some data may have come through, but should not be used.

Use T/RH data from 2m level.

• Chilled Mirror Dew Point(CMHDP)
• Chilled Mirror Calculated Saturation Vapor Pressure(SatVPCMH)
• Chilled Mirror Calculated Vapor Pressure(VPCMH)
• Chilled Mirror Temperature(CMHTemp)
• Chilled Mirror Calculated Relative Humidity(CMHRH)