SGP/SMOS/E1 - RH high when near saturated

Instrument RH values consistently exceeded MAX and did not compare well to surrounding 
sites.  Problem was apparent only when local RH values were in excess of 90%, usually 
between 02-16Z.

Use nearby MesoNet or SMOS RH data.

• Standard Deviation of Relative Humidity(sd_rh)
• Quality check results on field: Vapor Pressure(qc_vap_pres)
• Quality check results on field: Relative Humidity (rh)(qc_rh)
• Relative Humidity (hybrid-b grid)(rh)
• Quality check results on field: Standard deviation of relative humidity(qc_sd_rh)
• Quality check results on field: Standard deviation of vapor pressure(qc_sd_vap_pres)
• Vapor Pressure (kiloPascals)(vap_pres)
• Standard deviation of vapor pressure(sd_vap_pres)

• Maximum Vapor Pressure(max_vap_pres)
• Time of maximum relative humidity(time_max_rh)
• Daily minimum vapor pressure(min_vap_pres)
• Daily maximum relative humidity(max_rh)
• Time of Relative Humidity(time_min_rh)
• Minimum Relative Humidity(min_rh)
• Time of minimum vapor pressure(time_min_vap_pres)
• Time of maximum vapor pressure(time_max_vap_pres)

• Relative Humidity (hybrid-b grid)(rh)
• Vapor Pressure (kiloPascals)(vap_pres)
• Quality check results on field: Vapor Pressure(qc_vap_pres)
• Quality check results on field: Relative Humidity (rh)(qc_rh)