SGP/SMOS/E6 - RH Sensor failure

The RH readings on the SMOS dropped to zero or became very noisy during rain or moist 
conditions.  The sensor was replaced.

Use neighboring stations RH%.

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

• Relative Humidity (hybrid-b grid)(rh)
• Standard deviation of vapor pressure(sd_vap_pres)
• Standard Deviation of Relative Humidity(sd_rh)
• Vapor Pressure (kiloPascals)(vap_pres)

• Vapor Pressure (kiloPascals)(vap_pres)
• Relative Humidity (hybrid-b grid)(rh)