SGP/SMOS/E15 - Snow depth sensor removed; data reported as missin

The snow depth sensor was removed from service.  The program was changed so that -9999 is 
entered into the datastream.

• snow_sen
• Snow, depth, 30-min intervals(snow)

• snow_sen
• Snow, depth, 30-min intervals(snow)

• Time of Minimum Snow Depth(time_min_snow)
• Maximum Snow Depth(max_snow)
• Minimum Snow Depth(min_snow_depth)
• Time of Maximum Snow Depth(time_max_snow)

SGP/SMOS/E21 - Snow depth sensor removed; data reported as missin

The snow depth sensor was removed from service.  The program was changed so that -9999 is 
entered into the datastream.

• Time of Minimum Snow Depth(time_min_snow)
• Maximum Snow Depth(max_snow)
• Minimum Snow Depth(min_snow_depth)
• Time of Maximum Snow Depth(time_max_snow)

• snow_sen
• Snow, depth, 30-min intervals(snow)

• Snow, depth, 30-min intervals(snow)
• snow_sen

SGP/SMOS/E4 - Snow depth sensor removed; data reported as missing

The snow depth sensor was removed from service.  The program was changed so that -9999 is 
entered into the datastream.

• snow_sen
• Snow, depth, 30-min intervals(snow)

• Snow, depth, 30-min intervals(snow)
• snow_sen

• Maximum Snow Depth(max_snow)
• Time of Minimum Snow Depth(time_min_snow)
• Minimum Snow Depth(min_snow_depth)
• Time of Maximum Snow Depth(time_max_snow)

SGP/SMOS/E6 - Snow depth sensor removed; data reported as missing

The snow depth sensor was removed from service.  The program was changed so that -9999 is 
entered into the datastream.

• snow_sen
• Snow, depth, 30-min intervals(snow)

• Minimum Snow Depth(min_snow_depth)
• Time of Minimum Snow Depth(time_min_snow)
• Time of Maximum Snow Depth(time_max_snow)
• Maximum Snow Depth(max_snow)

• Snow, depth, 30-min intervals(snow)
• snow_sen

SGP/SMOS/E4 - 6-month Calibration Checks

During the time periods specified, the SMOS.E4 tower was
lowered for 6-month Calibration Checks.   During these times 
wind data are incorrect and temperature and humidity data 
may be incorrect.

Note, exact times when tower was down or maintenance was
being performed is sometimes unknown.  Users should use
the remaining data from these days with caution.

• sd_bar_pres
• Wind speed, vector-averaged, at 10-m height, 30-min intervals(wspd_va)
• Humidity, relative(rh)
• Temperature, air, 30-min intervals, standard deviation(sd_temp)
• Mean Wind Speed(wspd)
• Pressure, vapor, 60-m height, 30-min intervals(vap_pres)
• sd_vap_pres
• Pressure, atmospheric, at 1-m height, 30-min intervals(bar_pres)
• Unit Vector Wind Direction(wdir)
• Temperature, air(temp)
• Wind direction, 30-min intervals, standard deviation(sd_deg)
• Wind speed, 30-min intervals, standard deviation(sd_wspd)
• Humidity, relative, 30-min intervals, standard deviation(sd_rh)

• Wind speed, vector-averaged, at 10-m height, 30-min intervals(wspd_va)
• Temperature, air(temp)
• Wind direction, 30-min intervals, standard deviation(sd_deg)
• Mean Wind Speed(wspd)
• Humidity, relative(rh)
• Pressure, atmospheric, at 1-m height, 30-min intervals(bar_pres)
• Pressure, vapor, 60-m height, 30-min intervals(vap_pres)
• Unit Vector Wind Direction(wdir)

• Wind direction, 30-min intervals, standard deviation(sd_deg)
• Unit Vector Wind Direction(wdir)
• Humidity, relative(rh)
• Mean Wind Speed(wspd)
• Pressure, atmospheric, at 1-m height, 30-min intervals(bar_pres)
• Wind speed, vector-averaged, at 10-m height, 30-min intervals(wspd_va)
• Pressure, vapor, 60-m height, 30-min intervals(vap_pres)
• Temperature, air(temp)

• Wind speed, 30-min intervals, standard deviation(sd_wspd)
• Pressure, vapor, 60-m height, 30-min intervals(vap_pres)
• sd_bar_pres
• Pressure, atmospheric, at 1-m height, 30-min intervals(bar_pres)
• Humidity, relative, 30-min intervals, standard deviation(sd_rh)
• Temperature, air, 30-min intervals, standard deviation(sd_temp)
• sd_vap_pres
• Wind speed, vector-averaged, at 10-m height, 30-min intervals(wspd_va)
• Humidity, relative(rh)
• Wind direction, 30-min intervals, standard deviation(sd_deg)
• Unit Vector Wind Direction(wdir)
• Temperature, air(temp)
• Mean Wind Speed(wspd)

• Temperature, air, at 60-m height, 24-hr maximum(max_temp)
• Time of Minimum Temperature(time_min_temp)
• Time of Maximum Wind Speed(time_max_wspd)
• Time of Maximum Barometric Pressure(time_max_bar_pres)
• Temperature, air, at 60-m height, 24-hr minimum(min_temp)
• Time of Minimum Wind Speed(time_min_wspd)
• Pressure, vapor, at 60-m height, 24-hr maximum(max_vap_pres)
• Time of Minimum Barometric Pressure(time_min_bar_pres)
• Humidity, relative, at 60-m height, 24-hr minimum(min_rh)
• Time of Relative Humidity(time_min_rh)
• Minimum Barometric Pressure(min_bar_pres)
• Time of Maximum Relative Humidity(time_max_rh)
• Maximum Barometric Pressure(max_bar_pres)
• Time of Maximum Vapor Pressure(time_max_vap_pres)
• Humidity, relative, at 60-m height, 24-hr maximum(max_rh)
• Highest gust within hour is reported(max_wspd)
• Pressure, vapor, at 60-m height, 24-hr minimum(min_vap_pres)
• Time of Maximum Temperature(time_max_temp)
• Minimum Wind Speed(min_wspd)
• Time of Minimum Vapor Pressure(time_min_vap_pres)

SGP/SMOS/E4 - Reprocess: Wind direction offset

When the SGP.E4 SMOS tower was installed it was not aligned
properly resulting in a 7 degree offset.  On 3/9/05, the
datalogger program was modifed to correct for this offset.

• Unit Vector Wind Direction(wdir)

• Unit Vector Wind Direction(wdir)

SGP/SMOS/E6 - Reprocess: Wind direction offset

When the SGP.E6 SMOS tower was installed it was not aligned
properly resulting in a 7 degree offset.  On 3/10/05, the
datalogger program was modified to correct for this offset.

• Unit Vector Wind Direction(wdir)

• Unit Vector Wind Direction(wdir)