2001001 | 2013-12-04 15:00:00+00 | vdtAirTemperature          | 10^-1 degrees Celsius                  | air temperature from the model data                       | C                | t      | F
 2001002 | 2013-12-04 15:00:00+00 | vdtAtmosphericPressure     | 10^-1 millibars, or 10^-1 hectopascals | barometric pressure from the model data                   | mbar             | t      | inHg
 2001003 | 2013-12-04 15:00:00+00 | vdtAirTemperatureAvg       | 10^-1 degrees Celsius                  | mean air temperature for the nearest surface stations     | C                | t      | F
 2001004 | 2013-12-04 15:00:00+00 | vdtAtmosphericPressureAvg  | 10^-1 millibars, or 10^-1 hectopascals | mean barometric pressure for the nearest surface stations | mbar             | t      | inHg
 2001005 | 2013-12-04 15:00:00+00 | vdtDewpointTempAvg         | 10^-1 degrees Celsius                  | mean dew temp. for the nearest surface stations           | C                | t      | F
 2001006 | 2013-12-04 15:00:00+00 | vdtPrecipitationOneHourAvg | 10^-1 kg per sq meter                  | mean hourly precip for the nearest surface stations       | cm               | t      | in
 2001007 | 2013-12-04 15:00:00+00 | vdtVisibilityAvg           | 10^-1 meters                           | mean prevailing vis. for the nearest surface stations     | m                | t      | ft
 2001008 | 2013-12-04 15:00:00+00 | vdtWindSensorAvgDirection  | degrees clockwise from true North      | mean wind_dir for the nearest surface stations            | deg              | t      | deg
 2001009 | 2013-12-04 15:00:00+00 | vdtWindSensorAvgSpeed      | 10^-1 meters per second                | mean wind_speed for the nearest surface stations          | m/s              | t      | mph
(9 rows)