# TES_L2_Temperature_Nadir

## Variables

The table below lists the variables that are present in the HARP product that results from an ingestion of `TES_L2_Temperature_Nadir` data.

field name | type | dimensions | unit | description
--- | --- | --- | --- | ---
datetime | double | {time} | [seconds since 2000-01-01] | time of the measurement
longitude | double | {time} | [degree_east] | tangent longitude
latitude | double | {time} | [degree_north] | tangent latitude
altitude | double | {time, vertical} | [m] | altitude per profile level
pressure | double | {time, vertical} | [hPa] | pressure per profile level
temperature | double | {time, vertical} | [K] | atmospheric temperature
temperature_uncertainty | double | {time, vertical} | [K] | atmospheric temperature precision
index | int32 | {time} |  | zero-based index of the sample within the source product

## Mapping description

The table below details where and how each variable was retrieved from the input product.

field name | mapping description
--- | ---
datetime | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Geolocation_Fields/Time[]
description | the time converted from TAI93 to seconds since 2000-01-01T00:00:00
longitude | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Geolocation_Fields/Longitude[]
latitude | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Geolocation_Fields/Latitude[]
altitude | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Data_Fields/Altitude[]
pressure | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Data_Fields/Pressure[]
temperature | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Data_Fields/Temperature[]
temperature_uncertainty | path | /HDFEOS/SWATHS/TemperatureNadirSwath/Data_Fields/TemperaturePrecision[]