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2m temperatureMaximum 2m temperature in the last 24 hoursMinimum 2m temperature in the last 24 hours Skin temperatureMean sea level pressure pressure10m u component of wind10m v component of wind10m wind speed surface (2m) relative humidity surface (2m) specific humidityMean precipitation fluxEastward turbulent surface stressNorthward turbulent surface stress latent heat flux sensible heat flux thermal radiation downwards upwelling longwave radiation solar radiation downwards upwelling shortwave radiation incident solar radiation outgoing shortwave radiation outgoing longwave radiation cloud cover temperatureU-component of windV-component of wind humidity humidity height snow amount depthSoil moisture contentice area percentage ice thickness ice plus snow amountSea ice surface temperature surface temperature surface salinity surface height above geoidcell area for ocean variables area percentagecell area for atmospheric grid variables soil store water (field capacity grid cell occupied by land (including lakes ice area percentageOrography

MAIN VARIABLES
Name	Units	Description
Near-Surface Air Temperature	K	Temperature of the air near the surface.
Daily Maximum Near-Surface Air Temperature	K	Daily maximum near-surface air temperature.
Daily Minimum Near-Surface Air Temperature	K	Daily minimum near-surface air temperature.
Daily Maximum Near-Surface Wind Speed	m s^-1	Daily maximum 10m wind speed
Surface Temperature	K	Temperature at the interface (not the bulk temperature of the medium above or below) between air and sea for open-sea regions.
Sea Level Pressure	Pa	Time average of the air pressure at sea level.
Surface	Air Pressure	Pa	Pressure of air at the lower boundary of the atmosphere
Eastward Near-Surface Wind	m s^-1	Magnitude of the eastward component of the two-dimensional horizontal air velocity near the surface.
Northward Near-Surface Wind	m s^-1	Magnitude of the northward component of the two-dimensional horizontal air velocity near the surface.
Near-Surface Wind Speed	m s^-1	Magnitude of the two-dimensional horizontal air velocity near the surface.
Near	-Surface Relative Humidity	%	Amount of moisture in the air near the surface divided by the maximum amount of moisture that could exist in the air at a specific temperature and location.
Near	-Surface Specific Humidity	Dimensionless	Amount of moisture in the air near the surface divided by amount of air plus moist at that location.
Precipitation	kg m^-2 s^-1	Amount of water per unit area and time.
Snowfall Flux	kg m^-2 s^-1	Mass of water in the form of snow precipitating per unit area.
Evaporation Including Sublimation and Transpiration	kg m^-2 s^-1	Evaporation rate. It includes conversion to vapour phase from both the liquid and solid phase, i.e., includes sublimation.
Atmosphere Water Vapor Content	kg m^-2	Vertically integrated water vapor amount through the atmospheric column.
Surface Downward Eastward Wind Stress		Pa	Eastward component of the horizontal drag exerted by the atmosphere on the surface through turbulent processes.
Surface Downward Northward Wind Stress	Pa	Northward component of the horizontal drag exerted by the atmosphere on the surface through turbulent processes.
Surface	Upward Latent Heat Flux	W m^-2	Flux per unit area of heat between the surface and the air on account of evaporation including sublimation. Positive when directed upward (negative downward).
Surface	Upward Sensible Heat Flux	W m^-2	Flux per unit area of heat between the surface and the air by motion of air only. Positive when directed upward (negative downward).
Surface	Downwelling Longwave Radiation	W m^-2	Radiation inciding on the surface from the above per unit area.
Surface	Upwelling Longwave Radiation	W m^-2	Longwave radiation from the surface per unit area.
Surface	Downwelling Shortwave Radiation	W m^-2	Radiative shortwave flux of energy downward at the surface.
Surface	Upwelling Shortwave Radiation	W m^-2	Shortwave radiation from the surface per unit area.
TOA	Incident Shortwave Radiation	W m^-2	Incident solar radiation at the top of atmosphere
TOA	Outgoing Shortwave Radiation	W m^-2	Shortwave radiation from the top of the atmosphere to space per unit area.
TOA Outgoing Longwave Radiation	W m^-2	Longwave radiation from the top of the atmosphere to space per unit area.
TOA Outgoing Shortwave Flux Assuming Clear Sky	W m^-2	Shortwave radiation from the top of the atmosphere to space per unit area assuming clear-sky conditions.
TOA	Outgoing Longwave Flux Assuming Clear Sky	W m^-2	Longwave radiation from the top of the atmosphere to space per unit area assuming clear-sky conditions.
Total	Cloud Cover Percentage	Dimensionless	Total refers to the whole atmosphere column, as seen from the surface or the top of the atmosphere. Cloud cover refers to fraction of horizontal area occupied by clouds.
Air	Temperature	K	Temperature of the air.
Eastward Wind	m s^-1	Magnitude of the eastward component of the two-dimensional horizontal air velocity.
Northward Wind	m s^-1	Magnitude of the northward component of the two-dimensional horizontal air velocity.
Relative	Humidity	%	Amount of moisture in the air divided by the maximum amount of moisture that could exist in the air at a specific temperature and location.
Specific	Humidity	Dimensionless	Amount of moisture in the air divided by amount of air plus moisture at that location.
Geopotential	Height	m	Gravitational potential energy per unit mass normalised by the standard gravity at mean sea level at the same latitude. It is also used as vertical coordinate referenced to Earth's mean sea level since its value is proportional to the elevation above the mean sea level.
Surface	Snow Amount	kg m^-2	Snow amount on the ground, excluding that on the plant or vegetation canopy, per unit area.
Snow	Depth	m	Mean thickness of snow.
Total Runoff	kg m^-2 s^-1	Amount per unit area of surface and subsurface liquid water which drains from land.
Surface Runoff Flux	kg m^-2 s^-1	The total surface runoff leaving the land portion of the grid cell divided by the land area in the grid cell (report as "missing" or 0.0 where the land fraction is 0.).
Moisture in Upper Portion of Soil Column	kg m^-2	Vertical sum per unit area from the surface down to the bottom of the soil model of water in all phases contained in soil.
Sea-	Ice Area Percentage (Ocean Grid)	%	Area of the sea surface occupied by sea ice.
Sea	Ice Thickness	m	Vertical extent of ocean sea ice.
Sea	-Ice Mass per Area	kg m^-2	Mass per unit area of sea ice plus snow in the ocean portion of the grid cell averaged over the entire ocean portion, including the ice-free fraction. Reported as 0.0 in regions free of sea ice.
Surface Temperature of Sea Ice	K	Temperature that exists at the interface of tea sea-ice and the overlying medium which may be air or snow.
Sea	Surface Temperature	K	Temperature of sea water near the surface.
Sea	Surface Salinity	PSU	Salt concentration close to the ocean's surface.
Sea	Surface Height Above Geoid	m	Vertical distance between the actual sea surface and a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest.
Grid-	Cell Area for Ocean Variables	m^-2	The area of the grid cell in the ocean. The data is time-independent.
Sea	Area Percentage	%	The percentage of sea surface in a grid cell. The data is time-independent.
Grid-	Cell Area for Atmospheric Grid Variables	m^-2	The area of the grid cell in the atmosphere. The data is time-independent.
Capacity of	Soil to	Store Water (Field Capacity)	kg m^-2	The total water holding capacity of all the soil in the grid cell divided by the land area of the grid cell.
Percentage of	the Grid Cell Occupied by Land (Including Lakes)	%	The percentage of land or lake surface in a grid cell. The data is time-independent.
Land	Ice Area Percentage	%	Fraction of grid cell occupied by "permanent" ice (e.g. glaciers). The data is time-independent.
Surface Altitude		m	The height above the geoid (being 0.0 over the sea). The data is time-independent.

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