CDS parameter name for CMIP5 | Variable ESGF variable id | Long name to be used in CMIP6 | Units |
2m temperature | tas | Near-Surface Air Temperature | KelvinKelvin |
Maximum 2m temperature in the last 24 hours | tasmax | Daily Maximum Near-Surface Air Temperature | KelvinKelvin |
Minimum 2m temperature in the last 24 hours | tasmin | Daily Minimum Near-Surface Air Temperature | KelvinKelvin |
| Skin temperature | ts | Surface Temperature | Kelvin |
| Mean sea level pressure | psl | Sea Level Pressure | Pa |
| Surface pressure | ps | Surface Air Pressure | Pa |
| 10m u component of wind | uas | Eastward Near-Surface Wind | m s-1 |
| 10m v component of wind | vas | Northward Near-Surface Windm | m s-1 |
| 10m wind speed | sfcWind | Near-Surface Wind Speedm | m s-1 |
| 2m relative humidity | hurs | Near-Surface Relative Humidity | 1 |
| 2m specific humidity | huss | Near-Surface Specific Humidity | 1 |
| Mean precipitation flux | pr | Precipitation | kg m-2s-1 |
| Snowfall | prsn | Snowfall Flux | kg m- | 2 2 s-1 |
| Evaporation | evspsbl | Evaporation Including Sublimation and Transpiration | kg m- | 2 2 s-1 |
| Eastward turbulent surface stress | tauu | Surface Downward Eastward Wind Stress | Pa |
| Northward turbulent surface stress | tauv | Surface Downward Northward Wind Stress | Pa |
| Surface latent heat flux | hfls | Surface Upward Latent Heat Flux | W m-2 |
| Surface sensible heat flux | hfss | Surface Upward Sensible Heat Flux | W m- | 2 2 |
| Surface thermal radiation downwards | rlds | Surface Downwelling Longwave Radiation | W m-2 |
Surface upwelling longwave radiation | rlus | Surface Upwelling Longwave Radiation | W m-2 |
Surface solar radiation downwards | rsds | Surface Downwelling Shortwave Radiation | W m-2 |
Surface upwelling shortwave radiation | rsus | Surface Upwelling Shortwave Radiation | W m-2 |
TOA incident solar radiation | rsdt | TOA Incident Shortwave Radiation | W m-2 |
| TOA outgoing shortwave radiation | rsut | TOA Outgoing Shortwave Radiation | W m-2 |
| TOA outgoing longwave radiation | rlut | TOA Outgoing Longwave Radiation | W m-2 |
| Total cloud cover | clt | Total Cloud Cover Percentage | 1 |
| Air temperature | ta | Air Temperature | K |
| U-component of wind | ua | Eastward Windm | m s-1 |
| V-component of wind | va | Northward Windm | m s-1 |
| Relative humidity | hur | Relative Humidity | 1 |
| Specific humidity | hus | Specific Humidity | 1 |
| Geopotential height | zg | Geopotential Height | m |
| Surface snow amount | snw | Surface Snow Amountkg m | kg m-2 |
| Snow depth | snd | Snow Depth | m |
| Runoff | mrro | Total Runoff | kg m- | 2 2 s-1 |
| Soil moisture content | mrsos | Moisture in Upper Portion of Soil Column | kg m-2 |
| Sea-ice area percentage | siconc | Sea-Ice Area Percentage (Ocean Grid) | 1 |
| Sea ice thickness | sithick | Sea Ice Thickness | m |
| Sea ice plus snow amount | simass | Sea-Ice Mass per Area | kg m-2 |
| Sea ice surface temperature | sitemptop | Surface Temperature of Sea Ice | K |
| Sea surface temperature | tos | Sea Surface Temperature | K |
| Sea surface salinity | sos | Sea Surface Salinity1e-3 | PSU |
| Sea surface height above geoid | zos | Sea Surface Height Above Geoid | m |
| Grid-cell area for ocean variables | areacello | Grid-Cell Area for Ocean Variables*m2 | m2 |
| Sea area percentage | sftof | Sea Area Percentage* | % |
| Grid-cell area for atmospheric grid variables | areacella | Grid-Cell Area for Atmospheric Grid Variables*m2 | m2 |
| Capacity of soil to store water (field capacity) | mrsofc | Capacity of Soil to Store Water (Field Capacity)* | kg m-2 |
| Percentage of grid cell occupied by land (including lakes) | sftlf | Percentage of the Grid Cell Occupied by Land (Including Lakes)* | % |
| Land ice area percentage | sftgif | Land Ice Area Percentage* | 1 |
| Orography | orog | Surface Altitude* | m |