Absolute Ordinal Beaufort or Saffir-Simpson scales are ordinal measures of wind velocity Wind Run Wind Direction Wind Gust Direction Ordinal Beaufort or Saffir-Simpson scales are ordinal measures of wind velocity Absolute Other Atmospheric Pressure Precipitation Amount Dry Periods Snow Water Equivalent Air Snow Depth Air Snow Water Equivalent Ground Snow Depth Ground Snow Temperature Energy Content Density Precipitation Duration Other Sensible Heat Flux Flux of heat from the earth's surface which results in a change of temperature Latent Heat Flux Flux of heat from the earth's surface to the atmosphere that is associated with evaporation or condensation of water vapor at the surface Sunshine Duration Downward The difference between absorbed and emitted total radiation Upward The difference between absorbed and emitted total radiation Net=Down-Up The difference between absorbed and emitted total radiation Upward Terrestrial radiation from atmosphere and clouds Reflected Terrestrial radiation from the earth's surface Net=Up-Reflected Terrestrial radiation from the earth's surface Incoming Outgoing Net=In-Out Solar Radiation, downward Incoming shortwave radiation UV-A Radiation Downward Solar Radiation in the UV-A range 400 - 315 nm UV-B Radiation Downward Solar Radiation in the UV-A range 315 - 280 nm Reflected Solar Radiation Product of surface albedo and the downward solar radiation.Upward-directed solar radiation, reflected by the earth's surface and the atmosphere Net Solar Radiation The difference between the solar radiation directed downward and reflected Transmitted Reflected Scattered Absorbed Other Relative Humidity Mixing Ratio Specific Humidity Absolute Humidity Dew Point Temperature Wet Bulb Temperature Vapor Pressure Vapor Pressure Deficit Vapor Pressure Density Other Sulfur Dioxide Temperature (Air) Other Visibility