A graphical depiction of trends in meteorological variables such as temperature, dew point, wind speed and direction, pressure, etc. The time series meteogram can be constructed using observed data or forecast data.
A graphical depiction of trends in meteorological variables such as temperature, dew point, wind speed and direction, pressure, etcetera are used when plotting past data up to the current hour. However, meteograms can be constructed using observed data or forecast data.