The figure following symbols and are the forecast/recorded temperature at HKO on the day, and could be regarded as the range of temperature variation on that day.
The meteorological data displayed for “My Location Weather” for the user selected location is provided by nearby weather stations. In case meteorological data is not available from nearby stations, data from other meteorological stations at the Headquarters of the Observatory, King’s Park, and Star Ferry will be used instead.
The figures in the chart are calculated based on max/min temperature and monthly rainfall data recorded at the HKO in that month in the 30 years from 1991 to 2020.