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Knowledgebase : Hourly weather data
All of the hourly weather data provided by DesignBuilder is sourced from the EnergyPlus website. Most of the data has been checked and validated but some of the "RMY" data provided for Australia has a degree of uncertainty associated with solar data aroun...
You can use any EPW file containing 8760 hourly records in DesignBuilder. The data should ideally have the year set to 2002 (even if data wasn't recorded in that year) to ensure that days of the week are reported correctly in the graphic output. You can...
DesignBuilder is provided with a large database of hourly weather data freely downloadable on demand, however if you need weather data for a particular location there are various options:Meteonorm is a software application that can generate synthetic hour...
A difference is expected. The difference comes from interpolating hourly weather data for subhourly timesteps in EnergyPlus. In an hourly weather file, the temperatures and other state-point readings are the value at the time the reading was taken. For ex...
All of the data supplied by DesignBuilder comes from the EnergyPlus hourly weather database and is mostly made up of real weather data compiled to create representative years. Each file typically has months from more than one year. DesignBuilder have s...
The message is generated because CIBSE weather files are not freely provided by DesignBuilder like other weather files. They must be purchased from the CIBSE website and then copied to DesignBuilder's weather folder. If buying the file is not an option ...