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First, I don't know what exactly you're trying to achieve, but if you are planning on just replacing the temperatures with real ones and leaving the rest of the parameters intact, it'll be aberrant and ultimately useless because there are physical relationships with other parameters.

Otherwise, if you're initial file was an epw, and you saved it as an EnergyPlus CSV format and replaced values in there, it should be straightforward to convert it back to epw. Only other, non EnergyPlus, CSV files need a DEF file.

The full document of the Weather Converter Program is in the "Auxiliary Programs" documentation that comes with EnergyPlus.

Otherwise, you can always use Elements or order AMY weather files from selected vendors. See this thread on Unmet Hours for more information.

First, I don't know what exactly you're trying to achieve, but if you are planning on just replacing the temperatures with real ones and leaving the rest of the parameters intact, it'll be aberrant and ultimately useless because there are physical relationships with other parameters.

Otherwise, if you're your initial file was an epw, EPW, and you saved it as an EnergyPlus CSV format using the Weather Converter Program and replaced values in there, it should be straightforward to convert it back to epw. EPW. Only other, non EnergyPlus, CSV files need a DEF file.

The full document of the Weather Converter Program is in the "Auxiliary Programs" documentation that comes with EnergyPlus.

Otherwise, you can always use Elements or order AMY weather files from selected vendors. See this thread on Unmet Hours for more information.

First, I don't know what exactly you're trying to achieve, but if you are planning on just replacing the temperatures with real ones and leaving the rest of the parameters intact, it'll be aberrant and ultimately useless because there are physical relationships with other parameters.

Otherwise, if your initial file was an EPW, and you saved it as an EnergyPlus CSV format using the Weather Converter Program and replaced values in there, it should be straightforward to convert it back to EPW. Only other, non EnergyPlus, CSV files need a DEF file.

The full document of the Weather Converter Program is in the "Auxiliary Programs" documentation that comes with EnergyPlus.

Otherwise, Alternatively, you can always use Elements or order AMY weather files from selected vendors. See this thread on Unmet Hours for more information.