value of the sDA calculated by OpenStudio

asked 2018-12-29 05:21:04 -0500

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updated 2018-12-31 13:16:42 -0500

I have a question about the value of the sDA calculated by OpenStudio. sDA is a measure of daylight which reports a percentage of floor area that exceeds a specified illuminance level (e.g. 300 lux) for the specified analysis period (10 hours per day), but in the output daylight metrics.csv file, the percentage displayed for the sDA is the ratio of [hours_met] / [input_hours] which reports the percentage of hours.

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