condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.035671666666666664 0.0 0.107015 12 h after light 0.05280883333333334 0.0 0.0894955 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0