condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.348211 0.0 0.568244 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.20305366666666666 0.0 0.609161 6 h after dark 0.15537533333333334 0.0 0.466126 9 h after dark 0.0 0.0 0.0 12 h after dark 0.24371733333333334 0.0 0.731152