condition mean min max 0 h after light 0.064719 0.0 0.129438 2 h after light 0.0 0.0 0.0 4 h after light 0.0175358 0.0 0.0350716 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.02538255 0.0 0.0507651 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.088587 0.0 0.177174