condition mean min max 2 h after light 3.1080115 0.83374 7.10885 6 h after light 3.0543211666666665 0.0 9.18837 10 h after light 3.2021662109999998 0.0 17.2791 14 h after light 0.9502435383333333 0.0 3.89998 18 h after light 0.9935624898333334 0.0 2.18834 2 h after dark 1.9846666692666666 0.0 11.908