condition mean min max 4 h after light 9.127920000000001 2.28684 17.2752 8 h after light 4.233946666666666 3.01627 5.40804 12 h after light 4.27929 2.24185 7.0416 4 h after dark 4.68833 0.0 8.82378 8 h after dark 2.6919366666666664 0.0 5.89434 12 h after dark 4.821373333333334 2.30362 7.7536