condition mean min max 4 h after light 2.581613 0.716189 6.20699 8 h after light 3.2821273333333334 0.771282 5.54601 12 h after light 4.0743 2.46046 5.64879 4 h after dark 6.59452 4.60851 8.02894 8 h after dark 5.544560000000001 2.23944 7.8226 12 h after dark 4.757526666666666 3.06048 6.00784