condition mean min max 0 h after light 2.89371 0.0 5.78742 2 h after light 2.692785 0.0 5.38557 4 h after light 5.41426 2.63487 8.19365 8 h after light 6.9294649999999995 5.53093 8.328 12 h after light 4.41818 2.69971 6.13665 2 h after dark 17.2076 15.0438 19.3714 4 h after dark 10.431795 5.36249 15.5011 8 h after dark 9.07015 0.0 18.1403 12 h after dark 0.0 0.0 0.0