condition mean min max 0 h after light 0.2990125 0.276717 0.321308 2 h after light 16.2667 12.77 19.7634 4 h after light 14.34845 13.516 15.1809 8 h after light 67.1181 59.1314 75.1048 12 h after light 40.19605 37.9239 42.4682 2 h after dark 7.85238 7.1451 8.55966 4 h after dark 1.0092465 0.864693 1.1538 8 h after dark 0.282678 0.216839 0.348517 12 h after dark 0.1688645 0.131941 0.205788