condition mean min max 4 h after light 7.258877 3.7510470000000002 10.61058 8 h after light 3.692655333333333 2.622548 5.045401 12 h after light 5.433107000000001 4.388251 5.9834190000000005 16 h after light 11.075538 7.504894 13.894129999999999 4 h after dark 8.577455333333333 6.8311020000000005 9.528319 8 h after dark 6.766681999999999 5.973185 7.933878999999999