condition mean min max 2 h after light 0.1239465 0.0 0.743679 6 h after light 0.1156455 0.0 0.361778 10 h after light 0.38656399999999996 0.0 0.684179 14 h after light 0.6180771666666667 0.0 2.06975 18 h after light 0.130254 0.0 0.460627 2 h after dark 0.165769 0.0 0.994614