condition mean min max 2 h after light 1.2661 0.0 4.08724 6 h after light 2.69248 0.0 13.3831 10 h after light 4.341146666666667 0.0 11.4208 14 h after light 3.4128716666666667 0.0 9.7554 18 h after light 1.852385 0.0 6.00894 2 h after dark 2.243646666666667 0.0 7.92762