condition mean min max 2 h after light 66.11681666666667 59.3198 75.4936 6 h after light 43.71315 38.9095 49.5593 10 h after light 42.1589 37.9516 53.4292 14 h after light 42.10125 33.2887 50.8401 18 h after light 49.65866666666667 33.7937 54.2746 2 h after dark 52.43785 37.8824 63.6232