condition mean min max 2 h after light 10.103365 7.32453 13.7452 6 h after light 6.612545 4.02645 9.24908 10 h after light 8.665321666666667 5.11888 15.3725 14 h after light 8.021608333333333 4.58477 10.8807 18 h after light 7.6630416666666665 5.51412 10.1082 2 h after dark 9.812695 6.80886 12.7386