condition mean min max 4 h after light 1.8485900000000002 1.50892 2.18826 8 h after light 3.3611199999999997 3.1487 3.57354 12 h after light 3.856845 3.80868 3.90501 4 h after dark 5.30081 4.27722 6.3244 8 h after dark 4.107885 3.88938 4.32639 12 h after dark 3.914885 3.66951 4.16026