condition	mean	min	max
4 h after light	7.830496666666667	4.88694	10.9773
8 h after light	5.61133	2.14396	7.86613
12 h after light	8.02964	6.01047	9.95901
4 h after dark	4.93584	4.14997	5.52857
8 h after dark	7.672176666666667	5.20233	11.5501
12 h after dark	16.5351	13.7031	19.2554