condition	mean	min	max
0 h after light	6.015065	5.20181	6.82832
4 h after light	4.097325	3.62546	4.56919
8 h after light	13.5689	12.1423	14.9955
4 h after dark	15.005849999999999	13.9172	16.0945
8 h after dark	10.99865	10.9561	11.0412
12 h after dark	6.118589999999999	5.51974	6.71744