condition	mean	min	max
4 h after light	12.55645	10.6377	14.4752
8 h after light	17.6271	17.2777	17.9765
12 h after light	18.191	15.9712	20.4108
4 h after dark	21.9362	20.3205	23.5519
8 h after dark	17.713549999999998	17.6645	17.7626
12 h after dark	15.90295	15.1325	16.6734