condition	mean	min	max
4 h after light	6.7	6.7	6.7
8 h after light	17.95	12.9	23.0
12 h after light	14.600000000000001	7.9	21.3
4 h after dark	8.05	5.9	10.2
8 h after dark	14.35	10.8	17.9
12 h after dark	8.95	6.7	11.2