condition	mean	min	max
4 h after light	11.8	11.8	11.8
8 h after light	15.5	2.5	28.5
12 h after light	11.75	3.5	20.0
4 h after dark	4.65	2.9	6.4
8 h after dark	10.600000000000001	3.6	17.6
12 h after dark	12.549999999999999	3.2	21.9