condition	mean	min	max
4 h after light	5.8	5.8	5.8
8 h after light	12.15	2.5	21.8
12 h after light	15.100000000000001	12.9	17.3
4 h after dark	10.65	1.1	20.2
8 h after dark	3.1	3.0	3.2
12 h after dark	17.9	17.6	18.2