condition	mean	min	max
4 h after light	12.1	12.1	12.1
8 h after light	11.649999999999999	4.4	18.9
12 h after light	2.5	1.6	3.4
4 h after dark	13.8	5.8	21.8
8 h after dark	15.4	11.0	19.8
12 h after dark	1.15	1.1	1.2