condition	mean	min	max
4 h after light	3.7	3.7	3.7
8 h after light	11.0	6.2	15.8
12 h after light	3.8	3.6	4.0
4 h after dark	3.1500000000000004	1.6	4.7
8 h after dark	5.3	4.8	5.8
12 h after dark	4.15	2.7	5.6