condition	mean	min	max
4 h after light	5.7	5.7	5.7
8 h after light	4.25	4.0	4.5
12 h after light	6.1	4.1	8.1
4 h after dark	4.0	3.1	4.9
8 h after dark	9.7	2.2	17.2
12 h after dark	6.8500000000000005	4.9	8.8