condition	mean	min	max
4 h after light	5.9	5.9	5.9
8 h after light	3.8	2.8	4.8
12 h after light	4.949999999999999	4.8	5.1
4 h after dark	5.550000000000001	5.4	5.7
8 h after dark	4.0	3.9	4.1
12 h after dark	4.699999999999999	4.3	5.1