condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	8.05	7.7	8.4
12 h after light	3.1	3.0	3.2
4 h after dark	4.35	2.7	6.0
8 h after dark	5.0	3.8	6.2
12 h after dark	2.8	2.6	3.0