condition	mean	min	max
4 h after light	13.2	13.2	13.2
8 h after light	7.55	4.0	11.1
12 h after light	9.35	4.8	13.9
4 h after dark	13.15	5.3	21.0
8 h after dark	7.949999999999999	2.2	13.7
12 h after dark	3.5	2.8	4.2