condition	mean	min	max
4 h after light	7.2	7.2	7.2
8 h after light	8.35	5.7	11.0
12 h after light	8.95	6.9	11.0
4 h after dark	5.05	4.6	5.5
8 h after dark	20.349999999999998	7.9	32.8
12 h after dark	13.2	6.0	20.4