condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	8.95	4.1	13.8
12 h after light	7.05	4.0	10.1
4 h after dark	15.350000000000001	1.6	29.1
8 h after dark	14.55	7.8	21.3
12 h after dark	8.35	2.2	14.5