condition	mean	min	max
4 h after light	8.2	8.2	8.2
8 h after light	19.6	6.1	33.1
12 h after light	10.2	5.4	15.0
4 h after dark	4.800000000000001	4.7	4.9
8 h after dark	20.35	19.1	21.6
12 h after dark	4.1	3.8	4.4