condition	mean	min	max
4 h after light	39.1	39.1	39.1
8 h after light	15.45	8.5	22.4
12 h after light	54.2	32.6	75.8
4 h after dark	18.1	14.0	22.2
8 h after dark	13.4	12.0	14.8
12 h after dark	15.2	7.1	23.3