condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	5.8	0.6	11.0
12 h after light	12.55	1.8	23.3
4 h after dark	9.45	1.7	17.2
8 h after dark	1.6	1.2	2.0
12 h after dark	11.850000000000001	2.6	21.1