condition	mean	min	max
4 h after light	12.5	12.5	12.5
8 h after light	25.25	10.6	39.9
12 h after light	11.65	10.5	12.8
4 h after dark	27.25	7.4	47.1
8 h after dark	5.85	3.0	8.7
12 h after dark	5.45	3.2	7.7