condition	mean	min	max
4 h after light	13.8	13.8	13.8
8 h after light	28.4	3.8	53.0
12 h after light	19.7	5.3	34.1
4 h after dark	8.7	3.8	13.6
8 h after dark	12.95	1.4	24.5
12 h after dark	5.0	4.7	5.3