condition	mean	min	max
4 h after light	6.8	6.8	6.8
8 h after light	27.4	5.0	49.8
12 h after light	10.65	6.0	15.3
4 h after dark	9.5	2.7	16.3
8 h after dark	16.05	15.8	16.3
12 h after dark	4.9	4.8	5.0