condition	mean	min	max
4 h after light	7.7	7.7	7.7
8 h after light	8.4	6.9	9.9
12 h after light	11.45	10.2	12.7
4 h after dark	7.8	6.0	9.6
8 h after dark	8.25	7.1	9.4
12 h after dark	6.199999999999999	5.8	6.6