condition	mean	min	max
4 h after light	9.2	9.2	9.2
8 h after light	14.2	13.0	15.4
12 h after light	9.45	8.4	10.5
4 h after dark	11.65	9.8	13.5
8 h after dark	14.1	14.1	14.1
12 h after dark	9.15	8.3	10.0