condition	mean	min	max
4 h after light	9.1	9.1	9.1
8 h after light	12.1	10.1	14.1
12 h after light	8.4	3.4	13.4
4 h after dark	13.0	8.5	17.5
8 h after dark	11.9	9.0	14.8
12 h after dark	13.15	10.5	15.8