condition	mean	min	max
4 h after light	8.8	8.8	8.8
8 h after light	21.4	4.4	38.4
12 h after light	9.45	7.3	11.6
4 h after dark	8.35	6.2	10.5
8 h after dark	28.7	9.4	48.0
12 h after dark	14.15	8.5	19.8