condition	mean	min	max
4 h after light	6.8	6.8	6.8
8 h after light	7.75	2.7	12.8
12 h after light	17.45	2.0	32.9
4 h after dark	13.350000000000001	9.1	17.6
8 h after dark	13.85	2.5	25.2
12 h after dark	5.25	5.0	5.5