condition	mean	min	max
4 h after light	9.7	9.7	9.7
8 h after light	49.4	40.0	58.8
12 h after light	20.55	17.6	23.5
4 h after dark	78.45	51.1	105.8
8 h after dark	86.35	69.9	102.8
12 h after dark	114.85	102.9	126.8