condition	mean	min	max
4 h after light	40.2	40.2	40.2
8 h after light	23.8	14.5	33.1
12 h after light	15.8	7.9	23.7
4 h after dark	21.25	19.6	22.9
8 h after dark	16.45	1.5	31.4
12 h after dark	31.85	27.8	35.9