condition	mean	min	max
4 h after light	13.3	13.3	13.3
8 h after light	85.95	79.7	92.2
12 h after light	75.75	69.8	81.7
4 h after dark	82.5	71.4	93.6
8 h after dark	37.8	31.5	44.1
12 h after dark	51.75	50.3	53.2