condition	mean	min	max
4 h after light	70.4	70.4	70.4
8 h after light	56.3	28.5	84.1
12 h after light	31.95	9.5	54.4
4 h after dark	35.3	7.1	63.5
8 h after dark	65.8	43.6	88.0
12 h after dark	51.2	44.6	57.8