condition	mean	min	max
4 h after light	71.9	71.9	71.9
8 h after light	72.3	51.3	93.3
12 h after light	63.0	35.6	90.4
4 h after dark	15.8	14.8	16.8
8 h after dark	73.5	72.8	74.2
12 h after dark	32.25	14.9	49.6