condition	mean	min	max
4 h after light	117.4	117.4	117.4
8 h after light	93.8	67.3	120.3
12 h after light	81.05	67.1	95.0
4 h after dark	68.8	38.5	99.1
8 h after dark	34.1	12.9	55.3
12 h after dark	84.25	80.1	88.4