condition	mean	min	max
4 h after light	59.6	59.6	59.6
8 h after light	49.05	36.2	61.9
12 h after light	38.4	8.5	68.3
4 h after dark	48.0	6.1	89.9
8 h after dark	60.05	48.9	71.2
12 h after dark	69.0	21.0	117.0