condition	mean	min	max
4 h after light	586.0	586.0	586.0
8 h after light	509.6	503.3	515.9
12 h after light	541.15	426.2	656.1
4 h after dark	594.7	475.5	713.9
8 h after dark	579.95	341.0	818.9
12 h after dark	475.85	466.2	485.5