condition	mean	min	max
4 h after light	563.0	563.0	563.0
8 h after light	533.5	451.4	615.6
12 h after light	519.95	502.5	537.4
4 h after dark	327.05	224.8	429.3
8 h after dark	228.5	211.1	245.9
12 h after dark	255.8	211.5	300.1