condition	mean	min	max
4 h after light	475.1	475.1	475.1
8 h after light	435.75	409.0	462.5
12 h after light	412.25	362.9	461.6
4 h after dark	334.5	219.6	449.4
8 h after dark	325.9	282.6	369.2
12 h after dark	393.6	366.0	421.2