condition	mean	min	max
4 h after light	648.1	648.1	648.1
8 h after light	514.65	476.8	552.5
12 h after light	464.6	451.3	477.9
4 h after dark	630.3	502.1	758.5
8 h after dark	794.55	720.5	868.6
12 h after dark	928.25	908.6	947.9