condition	mean	min	max
4 h after light	476.9	476.9	476.9
8 h after light	499.7	484.5	514.9
12 h after light	541.15	532.0	550.3
4 h after dark	454.65000000000003	315.1	594.2
8 h after dark	391.75	365.1	418.4
12 h after dark	369.1	359.6	378.6