condition	mean	min	max
4 h after light	505.5	505.5	505.5
8 h after light	475.45	468.0	482.9
12 h after light	292.45	141.6	443.3
4 h after dark	238.5	171.1	305.9
8 h after dark	256.2	191.9	320.5
12 h after dark	316.15	296.8	335.5