condition	mean	min	max
4 h after light	578.3	578.3	578.3
8 h after light	560.4	536.0	584.8
12 h after light	585.25	520.4	650.1
4 h after dark	485.75	391.9	579.6
8 h after dark	430.05	399.1	461.0
12 h after dark	431.95	400.4	463.5