condition	mean	min	max
4 h after light	473.1	473.1	473.1
8 h after light	571.0	557.0	585.0
12 h after light	757.9	697.4	818.4
4 h after dark	779.0	601.6	956.4
8 h after dark	800.05	798.2	801.9
12 h after dark	726.55	493.0	960.1