condition	mean	min	max
4 h after light	519.9725000000001	511.437	528.508
8 h after light	305.4285	305.225	305.632
12 h after light	240.808	228.118	253.498
4 h after dark	177.817	176.849	178.785
8 h after dark	199.08249999999998	194.028	204.137
12 h after dark	294.3745	288.789	299.96