condition	mean	min	max
4 h after light	5488.5	5488.5	5488.5
8 h after light	5265.05	5234.3	5295.8
12 h after light	5037.75	4947.1	5128.4
4 h after dark	4458.25	4397.1	4519.4
8 h after dark	4132.15	3161.1	5103.2
12 h after dark	4935.0	4815.4	5054.6