condition	mean	min	max
4 h after light	6928.9	6928.9	6928.9
8 h after light	7614.9	6522.3	8707.5
12 h after light	5808.9	2779.5	8838.3
4 h after dark	3951.6	3700.3	4202.9
8 h after dark	4687.85	4616.8	4758.9
12 h after dark	5883.4	5863.6	5903.2