condition	mean	min	max
4 h after light	7578.0	7578.0	7578.0
8 h after light	7423.5	6974.2	7872.8
12 h after light	6830.95	6052.9	7609.0
4 h after dark	5395.950000000001	4378.6	6413.3
8 h after dark	5109.3	4557.6	5661.0
12 h after dark	5908.450000000001	5588.8	6228.1