condition	mean	min	max
4 h after light	4177.0	4177.0	4177.0
8 h after light	4432.0	4080.3	4783.7
12 h after light	4791.1	4646.7	4935.5
4 h after dark	4880.0	4649.6	5110.4
8 h after dark	5970.4	5192.9	6747.9
12 h after dark	4868.45	3285.2	6451.7