condition	mean	min	max
4 h after light	4454.7	4454.7	4454.7
8 h after light	5154.85	3737.7	6572.0
12 h after light	7173.75	5982.1	8365.4
4 h after dark	6890.85	6481.0	7300.7
8 h after dark	5147.15	4756.7	5537.6
12 h after dark	3717.2	3546.2	3888.2