condition	mean	min	max
4 h after light	4555.4	4555.4	4555.4
8 h after light	4471.1	4024.8	4917.4
12 h after light	5390.5	4368.4	6412.6
4 h after dark	4812.15	3777.2	5847.1
8 h after dark	3831.1	3691.2	3971.0
12 h after dark	3681.75	3558.5	3805.0