condition	mean	min	max
4 h after light	4385.2	4385.2	4385.2
8 h after light	4193.85	4169.9	4217.8
12 h after light	4716.15	4375.0	5057.3
4 h after dark	5423.7	4837.5	6009.9
8 h after dark	6192.75	5661.0	6724.5
12 h after dark	5387.9	4705.4	6070.4