condition	mean	min	max
4 h after light	8.287605	7.4298	9.14541
8 h after light	6.382115000000001	6.25185	6.51238
12 h after light	8.51941	8.10248	8.93634
4 h after dark	10.78105	10.5792	10.9829
8 h after dark	9.993125	9.03635	10.9499
12 h after dark	9.165665	8.92652	9.40481