condition	mean	min	max
4 h after light	7.108549999999999	6.97289	7.24421
8 h after light	5.2111350000000005	4.84089	5.58138
12 h after light	10.497209999999999	9.93082	11.0636
4 h after dark	15.6403	15.0309	16.4705
8 h after dark	5.45207	4.21421	6.72317
12 h after dark	7.5111300000000005	7.10931	8.27302