condition	mean	min	max
4 h after light	11.672049999999999	11.5955	11.7486
8 h after light	7.929245	7.72127	8.13722
12 h after light	6.42075	5.9467	6.8948
4 h after dark	6.7580849999999995	5.97643	7.53974
8 h after dark	6.419544999999999	6.01364	6.82545
12 h after dark	9.21761	8.75575	9.67947