condition	mean	min	max
4 h after light	7.96113	7.89905	8.00484
8 h after light	8.042646666666666	7.7292	8.33283
12 h after light	8.12137	7.973839999999999	8.40586
4 h after dark	8.088043333333333	7.869960000000001	8.4581
8 h after dark	8.155853333333333	8.04614	8.36195
12 h after dark	7.9508600000000005	7.86875	8.03373