condition	mean	min	max
4 h after light	8.856889	7.854219	9.859559
8 h after light	9.0409995	8.744779	9.33722
12 h after light	9.10712	9.088594	9.125646
4 h after dark	9.259827	8.128342	10.391312
8 h after dark	9.8729495	9.264597	10.481302
12 h after dark	8.810229	8.810229	8.810229