condition	mean	min	max
4 h after light	8.060668	8.060668	8.060668
8 h after light	8.24221	8.097094	8.387326
12 h after light	8.3384795	7.860909	8.81605
4 h after dark	7.983182	7.955003	8.011361
8 h after dark	8.0809355	8.040456	8.121415
12 h after dark	6.868632	6.868632	6.868632