condition	mean	min	max
4 h after light	8.4764765	8.083449	8.869504
8 h after light	7.5846219999999995	7.268868	7.900376
12 h after light	7.8681485	7.795417	7.94088
4 h after dark	7.855733000000001	7.47796	8.233506
8 h after dark	8.2073855	7.599346	8.815425
12 h after dark	6.759453	6.759453	6.759453