condition	mean	min	max
4 h after light	7.3787965	6.718179	8.039414
8 h after light	7.881467499999999	7.6026	8.160335
12 h after light	6.603697	6.302029	6.905365
4 h after dark	8.4898935	8.292837	8.68695
8 h after dark	7.421768	7.171649	7.671887
12 h after dark	7.820455	7.820455	7.820455