condition	mean	min	max
0 h after light	7.419005	7.24844	7.58957
4 h after light	6.22772	5.61227	6.84317
8 h after light	7.773675000000001	6.83655	8.7108
4 h after dark	7.395655	6.99823	7.79308
8 h after dark	6.885035	6.83292	6.93715
12 h after dark	7.0443	6.44093	7.64767