condition	mean	min	max
4 h after light	5.30779	4.25995	6.35563
8 h after light	5.264435000000001	4.77421	5.75466
12 h after light	5.94794	5.69023	6.20565
4 h after dark	6.06626	5.83481	6.29771
8 h after dark	6.47583	6.22017	6.73149
12 h after dark	6.217280000000001	5.89722	6.53734