condition	mean	min	max
0 h after light	5.148275	4.57171	5.72484
4 h after light	9.165690000000001	9.01491	9.31647
8 h after light	6.300835	5.81716	6.78451
4 h after dark	13.7118	13.5232	13.9004
8 h after dark	15.64535	14.2638	17.0269
12 h after dark	10.694075	7.98975	13.3984