condition	mean	min	max
0 h after light	7.44504	7.04658	7.8435
4 h after light	2.230225	1.80121	2.65924
8 h after light	2.48652	2.391	2.58204
4 h after dark	4.8797	4.87008	4.88932
8 h after dark	4.00357	3.34148	4.66566
12 h after dark	7.35426	6.62887	8.07965