condition	mean	min	max
0 h after light	3.880535	3.7519	4.00917
4 h after light	7.338150000000001	6.96677	7.70953
8 h after light	8.236335	7.19284	9.27983
4 h after dark	6.153180000000001	5.98071	6.32565
8 h after dark	5.40953	4.9684	5.85066
12 h after dark	3.75694	2.81015	4.70373