condition	mean	min	max
4 h after light	3.8332766666666664	3.8212699999999997	3.85541
8 h after light	3.84116	3.8127199999999997	3.85695
12 h after light	3.8655	3.83195	3.9182099999999997
4 h after dark	3.86926	3.7741599999999997	3.9754400000000003
8 h after dark	3.9314966666666664	3.8450599999999997	4.0733
12 h after dark	3.8836566666666665	3.8716800000000005	3.9045199999999998