condition	mean	min	max
4 h after light	7.67875	7.44746	7.86862
8 h after light	7.69333	7.481669999999999	7.83615
12 h after light	7.55356	7.48459	7.64675
4 h after dark	7.7072433333333334	7.37069	7.99257
8 h after dark	7.645813333333333	7.605689999999999	7.69753
12 h after dark	7.8413699999999995	7.7195	8.01061