condition	mean	min	max
4 h after light	7.71501	7.444189999999999	8.03068
8 h after light	7.5615733333333335	7.2804	7.711989999999999
12 h after light	7.62197	7.43456	7.771439999999999
4 h after dark	7.3157	7.2376	7.410989999999999
8 h after dark	7.085796666666667	6.71818	7.33095
12 h after dark	7.081483333333334	6.812880000000001	7.26403