condition	mean	min	max
0 h after light	6.9743200000000005	6.89146	7.05718
4 h after light	7.04409	6.08564	8.00254
8 h after light	5.513555	4.20906	6.81805
4 h after dark	7.555664999999999	7.24804	7.86329
8 h after dark	7.652374999999999	6.78723	8.51752
12 h after dark	5.05013	3.51757	6.58269