condition	mean	min	max
0 h after light	7.23601	6.83285	7.63917
4 h after light	5.1571	4.93434	5.37986
8 h after light	7.249435	6.87361	7.62526
4 h after dark	9.565349999999999	9.17733	9.95337
8 h after dark	8.83251	7.79026	9.87476
12 h after dark	8.788145	8.5144	9.06189