condition	mean	min	max
4 h after light	5.003515	4.30574	5.70129
8 h after light	5.432985	5.01049	5.85548
12 h after light	4.18158	3.58125	4.78191
4 h after dark	5.225586666666667	4.28963	6.30574
8 h after dark	4.0470733333333335	3.93616	4.22901
12 h after dark	4.46432	4.20727	4.74267