condition	mean	min	max
0 h after light	10.54681	9.31142	11.7822
4 h after light	6.81543	6.40276	7.2281
8 h after light	5.599985	4.40363	6.79634
4 h after dark	10.6294	10.0287	11.2301
8 h after dark	10.81045	10.6616	10.9593
12 h after dark	11.27022	9.33594	13.2045