condition	mean	min	max
0 h after light	10.404515	9.91353	10.8955
4 h after light	8.50891	8.14801	8.86981
8 h after light	13.39805	12.8561	13.94
4 h after dark	13.03145	12.0243	14.0386
8 h after dark	10.97695	10.14	11.8139
12 h after dark	9.82921	9.27672	10.3817