condition	mean	min	max
0 h after light	9.877455000000001	9.37481	10.3801
4 h after light	8.781414999999999	8.51334	9.04949
8 h after light	8.924335	8.05455	9.79412
4 h after dark	12.139700000000001	11.6302	12.6492
8 h after dark	9.632275	8.33075	10.9338
12 h after dark	7.894455	5.66661	10.1223