condition	mean	min	max
0 h after light	8.176459999999999	7.39053	8.96239
4 h after light	12.03435	11.1217	12.947
8 h after light	10.77675	9.2389	12.3146
4 h after dark	9.443625	8.53185	10.3554
8 h after dark	10.324295	9.96039	10.6882
12 h after dark	8.889155	7.89854	9.87977