condition	mean	min	max
4 h after light	9.147815	7.96753	10.3281
8 h after light	6.807425	6.68546	6.92939
12 h after light	8.32684	8.15988	8.4938
4 h after dark	9.352576666666666	8.82321	9.76814
8 h after dark	11.547633333333334	10.9536	12.1207
12 h after dark	9.06658	8.91364	9.17863