condition	mean	min	max
4 h after light	7.976672499999999	7.692383	8.260962
8 h after light	8.4469695	7.225677	9.668262
12 h after light	7.964072999999999	7.667184	8.260962
4 h after dark	8.9496875	8.446746	9.452629
8 h after dark	8.246599	7.811552	8.681646
12 h after dark	8.705496	8.705496	8.705496