condition	mean	min	max
4 h after light	7.3190349999999995	6.7322	7.90587
8 h after light	7.683205	7.6515	7.71491
12 h after light	5.868545	5.66613	6.07096
4 h after dark	9.47005	8.97576	9.96434
8 h after dark	8.1033	7.97742	8.22918
12 h after dark	7.950525	7.59314	8.30791