condition	mean	min	max
4 h after light	7.3176950000000005	6.87955	7.75584
8 h after light	6.016019999999999	4.46294	7.5691
12 h after light	5.866625	5.86111	5.87214
4 h after dark	7.26856	7.16522	7.3719
8 h after dark	6.81781	6.31554	7.32008
12 h after dark	6.76851	6.31792	7.2191