condition	mean	min	max
0 h after light	7.278090000000001	6.85158	7.7046
4 h after light	6.280535	6.01206	6.54901
8 h after light	5.0238700000000005	4.97298	5.07476
4 h after dark	6.386620000000001	5.94831	6.82493
8 h after dark	6.330690000000001	6.09707	6.56431
12 h after dark	7.20796	6.72167	7.69425