condition	mean	min	max
0 h after light	6.26633	6.23119	6.30147
4 h after light	6.044225000000001	5.51064	6.57781
8 h after light	5.301955	5.15225	5.45166
4 h after dark	6.194335000000001	5.29356	7.09511
8 h after dark	6.42837	6.19019	6.66655
12 h after dark	5.963075	5.87486	6.05129