condition	mean	min	max
4 h after light	19.970947	18.243605	21.698289
8 h after light	16.314572	15.996883	16.632261
12 h after light	14.4387325	13.857431	15.020034
4 h after dark	14.764406000000001	14.37911	15.149702
8 h after dark	12.591105500000001	9.7958	15.386411
12 h after dark	19.626145	19.626145	19.626145