condition	mean	min	max
4 h after light	12.4434455	11.166679	13.720212
8 h after light	13.6142415	12.699232	14.529251
12 h after light	18.2583325	13.050705	23.46596
4 h after dark	11.5183045	9.985904	13.050705
8 h after dark	14.846982	13.552396	16.141568
12 h after dark	11.255554	11.255554	11.255554