condition	mean	min	max
2 h after light	13.208318333333334	8.51162	17.8256
6 h after light	11.12163	8.42979	15.6769
10 h after light	9.648846666666667	8.46374	11.8849
14 h after light	7.8105883333333335	6.93634	8.97335
18 h after light	9.210763333333333	6.29061	11.9501
2 h after dark	8.61603	6.63475	10.9295