condition	mean	min	max
4 h after light	8.55256	6.20628	10.5932
8 h after light	8.26718	2.02641	15.0186
12 h after light	9.542176666666666	5.98758	13.5355
4 h after dark	11.110993333333333	6.73558	16.0927
8 h after dark	11.252516666666667	8.92305	14.223
12 h after dark	13.035499999999999	10.4118	16.8585