condition	mean	min	max
3 h after light	7.136146666666667	6.30825	7.75977
6 h after light	6.18867	5.32137	7.50175
9 h after light	7.944540000000001	7.33534	8.34584
12 h after light	7.61111	6.15367	8.66785
3 h after dark	3.7384833333333334	2.91105	4.80497
6 h after dark	5.82147	3.12404	8.47608
9 h after dark	4.04361	2.35239	5.87055
12 h after dark	1.7559966666666667	1.24451	2.27336