condition	mean	min	max
4 h after light	10.410384666666667	9.559353999999999	10.901580000000001
8 h after light	4.595811	3.3462379999999996	6.52749
12 h after light	9.209487666666666	6.949263	10.38275
16 h after light	19.37905	17.130670000000002	23.07471
4 h after dark	17.66697	11.97307	24.25959
8 h after dark	8.401300666666668	6.5822460000000005	9.731396