condition	mean	min	max
0 h after light	9.335085	9.07447	9.5957
4 h after light	6.80165	5.65047	7.95283
8 h after light	4.033379999999999	3.07909	4.98767
4 h after dark	9.92602	7.92204	11.93
8 h after dark	7.723145	6.50906	8.93723
12 h after dark	6.971675	6.89491	7.04844