condition	mean	min	max
0 h after light	8.330825	7.87342	8.78823
4 h after light	3.4778450000000003	3.17002	3.78567
8 h after light	1.397825	1.38189	1.41376
4 h after dark	3.833945	2.80688	4.86101
8 h after dark	5.300465	5.1369	5.46403
12 h after dark	7.13439	6.49129	7.77749