condition	mean	min	max
0 h after light	7.835585	6.7977	8.87347
4 h after light	13.1283	10.0353	16.2213
8 h after light	8.879695	7.17299	10.5864
4 h after dark	8.475774999999999	8.20224	8.74931
8 h after dark	11.110009999999999	8.48222	13.7378
12 h after dark	10.91799	7.55838	14.2776