condition	mean	min	max
0 h after light	13.6018	10.5043	16.6993
4 h after light	6.0309550000000005	5.93557	6.12634
8 h after light	5.66554	4.61061	6.72047
4 h after dark	10.12631	9.57302	10.6796
8 h after dark	15.170850000000002	15.0425	15.2992
12 h after dark	11.723315	9.48463	13.962