condition	mean	min	max
0 h after light	8.748595	8.56411	8.93308
4 h after light	17.5101	13.9958	21.0244
8 h after light	18.057299999999998	17.0133	19.1013
4 h after dark	34.1719	33.3956	34.9482
8 h after dark	28.9815	27.3399	30.6231
12 h after dark	9.39738	8.91443	9.88033