condition	mean	min	max
4 h after light	8.73791	8.423623	9.052197
8 h after light	7.619482	7.544848	7.694116
12 h after light	7.0153490000000005	6.937451	7.093247
4 h after dark	7.4933985	7.460041	7.526756
8 h after dark	7.5464025	7.093247	7.999558
12 h after dark	9.290834	9.290834	9.290834