condition	mean	min	max
0 h after light	7.505365	7.21222	7.79851
4 h after light	9.688604999999999	9.33171	10.0455
8 h after light	7.56764	6.58414	8.55114
4 h after dark	9.576615	9.10713	10.0461
8 h after dark	7.840365	7.78835	7.89238
12 h after dark	7.281264999999999	6.23077	8.33176