condition	mean	min	max
0 h after light	8.05732	7.88344	8.2312
4 h after light	3.2333350000000003	2.84632	3.62035
8 h after light	1.061051	0.878812	1.24329
4 h after dark	7.978955000000001	6.65204	9.30587
8 h after dark	13.17375	12.2407	14.1068
12 h after dark	8.434305	7.5402	9.32841