condition	mean	min	max
0 h after light	6.285304999999999	5.67686	6.89375
4 h after light	8.88593	8.87238	8.89948
8 h after light	7.090365	6.46608	7.71465
4 h after dark	9.219165	8.73384	9.70449
8 h after dark	10.53155	10.3757	10.6874
12 h after dark	7.168075	6.407	7.92915