condition	mean	min	max
4 h after light	10.380095	9.28099	11.4792
8 h after light	7.19065	6.45869	7.92261
12 h after light	10.07935	6.6964	13.4623
4 h after dark	9.069995	8.57956	9.56043
8 h after dark	7.427200000000001	6.81796	8.03644
12 h after dark	7.427429999999999	5.07955	9.77531