condition	mean	min	max
4 h after light	1.2598	1.22524	1.29436
8 h after light	1.14948	1.07798	1.22098
12 h after light	1.044698	0.951306	1.13809
4 h after dark	1.62039	1.41632	1.73878
8 h after dark	1.6347666666666667	1.32236	1.86627
12 h after dark	1.6235066666666667	1.37948	1.76812