condition	mean	min	max
0 h after light	1.5097800000000001	1.43783	1.58173
4 h after light	1.540815	1.52213	1.5595
8 h after light	1.45206	1.2523	1.65182
4 h after dark	1.729875	1.52469	1.93506
8 h after dark	1.5505550000000001	1.38472	1.71639
12 h after dark	1.402155	1.31634	1.48797