condition	mean	min	max
4 h after light	1.38639	1.1293	1.64348
8 h after light	0.8806535	0.731967	1.02934
12 h after light	0.6265145000000001	0.581076	0.671953
4 h after dark	0.8525995	0.846481	0.858718
8 h after dark	1.6308600000000002	1.61715	1.64457
12 h after dark	1.719335	1.63193	1.80674