condition	mean	min	max
4 h after light	13.5899	11.2497	15.9301
8 h after light	14.59985	14.3539	14.8458
12 h after light	15.547799999999999	14.5512	16.5444
4 h after dark	18.350533333333335	18.0451	18.7631
8 h after dark	19.4865	18.7683	20.0254
12 h after dark	14.771	14.0507	15.3769