condition mean min max 0 h after light 0.3160255 0.27548 0.356571 2 h after light 0.263593 0.248372 0.278814 4 h after light 0.259737 0.168431 0.351043 8 h after light 1.549735 1.44543 1.65404 12 h after light 2.008085 1.60906 2.40711 2 h after dark 1.78636 1.75761 1.81511 4 h after dark 0.6214925 0.55602 0.686965 8 h after dark 0.580205 0.507972 0.652438 12 h after dark 0.2873075 0.235248 0.339367