condition mean min max 0 h after light 1.440042 0.504114 2.37597 2 h after light 1.694633 0.689036 2.70023 4 h after light 2.27044 2.0732 2.46768 8 h after light 3.20367 3.02103 3.38631 12 h after light 6.922685 3.53307 10.3123 2 h after dark 5.467755 5.04141 5.8941 4 h after dark 3.42163 2.31501 4.52825 8 h after dark 3.48832 3.32341 3.65323 12 h after dark 1.21263 1.10373 1.32153