condition mean min max 2 h after light 7.519386666666667 3.60467 15.2324 6 h after light 23.313145 8.08247 50.0595 10 h after light 26.2856 8.7272 54.0903 14 h after light 33.25576 6.29856 85.1185 18 h after light 19.21382 7.8804 46.5229 2 h after dark 9.543021666666666 3.62792 24.0858