condition mean min max 0 h after light 1.276039 0.830198 1.72188 4 h after light 0.8880015 0.437263 1.33874 8 h after light 1.192685 1.06464 1.32073 4 h after dark 1.57746 1.39667 1.75825 8 h after dark 1.1691215 0.758703 1.57954 12 h after dark 1.4604849999999998 1.39519 1.52578