condition mean min max 2 h after light 0.10985445 0.0 0.19472 6 h after light 0.15736251666666667 0.0407062 0.337804 10 h after light 0.24660385 0.0848871 0.412044 14 h after light 0.2261775 0.087675 0.50791 18 h after light 0.16118325 0.0518285 0.274655 2 h after dark 0.3269553333333333 0.245284 0.495978