condition mean min max 0 h after light 0.9328645 0.621169 1.24456 4 h after light 4.358775 4.28707 4.43048 8 h after light 3.327935 3.07276 3.58311 4 h after dark 1.426305 1.42349 1.42912 8 h after dark 1.332385 1.01962 1.64515 12 h after dark 1.314785 0.0 2.62957