condition mean min max 0 h after light 0.536659 0.358198 0.71512 4 h after light 0.364327 0.0 0.728654 8 h after light 0.535738 0.363974 0.707502 4 h after dark 0.879312 0.705114 1.05351 8 h after dark 1.414545 1.40861 1.42048 12 h after dark 0.7063820000000001 0.698604 0.71416