condition mean min max 1 h after light 7.229422447 6.087930097999999 8.370914796000001 3 h after light 9.240338360333332 8.136639393 11.15273287 5 h after light 12.08200903 10.85296088 12.84061856 7 h after light 14.593936126666666 13.56727866 16.10869094 9 h after light 13.232382376666667 11.6865814 15.09427915 11 h after light 12.401960013333333 10.232291199999999 14.51663811 13 h after light 15.5858778 11.63214432 18.16814729 15 h after light 13.89815027 11.32595504 15.80833219 1 h after dark 16.88591669 15.19234382 18.49128419 3 h after dark 14.728495856666667 12.52963002 15.98216826 5 h after dark 12.037581273333334 11.74920093 12.407459 7 h after dark 17.2652268 15.10679578 18.849339699999998