condition mean min max 4 h after light 24.1639635 24.075374 24.252553 8 h after light 20.8157855 17.984729 23.646842 12 h after light 18.708185999999998 16.027175 21.389197 4 h after dark 21.715960000000003 21.687214 21.744706 8 h after dark 20.2842045 19.179212 21.389197 12 h after dark 18.953191 18.953191 18.953191