condition mean min max 4 h after light 5.788880000000001 5.30778 6.26998 8 h after light 4.47382 4.32952 4.61812 12 h after light 5.46782 5.12191 5.81373 4 h after dark 7.846864999999999 7.57853 8.1152 8 h after dark 5.92149 5.85308 5.9899 12 h after dark 6.478565 6.43586 6.52127