condition mean min max 4 h after light 10.3834605 9.918354 10.848567 8 h after light 9.6991205 9.16295 10.235291 12 h after light 9.7899885 9.207186 10.372791 4 h after dark 9.404234 8.890114 9.918354 8 h after dark 10.5506475 10.284635 10.81666 12 h after dark 9.918354 9.918354 9.918354