condition mean min max 0 h after light 11.29855 10.7764 11.8207 2 h after light 12.03255 10.8977 13.1674 4 h after light 8.06226 7.73093 8.39359 8 h after light 8.933055 7.65351 10.2126 12 h after light 16.79435 15.4668 18.1219 2 h after dark 15.82825 15.2943 16.3622 4 h after dark 10.970500000000001 10.717 11.224 8 h after dark 12.47105 12.0946 12.8475 12 h after dark 11.05232 9.47114 12.6335