condition mean min max 3 h after light 7.80082 5.01189 10.2561 6 h after light 8.6988 5.71863 11.5691 9 h after light 12.055323333333334 6.49028 19.9155 12 h after light 17.160674999999998 12.0803 23.2928 3 h after dark 23.9391 23.1971 25.1106 6 h after dark 23.260266666666666 20.9598 26.4395 9 h after dark 16.552466666666668 14.7939 18.0392 12 h after dark 13.46395 12.0778 14.8501