condition mean min max 4 h after light 14.655187999999999 14.038959 15.271417 8 h after light 14.216868999999999 11.828802 16.604936 12 h after light 15.517044 14.636385 16.397703 4 h after dark 12.395284499999999 12.030882 12.759687 8 h after dark 13.1865115 13.0637 13.309323 12 h after dark 19.272296 19.272296 19.272296