condition mean min max 4 h after light 108.957 102.301 115.613 8 h after light 132.1915 112.491 151.892 12 h after light 73.9145 65.5392 82.2898 4 h after dark 114.101 105.271 122.931 8 h after dark 81.72775 72.9179 90.5376 12 h after dark 108.0975 107.977 108.218