condition mean min max 4 h after light 69.44815 65.1598 73.7365 8 h after light 51.263850000000005 50.8421 51.6856 12 h after light 44.320750000000004 43.7276 44.9139 4 h after dark 35.52975 29.9498 41.1097 8 h after dark 46.784850000000006 46.3286 47.2411 12 h after dark 52.71955 52.6341 52.805