condition mean min max 4 h after light 18.7855 16.5696 21.0014 8 h after light 13.430050000000001 12.0363 14.8238 12 h after light 17.2391 15.1447 19.3335 4 h after dark 28.5921 25.3769 31.0452 8 h after dark 28.170166666666667 27.6966 28.5893 12 h after dark 23.645266666666664 20.9833 24.9839