condition mean min max 0 h after light 20.33885 20.0921 20.5856 4 h after light 19.255899999999997 19.141 19.3708 8 h after light 20.02055 19.3355 20.7056 4 h after dark 25.2262 24.4629 25.9895 8 h after dark 22.9485 21.4938 24.4032 12 h after dark 21.4717 19.9192 23.0242