condition mean min max 4 h after light 49.023096499999994 30.514299 67.531894 8 h after light 59.8549555 51.548397 68.161514 12 h after light 43.8788565 33.608744 54.148969 4 h after dark 33.645186 28.387803 38.902569 8 h after dark 20.1314585 19.927842 20.335075 12 h after dark 26.226168 26.226168 26.226168