condition mean min max 0 h after light 31.2213 29.515 32.9276 4 h after light 11.464465 9.25913 13.6698 8 h after light 0.8391500000000001 0.682828 0.995472 4 h after dark 3.464585 2.97634 3.95283 8 h after dark 17.9057 16.3223 19.4891 12 h after dark 27.8949 25.9795 29.8103