A ruler sitting in a snowbank with the snow up to the 9 inch level.
A wooden ruled placed in a snow bank with the numbers 10 through 13 visible.
The bottom half of a wooden ruler with thirteen at the top
A ruler showing that there is snow piled up to nearly the 10 inch mark.
A ruler that is showing that the snow is over nine inches deep because we see that the numbers 10, 11, 12 and 13 are showing.