Sanborn County received 1.19 inches of precipitation for the month of December, as recorded by the county Extension Office. Average December moisture for the county is just 0.5 of an inch.
The 2015 total precip received was 24.35 inches. The average yearly moisture for Sanborn County is 23.15 inches, putting the county 1.2 inches ahead of normal at the end of 2015.