Measuring snow
Airman Jackson Calloway and Staff Sgt. Anna Harris, 319th Operations Support Squadron Weather Flight weather forecasters, measure the snow on Grand Forks Air Force Base, North Dakota, Jan. 29, 2016. Grand Forks receives an average of 40 inches of snow each winter, but the expected amount for this winter is 25 inches. (U.S. Air Force photo by Senior Airman Bonnie Grantham/released)