Statistics for occurrence #1 of “commanding Fort Sumter” in chapter 13 of Daniel Ammen, Confederate Military History, a library of Confederate States Military History: Volume 7.2, The Atlantic Coast:

...econds; charges: XV-inch, 35 pounds; Xi-inch, 15 to 20 pounds; rifles, 46 pounds. Moultrie received 12 shots, Wagner 2, Sumter the remainder, which was struck 55 times. note.—Colonel Rhett. commanding Fort Sumter , reports that no monitor approached nearer than 1,000 yards; the Keokuk to within 900 yards; Ironsides, 1,700 yards. Beauregard reports that the fleet did not come nearer than 1,100 yards to outer ba...
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