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Oklahoma Tornadoes by Fujita Scale and Month (1950-2013)

Month F? F0 F1 F2 F3 F4 F5 Total
Jan 0 5 4 8 0 1 0 18
Feb 1 10 22 15 2 1 0 51
Mar 4 91 80 60 17 3 1 256
Apr 13 281 232 164 44 17 1 752
May 34 575 449 240 79 28 6 1411
Jun 7 237 146 81 24 3 0 498
Jul 4 38 44 25 2 0 0 113
Aug 4 36 33 13 2 0 0 88
Sep 3 76 24 17 1 2 0 123
Oct 1 60 41 18 7 1 0 128
Nov 1 27 41 17 7 1 0 94
Dec 0 0 9 12 3 0 0 24
Total 72 1435 1125 670 188 57 8 3555
Note: F? refers to tornadoes (-) that did not received a Fujita Scale or Enhanced Fujita Scale rating.

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