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

Month F? F0 F1 F2 F3 F4 F5 Weak Str. Vio Sig. Total
Jan 0 5 4 8 0 1 0 9 8 1 9 18
Feb 1 10 22 15 2 1 0 32 17 1 18 51
Mar 4 91 80 60 17 3 1 171 77 4 81 256
Apr 13 279 231 166 44 17 1 510 210 18 228 751
May 34 576 448 239 79 28 6 1024 318 34 353 1410
Jun 7 237 146 81 24 3 0 383 105 3 108 498
Jul 4 38 44 25 2 0 0 82 27 0 27 113
Aug 4 36 33 13 2 0 0 69 15 0 15 88
Sep 3 76 24 17 1 2 0 100 18 2 20 123
Oct 1 59 43 18 7 1 0 102 25 1 26 129
Nov 1 27 41 17 7 1 0 68 24 1 25 94
Dec 0 0 9 12 3 0 0 9 15 0 15 24
Total 72 1434 1125 671 188 57 8 2559 859 65 923 3555
Note: F? refers to tornadoes (-) that did not received a Fujita Scale or Enhanced Fujita Scale rating.

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