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Oklahoma Tornadoes by Fujita Scale and Month (1950-2015)

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 96 80 62 17 3 1 176 79 4 83 263
Apr 13 285 235 165 44 17 1 520 209 18 227 760
May 34 626 475 246 83 28 6 1101 329 34 363 1498
Jun 7 242 147 81 24 3 0 389 105 3 108 504
Jul 4 38 47 25 2 0 0 85 27 0 27 116
Aug 4 36 33 13 2 0 0 69 15 0 15 88
Sep 3 77 24 17 1 2 0 101 18 2 20 124
Oct 1 60 42 18 7 1 0 102 25 1 26 129
Nov 1 29 47 18 7 1 0 76 25 1 26 103
Dec 0 2 10 13 3 0 0 12 16 0 16 28
Total 72 1506 1166 681 192 57 8 2672 873 65 938 3682
Note: F? refers to tornadoes (-) that did not received a Fujita Scale or Enhanced Fujita Scale rating.

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