| Date | Count | # tornadoes | #deaths | #injuries | #killers | #F2+ | #F4/5 | $$ (M) | duration | tor dens | # 400 yds | path length | # states | gap (hr) | Impact | Impact | |
| Rank | (h) | ( per hr) | Index | Rank | |||||||||||||
| 5/29-31/2004 | 1 | 170 | 5 | 51 | 3 | 16 | 1 | 75.7 | 35.15 | 4.6 | 13 | 509 | 16 | 4.9 | 28.39387 | 7 | |
| 4/3-4/74 | 2 | 147 | 307 | 5454 | 48 | 95 | 30 | 1500 | 24 | 6.2 | 28 | 2521 | 13 | 5 | 83.51843 | 1 | |
| 1/21-22/99 | 3 | 129 | 9 | 162 | 5 | 28 | 1 | 91 | 28.5 | 4.8 | 17 | 754 | 9 | 28.29948 | 8 | ||
| 5/3-4/99 | 4 | 119 | 47 | 865 | 8 | 31 | 5 | 2400 | 26.8 | 4.4 | 13 | 686 | 8 | 4 | 38.73197 | 4 | |
| 5/6-8/2003 | 5 | 110 | 2 | 66 | 1 | 11 | 1 | 36.2 | 53.5 | 2.06 | 9 | 457 | 15 | 5.05 | 19.69333 | 26 | |
| 11/21-23/92 | 6 | 105 | 26 | 638 | 10 | 57 | 9 | 713 | 39.6 | 2.7 | 26 | 1227 | 13 | 41.16024 | 3 | ||
| 5/4-5/2003 | 7 | 102 | 38 | 348 | 7 | 26 | 4 | 407 | 31.85 | 3.2 | 13 | 726 | 11 | 3.17 | 27.33568 | 9 | |
| 9/5-8/2004 | 8 | 101 | 0 | 13 | 0 | 6 | 0 | 4.8 | 77.87 | 1.3 | 9 | 211 | 6 | 5.33 | 13.62521 | 44 | |
| 5/26-29/73 | 9 | 99 | 21 | 790 | 8 | 47 | 4 | 274 | 73 | 1.4 | 10 | 856 | 17 | 5.5 | 29.06014 | 6 | |
| 6/24/2003 | 10 | 95 | 0 | 12 | 0 | 10 | 1 | 29.59 | 8.7 | 10.9 | 5 | 133 | 5 | 2.75 | 20.90337 | 23 | |
| 11/23-24/2004 | 11 | 93 | 4 | 39 | 4 | 17 | 0 | 34.1 | 26.17 | 3.55 | 12 | 494 | 6 | 2.77 | 19.21071 | 30 | |
| 5/9-11/2003 | 12 | 92 | 1 | 92 | 1 | 17 | 0 | 70.1 | 42.02 | 2.19 | 7 | 546 | 12 | 4.58 | 17.98395 | 34 | |
| 9/24-25/2005 | 13 | 90 | 1 | 23 | 1 | 11 | 0 | 14.67 | 36.45 | 2.47 | 3 | 319 | 4 | 3.5 | 12.45219 | 50 | |
| 5/5-6/2007 | 14 | 89 | 1 | 23 | 1 | 17 | 0 | 10.8 | 22.42 | 3.97 | 11 | 452 | 7 | 18.65203 | 33 | ||
| 9/20-21/67 | 15 | 89 | 5 | 39 | 2 | 9 | 0 | 4 | 40.5 | 2.3 | 0 | 104 | 1 | 1 | 9.362848 | 60 | |
| 5/15-16/2003 | 16 | 87 | 0 | 3 | 0 | 11 | 0 | 16.7 | 29.6 | 2.9 | 6 | 314 | 5 | 4.2 | 13.87016 | 43 | |
| 2/5-6/2008 | 17 | 86 | 57 | 425 | 10 | 29 | 5 | 511 | 15.23 | 5.84 | 16 | 644 | 10 | 31.05905 | 5 | ||
| 11/9-11/2002 | 18 | 82 | 36 | 303 | 12 | 30 | 1 | 191 | 33.3 | 2.5 | 18 | 673 | 14 | < 5� | 26.90745 | 10 | |
| 4/9-10/2009 | 19 | 82 | 5 | 146 | 2 | 20 | 1 | 280 | 24.28 | 3.38 | 17 | 585 | 10 | 23.40578 | 19 | ||
| 5/23/2008 | 20 | 82 | 2 | 6 | 1 | 17 | 1 | 5.3 | 8.17 | 10.04 | 20 | 471 | 5 | 26.80312 | 11 | ||
| 5/10-11/2008 | 21 | 78 | 24 | 408 | 3 | 20 | 2 | 215.4 | 27.42 | 2.84 | 18 | 457 | 12 | 24.01579 | 18 | ||
| 4/19-20/96 | 22 | 78 | 1 | 115 | 1 | 22 | 0 | 98 | 24.4 | 3.3 | 12 | 261 | 11 | 3.5 | 19.2246 | 29 | |
| 5/18-19/95 | 23 | 76 | 4 | 182 | 2 | 21 | 2 | 37 | 21.6 | 3.5 | 2 | 322 | 10 | 16.24127 | 37 | ||
| 3/11-13/2006 | 24 | 74 | 10 | 177 | 6 | 27 | 1 | 100.1 | 33.4 | 2.2 | 13 | 903 | 5 | 20.74257 | 24 | ||
| 6/2/1990 | 25 | 71 | 9 | 253 | 4 | 34 | 8 | 222 | 12.3 | 5.8 | 5 | 558 | 9 | 24.31539 | 16 | ||
| 5/11-12/82 | 26 | 71 | 2 | 90 | 1 | 16 | 0 | 262 | 33.25 | 2.3 | 4 | 278 | 4 | 5 | 13.06618 | 47 | |
| 4/2-3/82 | 27 | 69 | 30 | 433 | 10 | 37 | 5 | 289 | 13.92 | 4.96 | 10 | 443 | 12 | 3.83 | 26.47012 | 12 | |
| 3/20-21/76 | 28 | 68 | 3 | 189 | 3 | 29 | 3 | 55 | 24.5 | 2.7 | 6 | 492 | 17 | 5.6 | 20.55252 | 25 | |
| 11/23-24/2001 | 29 | 66 | 13 | 219 | 6 | 24 | 3 | 53 | 26 | 2.5 | 11 | 453 | 8 | 19.20207 | 31 | ||
| 4/2/2006 | 30 | 66 | 27 | 348 | 5 | 14 | 0 | 192.9 | 7.72 | 8.5 | 6 | 353 | 7 | 21.08021 | 22 | ||
| 6/16/1992 | 31 | 65 | 1 | 64 | 1 | 34 | 2 | 147 | 9.8 | 6.6 | 1 | 263 | 4 | 17.54844 | 35 | ||
| 9/17/2004 | 32 | 63 | 0 | 18 | 0 | 14 | 0 | 70 | 15.08 | 4.31 | 2 | 216 | 5 | 5.07 | 12.50004 | 49 | |
| 10/17-19/2007 | 33 | 62 | 5 | 28 | 3 | 17 | 0 | 54.5 | 38.92 | 1.59 | 7 | 242 | 13 | 5.6 | 14.83657 | 41 | |
| 4/26-27/94 | 34 | 61 | 3 | 84 | 1 | 10 | 1 | 71.5 | 23 | 2.7 | 5 | 186 | 8 | 12.92398 | 48 | ||
| 3/28/2007 | 35 | 60 | 5 | 12 | 3 | 13 | 0 | 13.07 | 7.32 | 8.2 | 9 | 406 | 6 | 19.46613 | 28 | ||
| 5/8/1988 | 36 | 60 | 0 | 10 | 0 | 16 | 0 | 204 | 8 | 7.5 | 1 | 501 | 4 | 4 | 16.48361 | 36 | |
| 4/26-27/91 | 37 | 59 | 21 | 313 | 5 | 31 | 5 | 590 | 19.4 | 3 | 7 | 509 | 7 | 4.6 | 21.56475 | 21 | |
| 3/13-14/1990 | 38 | 59 | 2 | 88 | 2 | 29 | 4 | 543 | 9.3 | 6.3 | 8 | 795 | 7 | 4.1 | 24.3648 | 15 | |
| 5/22/2004 | 39 | 59 | 1 | 38 | 1 | 4 | 1 | 174.5 | 9 | 6.6 | 5 | 187 | 5 | 1.2 | 15.1924 | 40 | |
| 9/15-16/2004 | 40 | 58 | 7 | 23 | 4 | 4 | 0 | 18.8 | 31.05 | 1.87 | 5 | 209 | 4 | 3.9 | 9.970514 | 59 | |
| 6/8/1993 | 41 | 57 | 0 | 2 | 0 | 2 | 0 | 0.3 | 17.3 | 3.3 | 2 | 154 | 9 | 3.6 | 10.56812 | 56 | |
| 2/28-3/2/2007 | 42 | 56 | 20 | 98 | 6 | 16 | 3 | 417.5 | 37.13 | 1.5 | 12 | 404 | 12 | 19.58415 | 27 | ||
| others | |||||||||||||||||
| 4/7-8/2006 | 43 | 56 | 10 | 144 | 3 | 6 | 0 | 104.3 | 16.5 | 3.4 | 2 | 207 | 7 | 11.78415 | 53 | ||
| 4/8/1999 | 44 | 54 | 6 | 100 | 3 | 16 | 3 | 125 | 28 | 1.93 | 9 | 500 | 6 | 4.38 | 15.69066 | 38 | |
| 4/11-12/65 | 52 | 260 | 3442 | 23 | 37 | 22 | 1191 | 15.6 | 3.3 | 10 | 1043 | 7 | 44.2318 | 2 | |||
| 5/25-27/65 | 52 | 0 | 48 | 0 | 16 | 0 | 2.7 | 38 | 1.4 | 2 | 225 | 14 | 4.6 | 11.85113 | 52 | ||
| 5/24/2004 | 52 | 1 | 3 | 1 | 2 | 0 | 17.3 | 9.1 | 5.7 | 1 | 74 | 6 | 3 | 11.10923 | 54 | ||
| 1/7-8/2008 | 50 | 4 | 45 | 2 | 8 | 0 | 66.7 | 27.83 | 1.8 | 3 | 326 | 7 | 10.48035 | 57 | |||
| 11/27-28/2005 | 50 | 2 | 15 | 2 | 8 | 0 | 7.1 | 12.13 | 4.1 | 4 | 294 | 5 | 2.3 | 11.90231 | 51 | ||
| 11/15/2005 | 49 | 1 | 98 | 1 | 11 | 1 | 68.1 | 7.88 | 6.2 | 3 | 183 | 7 | 14.4988 | 42 | |||
| 4/27-28/2002 | 48 | 6 | 256 | 4 | 18 | 1 | 224 | 27.8 | 1.7 | 5 | 313 | 14 | 5.5 | 15.65587 | 39 | ||
| 6/26-27/94 | 47 | 2 | 61 | 2 | 9 | 0 | 54 | 16.4 | 2.6 | 3 | 194 | 8 | 10.86325 | 55 | |||
| 6/3-4/2005 | 47 | 0 | 2 | 0 | 1 | 0 | 3 | 33.4 | 1.4 | 0 | 101 | 8 | 5.67 | 6.924116 | 61 | ||
| 6/7-8/84 | 45 | 13 | 319 | 4 | 28 | 3 | 312 | 10.75 | 4.19 | 1 | 768 | 8 | 18.67055 | 32 | |||
| 5/31/1985 | 30 | 76 | 876 | 10 | 20 | 6 | 1222 | 7.1 | 4.23 | 11 | 507 | 3 | 25.32963 | 14 | |||
| 3/21-22/52 | 28 | 204 | 1104 | 19 | 26 | 10 | 19 | 10.3 | 2.7 | 12 | 322 | 5 | 24.04133 | 17 | |||
| 3/1-2/97 | 28 | 26 | 441 | 4 | 12 | 3 | 272 | 12.5 | 2.24 | 6 | 333 | 4 | 13.31213 | 46 | |||
| 5/4-5/2007 | 28 | 13 | 66 | 3 | 4 | 1 | 254 | 9.03 | 3.1 | 4 | 131 | 5 | 10.33015 | 58 | |||
| 3/28/1984 | 27 | 57 | 1249 | 11 | 22 | 9 | 579 | 6.92 | 3.9 | 18 | 307 | 3 | 25.62215 | 13 | |||
| 2/21/1971 | 14 | 121 | 1523 | 4 | 11 | 4 | 41 | 6.78 | 2.06 | 1 | 410 | 4 | 13.36438 | 45 | |||
| 3/18/1925 | 8 | 747 | 2298 | 8 | 8 | 3 | 17.6 | 6.5 | 1.2 | 3 | 411 | 6 | 23.00014 | 20 | |||
| 3/21-22/1932 | 330 | 2087 | 27 | 36 | 10 | 11 | 11 | 613 | 8 | ||||||||
| 4/23-25/1908 | 324 | 1715 | 16 | 29 | 6 | 40.5 | 7 | 582 | 13 | ||||||||
| 2/19-20/1884 | 41 | 167 | 1056 | 28 | 37 | 4 | 14 | 2.93 | 15 | 779 | 8 | ||||||
| 5/8-9/1927 | 217 | 1156 | 17 | 33 | 8 | 38.25 | 13 | 513 | 10 | ||||||||
| 3/28/1920 | 153 | 908 | 19 | 31 | 8 | 17.5 | 7 | 552 | 8 | ||||||||
| 4/29-30/1909 | 132 | 675 | 24 | 35 | 4 | 31 | 3 | 790 | 8 | ||||||||
| 5/27/1896 | 305 | 1236 | 7 | 10 | 4 | 6.75 | 5 | 146 | 3 | ||||||||
| 5/3-4/99 4AM | 77 | 46 | 829 | 7 | 19 | 5 | 2.3 | 10.3 | 7.5 | ||||||||
| 9/19-23/67 | 111 | 5 | 41 | 2 | 15 | 0 | 4.3 | 106 | 1 | 6 | 9.5 | ||||||
| 5/2-3/84 | 60 | 5 | 1 | 15 | 1 | 6.7 | |||||||||||
| MAX | 170 | 747 | 5454 | 48 | 95 | 30 | 2400 | 106 | 10.9 | 28 | 2521 | 17 | |||||
| MIN | 8 | 0 | 2 | 0 | 1 | 0 | 0.3 | 6.5 | 1 | 0 | 74 | 1 | |||||