| Period | Day | Tornado Counts | |||||||||
| 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | ||
| Beginning | 1 | 6 | 6 | 1 | 0 | 37 | 4 | 4 | 1 | 1 | 0 |
| 2 | 9 | 0 | 0 | 0 | 21 | 24 | 3 | 0 | 1 | 8 | |
| 3 | 25 | 0 | 3 | 2 | 2 | 40 | 1 | 0 | 5 | 1 | |
| 4 | 4 | 0 | 1 | 4 | 0 | 2 | 2 | 2 | 0 | 0 | |
| 5 | 2 | 2 | 0 | 7 | 4 | 2 | 0 | 0 | 1 | 0 | |
| 6 | 0 | 7 | 3 | 6 | 6 | 8 | 3 | 2 | 0 | 3 | |
| 7 | 0 | 2 | 12 | 6 | 0 | 26 | 1 | 9 | 1 | 5 | |
| 8 | 21 | 3 | 5 | 0 | 0 | 14 | 3 | 13 | 0 | 58 | |
| 9 | 2 | 3 | 18 | 7 | 0 | 0 | 0 | 10 | 0 | 2 | |
| 10 | 3 | 0 | 1 | 5 | 2 | 0 | 18 | 9 | 1 | 2 | |
| Middle | 11 | 2 | 2 | 4 | 36 | 0 | 0 | 24 | 6 | 0 | 1 |
| 12 | 0 | 11 | 0 | 35 | 8 | 5 | 3 | 4 | 2 | 1 | |
| 13 | 0 | 4 | 13 | 13 | 31 | 0 | 14 | 10 | 3 | 0 | |
| 14 | 1 | 1 | 0 | 15 | 7 | 2 | 4 | 20 | 1 | 0 | |
| 15 | 2 | 12 | 7 | 18 | 1 | 1 | 2 | 24 | 0 | 3 | |
| 16 | 0 | 3 | 11 | 15 | 12 | 2 | 1 | 32 | 1 | 2 | |
| 17 | 1 | 10 | 20 | 19 | 11 | 0 | 0 | 10 | 6 | 1 | |
| 18 | 1 | 1 | 9 | 9 | 19 | 14 | 1 | 3 | 4 | 1 | |
| 19 | 0 | 7 | 0 | 19 | 18 | 3 | 2 | 2 | 10 | 4 | |
| 20 | 5 | 14 | 3 | 19 | 29 | 1 | 11 | 3 | 4 | 5 | |
| End | 21 | 4 | 0 | 0 | 5 | 13 | 5 | 6 | 2 | 2 | 7 |
| 22 | 4 | 0 | 14 | 2 | 6 | 1 | 2 | 0 | 4 | 2 | |
| 23 | 1 | 3 | 29 | 4 | 4 | 2 | 3 | 0 | 1 | 2 | |
| 24 | 5 | 6 | 10 | 8 | 1 | 5 | 2 | 4 | 5 | 3 | |
| 25 | 0 | 16 | 2 | 4 | 2 | 2 | 3 | 0 | 23 | 0 | |
| 26 | 2 | 9 | 6 | 6 | 1 | 1 | 5 | 1 | 14 | 0 | |
| 27 | 3 | 7 | 3 | 18 | 11 | 2 | 7 | 2 | 8 | 3 | |
| 28 | 2 | 15 | 6 | 17 | 1 | 1 | 7 | 1 | 7 | 2 | |
| 29 | 3 | 42 | 2 | 12 | 3 | 1 | 5 | 1 | 11 | 2 | |
| 30 | 4 | 10 | 0 | 17 | 3 | 1 | 19 | 1 | 5 | 12 | |
| 31 | 0 | 10 | 4 | 5 | 2 | 6 | 40 | 1 | 5 | 3 | |