Tab. 3 Celkový počet období sucha v 10-, 25- a 30-ročných obdobiach
| mesiac | I | II | II | IV | V | VI | VII | VIII | IX | X | XI | XII | rok |
| 1931-40 | 2 | 0 | 3 | 1 | 2 | 0 | 1 | 1 | 3 | 2 | 4 | 4 | 23 |
| 1941-50 | 1 | 3 | 3 | 2 | 2 | 2 | 0 | 2 | 4 | 3 | 1 | 1 | 24 |
| 1951-60 | 2 | 4 | 7 | 1 | 0 | 0 | 2 | 1 | 2 | 5 | 1 | 1 | 26 |
| 1961-70 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 0 | 3 | 4 | 0 | 1 | 19 |
| 1971-80 | 4 | 2 | 4 | 2 | 2 | 1 | 0 | 2 | 0 | 5 | 2 | 1 | 25 |
| 1931-60 | 5 | 7 | 13 | 4 | 4 | 2 | 3 | 4 | 9 | 10 | 6 | 6 | 73 |
| 1931-55 | 4 | 5 | 8 | 4 | 4 | 2 | 2 | 3 | 8 | 8 | 6 | 5 | 59 |
| 1956-80 | 7 | 5 | 10 | 3 | 4 | 3 | 3 | 3 | 4 | 11 | 2 | 3 | 58 |
| 1931-80 | 11 | 10 | 18 | 7 | 8 | 5 | 5 | 6 | 12 | 19 | 8 | 8 | 117 |