Průměrné denní teploty v roce 1964
| den | rok | I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII |
| 1 | 1964 | -5.3 | 1.6 | 0.3 | 9.9 | 9.3 | 20.1 | 12.7 | 19.3 | 11.7 | 8.9 | 4.4 | 1.4 |
| 2 | 1964 | -0.1 | 5.8 | -0.3 | 12.1 | 9.2 | 19.8 | 14.3 | 14.3 | 13.9 | 12.4 | 2.6 | 0.8 |
| 3 | 1964 | -0.7 | 4.5 | -2.3 | 13.9 | 11.2 | 19.8 | 16.2 | 13.2 | 15.8 | 13.3 | 3.6 | -0.7 |
| 4 | 1964 | -3.7 | 4.2 | -2.0 | 9.5 | 14.0 | 19.2 | 17.6 | 17.3 | 18.7 | 8.9 | 3.4 | -0.2 |
| 5 | 1964 | -3.0 | 1.8 | -1.7 | 6.6 | 10.2 | 20.2 | 15.3 | 18.8 | 20.0 | 7.3 | 3.1 | -0.8 |
| 6 | 1964 | -6.7 | -2.2 | -3.5 | 6.8 | 10.7 | 21.1 | 14.6 | 19.1 | 15.2 | 8.0 | 4.2 | -1.3 |
| 7 | 1964 | -4.7 | -2.5 | -6.3 | 4.5 | 13.4 | 19.4 | 15.7 | 20.9 | 14.9 | 11.8 | 2.3 | -0.4 |
| 8 | 1964 | -3.9 | 1.6 | -1.8 | 4.0 | 15.9 | 16.6 | 21.0 | 20.8 | 15.7 | 14.1 | 0.0 | -0.4 |
| 9 | 1964 | -8.4 | 3.9 | -1.2 | 6.1 | 10.4 | 14.7 | 23.0 | 14.1 | 15.7 | 7.7 | 0.8 | -0.9 |
| 10 | 1964 | -8.6 | 2.5 | -2.0 | 10.5 | 12.8 | 17.2 | 14.6 | 14.4 | 17.3 | 9.1 | 6.2 | -2.5 |
| 11 | 1964 | -8.0 | 2.6 | 0.3 | 11.1 | 14.7 | 18.8 | 13.8 | 14.6 | 18.6 | 9.4 | 5.7 | -1.4 |
| 12 | 1964 | -8.1 | 0.3 | 1.7 | 11.5 | 16.5 | 21.7 | 18.4 | 15.6 | 18.6 | 13.1 | 5.3 | -0.6 |
| 13 | 1964 | -7.5 | -7.4 | 1.8 | 12.7 | 18.9 | 23.3 | 21.1 | 16.5 | 10.9 | 8.6 | 6.2 | -1.0 |
| 14 | 1964 | -7.8 | -7.7 | -1.0 | 10.9 | 17.9 | 23.4 | 22.1 | 15.7 | 14.3 | 5.7 | 5.7 | -0.3 |
| 15 | 1964 | -8.5 | -4.2 | -3.7 | 10.8 | 11.6 | 21.6 | 22.2 | 15.5 | 17.0 | 7.9 | 8.8 | 0.4 |
| 16 | 1964 | -6.1 | -0.7 | -4.2 | 12.7 | 12.2 | 20.0 | 21.8 | 18.2 | 20.1 | 10.4 | 7.7 | 3.6 |
| 17 | 1964 | -6.9 | 1.1 | -4.0 | 13.9 | 13.6 | 20.3 | 23.0 | 21.1 | 16.7 | 8.2 | 7.7 | 3.8 |
| 18 | 1964 | -8.5 | 2.6 | -3.6 | 13.2 | 15.8 | 20.4 | 22.2 | 20.5 | 14.3 | 7.2 | 4.0 | 3.4 |
| 19 | 1964 | -11.5 | -0.8 | -0.2 | 15.2 | 13.5 | 22.6 | 22.2 | 16.2 | 14.1 | 8.3 | 4.2 | 3.2 |
| 20 | 1964 | -11.5 | -4.7 | 2.1 | 16.6 | 10.9 | 20.1 | 23.5 | 15.6 | 12.3 | 7.7 | 8.6 | -0.4 |
| 21 | 1964 | -11.6 | -4.3 | 3.6 | 16.0 | 9.6 | 17.6 | 24.7 | 16.3 | 11.2 | 6.7 | 9.1 | -1.3 |
| 22 | 1964 | -6.1 | -3.5 | 4.9 | 12.9 | 13.0 | 18.2 | 23.9 | 14.8 | 8.6 | 6.2 | 6.0 | -3.3 |
| 23 | 1964 | -1.3 | -1.6 | 5.0 | 12.5 | 15.5 | 17.8 | 19.6 | 13.6 | 11.3 | 8.9 | 6.0 | -4.2 |
| 24 | 1964 | -6.4 | -1.7 | 3.7 | 10.1 | 16.2 | 15.5 | 17.7 | 13.5 | 12.7 | 6.3 | 7.6 | -0.3 |
| 25 | 1964 | 1.4 | 0.6 | 4.5 | 7.8 | 16.6 | 18.3 | 17.4 | 17.5 | 15.3 | 4.5 | 11.9 | -1.0 |
| 26 | 1964 | 1.7 | 3.1 | 7.2 | 6.9 | 17.1 | 20.8 | 21.3 | 20.1 | 12.6 | 5.9 | 8.3 | -1.4 |
| 27 | 1964 | 1.3 | 2.5 | 6.7 | 8.7 | 15.9 | 23.1 | 20.4 | 21.1 | 14.0 | 8.4 | 3.5 | -3.0 |
| 28 | 1964 | -4.2 | 2.6 | 7.0 | 11.9 | 17.0 | 20.5 | 22.0 | 22.6 | 12.0 | 9.4 | 5.0 | -1.9 |
| 29 | 1964 | -3.5 | 2.1 | 7.1 | 13.7 | 17.7 | 18.7 | 19.8 | 21.8 | 11.2 | 6.0 | 6.1 | -3.8 |
| 30 | 1964 | -4.2 | | 8.3 | 13.0 | 19.4 | 13.0 | 19.1 | 14.1 | 12.7 | 6.3 | 3.0 | -8.1 |
| 31 | 1964 | -2.2 | | 9.0 | | 18.9 | | 20.3 | 12.2 | | 6.7 | | -6.1 |
| průměr | | -5.3 | 0.1 | 1.1 | 10.9 | 14.2 | 19.5 | 19.4 | 17.1 | 14.6 | 8.5 | 5.4 | -0.9 |