| I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII | ||||||||||||||
| Daily temp. [C]: | -1 | 2 | 7 | 13 | 18 | 21 | 23 | 23 | 18 | 13 | 7 | 2 | |||||||||||||
| Nightly temp. [C]: | -7 | -5 | -2 | 3 | 7 | 11 | 12 | 12 | 8 | 4 | 0 | -4 | |||||||||||||
| Precipitation [mm]: | 33 | 33 | 33 | 48.3 | 83.8 | 96.5 | 86.4 | 86.4 | 53.3 | 45.7 | 45.7 | 40.6 |
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