| 2004 – DECEMBRE | Tn (°C) | Heure de la Tn | Tx (°C) | Heure de la Tx | Tm (°C) | RR (mm) | Neige maxi au sol (cm) | Rafale maxi (km/h) | Secteur Rafale | Heure rafale |
| 1 | -0.9 | 8 h 30 | 1.8 | 0 h 56 | 0.45 | 0 | 3 | 6.5 | NE | 18 h 50 |
| 2 | 0.3 | 6 h 54 | 4.8 | 15 h 34 | 2.55 | 8 | traces | 17.6 | O | 10 h 30 |
| 3 | 1.9 | 18 h 33 (le 2) | 6.9 | 14 h 48 | 4.4 | 2 | 10.1 | S | 3 h 23 | |
| 4 | 1.7 | 20 h 30 (heure du relevé) | 5.8 | 13 h 56 | 3.75 | 0 | 14.0 | SO | 13 h 08 | |
| 5 | 0.2 | 19 h 44 | 2.3 | 21 h 40 (le 4) | 1.25 | 1 | 10.1 | SO | 21 h 44 (le 4) | |
| 6 | -2.0 | 7 h 09 | 2.5 | 14 h 53 | 0.25 | 0 | 24.8 | NO | 8 h 57 | |
| 7 | -3.1 | 9 h 18 | -0.9 | 12 h 13 | -2.0 | 0 | 6.5 | SO | 12 h 05 | |
| 8 | -4.2 | 8 h 15 | -1.4 | 14 h 45 | -2.8 | 0 | 12.2 | SO | 19 h 13 | |
| 9 | -4.6 | 5 h 48 | -1.8 | 15 h 41 | -3.2 | 0 | 9.4 | O | 21 h 26 (le 8) | |
| 10 | -4.3 | 3 h 01 | -0.2 | 15 h 28 | -2.25 | 0 | 3.6 | SO | 23 h 29 (le 9) | |
| 11 | -6.7 | 8 h 44 | -2.5 | 14 h 59 | -4.6 | 0 | / | / | / | |
| 12 | -6.8 | 9 h 11 | -2.5 | 14 h 05 | -4.65 | 0 | / | / | / | |
| 13 | -3.2 | 21 h 36 (le 12) | 5.3 | 14 h 33 | 1.05 | 0 | 6.5 | SO | 22 h 11 | |
| 14 | 0.9 | 21 h 15 (heure du relevé) | 6.8 | 14 h 03 | 3.85 | 0 | 6.5 | SO | 1 h 41 | |
| 15 | -0.6 | 7 h 55 | 7.0 | 14 h 12 | 3.2 | 0 | 12.2 | S | 12 h 16 | |
| 16 | 1.7 | 23 h 52 | 7.5 | 12 h 58 | 4.6 | 3 | 28.1 | S | 21 h 12 | |
| 17 | 1.4 | 17 h 00 | 3.8 | 1 h 05 | 2.6 | 14 | 55.1 | SE | 21 h 14 | |
| 18 | -0.6 | 8 h 44 | 2.1 | 0 h 24 | 0.75 | 0 | 5 | 61.9 | S | 0 h 39 |
| 19 | -2.4 | 22 h 35 (heure du relevé) | 2.5 | 8 h 50 | 0.05 | 15 | 17.6 | SE | 22 h 51 (le 18) | |
| 20 | -8.8 | 21 h 40 (heure du relevé) | 0.1 | 14 h 30 | -4.35 | 0 | 19.1 | NE | 12 h 54 | |
| 21 | -10.4 | 22 h 45 (heure du relevé) | -3.3 | 2 h 19 | -6.85 | 0 | 15 | 17.6 | SO | 3 h 18 |
| 22 | -11.2 | 4 h 00 | 0.4 | 0 h 55 (le 23) | -5.4 | 0 | 24.1 | SO | 21 h 55 | |
| 23 | / | / | / | / | / | / | / | / | ||
| 24 | / | / | 5.7 | 20 h 49 | / | 34.6 | SO | 6 h 25 | ||
| 25 | / | / | / | / | / | 15 | / | / | / | |
| 26 | / | / | / | / | / | / | / | / | ||
| 27 | / | / | / | / | / | 0 | / | / | / | |
| 28 | -3.4 | 9 h 36 | / | / | / | 0 | / | / | / | |
| 29 | -3.1 | 5 h 52 | 0.8 | 13 h 09 | -1.15 | 0 | 11 | 28.1 | SO | 22 h 25 (le 28) |
| 30 | -5.8 | 8 h 08 | 0.3 | 15 h 38 | -2.75 | 0 | 7.9 | NE | 4 h 18 | |
| 31 | -1.0 | 21 h 53 (le 30) | 3.1 | 14 h 14 | 1.05 | 3 | 12.2 | S | 13 h 25 | |
| -11.2 / 1.9 | le 22 / le 2 | -3.3 / 7.5 | le 21 / le 16 | -0.4 | 61 | 15 | 61.9 | S | le 18 |