Vanningsinformasjon fra NIBIO, Landbruksmeteorologisk tjeneste
Potensiell fordamping beregnes ikke utenfor vekstsesong. Vekstsesongen 2019 startet uke 13.
| Uke | Lufttemperatur (°C) | Nedbør (mm) | Potensiell fordamping (mm) | Vannbalanse (mm) |
| 1 | -0.2 | 0 | 0 | 0 |
| 2 | -2.7 | 2.2 | 0 | 0 |
| 3 | -6.2 | 0.2 | 0 | 0 |
| 4 | -4.3 | 0 | 0 | 0 |
| 5 | -7.2 | 0 | 0 | 0 |
| 6 | -2.4 | 17.2 | 0 | 0 |
| 7 | 1.8 | 3.4 | 0 | 0 |
| 8 | 1.8 | 11.2 | 0 | 0 |
| 9 | 1.7 | 11.4 | 0 | 0 |
| 10 | -1.1 | 11.2 | 0 | 0 |
| 11 | -1.5 | 22.8 | 0 | 0 |
| 12 | 4.5 | 1 | 0 | 0 |
| 13 | 5.6 | 3.2 | 0 | 0 |
| 14 | 4.7 | 0.2 | 9.8 | -9.6 |
| 15 | 2.8 | 0 | 12.9 | -12.9 |
| 16 | 8.3 | 0 | 11.1 | -11.1 |
| 17 | 13.4 | 14.4 | 16.2 | -1.8 |
| 18 | 9.4 | 3.8 | 16.9 | -13.1 |
| 19 | 6.1 | 26.8 | 14.5 | 12.3 |
| 20 | 12.3 | 14.4 | 16.8 | -2.4 |
| 21 | 12.8 | 45.8 | 13.8 | 32 |
| 22 | 10.6 | 13 | 18.4 | -5.4 |
| 23 | 14 | 27 | 16.3 | 10.7 |
| 24 | 13.9 | 49.9 | 16.9 | 33 |
| 25 | 14.7 | 29.8 | 20.6 | 9.2 |
| 26 | 17.1 | 12.4 | 21.1 | -8.7 |
| 27 | 13.9 | 10.4 | 25.3 | -14.9 |
| 28 | 17.3 | 0.2 | 23.8 | -23.6 |
| 29 | 16.2 | 36.4 | 19.6 | 16.8 |
| 30 | 21 | 3.8 | 22.2 | -18.4 |
| 31 | 17.7 | 1.4 | 17.3 | -15.9 |
| 32 | 16.2 | 26 | 14.3 | 11.7 |
| 33 | 14.9 | 31.8 | 15.4 | 16.4 |
| 34 | 15 | 25.8 | 12.7 | 13.1 |
| Total | 7.7 | 373.3 | 355.8 | 17.5 |
Veiledning