Neerslag — 2020
| Maand | Ferrières | Manhay | Verschil |
|---|---|---|---|
| Jan | 63.7 mm | 71.2 mm | -7.5 |
| Feb | 189.4 mm | 193.4 mm | -4.0 |
| Mrt | 102.9 mm | 105.3 mm | -2.4 |
| Apr | 26 mm | 30.9 mm | -4.9 |
| Mei | 35.4 mm | 36.4 mm | -1.0 |
| Jun | 85.5 mm | 100.7 mm | -15.2 |
| Jul | 54.5 mm | 54.8 mm | -0.3 |
| Aug |
| 69.8 mm |
| – |
| – |
| Sep | 93.8 mm | – | – |
| Okt | 109.5 mm | – | – |
| Nov | 34.7 mm | – | – |
| Dec | 121.4 mm | – | – |