Neerslag — 2020
| Month | Houffalize | Lierneux | Difference |
|---|---|---|---|
| Jan | 71.2 mm | 71.2 mm | +0.0 |
| Feb | 193.4 mm | 193.4 mm | +0.0 |
| Mar | 105.3 mm | 105.3 mm | +0.0 |
| Apr | 30.9 mm | 30.9 mm | +0.0 |
| May | 36.4 mm | 36.4 mm | +0.0 |
| Jun | 100.7 mm | 100.7 mm | +0.0 |
| Jul | 54.8 mm | 54.8 mm | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |