Neerslag — 2020
| Month | Herstappe | Borgloon | Difference |
|---|---|---|---|
| Jan | 41.4 mm | 38.8 mm | +2.6 |
| Feb | 147.3 mm | 141.5 mm | +5.8 |
| Mar | 79.7 mm | 77.4 mm | +2.3 |
| Apr | 28 mm | 21.2 mm | +6.8 |
| May | 18.2 mm | 18.3 mm | -0.1 |
| Jun | 82.8 mm | 79.8 mm | +3.0 |
| Jul | 53.3 mm | 55.2 mm | -1.9 |
| Aug |
| – |
| 47 mm |
| – |
| Sep | – | 74.6 mm | – |
| Oct | – | 85.4 mm | – |
| Nov | – | 25.2 mm | – |
| Dec | – | 83.9 mm | – |