Neerslag — 2026
| Maand | Barendrecht | Zwijndrecht | Verschil |
|---|---|---|---|
| Jan | – | 76.6 mm | – |
| Feb | – | 98.3 mm | – |
| Mrt | 9.2 mm | 59.9 mm | -50.7 |
| Apr | 2.8 mm | 9.8 mm | -7.0 |
| Mei | 67.4 mm | 94 mm | -26.6 |
| Jun | 79.3 mm | 81.1 mm | -1.8 |
| Jul | 7 mm | 7.3 mm | -0.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |