Neerslag — 2020
| Mois | Delft | Pijnacker-Nootdorp | Différence |
|---|---|---|---|
| Jan | 56 mm | 50.7 mm | +5.3 |
| Fév | 113.8 mm | 117.9 mm | -4.1 |
| Mar | 43.8 mm | 48.1 mm | -4.3 |
| Avr | 26.4 mm | 27.7 mm | -1.3 |
| Mai | 10.6 mm | 14.3 mm | -3.7 |
| Juin | 64.3 mm | 60.4 mm | +3.9 |
| Juil | 59.6 mm | 58 mm | +1.6 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |