Luchtvochtigheid — 2020
| Maand | Wassenaar | Voorschoten | Verschil |
|---|---|---|---|
| Jan | 86.9 % | 88.9 % | -2.0 |
| Feb | 79.6 % | 80.2 % | -0.6 |
| Mrt | 75.9 % | 73.2 % | +2.7 |
| Apr | 73.1 % | 66.4 % | +6.7 |
| Mei | 75.4 % | 67.9 % | +7.5 |
| Jun | 79.8 % | 73.9 % | +5.9 |
| Jul | 77.8 % | 76.4 % | +1.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |