JAAROVERZICHT 2009
| MAAND | GRAS | MIN | MAX | GEM | NEERSLAG | RE | SN | HA | ON | MI | ZON | DRUK |
| JAN | -6.4° | -3.0° | 3.8° | 0.4° | 54.9 mm | 9 | 1 | 0 | 0 | 5 | 77h | 1015hPa |
| FEB | -1.7° | 1.1° | 6.6° | 3.8° | 69.6 mm | 17 | 11 | 0 | 0 | 0 | 33h | 1015hPa |
| MAA | -0.4° | 3.2° | 11.7° | 7.4° | 107.5 mm | 18 | 1 | 2 | 0 | 1 | 97h | 1016hPa |
| APR | 5.2° | 7.6° | 20.0° | 13.8° | 41.4 mm | 12 | 0 | 0 | 2 | 0 | 164h | 1014hPa |
| MEI | 7.7° | 10.1° | 20.9° | 15.5° | 41.4 mm | 15 | 0 | 0 | 1 | 0 | 170h | 1019hPa |
| JUN | 9.7° | 11.9° | 22.6° | 17.3° | 55.8 mm | 12 | 0 | 0 | 1 | 1 | 170h | 1016hPa |
| JUL | 12.6° | 15.0° | 25.0° | 20.0° | 144.9 mm | 16 | 0 | 1 | 8 | 0 | 173h | 1013hPa |
| AUG | 11.5° | 13.9° | 26.5° | 20.2° | 41.0 mm | 6 | 0 | 0 | 2 | 1 | 213h | 1016hPa |
| SEP | 8.6° | 11.2° | 21.7° | 16.4° | 29.7 mm | 9 | 0 | 0 | 0 | 0 | 114h | 1019hPa |
| OKT | 4.8° | 7.4° | 16.0° | 11.7° | 108.3 mm | 15 | 0 | 0 | 1 | 0 | 87h | 1015hPa |
| NOV | 5.0° | 7.3° | 13.0° | 10.2° | 124.5 mm | 21 | 0 | 1 | 0 | 0 | 24h | 1004hPa |
| DEC | -2.3° | 0.2° | 5.3° | 2.8° | 96.6 mm | 13 | 9 | 0 | 0 | 0 | 39h | 1005hPa |
| SEIZOEN | GRAS | MIN | MAX | GEM | NEERSLAG | RE | SN | HA | ON | MI | ZON | DRUK |
| WINTER | -3.5° | -0.5° | 5.2° | 2.3° | 181.5 mm | 39 | 16 | 0 | 0 | 10 | 177h | 1016hPa |
| LENTE | 4.2° | 7.0° | 17.5° | 12.2° | 190.3 mm | 45 | 1 | 2 | 3 | 1 | 431h | 1016hPa |
| ZOMER | 11.2° | 13.6° | 23.7° | 19.2° | 241.7 mm | 34 | 0 | 1 | 11 | 2 | 556h | 1015hPa |
| HERFST | 6.1° | 8.6° | 16.9° | 12.8° | 262.5 mm | 45 | 0 | 1 | 1 | 0 | 225h | 1013hPa |
| MIN | -6.4° | -3.0° | 3.8° | 0.4° | 41.0 mm | 6 | 0 | 0 | 0 | 0 | 24h | 1004hPa |
| MAX | 12.6° | 15.0° | 26.5° | 20.2° | 144.9 mm | 21 | 11 | 2 | 8 | 5 | 213h | 1019hPa |
| GEM | 4.5° | 7.2° | 16.1° | 11.7° | 915.6 mm | 163 | 22 | 3 | 16 | 8 | 177h | 1016hPa |