| May 1999 - Summary of Weather | |||
| Highest Temperature | 21 | ºC | 3rd |
| Minimum Temperature | 8.5 | ºC | 2nd, 16th, 17th, 18th, 19th |
| Mean Maximum Temp | 16.7 | ºC | |
| Mean Minimum Temp | 11.2 | ºC | |
| Mean Temperature | 13.9 | ºC | |
| Mean Daily Range | 5.5 | deg C | |
| Maximum Range | 12.0 | deg C | 2nd |
| Highest Minimum | 13.0 | ºC | 28th |
| Lowest Maximum | 13.5 | ºC | 23rd |
| Total Rainfall | 66 | mm | |
| Maximum Daily Rainfall | 36 | mm | 29th |
| May 1999 | |||
| TEMPERATURE | RAINFALL | ||
| Date | MIN (ºC) | MAX (ºC) | mm |
| 1 | 12 | 15.5 | |
| 2 | 8.5 | 20.5 | |
| 3 | 10 | 21 | |
| 4 | 12.5 | 20.5 | |
| 5 | 11 | 19.5 | |
| 6 | 12 | 18 | trace |
| 7 | 12 | 17.5 | trace |
| 8 | 11.5 | 17 | 5 |
| 9 | 12 | 16.5 | 1 |
| 10 | 12 | 14.5 | trace |
| 11 | 12 | 14 | 9 |
| 12 | 12.5 | 14.5 | 1 |
| 13 | 11.5 | 14 | |
| 14 | 11 | 14 | |
| 15 | 11 | 17 | trace |
| 16 | 8.5 | 16.5 | |
| 17 | 8.5 | 15 | |
| 18 | 8.5 | 15.5 | 3 |
| 19 | 8.5 | 15.5 | |
| 20 | 11.5 | 14 | |
| 21 | 11.5 | 14.5 | trace |
| 22 | 11 | 14 | |
| 23 | 12 | 13.5 | trace |
| 24 | 11.5 | 15.5 | |
| 25 | 10.5 | 16.5 | |
| 26 | 12 | 19.5 | trace |
| 27 | 11.5 | 19 | 8 |
| 28 | 13 | 18.5 | 3 |
| 29 | 12 | 18 | 36 |
| 30 | 12 | 17.5 | trace |
| 31 | 12.5 | 19.5 | |