| May 1998 - Summary of Weather | |||
| Highest Temperature | 25.5 | ºC | 20th |
| Minimum Temperature | 6.5 | ºC | 1st, 4th |
| Mean Maximum Temp | 17.1 | ºC | |
| Mean Minimum Temp | 10.8 | ºC | |
| Mean Temperature | 14.0 | ºC | |
| Mean Daily Range | 6.3 | deg C | |
| Maximum Range | 13.0 | deg C | 20th |
| Highest Minimum | 14.0 | ºC | 12th |
| Lowest Maximum | 11.5 | ºC | 4th |
| Total Rainfall | 41 | mm | |
| Maximum Daily Rainfall | 15 | mm | 30th |
Temperature and rainfall readings are for the 24 hours ending 6 p.m.
| May 1998 | |||
| TEMPERATURE | RAINFALL | ||
| Date | MIN (ºC) | MAX (ºC) | mm |
| 1 | 6.5 | 12.5 | |
| 2 | 8 | 12.5 | |
| 3 | 8 | 13.5 | |
| 4 | 6.5 | 11.5 | trace |
| 5 | 9 | 13.5 | |
| 6 | 10.5 | 13 | trace |
| 7 | 11.5 | 14 | |
| 8 | 11 | 17 | trace |
| 9 | 11 | 18 | |
| 10 | 10.5 | 18.5 | trace |
| 11 | 13.5 | 19.5 | 3 |
| 12 | 14 | 21 | |
| 13 | 11.5 | 20.5 | trace |
| 14 | 12 | 16 | trace |
| 15 | 12.5 | 18 | |
| 16 | 12.5 | 22 | |
| 17 | 12.5 | 23.5 | |
| 18 | 12 | 22.5 | |
| 19 | 12.5 | 24 | |
| 20 | 12.5 | 25.5 | |
| 21 | 13 | 20 | |
| 22 | 11.5 | 20 | |
| 23 | 9.5 | 17.5 | |
| 24 | 12.5 | 14.5 | |
| 25 | 11.5 | 15.5 | trace |
| 26 | 12 | 15 | 3 |
| 27 | 8.5 | 13.5 | |
| 28 | 7.5 | 14.5 | 5 |
| 29 | 9 | 14 | 7 |
| 30 | 10 | 14 | 15 |
| 31 | 12 | 16.5 | 8 |