| Effect of precipitation |
| Note |
Precipitation per hour |
Effect |
 |
0mm
|
-----
|
 |
Less than 1mm |
Light rain |
| Less than 5mm |
Weak rain |
 |
Less than 10mm |
Moderate rain |
 |
Less than 20mm |
Strong rain |
| Less than 30mm |
Heavy rain |
| Less than 50mm |
Extra heavy rain |
| Less than 80mm |
Very extra heavy rain |
| More than 80mm |
More Extra heavy rain |
|
|
