Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Climate
Rainfall Intensity Calculator
Compute rainfall intensity by dividing total rainfall by the duration in hours. Returns inches per hour, a standard metric for designing drainage and assessing flood risk.
Fill in the required fields to see your result.
Climate
Climate Normal Calculator
Compute a climate anomaly as the standardised z-score of a current value against the 30-year average and standard deviation. Values outside ±2 indicate statistically unusual conditions.
Fill in the required fields to see your result.
Key differences
| Rainfall Intensity Calculator | Climate Normal Calculator | |
|---|---|---|
| Category | Climate | Climate |
| Inputs required | 2 | 3 |
| Result | Rainfall Intensity (inches/hour) | Climate Anomaly (standard deviations) |
| What it does | Compute rainfall intensity by dividing total rainfall by the duration in hours. Returns inches per hour, a standard metric for designing drainage and assessing flood risk. | Compute a climate anomaly as the standardised z-score of a current value against the 30-year average and standard deviation. Values outside ±2 indicate statistically unusual conditions. |