Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
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.
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.
Key differences
| Climate Normal Calculator | Rainfall Intensity Calculator | |
|---|---|---|
| Category | Climate | Climate |
| Inputs required | 3 | 2 |
| Result | Climate Anomaly (standard deviations) | Rainfall Intensity (inches/hour) |
| What it does | 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. | 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. |