Evapotranspiration Calculations
Ballina Airport - April 2026 daily calculations
| Date | Evapotrans- piration (mm) 0000- 2400 | Rain (mm) 0900- 0900 | Pan Evaporation (mm) 0900- 0900 | Max Temp | Min Temp | Max Rel Hum (%) | Min Rel Hum (%) | Average 10m Wind Speed (m/sec) | Solar Radiation (MJ/sq m) |
|---|---|---|---|---|---|---|---|---|---|
| 28/03/2026 | 4.0 | 0.0 | 23.6 | 12.1 | 91 | 45 | 3.47 | 20.94 | |
| 29/03/2026 | 4.5 | 0.0 | 25.4 | 14.5 | 94 | 49 | 4.92 | 21.39 | |
| 30/03/2026 | 4.6 | 0.0 | 26.4 | 18.0 | 90 | 49 | 5.00 | 19.47 | |
| 31/03/2026 | 2.4 | 4.0 | 24.1 | 17.2 | 97 | 73 | 2.85 | 11.47 | |
| 01/04/2026 | 3.7 | 5.4 | 26.2 | 17.6 | 96 | 62 | 3.29 | 19.74 | |
| 02/04/2026 | 3.4 | 6.4 | 26.8 | 15.8 | 97 | 63 | 2.51 | 18.30 | |
| 03/04/2026 | 3.0 | 0.4 | 26.1 | 17.0 | 97 | 67 | 2.52 | 15.76 | |
| Totals: | 25.6 | 16.2 |
