Evapotranspiration Calculations
Grafton 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 | 3.9 | 0.0 | 26.5 | 9.1 | 90 | 37 | 1.84 | 21.05 | |
| 29/03/2026 | 4.2 | 0.0 | 28.9 | 10.8 | 96 | 37 | 2.25 | 20.13 | |
| 30/03/2026 | 4.2 | 0.0 | 28.2 | 13.2 | 97 | 40 | 2.62 | 19.55 | |
| 31/03/2026 | 3.7 | 0.0 | 28.2 | 14.1 | 93 | 45 | 2.69 | 15.43 | |
| 01/04/2026 | 4.0 | 0.0 | 29.7 | 16.0 | 93 | 46 | 2.41 | 18.16 | |
| 02/04/2026 | 3.3 | 0.0 | 28.6 | 14.9 | 96 | 49 | 1.85 | 15.52 | |
| 03/04/2026 | 3.4 | 0.8 | 29.7 | 13.4 | 98 | 53 | 1.87 | 16.23 | |
| Totals: | 26.7 | 0.8 |
