Evapotranspiration Calculations
Roxby Downs (Olympic Dam Aerodrome) - 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 | 4.3 | 0.0 | 22.7 | 11.4 | 78 | 30 | 3.12 | 21.22 | |
| 29/03/2026 | 4.6 | 0.0 | 26.7 | 12.2 | 85 | 33 | 3.04 | 21.02 | |
| 30/03/2026 | 5.0 | 0.0 | 28.6 | 14.8 | 81 | 28 | 3.09 | 20.85 | |
| 31/03/2026 | 7.2 | 0.0 | 31.9 | 13.5 | 74 | 17 | 5.09 | 20.64 | |
| 01/04/2026 | 5.3 | 0.0 | 29.9 | 18.9 | 68 | 36 | 3.72 | 18.98 | |
| 02/04/2026 | 5.7 | 0.0 | 30.2 | 16.0 | 81 | 19 | 3.60 | 20.16 | |
| 03/04/2026 | 5.2 | 0.0 | 30.8 | 14.8 | 76 | 31 | 3.14 | 20.04 | |
| Totals: | 37.3 | 0.0 |
