Evapotranspiration Calculations
Roxby Downs (Olympic Dam Aerodrome) - May 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/05/2026 | 7.1 | 0.0 | 30.7 | 16.9 | 50 | 22 | 6.30 | 14.42 | |
| 02/05/2026 | 4.3 | 0.0 | 24.5 | 20.7 | 78 | 32 | 5.06 | 10.33 | |
| 03/05/2026 | 4.0 | 0.4 | 22.4 | 8.1 | 78 | 26 | 4.25 | 15.38 | |
| 04/05/2026 | 3.3 | 0.0 | 21.9 | 8.5 | 84 | 38 | 3.91 | 13.07 | |
| 05/05/2026 | 3.0 | 0.0 | 21.7 | 10.7 | 92 | 39 | 3.38 | 14.30 | |
| 06/05/2026 | 3.0 | 0.0 | 21.7 | 7.0 | 87 | 36 | 3.21 | 13.96 | |
| 07/05/2026 | 3.9 | 0.0 | 19.3 | 12.6 | 78 | 32 | 5.90 | 14.84 | |
| 08/05/2026 | 3.0 | 0.0 | 19.8 | 5.5 | 81 | 40 | 3.92 | 14.77 | |
| Totals: | 31.6 | 0.4 |
