Evapotranspiration Calculations
Perth Airport - August 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) |
|---|---|---|---|---|---|---|---|---|---|
| 31/07/2026 | 3.1 | 0.0 | 23.4 | 5.7 | 97 | 29 | 3.08 | 14.17 | |
| 01/08/2026 | 2.3 | 1.8 | 17.6 | 8.6 | 97 | 43 | 3.56 | 12.60 | |
| 02/08/2026 | 2.8 | 0.2 | 17.4 | 5.3 | 85 | 43 | 5.05 | 14.27 | |
| 03/08/2026 | 3.9 | 0.0 | 25.0 | 9.4 | 88 | 23 | 3.83 | 14.17 | |
| 04/08/2026 | 2.4 | 8.4 | 20.3 | 13.0 | 98 | 48 | 3.17 | 13.93 | |
| 05/08/2026 | 2.2 | 0.0 | 20.4 | 8.8 | 93 | 53 | 2.79 | 12.55 | |
| 06/08/2026 | 2.4 | 0.0 | 20.6 | 5.7 | 95 | 52 | 3.29 | 13.01 | |
| Totals: | 19.1 | 10.4 |
