Evapotranspiration Calculations
Perth Metro - 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 | 2.2 | 0.0 | 22.9 | 6.2 | 99 | 32 | 1.65 | 14.18 | |
| 01/08/2026 | 1.9 | 6.0 | 17.7 | 10.3 | 99 | 45 | 2.21 | 12.63 | |
| 02/08/2026 | 1.8 | 0.0 | 17.5 | 4.6 | 98 | 45 | 1.60 | 14.29 | |
| 03/08/2026 | 2.3 | 0.0 | 25.3 | 6.6 | 89 | 26 | 1.25 | 14.10 | |
| 04/08/2026 | 1.9 | 9.0 | 20.0 | 12.7 | 99 | 48 | 1.43 | 13.59 | |
| 05/08/2026 | 1.7 | 0.0 | 20.4 | 8.0 | 99 | 54 | 1.14 | 12.53 | |
| 06/08/2026 | 1.8 | 0.0 | 20.3 | 6.1 | 99 | 52 | 1.57 | 12.71 | |
| Totals: | 13.6 | 15.0 |
