Evapotranspiration Calculations
Perth Metro - 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 | 2.5 | 3.6 | 17.8 | 11.7 | 96 | 39 | 3.27 | 12.29 | |
| 02/05/2026 | 2.0 | 0.0 | 18.1 | 5.0 | 97 | 46 | 1.77 | 13.64 | |
| 03/05/2026 | 1.9 | 0.0 | 20.6 | 5.9 | 99 | 49 | 1.01 | 14.76 | |
| 04/05/2026 | 2.2 | 0.0 | 22.8 | 7.2 | 99 | 46 | 1.45 | 14.79 | |
| 05/05/2026 | 2.5 | 0.0 | 23.7 | 9.7 | 94 | 41 | 1.84 | 14.64 | |
| 06/05/2026 | 2.6 | 0.0 | 23.2 | 10.2 | 93 | 43 | 2.22 | 14.51 | |
| 07/05/2026 | 2.8 | 0.0 | 23.6 | 9.7 | 78 | 35 | 2.21 | 14.44 | |
| Totals: | 16.5 | 3.6 |
