Evapotranspiration Calculations
Perth Metro - March 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/03/2026 | 5.7 | 0.0 | 26.3 | 11.8 | 71 | 27 | 3.39 | 25.12 | |
| 02/03/2026 | 5.5 | 0.0 | 29.3 | 11.9 | 85 | 31 | 2.75 | 24.99 | |
| 03/03/2026 | 5.8 | 0.0 | 33.4 | 16.0 | 79 | 26 | 2.11 | 24.80 | |
| 04/03/2026 | 7.4 | 0.0 | 36.6 | 20.8 | 56 | 18 | 3.11 | 24.58 | |
| 05/03/2026 | 6.6 | 0.0 | 36.7 | 20.6 | 61 | 19 | 2.39 | 24.45 | |
| 06/03/2026 | 6.9 | 0.0 | 37.1 | 21.2 | 59 | 19 | 2.67 | 24.24 | |
| 07/03/2026 | 7.6 | 0.0 | 40.3 | 21.1 | 61 | 13 | 2.88 | 23.87 | |
| 08/03/2026 | 5.4 | 0.0 | 33.5 | 22.7 | 85 | 40 | 2.38 | 21.73 | |
| 09/03/2026 | 5.3 | 0.0 | 30.6 | 21.7 | 82 | 43 | 2.66 | 22.49 | |
| 10/03/2026 | 5.4 | 0.0 | 25.2 | 18.4 | 68 | 32 | 4.34 | 18.86 | |
| 11/03/2026 | 5.0 | 0.0 | 25.9 | 14.1 | 71 | 29 | 3.30 | 20.46 | |
| 12/03/2026 | 5.2 | 0.0 | 26.7 | 14.9 | 71 | 33 | 3.50 | 20.86 | |
| 13/03/2026 | 4.7 | 0.0 | 26.7 | 17.7 | 68 | 39 | 3.25 | 17.39 | |
| Totals: | 76.5 | 0.0 |
