Evapotranspiration Calculations
Perth Airport - 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 | 7.1 | 0.0 | 9.0 | 28.3 | 10.8 | 69 | 23 | 5.47 | 25.12 |
| 02/03/2026 | 7.7 | 0.0 | 7.0 | 32.5 | 14.2 | 73 | 23 | 4.88 | 25.03 |
| 03/03/2026 | 8.1 | 0.0 | 36.7 | 15.0 | 82 | 17 | 4.12 | 24.80 | |
| 04/03/2026 | 11.0 | 0.0 | 9.6 | 38.6 | 20.6 | 55 | 15 | 6.65 | 24.59 |
| 05/03/2026 | 9.9 | 0.0 | 10.2 | 38.5 | 21.5 | 49 | 14 | 5.15 | 24.45 |
| 06/03/2026 | 9.9 | 0.0 | 11.2 | 39.2 | 21.3 | 51 | 14 | 5.12 | 24.26 |
| 07/03/2026 | 10.8 | 0.0 | 11.0 | 41.5 | 21.1 | 61 | 9 | 5.43 | 23.69 |
| 08/03/2026 | 6.7 | 0.0 | 9.6 | 35.5 | 23.4 | 77 | 36 | 3.92 | 21.69 |
| 09/03/2026 | 6.8 | 0.0 | 7.8 | 32.4 | 21.9 | 73 | 38 | 4.58 | 23.57 |
| 10/03/2026 | 6.8 | 0.0 | 9.0 | 26.9 | 18.6 | 66 | 31 | 7.30 | 17.36 |
| 11/03/2026 | 6.6 | 0.0 | 5.0 | 27.0 | 12.9 | 73 | 27 | 6.30 | 21.54 |
| 12/03/2026 | 7.0 | 0.0 | 9.0 | 27.3 | 14.0 | 72 | 30 | 7.86 | 20.16 |
| 13/03/2026 | 6.3 | 0.0 | 8.8 | 27.1 | 17.8 | 66 | 37 | 6.74 | 17.46 |
| Totals: | 104.7 | 0.0 | 107.2 |
