Evapotranspiration Calculations
Bankstown Airport - September 2025 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2025 | 3.0 | 0.0 | 20.5 | 5.3 | 89 | 32 | 2.20 | 17.59 | |
| 02/09/2025 | 2.5 | 0.0 | 20.9 | 8.0 | 98 | 48 | 2.26 | 13.70 | |
| 03/09/2025 | 2.9 | 0.0 | 22.5 | 5.8 | 99 | 31 | 1.66 | 17.91 | |
| 04/09/2025 | 3.6 | 0.2 | 24.6 | 9.0 | 88 | 22 | 2.68 | 13.57 | |
| 05/09/2025 | 2.9 | 0.0 | 19.5 | 7.3 | 84 | 49 | 3.27 | 15.68 | |
| 06/09/2025 | 2.8 | 0.0 | 21.5 | 8.2 | 91 | 46 | 2.16 | 16.74 | |
| 07/09/2025 | 3.6 | 0.0 | 26.6 | 7.5 | 99 | 28 | 2.02 | 18.44 | |
| 08/09/2025 | 5.2 | 0.0 | 29.5 | 15.2 | 56 | 30 | 3.57 | 17.61 | |
| 09/09/2025 | 3.3 | 2.0 | 26.5 | 14.8 | 91 | 40 | 2.45 | 13.57 | |
| 10/09/2025 | 1.8 | 5.6 | 18.3 | 14.8 | 98 | 65 | 3.67 | 6.78 | |
| 11/09/2025 | 2.7 | 51.6 | 18.0 | 10.1 | 94 | 48 | 4.10 | 12.54 | |
| 12/09/2025 | 3.1 | 0.8 | 20.6 | 7.3 | 97 | 33 | 1.95 | 19.40 | |
| 13/09/2025 | 3.2 | 0.2 | 22.3 | 7.9 | 92 | 36 | 1.82 | 19.19 | |
| 14/09/2025 | 3.2 | 0.0 | 24.8 | 7.9 | 99 | 31 | 1.24 | 19.77 | |
| 15/09/2025 | 4.0 | 0.2 | 27.8 | 6.8 | 97 | 21 | 1.83 | 19.94 | |
| 16/09/2025 | 5.4 | 0.0 | 28.3 | 14.8 | 67 | 28 | 4.28 | 15.66 | |
| 17/09/2025 | 4.8 | 0.0 | 26.3 | 17.6 | 80 | 22 | 3.05 | 20.14 | |
| 18/09/2025 | 3.5 | 0.0 | 21.7 | 7.7 | 91 | 35 | 2.29 | 20.41 | |
| 19/09/2025 | 3.8 | 0.0 | 25.5 | 7.7 | 98 | 28 | 2.02 | 19.46 | |
| 20/09/2025 | 5.1 | 2.8 | 22.6 | 16.1 | 83 | 24 | 4.87 | 20.41 | |
| Totals: | 70.4 | 63.4 |
