Evapotranspiration Calculations
Sydney Airport Amo - 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 | 3.5 | 0.0 | 4.6 | 18.1 | 9.0 | 72 | 46 | 4.87 | 17.58 |
| 02/09/2025 | 3.3 | 0.8 | 4.0 | 20.5 | 12.1 | 91 | 45 | 4.47 | 15.26 |
| 03/09/2025 | 4.2 | 0.0 | 4.0 | 23.1 | 10.1 | 89 | 27 | 4.22 | 17.88 |
| 04/09/2025 | 5.5 | 0.0 | 5.0 | 24.9 | 14.2 | 69 | 17 | 5.37 | 13.41 |
| 05/09/2025 | 3.6 | 0.0 | 7.6 | 17.7 | 13.0 | 76 | 50 | 6.18 | 16.96 |
| 06/09/2025 | 4.1 | 0.0 | 4.0 | 21.1 | 11.1 | 75 | 42 | 5.46 | 17.31 |
| 07/09/2025 | 4.1 | 0.0 | 5.6 | 23.9 | 11.7 | 88 | 47 | 5.21 | 18.53 |
| 08/09/2025 | 7.2 | 0.0 | 7.4 | 30.1 | 17.1 | 56 | 26 | 6.56 | 17.57 |
| 09/09/2025 | 4.6 | 0.2 | 8.0 | 27.1 | 17.1 | 83 | 33 | 4.38 | 13.95 |
| 10/09/2025 | 1.6 | 4.0 | 3.8 | 17.8 | 16.4 | 97 | 77 | 6.56 | 5.75 |
| 11/09/2025 | 2.5 | 97.2 | 15.9 | 9.7 | 96 | 62 | 9.73 | 11.61 | |
| 12/09/2025 | 3.4 | 5.0 | 2.4 | 19.1 | 10.2 | 84 | 43 | 3.59 | 19.28 |
| 13/09/2025 | 3.3 | 0.0 | 4.8 | 21.4 | 10.5 | 86 | 47 | 3.09 | 17.94 |
| 14/09/2025 | 4.6 | 0.0 | 5.6 | 24.7 | 10.8 | 92 | 28 | 3.92 | 19.75 |
| 15/09/2025 | 5.9 | 0.0 | 6.0 | 28.7 | 11.4 | 73 | 16 | 4.07 | 19.96 |
| 16/09/2025 | 6.8 | 0.0 | 7.6 | 28.4 | 18.7 | 67 | 29 | 7.30 | 15.37 |
| 17/09/2025 | 6.0 | 0.4 | 8.6 | 26.4 | 18.4 | 76 | 22 | 5.36 | 20.15 |
| 18/09/2025 | 4.1 | 0.0 | 7.4 | 20.8 | 11.1 | 79 | 44 | 4.84 | 20.39 |
| 19/09/2025 | 5.4 | 0.0 | 5.2 | 26.1 | 11.5 | 88 | 22 | 4.74 | 19.73 |
| 20/09/2025 | 5.7 | 4.6 | 6.0 | 22.7 | 16.0 | 88 | 24 | 7.48 | 20.73 |
| Totals: | 89.4 | 112.2 | 107.6 |
