Evapotranspiration Calculations
Ivanhoe Aerodrome - 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 | 2.9 | 0.0 | 19.3 | 2.4 | 99 | 38 | 2.84 | 16.43 | |
| 02/09/2025 | 3.0 | 0.0 | 20.3 | 2.4 | 99 | 30 | 2.31 | 17.89 | |
| 03/09/2025 | 5.1 | 0.0 | 24.3 | 7.3 | 68 | 19 | 4.58 | 17.45 | |
| 04/09/2025 | 4.4 | 0.0 | 25.0 | 9.0 | 62 | 23 | 3.05 | 17.79 | |
| 05/09/2025 | 4.1 | 0.0 | 22.2 | 5.7 | 85 | 28 | 4.08 | 16.61 | |
| 06/09/2025 | 6.8 | 0.0 | 30.1 | 8.1 | 62 | 19 | 5.27 | 18.18 | |
| 07/09/2025 | 7.2 | 0.0 | 28.6 | 18.9 | 70 | 29 | 8.75 | 15.36 | |
| 08/09/2025 | 4.8 | 4.0 | 28.9 | 13.8 | 96 | 22 | 3.22 | 18.83 | |
| 09/09/2025 | 4.5 | 0.0 | 25.6 | 10.7 | 98 | 28 | 4.12 | 17.73 | |
| 10/09/2025 | 1.2 | 15.6 | 12.4 | 10.2 | 99 | 81 | 5.43 | 6.94 | |
| 11/09/2025 | 2.8 | 8.2 | 16.9 | 6.8 | 98 | 52 | 5.16 | 15.39 | |
| 12/09/2025 | 3.0 | 0.2 | 18.1 | 4.9 | 99 | 43 | 3.29 | 18.77 | |
| 13/09/2025 | 2.7 | 0.0 | 20.2 | 3.9 | 99 | 39 | 1.46 | 18.26 | |
| 14/09/2025 | 4.0 | 0.0 | 22.9 | 7.3 | 96 | 31 | 3.29 | 20.06 | |
| 15/09/2025 | 6.5 | 0.0 | 28.6 | 7.4 | 75 | 21 | 5.44 | 19.94 | |
| 16/09/2025 | 4.6 | 0.0 | 26.2 | 18.9 | 75 | 32 | 4.34 | 12.68 | |
| 17/09/2025 | 3.5 | 0.0 | 20.2 | 7.5 | 93 | 31 | 2.69 | 20.08 | |
| 18/09/2025 | 4.6 | 0.0 | 23.9 | 5.4 | 84 | 20 | 3.31 | 20.68 | |
| 19/09/2025 | 3.7 | 0.2 | 23.9 | 10.3 | 80 | 43 | 4.84 | 8.18 | |
| 20/09/2025 | 4.1 | 0.0 | 18.9 | 10.3 | 71 | 30 | 3.79 | 19.23 | |
| Totals: | 83.5 | 28.2 |
