Evapotranspiration Calculations
Whyalla Aero - 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 | 2.2 | 0.2 | 15.5 | 2.8 | 95 | 59 | 2.80 | 17.90 | |
| 02/09/2025 | 4.6 | 0.2 | 22.8 | 4.8 | 95 | 23 | 4.93 | 18.04 | |
| 03/09/2025 | 2.9 | 0.0 | 18.7 | 6.0 | 90 | 48 | 3.87 | 15.76 | |
| 04/09/2025 | 2.4 | 0.0 | 16.4 | 4.7 | 94 | 62 | 4.02 | 17.48 | |
| 05/09/2025 | 4.5 | 0.0 | 24.3 | 9.1 | 87 | 28 | 4.55 | 15.54 | |
| 06/09/2025 | 8.9 | 0.0 | 33.8 | 11.6 | 66 | 17 | 7.43 | 15.31 | |
| 07/09/2025 | 6.7 | 2.4 | 26.9 | 14.5 | 83 | 16 | 7.03 | 18.33 | |
| 08/09/2025 | 4.3 | 0.0 | 23.5 | 5.8 | 78 | 23 | 3.51 | 17.85 | |
| 09/09/2025 | 3.6 | 0.0 | 20.4 | 11.0 | 85 | 47 | 5.70 | 14.96 | |
| 10/09/2025 | 3.0 | 2.6 | 15.9 | 9.1 | 93 | 50 | 6.55 | 15.15 | |
| 11/09/2025 | 2.9 | 1.6 | 16.4 | 9.8 | 95 | 53 | 4.60 | 19.02 | |
| 12/09/2025 | 3.0 | 0.0 | 16.4 | 6.0 | 93 | 44 | 3.72 | 19.33 | |
| 13/09/2025 | 4.4 | 0.0 | 23.2 | 3.8 | 95 | 23 | 3.72 | 19.80 | |
| 14/09/2025 | 7.8 | 0.0 | 26.4 | 8.5 | 55 | 16 | 8.11 | 20.07 | |
| 15/09/2025 | 0.0 | 18.2 | 90 | 11 | 9.31 | 16.71 | |||
| 16/09/2025 | 17.04 | ||||||||
| 17/09/2025 | 0.0 | 20.9 | 5.2 | 20.09 | |||||
| 18/09/2025 | 6.5 | 0.0 | 28.5 | 5.4 | 76 | 17 | 4.99 | 20.00 | |
| 19/09/2025 | 5.5 | 0.0 | 24.9 | 8.4 | 85 | 22 | 5.10 | 20.97 | |
| 20/09/2025 | 3.5 | 0.0 | 17.4 | 6.5 | 82 | 41 | 4.50 | 18.88 | |
| Totals: | 76.7 | 7.0 |
