Evapotranspiration Calculations
St George Airport - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2026 | 4.8 | 0.0 | 26.5 | 11.7 | 79 | 26 | 3.47 | 19.48 | |
| 02/09/2026 | 5.3 | 0.0 | 30.1 | 14.2 | 68 | 23 | 3.31 | 19.02 | |
| 03/09/2026 | 7.4 | 0.0 | 32.7 | 15.5 | 56 | 20 | 5.23 | 19.82 | |
| 04/09/2026 | 4.3 | 0.0 | 30.4 | 11.2 | 80 | 24 | 1.90 | 19.97 | |
| 05/09/2026 | 7.1 | 0.0 | 33.7 | 15.1 | 64 | 19 | 4.58 | 19.29 | |
| 06/09/2026 | 6.1 | 0.0 | 27.4 | 18.3 | 60 | 18 | 4.35 | 20.20 | |
| 07/09/2026 | 5.0 | 0.0 | 26.3 | 7.6 | 80 | 18 | 3.32 | 20.35 | |
| 08/09/2026 | 4.3 | 0.0 | 25.7 | 7.8 | 86 | 17 | 2.37 | 20.46 | |
| 09/09/2026 | 5.5 | 0.0 | 28.0 | 7.9 | 74 | 20 | 3.70 | 20.55 | |
| 10/09/2026 | 5.6 | 0.0 | 26.9 | 12.7 | 63 | 30 | 4.71 | 18.98 | |
| 11/09/2026 | 5.3 | 0.0 | 25.0 | 13.6 | 67 | 22 | 3.90 | 20.49 | |
| 12/09/2026 | 5.0 | 0.0 | 26.1 | 14.4 | 75 | 21 | 3.30 | 20.32 | |
| 13/09/2026 | 4.8 | 0.0 | 27.5 | 12.8 | 75 | 23 | 2.63 | 20.70 | |
| 14/09/2026 | 5.7 | 0.0 | 28.9 | 11.5 | 64 | 26 | 3.64 | 21.25 | |
| 15/09/2026 | 7.2 | 0.0 | 32.9 | 15.5 | 47 | 17 | 4.22 | 21.02 | |
| Totals: | 83.4 | 0.0 |
