Evapotranspiration Calculations
St George Airport - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 7.4 | 0.0 | 29.7 | 22.5 | 54 | 20 | 5.04 | 21.23 | |
| 02/10/2025 | 6.7 | 0.0 | 29.7 | 7.8 | 88 | 11 | 3.87 | 24.48 | |
| 03/10/2025 | 6.1 | 0.0 | 26.5 | 8.5 | 77 | 15 | 3.95 | 24.50 | |
| 04/10/2025 | 6.4 | 0.0 | 29.3 | 8.2 | 70 | 19 | 3.68 | 24.64 | |
| 05/10/2025 | 6.5 | 0.0 | 32.1 | 9.7 | 74 | 18 | 3.10 | 24.79 | |
| 06/10/2025 | 8.2 | 0.0 | 36.0 | 17.0 | 50 | 10 | 3.79 | 24.81 | |
| 07/10/2025 | 7.3 | 0.0 | 36.3 | 12.0 | 71 | 11 | 3.01 | 24.91 | |
| 08/10/2025 | 9.0 | 0.0 | 37.1 | 18.2 | 50 | 12 | 4.48 | 24.85 | |
| 09/10/2025 | 10.4 | 0.0 | 38.4 | 21.5 | 71 | 20 | 6.98 | 23.96 | |
| 10/10/2025 | 7.3 | 2.4 | 35.9 | 18.6 | 77 | 32 | 3.90 | 24.84 | |
| 11/10/2025 | 7.3 | 0.0 | 35.3 | 21.3 | 83 | 21 | 3.47 | 25.68 | |
| 12/10/2025 | 7.4 | 0.0 | 35.9 | 16.6 | 64 | 13 | 3.44 | 21.67 | |
| 13/10/2025 | 6.5 | 0.0 | 30.7 | 17.4 | 64 | 20 | 3.09 | 25.04 | |
| 14/10/2025 | 7.2 | 0.0 | 33.0 | 13.8 | 48 | 16 | 3.25 | 25.99 | |
| Totals: | 103.7 | 2.4 |
