Evapotranspiration Calculations
Toowoomba 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 | 3.7 | 0.0 | 20.3 | 11.1 | 100 | 45 | 5.87 | 18.49 | |
| 02/09/2026 | 3.7 | 0.0 | 22.8 | 11.1 | 91 | 37 | 3.08 | 18.35 | |
| 03/09/2026 | 5.8 | 0.0 | 27.7 | 12.2 | 69 | 25 | 4.77 | 20.12 | |
| 04/09/2026 | 5.9 | 0.0 | 27.5 | 14.7 | 56 | 19 | 4.16 | 20.24 | |
| 05/09/2026 | 5.3 | 0.0 | 29.0 | 13.2 | 51 | 25 | 3.18 | 19.29 | |
| 06/09/2026 | 6.9 | 0.0 | 29.0 | 18.5 | 71 | 16 | 5.69 | 20.14 | |
| 07/09/2026 | 5.1 | 0.0 | 24.6 | 11.7 | 99 | 25 | 5.32 | 20.53 | |
| 08/09/2026 | 4.1 | 0.0 | 21.4 | 10.8 | 100 | 40 | 5.72 | 19.44 | |
| 09/09/2026 | 4.3 | 0.0 | 22.7 | 10.4 | 93 | 36 | 5.03 | 18.45 | |
| 10/09/2026 | 3.7 | 0.0 | 18.9 | 12.1 | 100 | 47 | 8.43 | 18.23 | |
| 11/09/2026 | 3.2 | 0.0 | 19.2 | 7.8 | 96 | 53 | 5.56 | 16.87 | |
| 12/09/2026 | 3.5 | 0.2 | 19.0 | 8.6 | 96 | 56 | 6.61 | 20.49 | |
| 13/09/2026 | 4.6 | 0.0 | 20.7 | 10.5 | 95 | 38 | 7.10 | 21.34 | |
| 14/09/2026 | 4.2 | 0.0 | 21.3 | 8.4 | 96 | 43 | 5.35 | 21.51 | |
| 15/09/2026 | 4.8 | 0.0 | 25.6 | 10.2 | 99 | 26 | 3.52 | 21.70 | |
| Totals: | 68.8 | 0.2 |
