Evapotranspiration Calculations
Birdsville Airport - 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 | 4.6 | 0.0 | 21.3 | 3.6 | 69 | 22 | 4.06 | 20.19 | |
| 02/09/2025 | 4.8 | 0.0 | 23.9 | 6.0 | 71 | 20 | 3.54 | 20.25 | |
| 03/09/2025 | 5.1 | 0.0 | 26.3 | 6.8 | 65 | 15 | 3.11 | 20.52 | |
| 04/09/2025 | 5.6 | 0.0 | 29.5 | 7.9 | 60 | 18 | 3.24 | 20.67 | |
| 05/09/2025 | 6.9 | 0.0 | 33.8 | 13.7 | 48 | 15 | 3.70 | 20.75 | |
| 06/09/2025 | 9.0 | 0.0 | 35.4 | 15.6 | 65 | 24 | 7.25 | 19.11 | |
| 07/09/2025 | 8.0 | 2.0 | 34.8 | 20.0 | 77 | 32 | 7.31 | 19.21 | |
| 08/09/2025 | 8.9 | 0.2 | 38.0 | 19.8 | 95 | 26 | 7.25 | 20.86 | |
| 09/09/2025 | 3.7 | 9.6 | 26.6 | 20.9 | 94 | 68 | 7.52 | 14.61 | |
| 10/09/2025 | 4.8 | 5.4 | 21.3 | 12.3 | 89 | 36 | 6.76 | 21.78 | |
| 11/09/2025 | 4.4 | 0.0 | 21.5 | 8.4 | 91 | 34 | 4.79 | 21.60 | |
| 12/09/2025 | 4.7 | 0.0 | 21.9 | 9.3 | 85 | 31 | 4.80 | 21.86 | |
| 13/09/2025 | 5.3 | 0.0 | 24.6 | 8.6 | 82 | 26 | 4.50 | 21.92 | |
| 14/09/2025 | 5.9 | 0.0 | 30.0 | 9.7 | 79 | 18 | 3.47 | 22.10 | |
| 15/09/2025 | 7.5 | 0.0 | 33.0 | 12.7 | 61 | 17 | 4.58 | 22.21 | |
| 16/09/2025 | 9.6 | 0.0 | 36.9 | 15.2 | 65 | 10 | 5.67 | 22.31 | |
| 17/09/2025 | 6.8 | 0.0 | 29.9 | 13.0 | 61 | 26 | 4.95 | 22.52 | |
| 18/09/2025 | 7.0 | 0.0 | 36.4 | 16.3 | 64 | 15 | 3.38 | 19.99 | |
| 19/09/2025 | 7.9 | 0.0 | 36.1 | 20.7 | 87 | 27 | 6.61 | 16.48 | |
| 20/09/2025 | 5.8 | 0.2 | 27.4 | 17.4 | 95 | 25 | 5.00 | 21.50 | |
| Totals: | 126.3 | 17.4 |
