Evapotranspiration Calculations
Blackall 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 | 4.4 | 0.0 | 23.9 | 3.1 | 62 | 15 | 2.54 | 20.97 | |
| 02/09/2025 | 4.5 | 0.0 | 26.3 | 6.3 | 75 | 21 | 2.59 | 20.68 | |
| 03/09/2025 | 5.0 | 0.0 | 27.8 | 8.3 | 63 | 18 | 2.73 | 21.14 | |
| 04/09/2025 | 5.3 | 0.0 | 27.7 | 8.2 | 64 | 21 | 3.32 | 20.64 | |
| 05/09/2025 | 4.6 | 0.0 | 28.9 | 12.9 | 79 | 31 | 3.37 | 14.43 | |
| 06/09/2025 | 6.5 | 0.0 | 29.9 | 12.0 | 84 | 19 | 4.79 | 21.60 | |
| 07/09/2025 | 6.5 | 0.0 | 29.5 | 15.8 | 70 | 26 | 5.11 | 21.57 | |
| 08/09/2025 | 6.3 | 0.0 | 30.5 | 15.4 | 77 | 23 | 4.33 | 21.78 | |
| 09/09/2025 | 5.6 | 0.0 | 30.4 | 14.5 | 62 | 24 | 3.21 | 19.85 | |
| 10/09/2025 | 7.0 | 0.0 | 31.4 | 16.7 | 57 | 22 | 5.04 | 18.42 | |
| 11/09/2025 | 6.0 | 0.0 | 24.8 | 8.5 | 59 | 14 | 4.52 | 22.02 | |
| 12/09/2025 | 5.9 | 0.0 | 25.5 | 8.5 | 65 | 12 | 4.17 | 22.12 | |
| 13/09/2025 | 5.7 | 0.0 | 26.6 | 10.1 | 61 | 16 | 3.63 | 21.97 | |
| 14/09/2025 | 5.5 | 0.0 | 27.9 | 9.1 | 61 | 22 | 3.48 | 20.49 | |
| 15/09/2025 | 6.1 | 0.0 | 28.9 | 13.6 | 75 | 23 | 4.16 | 22.61 | |
| 16/09/2025 | 6.8 | 0.0 | 31.5 | 18.2 | 58 | 25 | 4.63 | 19.24 | |
| 17/09/2025 | 6.6 | 0.0 | 34.4 | 21.2 | 60 | 23 | 3.26 | 21.88 | |
| 18/09/2025 | 6.8 | 0.0 | 35.0 | 18.7 | 60 | 18 | 3.28 | 21.71 | |
| 19/09/2025 | 7.5 | 0.0 | 34.8 | 17.9 | 66 | 14 | 3.97 | 23.12 | |
| 20/09/2025 | 5.4 | 0.0 | 27.7 | 18.2 | 76 | 30 | 4.74 | 14.92 | |
| Totals: | 118.0 | 0.0 |
