Evapotranspiration Calculations
Broken Hill 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 | 2.9 | 0.2 | 17.0 | 4.3 | 87 | 42 | 3.50 | 17.81 | |
| 02/09/2025 | 3.8 | 0.0 | 20.3 | 4.3 | 82 | 26 | 3.51 | 18.31 | |
| 03/09/2025 | 4.9 | 0.0 | 22.8 | 5.1 | 62 | 17 | 4.26 | 17.98 | |
| 04/09/2025 | 4.6 | 0.0 | 23.6 | 7.0 | 50 | 16 | 3.21 | 18.57 | |
| 05/09/2025 | 5.7 | 0.0 | 23.0 | 9.4 | 68 | 24 | 6.97 | 17.27 | |
| 06/09/2025 | 8.4 | 0.0 | 30.7 | 13.1 | 46 | 17 | 7.39 | 17.38 | |
| 07/09/2025 | 8.2 | 0.0 | 29.7 | 19.1 | 48 | 28 | 8.29 | 18.75 | |
| 08/09/2025 | 5.2 | 0.2 | 27.8 | 12.0 | 56 | 18 | 3.33 | 18.74 | |
| 09/09/2025 | 5.2 | 0.0 | 24.8 | 13.7 | 91 | 30 | 6.98 | 14.90 | |
| 10/09/2025 | 2.3 | 12.0 | 13.1 | 9.9 | 99 | 57 | 7.80 | 12.30 | |
| 11/09/2025 | 3.2 | 1.6 | 16.1 | 7.5 | 88 | 50 | 6.41 | 16.97 | |
| 12/09/2025 | 3.0 | 0.0 | 16.1 | 4.8 | 97 | 40 | 3.65 | 19.34 | |
| 13/09/2025 | 3.0 | 0.2 | 18.8 | 4.1 | 88 | 33 | 1.83 | 18.96 | |
| 14/09/2025 | 5.0 | 0.0 | 22.9 | 7.1 | 77 | 22 | 4.52 | 20.38 | |
| 15/09/2025 | 8.2 | 0.0 | 27.8 | 12.1 | 45 | 15 | 7.89 | 17.31 | |
| 16/09/2025 | 3.8 | 0.0 | 18.5 | 17.1 | 69 | 24 | 4.33 | 8.35 | |
| 17/09/2025 | 3.7 | 0.0 | 19.9 | 4.9 | 85 | 25 | 2.67 | 20.85 | |
| 18/09/2025 | 4.9 | 0.0 | 24.0 | 5.2 | 69 | 16 | 3.36 | 21.00 | |
| 19/09/2025 | 6.4 | 0.0 | 26.2 | 13.6 | 51 | 24 | 6.51 | 12.56 | |
| 20/09/2025 | 4.5 | 0.0 | 18.4 | 9.0 | 82 | 30 | 6.15 | 21.06 | |
| Totals: | 96.9 | 14.2 |
