Evapotranspiration Calculations
Broken Hill Airport - December 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/12/2025 | 7.9 | 0.0 | 23.1 | 13.1 | 62 | 19 | 9.23 | 25.68 | |
| 02/12/2025 | 7.0 | 0.0 | 25.6 | 7.1 | 63 | 15 | 3.88 | 31.43 | |
| 03/12/2025 | 8.4 | 0.0 | 31.8 | 14.1 | 33 | 11 | 3.54 | 31.44 | |
| 04/12/2025 | 10.6 | 0.0 | 36.8 | 16.8 | 22 | 6 | 4.57 | 30.73 | |
| 05/12/2025 | 11.8 | 0.0 | 39.9 | 20.4 | 17 | 6 | 5.68 | 21.94 | |
| 06/12/2025 | 11.0 | 0.0 | 37.3 | 23.1 | 53 | 12 | 7.13 | 18.85 | |
| 07/12/2025 | 8.9 | 0.0 | 26.0 | 12.1 | 53 | 10 | 7.02 | 31.00 | |
| 08/12/2025 | 8.5 | 0.0 | 33.7 | 14.1 | 26 | 7 | 3.13 | 31.81 | |
| 09/12/2025 | 10.5 | 0.0 | 36.6 | 16.7 | 32 | 8 | 4.78 | 30.03 | |
| 10/12/2025 | 14.0 | 0.0 | 38.0 | 23.9 | 27 | 10 | 8.68 | 26.15 | |
| 11/12/2025 | 11.1 | 0.0 | 35.8 | 18.8 | 36 | 13 | 6.09 | 29.36 | |
| 12/12/2025 | 10.3 | 0.0 | 38.1 | 21.7 | 28 | 11 | 4.58 | 26.17 | |
| 13/12/2025 | 7.3 | 1.0 | 31.3 | 23.8 | 69 | 20 | 4.72 | 19.27 | |
| 14/12/2025 | 10.4 | 0.6 | 31.8 | 15.5 | 70 | 11 | 7.31 | 31.70 | |
| 15/12/2025 | 9.4 | 0.0 | 26.3 | 12.8 | 53 | 13 | 8.03 | 31.97 | |
| 16/12/2025 | 9.7 | 0.0 | 30.1 | 14.9 | 33 | 14 | 5.80 | 31.99 | |
| 17/12/2025 | 8.9 | 0.0 | 38.5 | 13.7 | 32 | 10 | 2.83 | 31.98 | |
| 18/12/2025 | 11.6 | 0.0 | 40.0 | 27.5 | 39 | 13 | 5.14 | 30.46 | |
| Totals: | 177.3 | 1.6 |
