Evapotranspiration Calculations
Kalgoorlie-Boulder 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 | 4.3 | 0.0 | 22.7 | 7.7 | 67 | 19 | 3.20 | 18.85 | |
| 02/09/2025 | 3.6 | 0.0 | 23.3 | 4.8 | 73 | 21 | 2.01 | 18.98 | |
| 03/09/2025 | 4.6 | 0.0 | 25.6 | 7.4 | 82 | 20 | 3.64 | 15.59 | |
| 04/09/2025 | 3.2 | 0.0 | 19.9 | 12.4 | 82 | 48 | 3.48 | 15.87 | |
| 05/09/2025 | 4.1 | 0.0 | 22.5 | 7.0 | 94 | 30 | 4.85 | 14.72 | |
| 06/09/2025 | 3.8 | 4.8 | 17.9 | 10.2 | 96 | 38 | 8.12 | 15.85 | |
| 07/09/2025 | 3.0 | 0.2 | 16.5 | 5.9 | 92 | 44 | 4.84 | 15.40 | |
| 08/09/2025 | 3.7 | 0.6 | 15.7 | 6.7 | 94 | 28 | 6.15 | 18.81 | |
| 09/09/2025 | 3.4 | 0.0 | 16.7 | 6.6 | 84 | 42 | 4.90 | 18.26 | |
| 10/09/2025 | 3.0 | 0.0 | 17.4 | 3.7 | 99 | 38 | 3.34 | 17.95 | |
| 11/09/2025 | 4.1 | 0.0 | 20.0 | 7.3 | 78 | 30 | 3.89 | 20.41 | |
| 12/09/2025 | 5.5 | 0.0 | 24.4 | 8.8 | 69 | 20 | 4.70 | 20.58 | |
| 13/09/2025 | 8.0 | 0.0 | 30.1 | 11.4 | 59 | 11 | 6.34 | 19.78 | |
| 14/09/2025 | 6.3 | 0.0 | 26.0 | 13.8 | 76 | 31 | 7.76 | 19.38 | |
| 15/09/2025 | 4.4 | 0.0 | 18.0 | 8.4 | 75 | 31 | 6.51 | 16.72 | |
| 16/09/2025 | 3.6 | 0.0 | 18.8 | 4.0 | 94 | 26 | 2.79 | 21.24 | |
| 17/09/2025 | 4.8 | 0.0 | 23.2 | 3.2 | 72 | 18 | 3.40 | 21.42 | |
| 18/09/2025 | 4.8 | 0.0 | 21.8 | 9.3 | 87 | 25 | 4.58 | 21.58 | |
| 19/09/2025 | 4.6 | 0.0 | 22.1 | 6.2 | 78 | 34 | 4.34 | 21.74 | |
| 20/09/2025 | 4.4 | 0.0 | 24.6 | 7.3 | 88 | 31 | 2.91 | 21.92 | |
| Totals: | 87.2 | 5.6 |
