Evapotranspiration Calculations
Port Hedland 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 | 0.0 | 16.0 | 80 | 16 | 4.20 | 22.06 | |||
| 02/09/2025 | 6.4 | 33.4 | 16.0 | 100 | 17 | 3.69 | 22.04 | ||
| 03/09/2025 | 5.9 | 0.0 | 32.0 | 15.3 | 100 | 23 | 3.45 | 22.36 | |
| 04/09/2025 | 6.8 | 0.0 | 34.2 | 16.4 | 99 | 22 | 4.25 | 22.52 | |
| 05/09/2025 | 6.9 | 0.0 | 33.3 | 17.3 | 95 | 32 | 5.46 | 22.72 | |
| 06/09/2025 | 7.0 | 0.0 | 30.3 | 18.5 | 85 | 26 | 6.24 | 21.71 | |
| 07/09/2025 | 6.4 | 0.0 | 28.9 | 13.2 | 87 | 19 | 4.81 | 22.40 | |
| 08/09/2025 | 6.9 | 0.0 | 32.8 | 11.8 | 84 | 10 | 3.79 | 22.67 | |
| 09/09/2025 | 7.5 | 0.0 | 33.8 | 13.4 | 84 | 11 | 4.31 | 21.88 | |
| 10/09/2025 | 8.5 | 0.0 | 32.6 | 18.7 | 59 | 9 | 5.51 | 21.74 | |
| 11/09/2025 | 9.7 | 0.0 | 32.3 | 18.7 | 22 | 10 | 6.16 | 22.74 | |
| 12/09/2025 | 8.4 | 0.0 | 33.5 | 18.8 | 72 | 8 | 5.28 | 22.57 | |
| 13/09/2025 | 7.5 | 0.0 | 31.8 | 15.6 | 89 | 18 | 5.44 | 22.94 | |
| 14/09/2025 | 6.3 | 0.0 | 32.0 | 15.2 | 100 | 24 | 3.87 | 23.58 | |
| 15/09/2025 | 5.5 | 0.0 | 29.9 | 20.7 | 100 | 53 | 6.70 | 23.29 | |
| 16/09/2025 | 7.5 | 0.0 | 32.9 | 18.3 | 85 | 18 | 4.93 | 23.54 | |
| 17/09/2025 | 0.0 | 15.9 | 93 | 19 | 4.63 | 23.75 | |||
| 18/09/2025 | 31.7 | 99 | 28 | 3.35 | 23.97 | ||||
| 19/09/2025 | 6.5 | 0.0 | 33.3 | 17.6 | 96 | 24 | 3.53 | 24.17 | |
| 20/09/2025 | 8.4 | 0.0 | 38.2 | 17.7 | 94 | 9 | 4.15 | 24.25 | |
| Totals: | 122.1 | 0.0 |
