Evapotranspiration Calculations
Geraldton 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 | 3.6 | 0.0 | 21.5 | 4.9 | 92 | 45 | 3.99 | 19.61 | |
| 02/09/2025 | 3.7 | 0.2 | 22.9 | 3.7 | 94 | 49 | 4.51 | 19.64 | |
| 03/09/2025 | 3.0 | 0.0 | 20.5 | 7.9 | 91 | 64 | 4.45 | 19.23 | |
| 04/09/2025 | 3.1 | 0.0 | 20.7 | 8.1 | 94 | 56 | 3.40 | 18.50 | |
| 05/09/2025 | 2.7 | 4.0 | 20.3 | 10.3 | 95 | 65 | 7.74 | 11.69 | |
| 06/09/2025 | 3.2 | 28.4 | 18.4 | 11.7 | 92 | 59 | 7.87 | 16.81 | |
| 07/09/2025 | 3.1 | 1.2 | 19.2 | 12.3 | 92 | 57 | 5.01 | 16.91 | |
| 08/09/2025 | 2.7 | 6.2 | 17.1 | 9.9 | 92 | 62 | 3.94 | 17.55 | |
| 09/09/2025 | 3.3 | 0.2 | 18.1 | 3.1 | 93 | 46 | 4.29 | 20.87 | |
| 10/09/2025 | 3.9 | 0.0 | 20.9 | 5.3 | 92 | 43 | 4.76 | 21.03 | |
| 11/09/2025 | 4.4 | 0.0 | 23.2 | 6.2 | 90 | 38 | 4.49 | 21.16 | |
| 12/09/2025 | 6.0 | 0.0 | 27.6 | 8.5 | 81 | 32 | 6.04 | 21.25 | |
| 13/09/2025 | 2.9 | 2.4 | 22.8 | 11.8 | 95 | 66 | 5.07 | 14.21 | |
| 14/09/2025 | 3.7 | 3.6 | 21.6 | 16.7 | 95 | 57 | 7.54 | 17.54 | |
| 15/09/2025 | 3.1 | 3.6 | 19.2 | 11.4 | 92 | 61 | 4.97 | 17.93 | |
| 16/09/2025 | 3.6 | 0.4 | 19.9 | 6.1 | 92 | 47 | 3.62 | 21.67 | |
| 17/09/2025 | 3.5 | 0.0 | 20.9 | 7.3 | 95 | 50 | 4.16 | 19.30 | |
| 18/09/2025 | 3.5 | 0.6 | 20.5 | 9.5 | 96 | 55 | 4.29 | 21.23 | |
| 19/09/2025 | 3.5 | 0.0 | 21.8 | 6.5 | 94 | 59 | 4.43 | 20.63 | |
| 20/09/2025 | 4.2 | 0.2 | 24.4 | 8.5 | 96 | 52 | 4.54 | 22.47 | |
| Totals: | 70.7 | 51.0 |
