Evapotranspiration Calculations
Gold Coast Seaway - 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 | 2.5 | 0.4 | 20.8 | 14.1 | 94 | 67 | 3.29 | 13.51 | |
| 02/09/2025 | 3.3 | 0.8 | 22.1 | 12.5 | 90 | 62 | 4.04 | 19.56 | |
| 03/09/2025 | 3.4 | 0.0 | 22.9 | 13.8 | 89 | 60 | 3.37 | 19.51 | |
| 04/09/2025 | 3.5 | 0.0 | 25.0 | 15.0 | 91 | 58 | 3.33 | 17.98 | |
| 05/09/2025 | 4.1 | 0.0 | 24.0 | 15.7 | 90 | 51 | 5.28 | 18.23 | |
| 06/09/2025 | 3.9 | 1.0 | 21.8 | 15.8 | 87 | 57 | 7.11 | 17.56 | |
| 07/09/2025 | 3.9 | 0.0 | 22.8 | 14.1 | 80 | 47 | 3.54 | 18.82 | |
| 08/09/2025 | 4.1 | 0.0 | 24.7 | 12.8 | 86 | 47 | 3.73 | 19.98 | |
| 09/09/2025 | 4.4 | 0.0 | 26.8 | 14.9 | 89 | 45 | 3.52 | 20.86 | |
| 10/09/2025 | 3.8 | 0.0 | 25.9 | 18.7 | 87 | 58 | 3.83 | 17.10 | |
| 11/09/2025 | 5.5 | 0.0 | 22.9 | 16.4 | 83 | 27 | 6.39 | 21.30 | |
| 12/09/2025 | 4.1 | 0.0 | 22.0 | 11.4 | 83 | 52 | 5.16 | 21.23 | |
| 13/09/2025 | 3.1 | 2.8 | 21.6 | 13.9 | 92 | 66 | 3.49 | 18.23 | |
| 14/09/2025 | 3.8 | 0.0 | 22.9 | 13.9 | 89 | 55 | 3.27 | 21.35 | |
| 15/09/2025 | 4.1 | 0.0 | 24.5 | 13.8 | 86 | 52 | 3.36 | 21.75 | |
| 16/09/2025 | 4.0 | 0.0 | 25.4 | 12.5 | 87 | 56 | 3.97 | 19.65 | |
| 17/09/2025 | 4.4 | 0.0 | 27.4 | 18.3 | 91 | 55 | 3.28 | 21.74 | |
| 18/09/2025 | 3.8 | 0.0 | 24.3 | 18.7 | 95 | 72 | 5.66 | 22.12 | |
| 19/09/2025 | 4.0 | 0.0 | 26.6 | 19.4 | 90 | 66 | 3.45 | 20.38 | |
| 20/09/2025 | 3.4 | 0.0 | 24.1 | 19.4 | 87 | 50 | 3.73 | 11.61 | |
| Totals: | 77.1 | 5.0 |
