Evapotranspiration Calculations
Gabo Island Lighthouse - 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 | 2.6 | 0.0 | 15.7 | 9.7 | 86 | 62 | 7.09 | 15.32 | |
| 02/09/2025 | 2.0 | 0.0 | 16.5 | 8.0 | 92 | 68 | 4.71 | 12.74 | |
| 03/09/2025 | 3.9 | 0.0 | 22.3 | 9.7 | 84 | 32 | 4.55 | 13.82 | |
| 04/09/2025 | 2.2 | 0.0 | 16.1 | 9.0 | 93 | 68 | 7.43 | 12.44 | |
| 05/09/2025 | 2.9 | 0.0 | 14.8 | 8.3 | 81 | 60 | 9.00 | 15.65 | |
| 06/09/2025 | 3.0 | 0.0 | 17.9 | 6.8 | 90 | 54 | 5.88 | 16.95 | |
| 07/09/2025 | 2.7 | 0.0 | 23.3 | 9.5 | 92 | 65 | 5.08 | 11.73 | |
| 08/09/2025 | 3.9 | 0.0 | 25.9 | 15.4 | 91 | 43 | 3.78 | 16.67 | |
| 09/09/2025 | 2.6 | 0.0 | 16.0 | 10.4 | 85 | 70 | 8.82 | 16.85 | |
| 10/09/2025 | 2.0 | 0.0 | 13.7 | 9.9 | 93 | 69 | 6.96 | 11.51 | |
| 11/09/2025 | 2.3 | 5.2 | 14.8 | 10.7 | 94 | 66 | 11.55 | 12.12 | |
| 12/09/2025 | 3.2 | 0.6 | 16.4 | 10.0 | 79 | 62 | 10.60 | 15.70 | |
| 13/09/2025 | 2.8 | 0.0 | 17.1 | 12.0 | 84 | 69 | 7.65 | 16.83 | |
| 14/09/2025 | 2.5 | 0.0 | 18.2 | 10.8 | 91 | 67 | 2.97 | 16.58 | |
| 15/09/2025 | 3.7 | 0.0 | 22.6 | 9.8 | 92 | 55 | 6.14 | 18.69 | |
| 16/09/2025 | 3.5 | 0.0 | 24.0 | 13.5 | 94 | 36 | 4.31 | 8.08 | |
| 17/09/2025 | 3.8 | 2.4 | 17.2 | 9.3 | 88 | 48 | 9.68 | 19.02 | |
| 18/09/2025 | 3.3 | 0.0 | 16.6 | 9.4 | 83 | 53 | 6.14 | 18.79 | |
| 19/09/2025 | 4.0 | 0.0 | 21.2 | 9.5 | 87 | 40 | 5.12 | 17.88 | |
| 20/09/2025 | 3.5 | 1.2 | 15.6 | 9.6 | 87 | 51 | 11.19 | 17.84 | |
| Totals: | 60.4 | 9.4 |
