Evapotranspiration Calculations
Ballina Airport - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 4.5 | 0.0 | 27.8 | 19.6 | 93 | 59 | 5.02 | 19.19 | |
| 02/10/2025 | 5.4 | 0.0 | 28.7 | 13.3 | 96 | 28 | 3.02 | 24.36 | |
| 03/10/2025 | 4.6 | 0.2 | 23.4 | 9.9 | 94 | 35 | 3.10 | 24.39 | |
| 04/10/2025 | 4.1 | 0.0 | 23.9 | 8.4 | 97 | 54 | 3.43 | 24.05 | |
| 05/10/2025 | 4.7 | 0.0 | 25.6 | 11.1 | 98 | 46 | 3.35 | 24.81 | |
| 06/10/2025 | 6.3 | 0.0 | 32.1 | 10.8 | 93 | 25 | 3.36 | 24.67 | |
| 07/10/2025 | 4.6 | 0.0 | 25.7 | 15.2 | 93 | 61 | 4.61 | 24.55 | |
| 08/10/2025 | 0.0 | 17.3 | 97 | 58 | 4.99 | 24.75 | |||
| 09/10/2025 | 27.9 | 85 | 53 | 7.31 | 25.30 | ||||
| 10/10/2025 | 5.3 | 0.0 | 28.6 | 17.3 | 96 | 58 | 6.53 | 24.42 | |
| 11/10/2025 | 5.4 | 0.0 | 29.5 | 18.7 | 92 | 59 | 5.13 | 25.02 | |
| 12/10/2025 | 3.6 | 0.0 | 29.7 | 19.2 | 97 | 40 | 2.16 | 12.77 | |
| 13/10/2025 | 4.6 | 1.8 | 27.4 | 19.2 | 91 | 58 | 4.43 | 20.41 | |
| 14/10/2025 | 4.8 | 0.2 | 24.6 | 19.8 | 83 | 57 | 4.97 | 22.13 | |
| Totals: | 57.9 | 2.2 |
