Evapotranspiration Calculations
Ballina Airport - January 2026 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 6.0 | 0.4 | 28.6 | 20.0 | 95 | 56 | 3.28 | 29.53 | |
| 02/01/2026 | 2.8 | 37.0 | 25.1 | 19.6 | 97 | 72 | 3.24 | 11.79 | |
| 03/01/2026 | 4.3 | 8.0 | 26.4 | 17.9 | 97 | 68 | 3.39 | 21.99 | |
| 04/01/2026 | 4.5 | 0.0 | 27.9 | 19.0 | 93 | 64 | 3.18 | 20.64 | |
| 05/01/2026 | 5.4 | 0.0 | 29.1 | 21.1 | 94 | 64 | 3.45 | 25.88 | |
| 06/01/2026 | 5.5 | 0.0 | 28.4 | 19.0 | 94 | 64 | 2.55 | 28.28 | |
| 07/01/2026 | 5.7 | 0.0 | 28.0 | 17.9 | 97 | 58 | 2.64 | 29.75 | |
| 08/01/2026 | 5.6 | 0.6 | 28.2 | 19.3 | 95 | 60 | 3.36 | 28.60 | |
| 09/01/2026 | 6.2 | 0.0 | 29.0 | 16.6 | 96 | 52 | 4.75 | 29.58 | |
| Totals: | 46.0 | 46.0 |
