Evapotranspiration Calculations
Ballina Airport - December 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) |
| 01/12/2025 | 6.6 | 0.0 | | 26.7 | 19.4 | 85 | 44 | 4.81 | 30.49 |
| 02/12/2025 | 6.6 | 0.0 | | 24.7 | 17.2 | 89 | 30 | 5.04 | 31.00 |
| 03/12/2025 | 5.6 | 0.0 | | 25.6 | 14.2 | 90 | 49 | 3.67 | 29.12 |
| 04/12/2025 | 5.8 | 0.0 | | 26.8 | 15.4 | 96 | 51 | 3.64 | 30.63 |
| 05/12/2025 | 6.0 | 0.0 | | 27.8 | 15.6 | 94 | 58 | 5.16 | 31.18 |
| 06/12/2025 | 7.3 | 0.0 | | 29.6 | 20.1 | 85 | 48 | 6.27 | 31.21 |
| 07/12/2025 | 5.6 | 0.0 | | 30.2 | 19.9 | 96 | 50 | 5.49 | 20.59 |
| 08/12/2025 | 5.2 | 15.4 | | 27.3 | 17.2 | 97 | 64 | 3.22 | 27.61 |
| 09/12/2025 | 5.6 | 0.2 | | 28.2 | 16.8 | 98 | 65 | 3.28 | 30.54 |
| 10/12/2025 | 6.3 | 0.0 | | 28.9 | 19.7 | 96 | 55 | 4.12 | 31.02 |
| 11/12/2025 | 4.6 | 0.0 | | 27.1 | 17.6 | 97 | 62 | 2.17 | 23.75 |
| 12/12/2025 | 4.2 | 1.4 | | 26.9 | 18.8 | 96 | 64 | 2.84 | 19.92 |
| 13/12/2025 | 5.5 | 17.6 | | 27.3 | 17.9 | 98 | 67 | 3.55 | 30.50 |
| 14/12/2025 | 5.6 | 0.0 | | 31.2 | 21.5 | 87 | 54 | 3.72 | 22.29 |
| 15/12/2025 | 5.8 | 0.8 | | 30.4 | 19.2 | 97 | 63 | 4.78 | 27.78 |
| 16/12/2025 | 3.9 | 0.2 | | 26.1 | 20.7 | 92 | 60 | 5.34 | 13.71 |
| 17/12/2025 | 4.2 | 0.0 | | 26.1 | 20.9 | 90 | 55 | 3.87 | 16.36 |
| 18/12/2025 | 5.5 | 0.6 | | 27.0 | 15.3 | 98 | 53 | 2.48 | 29.35 |
| Totals: | 99.9 | 36.2 | | | | | | | |
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