Evapotranspiration Calculations
Ballina Airport - August 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) |
| 01/08/2026 | 1.4 | 4.6 | | 16.7 | 10.5 | 97 | 82 | 3.47 | 9.47 |
| 02/08/2026 | 2.0 | 56.0 | | 19.2 | 12.7 | 98 | 61 | 2.80 | 12.23 |
| 03/08/2026 | 2.0 | 0.2 | | 20.6 | 8.1 | 99 | 60 | 1.44 | 15.12 |
| 04/08/2026 | 2.2 | 0.0 | | 21.8 | 6.8 | 99 | 51 | 1.58 | 15.82 |
| 05/08/2026 | 2.5 | 0.0 | | 23.4 | 6.9 | 99 | 40 | 1.69 | 15.46 |
| 06/08/2026 | 1.9 | 0.0 | | 20.3 | 6.6 | 98 | 58 | 1.42 | 13.91 |
| 07/08/2026 | 2.0 | 0.0 | | 21.3 | 9.0 | 99 | 65 | 1.16 | 15.80 |
| 08/08/2026 | 2.2 | 0.0 | | 20.1 | 10.1 | 99 | 63 | 2.17 | 15.46 |
| 09/08/2026 | 2.3 | 0.0 | | 23.1 | 8.2 | 99 | 53 | 2.13 | 13.08 |
| 10/08/2026 | 3.8 | 0.0 | | 21.7 | 16.6 | 90 | 40 | 7.00 | 10.72 |
| 11/08/2026 | 3.8 | 2.4 | | 23.6 | 7.6 | 91 | 34 | 3.93 | 16.60 |
| 12/08/2026 | 3.2 | 0.0 | | 23.0 | 7.9 | 87 | 36 | 3.57 | 10.86 |
| 13/08/2026 | 3.1 | 0.0 | | 20.4 | 10.5 | 95 | 43 | 3.91 | 16.85 |
| 14/08/2026 | 2.8 | 0.0 | | 20.5 | 8.7 | 97 | 56 | 3.84 | 16.90 |
| 15/08/2026 | 1.8 | 5.2 | | 18.6 | 11.6 | 96 | 71 | 4.63 | 7.76 |
| 16/08/2026 | 2.4 | 33.2 | | 19.3 | 10.9 | 95 | 68 | 4.56 | 15.70 |
| 17/08/2026 | 3.0 | 3.0 | | 20.4 | 14.1 | 94 | 54 | 4.67 | 14.85 |
| 18/08/2026 | 3.1 | 1.2 | | 20.9 | 11.5 | 94 | 46 | 3.92 | 15.91 |
| 19/08/2026 | 2.7 | 0.2 | | 20.9 | 8.5 | 98 | 49 | 2.51 | 16.41 |
| 20/08/2026 | 2.4 | 7.2 | | 20.9 | 12.5 | 98 | 67 | 2.24 | 16.53 |
| 21/08/2026 | 2.8 | 0.2 | | 22.1 | 7.8 | 99 | 51 | 2.53 | 17.76 |
| 22/08/2026 | 1.9 | 0.0 | | 20.4 | 11.4 | 96 | 60 | 1.81 | 9.96 |
| 23/08/2026 | 1.9 | 0.0 | | 21.3 | 8.7 | 99 | 70 | 1.08 | 13.22 |
| 24/08/2026 | 2.4 | 0.0 | | 22.7 | 9.3 | 99 | 63 | 1.18 | 16.96 |
| 25/08/2026 | 3.1 | 0.0 | | 25.5 | 11.5 | 99 | 56 | 3.17 | 15.96 |
| 26/08/2026 | 2.6 | 4.8 | | 24.8 | 16.6 | 97 | 56 | 2.76 | 10.85 |
| Totals: | 65.3 | 118.2 | | | | | | | |
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