Evapotranspiration Calculations
Ballina Airport - April 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) |
| 01/04/2026 | 3.7 | 5.4 | | 26.2 | 17.6 | 96 | 62 | 3.29 | 19.74 |
| 02/04/2026 | 3.4 | 6.4 | | 26.8 | 15.8 | 97 | 63 | 2.51 | 18.30 |
| 03/04/2026 | 3.0 | 0.4 | | 26.1 | 17.0 | 97 | 67 | 2.52 | 15.76 |
| 04/04/2026 | 3.8 | 7.8 | | 26.7 | 18.8 | 97 | 63 | 5.04 | 18.14 |
| 05/04/2026 | | 7.4 | | | 18.9 | 96 | 56 | 6.71 | 15.12 |
| 06/04/2026 | | | | 25.1 | | 95 | 56 | 3.46 | 18.68 |
| 07/04/2026 | 4.0 | 0.0 | | 30.0 | 13.8 | 98 | 47 | 2.12 | 19.93 |
| 08/04/2026 | 3.8 | 0.0 | | 29.5 | 15.6 | 98 | 57 | 2.05 | 19.77 |
| 09/04/2026 | 3.8 | 0.0 | | 28.0 | 18.8 | 96 | 65 | 3.68 | 19.33 |
| 10/04/2026 | 3.8 | 0.0 | | 28.3 | 17.1 | 97 | 58 | 2.90 | 19.45 |
| 11/04/2026 | 4.6 | 0.0 | | 30.5 | 21.1 | 91 | 57 | 4.57 | 19.28 |
| 12/04/2026 | 3.6 | 0.0 | | 26.4 | 19.1 | 94 | 59 | 3.27 | 17.42 |
| 13/04/2026 | 3.8 | 0.0 | | 23.9 | 13.2 | 91 | 43 | 3.57 | 18.43 |
| 14/04/2026 | 3.5 | 0.0 | | 25.1 | 12.8 | 95 | 39 | 2.36 | 18.72 |
| 15/04/2026 | 3.4 | 0.0 | | 26.9 | 12.3 | 98 | 56 | 2.68 | 18.60 |
| 16/04/2026 | 3.5 | 0.0 | | 27.5 | 14.2 | 98 | 58 | 3.06 | 18.53 |
| 17/04/2026 | 4.3 | 0.0 | | 31.0 | 13.6 | 97 | 33 | 2.49 | 18.40 |
| 18/04/2026 | 3.9 | 0.0 | | 25.1 | 15.5 | 92 | 52 | 4.86 | 17.97 |
| 19/04/2026 | 3.7 | 0.0 | | 23.6 | 14.3 | 87 | 50 | 4.28 | 18.08 |
| 20/04/2026 | 3.8 | 0.0 | | 23.8 | 11.9 | 85 | 57 | 6.17 | 17.72 |
| 21/04/2026 | 3.6 | 0.2 | | 23.6 | 15.2 | 88 | 59 | 6.64 | 14.58 |
| 22/04/2026 | 3.2 | 19.2 | | 23.1 | 14.8 | 96 | 55 | 4.80 | 15.09 |
| 23/04/2026 | 2.2 | 8.0 | | 22.6 | 15.2 | 95 | 75 | 4.96 | 10.47 |
| 24/04/2026 | 2.5 | 43.6 | | 22.7 | 15.8 | 94 | 66 | 5.48 | 8.64 |
| 25/04/2026 | 2.9 | 12.4 | | 22.7 | 17.5 | 91 | 61 | 5.84 | 10.34 |
| 26/04/2026 | 2.5 | 5.2 | | 23.2 | 16.5 | 94 | 64 | 3.95 | 10.78 |
| Totals: | 84.3 | 116.0 | | | | | | | |
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