Evapotranspiration Calculations
Byron Bay (Cape Byron) - October 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) |
| 01/10/2026 | 4.4 | 0.0 | | 22.5 | 14.0 | 89 | 54 | 4.95 | 24.09 |
| 02/10/2026 | 4.4 | 0.0 | | 22.0 | 15.1 | 87 | 59 | 5.65 | 24.43 |
| 03/10/2026 | 4.4 | 0.0 | | 22.0 | 17.5 | 82 | 59 | 6.09 | 21.73 |
| 04/10/2026 | 4.2 | 0.0 | | 22.2 | 18.2 | 89 | 68 | 7.47 | 23.79 |
| 05/10/2026 | 2.8 | 0.0 | | 22.7 | 19.2 | 93 | 78 | 7.32 | 13.36 |
| 06/10/2026 | 3.2 | 3.6 | | 23.1 | 18.7 | 96 | 77 | 6.28 | 18.40 |
| 07/10/2026 | 3.4 | 0.2 | | 21.5 | 18.4 | 96 | 68 | 9.13 | 17.33 |
| 08/10/2026 | 2.6 | 6.0 | | 19.9 | 13.6 | 98 | 71 | 5.37 | 13.99 |
| 09/10/2026 | 4.0 | 0.2 | | 22.6 | 14.5 | 91 | 69 | 6.79 | 23.49 |
| 10/10/2026 | 3.1 | 0.0 | | 22.9 | 18.9 | 96 | 73 | 7.25 | 14.93 |
| 11/10/2026 | 4.2 | 0.4 | | 24.9 | 18.5 | 98 | 76 | 6.01 | 25.77 |
| 12/10/2026 | 3.8 | 0.2 | | 23.7 | 20.2 | 98 | 81 | 8.63 | 25.08 |
| 13/10/2026 | 2.1 | 0.2 | | 23.8 | 20.1 | 98 | 82 | 6.28 | 8.45 |
| 14/10/2026 | 2.9 | 2.0 | | 20.3 | 17.4 | 96 | 74 | 9.21 | 16.17 |
| 15/10/2026 | 3.6 | 3.6 | | 20.0 | 15.4 | 92 | 55 | 7.84 | 13.29 |
| 16/10/2026 | 3.0 | 2.4 | | 20.6 | 14.0 | 95 | 69 | 5.76 | 15.55 |
| 17/10/2026 | 4.9 | 1.8 | | 23.4 | 15.3 | 80 | 53 | 6.76 | 20.63 |
| 18/10/2026 | 4.6 | 0.2 | | 23.6 | 16.8 | 81 | 57 | 6.07 | 19.21 |
| 19/10/2026 | 2.1 | 3.8 | | 18.8 | 16.2 | 97 | 71 | 4.27 | 8.99 |
| 20/10/2026 | 2.6 | 39.4 | | 22.8 | 15.9 | 97 | 81 | 3.61 | 14.61 |
| 21/10/2026 | 3.7 | 3.8 | | 25.1 | 16.5 | 98 | 76 | 5.95 | 20.91 |
| 22/10/2026 | 1.7 | 70.4 | | 20.8 | 18.3 | 96 | 89 | 10.45 | 8.87 |
| 23/10/2026 | 2.2 | 26.0 | | 22.2 | 17.6 | 97 | 88 | 7.82 | 13.70 |
| 24/10/2026 | 2.0 | 18.4 | | 21.6 | 17.9 | 98 | 88 | 7.60 | 11.40 |
| 25/10/2026 | 2.0 | 18.6 | | 21.7 | 18.7 | 98 | 91 | 8.25 | 13.32 |
| 26/10/2026 | 4.7 | 3.0 | | 26.4 | 19.3 | 98 | 74 | 6.27 | 27.24 |
| Totals: | 86.6 | 204.2 | | | | | | | |
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