Evapotranspiration Calculations
Norah Head - 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 | 1.6 | 0.6 | | 15.8 | 9.8 | 91 | 64 | 2.82 | 9.54 |
| 02/08/2026 | 2.2 | 0.4 | | 20.4 | 11.2 | 84 | 62 | 3.10 | 13.10 |
| 03/08/2026 | 2.4 | 0.2 | | 22.0 | 11.4 | 90 | 49 | 3.34 | 9.70 |
| 04/08/2026 | 2.2 | 0.2 | | 18.2 | 10.5 | 83 | 39 | 2.31 | 13.87 |
| 05/08/2026 | 2.0 | 0.0 | | 17.3 | 7.2 | 73 | 43 | 1.86 | 14.01 |
| 06/08/2026 | 2.2 | 0.0 | | 18.0 | 8.2 | 78 | 47 | 2.56 | 13.72 |
| 07/08/2026 | 2.4 | 0.0 | | 17.1 | 8.2 | 78 | 45 | 3.13 | 14.19 |
| 08/08/2026 | 2.5 | 0.0 | | 19.4 | 9.5 | 83 | 55 | 3.55 | 14.08 |
| 09/08/2026 | 2.2 | 0.0 | | 18.3 | 11.1 | 91 | 58 | 4.83 | 9.43 |
| 10/08/2026 | 3.0 | 3.4 | | 17.2 | 12.8 | 82 | 48 | 5.82 | 13.46 |
| 11/08/2026 | 2.6 | 0.0 | | 20.8 | 13.2 | 70 | 37 | 2.11 | 14.66 |
| 12/08/2026 | 1.9 | 0.0 | | 18.5 | 10.8 | 80 | 49 | 1.78 | 10.83 |
| 13/08/2026 | 2.5 | 1.4 | | 18.7 | 10.0 | 79 | 47 | 2.67 | 14.96 |
| 14/08/2026 | 2.3 | 0.0 | | 19.2 | 9.0 | 78 | 55 | 2.42 | 15.06 |
| 15/08/2026 | 2.3 | 0.4 | | 17.9 | 11.3 | 87 | 62 | 4.97 | 10.56 |
| 16/08/2026 | 3.0 | 2.4 | | 20.3 | 12.3 | 92 | 53 | 5.92 | 13.14 |
| 17/08/2026 | 2.3 | 2.2 | | 20.3 | 12.2 | 95 | 62 | 3.39 | 13.91 |
| 18/08/2026 | 2.8 | 2.2 | | 19.4 | 13.2 | 85 | 57 | 4.83 | 13.41 |
| 19/08/2026 | 2.6 | 0.0 | | 21.6 | 12.9 | 92 | 67 | 4.61 | 15.28 |
| 20/08/2026 | 2.5 | 0.0 | | 21.4 | 11.1 | 93 | 66 | 4.30 | 15.08 |
| 21/08/2026 | 2.1 | 1.0 | | 21.7 | 14.7 | 90 | 63 | 2.81 | 8.58 |
| 22/08/2026 | 2.7 | 0.0 | | 21.9 | 13.7 | 84 | 46 | 1.93 | 16.17 |
| 23/08/2026 | 2.5 | 0.0 | | 20.5 | 13.1 | 81 | 63 | 3.36 | 13.06 |
| 24/08/2026 | 3.0 | 0.0 | | 22.9 | 14.2 | 90 | 68 | 5.47 | 16.44 |
| 25/08/2026 | 2.1 | 0.2 | | 21.9 | 15.2 | 96 | 69 | 5.22 | 7.81 |
| 26/08/2026 | 1.9 | 8.8 | | 18.1 | 15.4 | 96 | 72 | 5.27 | 9.38 |
| Totals: | 61.8 | 23.4 | | | | | | | |
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