Evapotranspiration Calculations
Kunanyi (Mount Wellington Pinnacle) - 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 | 0.8 | 0.8 | | 5.3 | -0.6 | 99 | 74 | 8.52 | 8.71 |
| 02/08/2026 | 0.9 | 0.0 | | 5.0 | -0.6 | 98 | 73 | 12.28 | 9.33 |
| 03/08/2026 | 0.7 | 0.0 | | 4.3 | 0.4 | 100 | 79 | 7.73 | 7.30 |
| 04/08/2026 | 0.3 | 3.0 | | 1.7 | -0.6 | 100 | 100 | 4.60 | 3.74 |
| 05/08/2026 | 0.5 | 5.2 | | 3.5 | -0.5 | 100 | 89 | 4.91 | 8.34 |
| 06/08/2026 | 0.6 | 0.8 | | 3.6 | -0.3 | 100 | 83 | 6.60 | 7.43 |
| 07/08/2026 | 0.6 | 0.8 | | 3.6 | -1.4 | 99 | 81 | 3.39 | 8.23 |
| 08/08/2026 | 0.6 | 0.0 | | 3.9 | -0.2 | 100 | 82 | 5.91 | 8.45 |
| 09/08/2026 | 0.8 | 0.0 | | 5.6 | -0.2 | 100 | 77 | 10.42 | 8.12 |
| 10/08/2026 | 0.3 | 2.8 | | 3.7 | 1.8 | 100 | 96 | 9.14 | 5.66 |
| 11/08/2026 | 0.5 | 2.4 | | 3.9 | 0.0 | 100 | 87 | 9.10 | 9.46 |
| 12/08/2026 | 0.5 | 1.8 | | 2.9 | 0.6 | 100 | 88 | 15.28 | 9.28 |
| 13/08/2026 | 0.7 | 0.6 | | 5.5 | -1.5 | 100 | 82 | 15.50 | 9.01 |
| 14/08/2026 | 0.6 | 0.8 | | 3.4 | 0.7 | 100 | 83 | 11.92 | 6.80 |
| 15/08/2026 | 0.8 | 6.6 | | 5.2 | -2.8 | 100 | 75 | 3.68 | 10.69 |
| 16/08/2026 | 0.6 | 1.0 | | 3.9 | -1.8 | 100 | 85 | 2.06 | 8.88 |
| 17/08/2026 | 1.0 | 0.2 | | 7.3 | 0.3 | 100 | 68 | 3.58 | 11.00 |
| 18/08/2026 | 0.5 | 0.2 | | 5.6 | 1.0 | 100 | 91 | 10.63 | 9.44 |
| 19/08/2026 | 0.7 | 0.4 | | 6.4 | 2.3 | 100 | 86 | 13.17 | 7.83 |
| 20/08/2026 | 0.9 | 0.4 | | 7.6 | 3.9 | 100 | 80 | 11.55 | 10.23 |
| 21/08/2026 | 1.0 | 0.2 | | 4.7 | 0.4 | 100 | 73 | 13.22 | 7.83 |
| 22/08/2026 | 0.4 | 1.4 | | 0.1 | -1.1 | 100 | 92 | 16.85 | 10.89 |
| 23/08/2026 | 1.3 | 0.4 | | 5.4 | -1.9 | 100 | 61 | 12.97 | 9.50 |
| 24/08/2026 | 0.9 | 0.4 | | 6.5 | 0.0 | 100 | 79 | 12.21 | 9.82 |
| 25/08/2026 | 0.7 | 1.4 | | 6.7 | 2.5 | 100 | 87 | 9.15 | 5.94 |
| 26/08/2026 | 0.3 | 3.0 | | 3.3 | -0.6 | 100 | 97 | 16.54 | 10.24 |
| Totals: | 17.5 | 34.6 | | | | | | | |
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