Evapotranspiration Calculations
Kunanyi (Mount Wellington Pinnacle) - September 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) |
| 01/09/2026 | 2.1 | 0.0 | | 8.3 | 3.1 | 100 | 50 | 17.27 | 10.30 |
| 02/09/2026 | 1.0 | 0.6 | | 5.6 | -0.9 | 100 | 78 | 15.06 | 12.45 |
| 03/09/2026 | 0.7 | 6.4 | | 1.5 | -0.3 | 100 | 82 | 18.20 | 9.07 |
| 04/09/2026 | 1.1 | 0.0 | | 5.0 | -2.7 | 100 | 73 | 12.88 | 11.23 |
| 05/09/2026 | 0.3 | 1.2 | | 5.3 | 0.1 | 100 | 100 | 10.60 | 4.12 |
| 06/09/2026 | 1.4 | 20.2 | | 9.4 | 1.7 | 100 | 73 | 7.91 | 12.90 |
| 07/09/2026 | 1.3 | 1.0 | | 7.9 | -1.8 | 100 | 73 | 12.73 | 13.68 |
| 08/09/2026 | 2.1 | 1.0 | | 7.8 | -1.4 | 99 | 49 | 13.25 | 13.97 |
| 09/09/2026 | 0.5 | 0.0 | | 5.6 | -3.9 | 100 | 97 | 14.48 | 13.43 |
| 10/09/2026 | 3.3 | 2.2 | | 9.1 | -2.6 | 100 | 23 | 17.09 | 15.45 |
| 11/09/2026 | 3.8 | 0.0 | | 10.6 | 2.8 | 75 | 23 | 11.97 | 15.72 |
| 12/09/2026 | 3.9 | 0.0 | | 12.9 | 2.0 | 64 | 20 | 7.37 | 15.92 |
| 13/09/2026 | 2.8 | 0.0 | | 10.9 | 5.7 | 89 | 46 | 13.85 | 9.36 |
| 14/09/2026 | 2.1 | 0.2 | | 11.2 | 5.9 | 99 | 63 | 13.61 | 15.42 |
| 15/09/2026 | 0.7 | 0.8 | | -0.6 | -2.5 | 99 | 83 | 13.38 | 13.05 |
| Totals: | 27.1 | 33.6 | | | | | | | |
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