Evapotranspiration Calculations
Kunanyi (Mount Wellington Pinnacle) - 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 | 2.3 | 3.6 | | 11.0 | 6.2 | 100 | 56 | 10.68 | 13.78 |
| 02/10/2026 | 1.9 | 0.0 | | 6.9 | -0.1 | 100 | 51 | 4.01 | 16.28 |
| 03/10/2026 | 1.1 | 2.2 | | 4.8 | 1.5 | 100 | 89 | 4.46 | 13.59 |
| 04/10/2026 | 0.7 | 1.0 | | 4.0 | 1.2 | 100 | 100 | 5.80 | 9.59 |
| 05/10/2026 | 1.9 | 1.2 | | 9.8 | -0.4 | 100 | 67 | 6.30 | 17.49 |
| 06/10/2026 | 0.9 | 1.4 | | 2.4 | -0.6 | 100 | 83 | 16.04 | 16.52 |
| 07/10/2026 | 1.7 | 0.6 | | 8.3 | -3.6 | 98 | 77 | 4.41 | 18.62 |
| 08/10/2026 | 3.9 | 0.8 | | 13.0 | -2.3 | 82 | 13 | 5.38 | 21.45 |
| 09/10/2026 | 5.8 | 0.0 | | 14.9 | 6.2 | 71 | 8 | 12.02 | 20.76 |
| 10/10/2026 | 2.7 | 0.0 | | 10.8 | 6.0 | 98 | 55 | 16.45 | 19.56 |
| 11/10/2026 | 2.2 | 0.0 | | 9.8 | 1.7 | 100 | 58 | 12.43 | 16.49 |
| 12/10/2026 | 1.8 | 7.6 | | 7.4 | 2.4 | 100 | 65 | 12.31 | 17.11 |
| 13/10/2026 | 1.4 | 0.2 | | -0.7 | -4.2 | 99 | 78 | 2.29 | 17.79 |
| 14/10/2026 | | 0.0 | | | -4.1 | 100 | 91 | 2.83 | 15.97 |
| 15/10/2026 | | | | 8.0 | | 100 | 75 | 2.74 | 19.65 |
| 16/10/2026 | 3.4 | 0.4 | | 12.7 | 1.1 | 98 | 34 | 5.48 | 23.15 |
| 17/10/2026 | 4.5 | 0.0 | | 15.5 | 5.8 | 88 | 11 | 4.59 | 23.36 |
| 18/10/2026 | 3.7 | 0.0 | | 16.3 | 5.9 | 89 | 43 | 3.31 | 23.58 |
| 19/10/2026 | 5.2 | 0.0 | | 19.0 | 7.6 | 80 | 31 | 7.95 | 22.67 |
| 20/10/2026 | 3.6 | 0.0 | | 18.2 | 9.2 | 99 | 51 | 12.60 | 14.86 |
| 21/10/2026 | 4.5 | 3.0 | | 17.4 | 9.5 | 100 | 33 | 7.70 | 22.99 |
| 22/10/2026 | 5.1 | 0.0 | | 21.1 | 9.3 | 90 | 46 | 12.43 | 22.12 |
| 23/10/2026 | 5.1 | 0.0 | | 20.5 | 10.5 | 98 | 41 | 14.08 | 21.20 |
| 24/10/2026 | 2.6 | 1.4 | | 12.3 | 3.8 | 100 | 55 | 4.16 | 17.33 |
| 25/10/2026 | 0.5 | 11.4 | | 4.0 | 2.3 | 100 | 99 | 7.07 | 5.52 |
| 26/10/2026 | 1.3 | 6.0 | | 3.6 | -2.0 | 99 | 80 | 11.89 | 20.02 |
| Totals: | 67.8 | 40.8 | | | | | | | |
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