Evapotranspiration Calculations
Kunanyi (Mount Wellington Pinnacle) - April 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) |
| 01/04/2026 | 2.3 | 0.0 | | 12.9 | 9.9 | 100 | 54 | 13.54 | 6.53 |
| 02/04/2026 | 1.7 | 1.0 | | 11.8 | 4.4 | 100 | 71 | 11.20 | 12.55 |
| 03/04/2026 | 1.3 | 0.4 | | 4.6 | -0.9 | 100 | 64 | 11.41 | 11.98 |
| 04/04/2026 | 0.9 | 0.2 | | 5.2 | -0.9 | 100 | 84 | 4.83 | 9.25 |
| 05/04/2026 | 0.9 | 0.8 | | 6.9 | 0.5 | 100 | 86 | 5.06 | 9.38 |
| 06/04/2026 | 1.7 | 1.0 | | 10.5 | 3.1 | 100 | 67 | 9.59 | 13.31 |
| 07/04/2026 | 0.9 | 1.2 | | 8.9 | 4.6 | 100 | 85 | 11.17 | 8.01 |
| 08/04/2026 | 1.4 | 0.8 | | 8.0 | -0.5 | 99 | 65 | 7.03 | 12.41 |
| 09/04/2026 | 1.7 | 0.2 | | 11.6 | 1.6 | 98 | 70 | 15.65 | 8.73 |
| 10/04/2026 | 0.5 | 0.8 | | 1.9 | -0.2 | 100 | 91 | 13.67 | 8.91 |
| 11/04/2026 | 0.3 | 0.4 | | -0.1 | -3.0 | 100 | 98 | 14.16 | 8.63 |
| 12/04/2026 | 0.3 | 1.0 | | 4.7 | -2.2 | 100 | 99 | 13.72 | 9.53 |
| 13/04/2026 | 0.3 | 3.8 | | 5.9 | -1.2 | 100 | 100 | 13.61 | 8.58 |
| 14/04/2026 | 0.8 | 0.8 | | 7.0 | 0.9 | 100 | 85 | 15.55 | 8.47 |
| 15/04/2026 | 1.1 | 0.6 | | 5.6 | -0.2 | 100 | 70 | 11.96 | 10.00 |
| 16/04/2026 | 0.8 | 0.6 | | 6.6 | 0.6 | 100 | 83 | 16.95 | 7.76 |
| 17/04/2026 | 0.6 | 2.4 | | 2.3 | -0.9 | 100 | 87 | 20.41 | 11.52 |
| 18/04/2026 | 0.4 | 0.2 | | 6.6 | -1.2 | 100 | 97 | 12.44 | 8.53 |
| 19/04/2026 | 2.1 | 2.0 | | 10.9 | -2.0 | 100 | 18 | 3.41 | 11.01 |
| 20/04/2026 | 1.5 | 0.0 | | 11.5 | 4.7 | 90 | 9 | 1.39 | 7.72 |
| 21/04/2026 | 1.2 | 0.2 | | 10.3 | 4.2 | 100 | 76 | 6.52 | 10.42 |
| 22/04/2026 | 1.8 | 0.2 | | 13.5 | 4.8 | 100 | 67 | 12.91 | 9.13 |
| 23/04/2026 | 1.6 | 0.8 | | 12.9 | 7.4 | 99 | 69 | 9.42 | 10.57 |
| 24/04/2026 | 4.2 | 0.0 | | 15.3 | 8.5 | 68 | 39 | 14.14 | 10.48 |
| 25/04/2026 | 3.6 | 0.0 | | 14.1 | 9.7 | 71 | 36 | 10.32 | 9.69 |
| 26/04/2026 | 2.6 | 0.0 | | 15.7 | 9.3 | 93 | 53 | 11.09 | 8.60 |
| Totals: | 36.5 | 19.4 | | | | | | | |
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