Evapotranspiration Calculations
Wynyard Airport - 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 | 1.2 | 0.0 | 14.6 | 3.4 | 97 | 79 | 4.95 | 7.93 | |
| 02/09/2026 | 1.6 | 6.8 | 14.4 | 4.4 | 98 | 68 | 5.43 | 8.88 | |
| 03/09/2026 | 2.7 | 10.0 | 14.9 | 10.4 | 94 | 51 | 8.84 | 13.12 | |
| 04/09/2026 | 2.3 | 2.2 | 15.7 | 4.8 | 96 | 47 | 4.01 | 11.49 | |
| 05/09/2026 | 1.7 | 18.8 | 16.2 | 10.2 | 98 | 68 | 4.90 | 8.72 | |
| 06/09/2026 | 2.5 | 3.6 | 19.2 | 6.5 | 98 | 56 | 4.10 | 15.40 | |
| 07/09/2026 | 2.9 | 0.0 | 15.5 | 8.3 | 93 | 42 | 5.71 | 15.68 | |
| 08/09/2026 | 2.7 | 0.0 | 16.3 | 1.7 | 97 | 48 | 5.80 | 14.66 | |
| 09/09/2026 | 2.7 | 0.2 | 14.3 | 4.8 | 82 | 50 | 6.75 | 12.23 | |
| 10/09/2026 | 3.0 | 0.0 | 18.1 | 3.9 | 96 | 40 | 4.54 | 14.94 | |
| 11/09/2026 | 0.0 | 0.0 | 95 | 19 | 4.30 | 16.51 | |||
| 12/09/2026 | 2.0 | 0.0 | 14.8 | 0.5 | 97 | 60 | 2.99 | 15.95 | |
| 13/09/2026 | 1.3 | 0.0 | 16.4 | 4.1 | 97 | 77 | 3.09 | 7.34 | |
| 14/09/2026 | 2.5 | 0.0 | 18.5 | 9.9 | 97 | 59 | 5.75 | 10.63 | |
| 15/09/2026 | 2.6 | 1.0 | 12.9 | 4.2 | 94 | 46 | 7.15 | 13.48 | |
| Totals: | 31.7 | 42.6 |
