Evapotranspiration Calculations
Williamtown RAAF - 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 | 3.3 | 0.2 | 26.0 | 5.4 | 97 | 32 | 1.81 | 17.77 | |
| 02/09/2026 | 4.5 | 0.0 | 27.9 | 8.4 | 91 | 33 | 4.14 | 13.75 | |
| 03/09/2026 | 6.8 | 0.0 | 29.6 | 14.7 | 75 | 27 | 6.91 | 18.20 | |
| 04/09/2026 | 3.4 | 0.0 | 24.3 | 8.0 | 90 | 38 | 2.25 | 18.41 | |
| 05/09/2026 | 6.3 | 0.0 | 32.8 | 10.7 | 92 | 21 | 4.37 | 18.52 | |
| 06/09/2026 | 4.5 | 0.0 | 23.0 | 17.1 | 88 | 31 | 4.90 | 18.73 | |
| 07/09/2026 | 3.3 | 0.0 | 22.5 | 9.7 | 94 | 48 | 3.51 | 17.15 | |
| 08/09/2026 | 3.2 | 0.6 | 19.9 | 12.2 | 92 | 48 | 4.83 | 14.00 | |
| 09/09/2026 | 4.1 | 0.2 | 22.4 | 4.4 | 96 | 43 | 6.40 | 16.67 | |
| 10/09/2026 | 3.5 | 0.0 | 18.8 | 11.1 | 86 | 48 | 5.19 | 18.20 | |
| 11/09/2026 | 2.8 | 0.0 | 21.0 | 7.8 | 95 | 53 | 2.37 | 16.86 | |
| 12/09/2026 | 2.7 | 0.0 | 21.3 | 7.6 | 96 | 60 | 2.16 | 17.64 | |
| 13/09/2026 | 3.5 | 0.0 | 25.7 | 7.0 | 97 | 40 | 1.91 | 19.78 | |
| 14/09/2026 | 4.3 | 0.2 | 28.4 | 11.6 | 83 | 28 | 2.26 | 19.83 | |
| 15/09/2026 | 0.0 | 10.6 | 91 | 28 | 4.56 | 20.04 | |||
| Totals: | 56.2 | 1.2 |
