Evapotranspiration Calculations
Williamson - 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 | 3.6 | 0.0 | 25.0 | 14.2 | 93 | 45 | 2.92 | 16.55 | |
| 02/09/2026 | 3.8 | 0.0 | 28.0 | 9.0 | 98 | 31 | 1.51 | 20.00 | |
| 03/09/2026 | 3.8 | 0.0 | 28.2 | 8.6 | 98 | 33 | 1.33 | 21.99 | |
| 04/09/2026 | 4.0 | 0.0 | 29.3 | 10.3 | 98 | 40 | 1.41 | 22.01 | |
| 05/09/2026 | 3.8 | 0.0 | 27.1 | 11.9 | 98 | 45 | 1.38 | 22.15 | |
| 06/09/2026 | 4.1 | 0.0 | 29.4 | 11.1 | 98 | 42 | 1.55 | 22.23 | |
| 07/09/2026 | 4.6 | 0.0 | 30.4 | 12.1 | 98 | 37 | 2.20 | 22.37 | |
| 08/09/2026 | 3.8 | 0.0 | 28.6 | 14.8 | 98 | 48 | 2.19 | 18.29 | |
| 09/09/2026 | 3.7 | 0.0 | 26.8 | 15.1 | 97 | 47 | 2.27 | 17.55 | |
| 10/09/2026 | 4.0 | 0.0 | 26.8 | 10.6 | 98 | 41 | 2.85 | 18.10 | |
| 11/09/2026 | 4.9 | 0.0 | 25.4 | 18.3 | 73 | 43 | 4.44 | 18.64 | |
| 12/09/2026 | 4.1 | 0.0 | 26.0 | 13.8 | 89 | 49 | 3.09 | 19.15 | |
| 13/09/2026 | 4.3 | 0.0 | 26.9 | 11.6 | 97 | 44 | 2.80 | 21.77 | |
| 14/09/2026 | 3.9 | 0.0 | 26.7 | 11.0 | 98 | 42 | 2.81 | 16.95 | |
| 15/09/2026 | 4.7 | 0.0 | 28.5 | 11.8 | 97 | 33 | 2.25 | 23.24 | |
| Totals: | 61.1 | 0.0 |
