Evapotranspiration Calculations
Grafton Research Stn - September 2025 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2025 | 2.1 | 0.0 | 20.2 | 9.5 | 94 | 54 | 1.40 | 12.01 | |
| 02/09/2025 | 2.8 | 0.0 | 22.0 | 10.7 | 97 | 56 | 2.26 | 17.31 | |
| 03/09/2025 | 3.3 | 0.0 | 24.6 | 9.9 | 98 | 34 | 1.77 | 19.10 | |
| 04/09/2025 | 3.5 | 0.0 | 25.9 | 9.2 | 96 | 33 | 1.71 | 19.38 | |
| 05/09/2025 | 4.2 | 0.0 | 24.1 | 12.4 | 93 | 28 | 3.41 | 19.50 | |
| 06/09/2025 | 2.8 | 0.2 | 20.0 | 13.7 | 94 | 48 | 2.74 | 14.73 | |
| 07/09/2025 | 2.9 | 0.2 | 22.0 | 9.5 | 97 | 47 | 1.82 | 17.56 | |
| 08/09/2025 | 3.4 | 0.0 | 25.7 | 8.8 | 98 | 45 | 1.62 | 20.05 | |
| 09/09/2025 | 2.2 | 0.0 | 24.2 | 12.3 | 97 | 55 | 1.43 | 9.60 | |
| 10/09/2025 | 2.1 | 0.0 | 23.9 | 15.1 | 95 | 57 | 1.61 | 8.87 | |
| 11/09/2025 | 5.0 | 1.6 | 21.3 | 14.1 | 76 | 33 | 6.35 | 19.38 | |
| 12/09/2025 | 3.5 | 0.0 | 21.9 | 8.1 | 88 | 44 | 2.68 | 19.67 | |
| 13/09/2025 | 2.9 | 0.0 | 22.6 | 11.5 | 97 | 49 | 1.38 | 17.91 | |
| 14/09/2025 | 3.4 | 0.0 | 24.7 | 10.2 | 98 | 44 | 1.70 | 19.67 | |
| 15/09/2025 | 3.7 | 0.0 | 26.6 | 10.0 | 98 | 37 | 1.60 | 20.70 | |
| 16/09/2025 | 4.0 | 0.0 | 26.8 | 10.5 | 98 | 31 | 1.83 | 21.36 | |
| 17/09/2025 | 4.1 | 0.0 | 31.8 | 12.1 | 98 | 33 | 1.48 | 20.21 | |
| 18/09/2025 | 3.9 | 0.0 | 24.8 | 15.2 | 91 | 49 | 2.61 | 20.46 | |
| 19/09/2025 | 3.9 | 0.0 | 28.6 | 14.3 | 98 | 52 | 1.66 | 20.92 | |
| 20/09/2025 | 2.6 | 19.0 | 24.0 | 17.2 | 98 | 53 | 2.55 | 9.63 | |
| Totals: | 66.3 | 21.0 |
