Evapotranspiration Calculations
Richmond RAAF - 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 | 2.4 | 0.0 | 20.4 | 3.0 | 98 | 30 | 1.06 | 17.73 | |
| 02/09/2025 | 2.6 | 0.0 | 21.6 | 6.5 | 97 | 41 | 1.60 | 16.31 | |
| 03/09/2025 | 3.2 | 0.0 | 23.1 | 3.6 | 98 | 27 | 2.09 | 18.08 | |
| 04/09/2025 | 4.0 | 0.0 | 24.6 | 8.3 | 85 | 22 | 3.17 | 14.04 | |
| 05/09/2025 | 3.0 | 0.0 | 20.5 | 5.2 | 97 | 35 | 2.65 | 16.60 | |
| 06/09/2025 | 2.8 | 0.0 | 21.9 | 9.7 | 94 | 41 | 1.68 | 16.92 | |
| 07/09/2025 | 3.5 | 0.0 | 26.6 | 6.0 | 98 | 34 | 1.88 | 18.64 | |
| 08/09/2025 | 5.4 | 0.0 | 29.5 | 13.9 | 75 | 32 | 4.47 | 16.96 | |
| 09/09/2025 | 3.7 | 1.2 | 26.0 | 14.9 | 88 | 46 | 3.74 | 13.68 | |
| 10/09/2025 | 1.6 | 10.6 | 17.7 | 14.1 | 97 | 71 | 2.77 | 6.53 | |
| 11/09/2025 | 2.8 | 34.8 | 18.6 | 10.4 | 97 | 45 | 4.04 | 12.43 | |
| 12/09/2025 | 2.8 | 0.0 | 20.8 | 6.3 | 98 | 40 | 1.35 | 19.62 | |
| 13/09/2025 | 3.1 | 0.0 | 22.3 | 8.2 | 95 | 39 | 1.62 | 19.71 | |
| 14/09/2025 | 3.6 | 0.0 | 24.6 | 6.7 | 98 | 33 | 2.06 | 19.96 | |
| 15/09/2025 | 4.4 | 0.0 | 28.1 | 5.5 | 94 | 23 | 2.40 | 20.14 | |
| 16/09/2025 | 5.3 | 0.0 | 29.0 | 12.3 | 78 | 31 | 4.66 | 14.47 | |
| 17/09/2025 | 5.1 | 0.0 | 26.2 | 14.6 | 85 | 19 | 3.72 | 19.29 | |
| 18/09/2025 | 3.4 | 0.0 | 22.4 | 5.9 | 93 | 35 | 1.76 | 20.69 | |
| 19/09/2025 | 3.9 | 0.0 | 26.1 | 5.0 | 98 | 28 | 2.30 | 18.45 | |
| 20/09/2025 | 5.2 | 0.4 | 23.0 | 15.1 | 87 | 28 | 5.85 | 21.01 | |
| Totals: | 71.8 | 47.0 |
