Evapotranspiration Calculations
Grampians (Mount William) - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 0.9 | 9.2 | 6.4 | 1.6 | 100 | 86 | 9.63 | 9.62 | |
| 02/10/2025 | 0.9 | 13.4 | 5.3 | -0.5 | 100 | 92 | 10.51 | 14.07 | |
| 03/10/2025 | 1.2 | 4.6 | 10.2 | 0.6 | 100 | 91 | 7.88 | 14.00 | |
| 04/10/2025 | 0.4 | 5.1 | 94 | 28 | 7.42 | 22.26 | |||
| 05/10/2025 | 4.2 | 17.4 | 8.2 | 100 | 29 | 10.87 | 11.57 | ||
| 06/10/2025 | 1.5 | 13.8 | 6.7 | 1.1 | 100 | 73 | 5.45 | 14.30 | |
| 07/10/2025 | 1.2 | 0.2 | 5.6 | 0.2 | 98 | 86 | 7.92 | 16.15 | |
| 08/10/2025 | 1.4 | 0.2 | 9.4 | 1.5 | 100 | 77 | 9.50 | 12.10 | |
| 09/10/2025 | 1.8 | 0.8 | 8.4 | 2.6 | 100 | 70 | 10.93 | 16.76 | |
| 10/10/2025 | 1.3 | 1.2 | 8.2 | 3.5 | 100 | 78 | 16.07 | 11.92 | |
| 11/10/2025 | 1.9 | 9.0 | 9.2 | 3.6 | 100 | 70 | 8.46 | 16.52 | |
| 12/10/2025 | 1.1 | 9.6 | 7.1 | 3.1 | 100 | 88 | 7.73 | 12.88 | |
| 13/10/2025 | 2.2 | 11.4 | 9.1 | -0.9 | 99 | 68 | 4.61 | 22.33 | |
| 14/10/2025 | 3.3 | 0.4 | 11.2 | 1.0 | 100 | 33 | 5.87 | 22.86 | |
| Totals: | 22.9 | 74.2 |
