Evapotranspiration Calculations
Grampians (Mount William) - December 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) |
| 01/12/2025 | 1.4 | 18.8 | | 5.4 | 1.2 | 100 | 90 | 8.99 | 21.03 |
| 02/12/2025 | 2.0 | 4.6 | | 10.9 | 1.7 | 100 | 81 | 4.96 | 17.50 |
| 03/12/2025 | 6.5 | 0.0 | | 21.8 | 3.2 | 89 | 29 | 8.81 | 31.25 |
| 04/12/2025 | 7.9 | 0.0 | | 24.9 | 10.2 | 81 | 20 | 9.72 | 26.72 |
| 05/12/2025 | 7.0 | 0.0 | | 22.5 | 13.5 | 91 | 6 | 5.43 | 30.78 |
| 06/12/2025 | 2.9 | 1.6 | | 9.2 | 6.5 | 99 | 23 | 7.22 | 10.69 |
| 07/12/2025 | 3.6 | 4.2 | | 12.2 | 0.7 | 99 | 52 | 5.96 | 30.97 |
| 08/12/2025 | 6.3 | 0.2 | | 18.7 | 2.9 | 68 | 24 | 8.36 | 30.83 |
| 09/12/2025 | 4.6 | 0.0 | | 16.1 | 6.1 | 99 | 42 | 4.40 | 31.79 |
| 10/12/2025 | 3.8 | 0.0 | | 15.1 | 6.7 | 99 | 27 | 6.33 | 15.79 |
| 11/12/2025 | 6.2 | 0.0 | | 18.5 | 4.7 | 99 | 7 | 6.64 | 30.16 |
| 12/12/2025 | 6.9 | 0.0 | | 23.5 | 11.5 | 82 | 13 | 4.71 | 30.55 |
| 13/12/2025 | 6.7 | 0.4 | | 22.5 | 14.1 | 89 | 20 | 6.33 | 28.88 |
| 14/12/2025 | 3.7 | 0.8 | | 11.3 | 4.7 | 99 | 37 | 7.94 | 24.71 |
| 15/12/2025 | 3.0 | 0.0 | | 10.1 | 1.5 | 99 | 60 | 8.39 | 29.19 |
| 16/12/2025 | 5.9 | 0.2 | | 17.6 | 2.4 | 99 | 16 | 7.51 | 31.69 |
| 17/12/2025 | 7.3 | 0.0 | | 26.5 | 7.2 | 45 | 14 | 3.62 | 32.02 |
| 18/12/2025 | 10.1 | | | 30.8 | 17.4 | 29 | 14 | 5.97 | 32.21 |
| Totals: | 95.8 | 30.8 | | | | | | | |
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