Evapotranspiration Calculations
Colac (Mount Gellibrand) - 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 | 2.9 | 5.4 | | 14.9 | 6.3 | 99 | 67 | 9.41 | 22.33 |
| 02/12/2025 | 2.9 | 3.2 | | 17.0 | 6.1 | 100 | 66 | 4.61 | 18.42 |
| 03/12/2025 | 7.3 | 0.2 | | 28.0 | 7.8 | 99 | 32 | 6.33 | 31.55 |
| 04/12/2025 | 11.1 | 0.0 | | 33.5 | 13.9 | 98 | 18 | 11.78 | 27.03 |
| 05/12/2025 | 5.1 | 0.0 | | 25.9 | 9.0 | 100 | 35 | 1.35 | 29.02 |
| 06/12/2025 | 2.7 | 0.0 | | 16.6 | 9.8 | 98 | 64 | 7.99 | 13.60 |
| 07/12/2025 | 4.7 | 1.0 | | 18.5 | 4.8 | 98 | 40 | 4.85 | 29.65 |
| 08/12/2025 | 5.8 | 0.0 | | 23.8 | 8.5 | 90 | 37 | 8.27 | 21.90 |
| 09/12/2025 | 5.1 | 0.0 | | 20.7 | 10.2 | 93 | 46 | 5.20 | 29.65 |
| 10/12/2025 | 4.3 | 0.0 | | 20.8 | 8.7 | 94 | 45 | 4.86 | 21.17 |
| 11/12/2025 | 5.0 | 0.0 | | 19.8 | 8.0 | 95 | 49 | 6.76 | 31.48 |
| 12/12/2025 | 8.3 | 0.0 | | 32.3 | 10.1 | 100 | 23 | 5.48 | 29.26 |
| 13/12/2025 | 5.9 | 0.0 | | 28.1 | 14.8 | 96 | 46 | 4.73 | 26.60 |
| 14/12/2025 | 4.3 | 0.0 | | 17.5 | 9.6 | 98 | 42 | 11.59 | 19.50 |
| 15/12/2025 | 4.2 | 0.0 | | 17.6 | 7.4 | 82 | 48 | 6.53 | 21.15 |
| 16/12/2025 | 4.9 | 0.0 | | 21.8 | 8.5 | 98 | 47 | 4.53 | 28.32 |
| 17/12/2025 | 7.9 | 0.0 | | 31.8 | 8.8 | 100 | 23 | 4.51 | 30.83 |
| 18/12/2025 | 10.7 | 0.0 | | 34.9 | 13.1 | 63 | 14 | 6.49 | 30.29 |
| Totals: | 103.1 | 9.8 | | | | | | | |
Monthly Archive