Evapotranspiration Calculations
Colac (Mount Gellibrand) - October 2026 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) |
|---|---|---|---|---|---|---|---|---|---|
| 30/09/2026 | 4.0 | 0.0 | 21.0 | 14.2 | 75 | 39 | 5.69 | 9.42 | |
| 01/10/2026 | 1.3 | 2.4 | 14.8 | 13.3 | 100 | 77 | 3.95 | 5.47 | |
| 02/10/2026 | 1.1 | 21.8 | 12.9 | 10.1 | 100 | 88 | 7.53 | 8.27 | |
| 03/10/2026 | 0.9 | 16.0 | 12.6 | 10.8 | 100 | 89 | 11.85 | 6.75 | |
| 04/10/2026 | 2.5 | 11.2 | 16.2 | 6.0 | 99 | 69 | 3.78 | 19.20 | |
| 05/10/2026 | 2.2 | 0.2 | 15.2 | 6.3 | 95 | 73 | 2.53 | 15.71 | |
| 06/10/2026 | 2.8 | 0.0 | 15.1 | 7.5 | 97 | 59 | 9.47 | 16.92 | |
| Totals: | 14.8 | 51.6 |
