Evapotranspiration Calculations
Colac (Mount Gellibrand) - April 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) |
|---|---|---|---|---|---|---|---|---|---|
| 28/03/2026 | 2.8 | 0.6 | 20.7 | 9.8 | 100 | 59 | 4.65 | 14.80 | |
| 29/03/2026 | 3.4 | 0.0 | 23.2 | 10.6 | 100 | 49 | 3.66 | 17.86 | |
| 30/03/2026 | 4.4 | 0.2 | 27.0 | 11.2 | 100 | 34 | 4.22 | 16.71 | |
| 31/03/2026 | 6.1 | 0.2 | 29.3 | 13.1 | 59 | 25 | 5.01 | 17.62 | |
| 01/04/2026 | 3.7 | 0.0 | 23.5 | 16.8 | 91 | 40 | 5.92 | 7.85 | |
| 02/04/2026 | 3.5 | 0.0 | 23.2 | 12.7 | 98 | 42 | 4.25 | 15.02 | |
| 03/04/2026 | 2.8 | 0.2 | 17.4 | 10.1 | 100 | 49 | 5.85 | 13.38 | |
| Totals: | 26.7 | 1.2 |
