Evapotranspiration Calculations
Colac (Mount Gellibrand) - July 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/07/2026 | 1.2 | 9.6 | 14.9 | 9.3 | 98 | 77 | 8.50 | 8.29 | |
| 02/07/2026 | 0.9 | 2.0 | 11.9 | 8.7 | 96 | 84 | 13.92 | 6.03 | |
| 03/07/2026 | 0.7 | 6.6 | 11.5 | 5.9 | 100 | 85 | 12.35 | 7.80 | |
| 04/07/2026 | 0.9 | 1.8 | 11.6 | 6.5 | 100 | 75 | 6.11 | 8.09 | |
| 05/07/2026 | 1.0 | 0.6 | 10.9 | 4.5 | 100 | 71 | 6.23 | 7.19 | |
| 06/07/2026 | 1.0 | 0.0 | 12.4 | 4.6 | 100 | 64 | 3.65 | 9.29 | |
| 07/07/2026 | 0.7 | 0.2 | 11.8 | 6.0 | 100 | 78 | 2.74 | 8.89 | |
| 08/07/2026 | 0.6 | 0.0 | 10.1 | 4.9 | 100 | 83 | 3.75 | 7.46 | |
| 09/07/2026 | 0.8 | 0.2 | 11.9 | 3.9 | 100 | 73 | 2.49 | 9.25 | |
| 10/07/2026 | 0.7 | 0.2 | 11.8 | 5.6 | 94 | 81 | 3.05 | 8.86 | |
| 11/07/2026 | 0.9 | 0.0 | 12.3 | 6.0 | 99 | 80 | 9.12 | 7.24 | |
| 12/07/2026 | 0.8 | 14.2 | 10.9 | 5.2 | 99 | 84 | 14.21 | 6.08 | |
| 13/07/2026 | 1.1 | 1.4 | 13.3 | 7.9 | 100 | 80 | 13.72 | 6.30 | |
| 14/07/2026 | 4.8 | 8.5 | 98 | 72 | 10.96 | 9.06 | |||
| 15/07/2026 | 0.8 | 2.0 | 12.2 | 5.2 | 100 | 83 | 7.04 | 7.17 | |
| 16/07/2026 | 0.8 | 0.4 | 12.6 | 8.6 | 100 | 79 | 3.58 | 6.74 | |
| Totals: | 12.9 | 44.0 |
