Evapotranspiration Calculations
Colac (Mount Gellibrand) - May 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) |
| 01/05/2026 | 6.5 | 0.0 | | 27.6 | 14.7 | 61 | 30 | 9.02 | 11.86 |
| 02/05/2026 | 6.3 | 0.0 | | 26.3 | 15.0 | 69 | 35 | 11.21 | 6.22 |
| 03/05/2026 | 2.3 | 0.0 | | 18.5 | 15.6 | 100 | 58 | 8.78 | 6.62 |
| 04/05/2026 | 2.2 | 7.8 | | 17.1 | 8.6 | 99 | 65 | 11.72 | 7.82 |
| 05/05/2026 | 1.5 | 2.4 | | 15.0 | 8.5 | 100 | 69 | 6.58 | 7.29 |
| 06/05/2026 | 1.8 | 0.0 | | 16.9 | 10.3 | 99 | 69 | 9.88 | 7.24 |
| 07/05/2026 | 1.6 | 4.0 | | 12.6 | 3.6 | 100 | 64 | 9.10 | 9.10 |
| 08/05/2026 | 1.3 | 4.8 | | 15.0 | 5.6 | 100 | 77 | 8.24 | 10.01 |
| 09/05/2026 | 1.4 | 0.4 | | 17.3 | 9.0 | 100 | 74 | 4.30 | 10.84 |
| 10/05/2026 | 1.0 | 0.2 | | 15.1 | 9.3 | 100 | 76 | 2.19 | 6.59 |
| 11/05/2026 | 1.5 | 0.0 | | 17.9 | 8.7 | 100 | 60 | 2.48 | 11.07 |
| 12/05/2026 | 2.0 | 0.4 | | 20.8 | 9.4 | 100 | 61 | 4.67 | 10.89 |
| 13/05/2026 | 2.1 | 0.4 | | 20.6 | 10.5 | 100 | 51 | 3.93 | 10.11 |
| 14/05/2026 | 2.2 | 0.2 | | 21.5 | 9.9 | 100 | 55 | 4.89 | 10.06 |
| 15/05/2026 | 2.9 | 0.0 | | 22.0 | 10.2 | 91 | 51 | 6.18 | 10.46 |
| 16/05/2026 | 2.5 | 0.0 | | 21.4 | 11.7 | 96 | 56 | 6.71 | 8.01 |
| 17/05/2026 | 1.0 | 15.2 | | 17.2 | 12.3 | 100 | 78 | 2.12 | 7.11 |
| Totals: | 40.1 | 35.8 | | | | | | | |
Monthly Archive