Evapotranspiration Calculations
Cape Otway Lighthouse - 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 | 3.1 | 9.4 | | 14.4 | 9.1 | 89 | 64 | 10.35 | 18.78 |
| 02/12/2025 | 3.7 | 2.4 | | 15.7 | 10.0 | 86 | 60 | 7.28 | 23.78 |
| 03/12/2025 | 7.1 | 0.0 | | 27.0 | 11.3 | 83 | 30 | 5.10 | 31.55 |
| 04/12/2025 | 8.3 | 0.0 | | 28.8 | 15.5 | 85 | 22 | 7.22 | 28.26 |
| 05/12/2025 | 4.3 | 0.0 | | 17.3 | 11.6 | 84 | 69 | 3.86 | 30.24 |
| 06/12/2025 | 3.1 | 0.0 | | 17.8 | 11.2 | 89 | 62 | 8.24 | 12.07 |
| 07/12/2025 | 4.6 | 3.2 | | 15.6 | 9.8 | 76 | 53 | 7.79 | 29.47 |
| 08/12/2025 | 4.2 | 0.0 | | 21.5 | 11.1 | 94 | 57 | 7.68 | 20.23 |
| 09/12/2025 | 4.3 | 0.8 | | 16.6 | 12.8 | 94 | 57 | 5.76 | 28.96 |
| 10/12/2025 | 3.7 | 0.0 | | 17.5 | 9.5 | 82 | 62 | 3.22 | 23.25 |
| 11/12/2025 | 4.4 | 0.0 | | 17.9 | 12.2 | 91 | 66 | 6.09 | 31.85 |
| 12/12/2025 | 6.8 | 0.0 | | 26.8 | 12.4 | 93 | 34 | 5.65 | 30.59 |
| 13/12/2025 | 5.1 | 0.0 | | 17.9 | 14.4 | 93 | 31 | 4.91 | 28.53 |
| 14/12/2025 | 3.6 | 0.0 | | 15.3 | 13.2 | 89 | 58 | 11.24 | 18.99 |
| 15/12/2025 | 4.3 | 0.0 | | 15.1 | 11.7 | 73 | 53 | 8.83 | 21.89 |
| 16/12/2025 | 4.3 | 0.0 | | 17.8 | 12.1 | 86 | 60 | 4.50 | 27.29 |
| 17/12/2025 | 6.8 | 0.0 | | 29.0 | 11.1 | 91 | 38 | 3.82 | 32.27 |
| 18/12/2025 | 7.7 | 0.0 | | 29.9 | 15.8 | 73 | 21 | 3.97 | 30.43 |
| Totals: | 89.4 | 15.8 | | | | | | | |
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