Evapotranspiration Calculations
Penrith Lakes - 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 | 5.9 | 0.0 | | 25.8 | 11.3 | 69 | 24 | 3.96 | 20.95 |
| 02/12/2025 | 6.1 | 0.0 | | 26.0 | 12.3 | 71 | 23 | 2.94 | 27.99 |
| 03/12/2025 | 6.4 | 0.0 | | 31.6 | 12.2 | 82 | 21 | 1.66 | 31.31 |
| 04/12/2025 | 7.3 | 0.0 | | 37.0 | 13.8 | 91 | 12 | 1.83 | 31.37 |
| 05/12/2025 | 7.7 | 0.0 | | 40.5 | 14.5 | 83 | 10 | 1.87 | 30.45 |
| 06/12/2025 | 8.8 | 0.0 | | 41.7 | 17.4 | 70 | 15 | 3.78 | 19.70 |
| 07/12/2025 | 3.9 | 0.0 | | 24.8 | 22.6 | 88 | 26 | 2.48 | 12.17 |
| 08/12/2025 | 6.1 | 0.0 | | 32.3 | 16.2 | 93 | 34 | 2.02 | 27.57 |
| 09/12/2025 | 8.1 | 0.0 | | 38.3 | 16.5 | 95 | 14 | 2.48 | 31.52 |
| 10/12/2025 | 5.7 | 0.0 | | 30.4 | 19.4 | 83 | 43 | 2.78 | 23.25 |
| 11/12/2025 | 2.7 | 1.8 | | 25.0 | 18.5 | 91 | 52 | 2.41 | 8.03 |
| 12/12/2025 | 2.2 | 12.8 | | 23.6 | 17.6 | 96 | 66 | 1.98 | 8.12 |
| 13/12/2025 | 4.3 | 1.6 | | 30.0 | 16.3 | 97 | 49 | 1.76 | 19.16 |
| 14/12/2025 | 7.5 | 11.6 | | 34.9 | 18.1 | 98 | 26 | 3.03 | 30.11 |
| 15/12/2025 | 4.4 | 0.2 | | 27.6 | 18.0 | 96 | 44 | 2.56 | 18.03 |
| 16/12/2025 | 1.7 | 3.2 | | 22.7 | 15.7 | 97 | 71 | 1.41 | 6.48 |
| 17/12/2025 | 6.3 | 0.0 | | 31.3 | 16.4 | 95 | 44 | 2.20 | 30.11 |
| 18/12/2025 | 7.3 | 0.2 | | 39.6 | 17.5 | 94 | 23 | 1.52 | 31.14 |
| Totals: | 102.4 | 31.4 | | | | | | | |
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