Evapotranspiration Calculations
Penrith Lakes - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 5.4 | 0.0 | 26.6 | 14.5 | 83 | 20 | 3.25 | 22.94 | |
| 02/10/2025 | 5.6 | 0.0 | 25.7 | 7.8 | 77 | 25 | 4.55 | 21.36 | |
| 03/10/2025 | 4.8 | 0.0 | 26.5 | 7.2 | 81 | 21 | 2.31 | 23.17 | |
| 04/10/2025 | 3.7 | 0.0 | 26.1 | 8.3 | 87 | 63 | 1.08 | 23.25 | |
| 05/10/2025 | 4.6 | 0.0 | 31.6 | 10.9 | 63 | 63 | 2.08 | 22.99 | |
| 06/10/2025 | 4.6 | 0.0 | 32.8 | 14.3 | 63 | 63 | 2.99 | 18.37 | |
| 07/10/2025 | 3.3 | 2.2 | 23.9 | 14.4 | 63 | 21 | 1.49 | 13.14 | |
| 08/10/2025 | 7.0 | 0.0 | 32.4 | 13.4 | 40 | 13 | 3.51 | 21.48 | |
| 09/10/2025 | 0.0 | 19.2 | 30 | 15 | 4.10 | 11.60 | |||
| 10/10/2025 | 82 | 17 | 2.70 | 24.53 | |||||
| 11/10/2025 | 5.9 | 31.4 | 11.1 | 90 | 14 | 2.56 | 24.70 | ||
| 12/10/2025 | 7.0 | 0.0 | 33.0 | 11.5 | 80 | 18 | 4.37 | 18.90 | |
| 13/10/2025 | 5.1 | 0.0 | 25.8 | 12.1 | 73 | 27 | 2.67 | 24.12 | |
| 14/10/2025 | 5.1 | 0.0 | 28.9 | 10.8 | 91 | 18 | 1.82 | 25.11 | |
| Totals: | 62.1 | 2.2 |
