Evapotranspiration Calculations
Penrith Lakes - April 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) |
| 01/04/2026 | 3.4 | 0.2 | | 29.5 | 13.8 | 97 | 36 | 0.98 | 19.17 |
| 02/04/2026 | 3.1 | 0.0 | | 28.4 | 13.9 | 97 | 40 | 0.76 | 18.82 |
| 03/04/2026 | 2.6 | 0.0 | | 27.0 | 14.2 | 97 | 60 | 1.94 | 12.51 |
| 04/04/2026 | 1.5 | 0.6 | | 19.6 | 17.7 | 87 | 73 | 2.17 | 4.81 |
| 05/04/2026 | 2.5 | 4.0 | | 23.8 | 15.3 | 97 | 53 | 1.84 | 12.21 |
| 06/04/2026 | 1.5 | 0.0 | | 20.4 | 12.2 | 96 | 75 | 0.68 | 8.16 |
| 07/04/2026 | 3.6 | 0.0 | | 32.6 | 12.7 | 98 | 32 | 1.42 | 17.49 |
| 08/04/2026 | 3.0 | 0.0 | | 29.2 | 14.2 | 95 | 39 | 0.82 | 17.58 |
| 09/04/2026 | 3.2 | 0.0 | | 31.5 | 15.5 | 96 | 37 | 0.98 | 17.70 |
| 10/04/2026 | 3.1 | 0.2 | | 31.0 | 16.2 | 95 | 44 | 1.63 | 12.96 |
| 11/04/2026 | 4.0 | 0.0 | | 26.2 | 17.6 | 91 | 27 | 2.88 | 17.39 |
| 12/04/2026 | 3.4 | 0.0 | | 21.9 | 9.2 | 75 | 32 | 2.61 | 17.14 |
| 13/04/2026 | 2.8 | 0.2 | | 23.5 | 7.9 | 92 | 37 | 1.63 | 17.05 |
| 14/04/2026 | 2.5 | 0.6 | | 25.6 | 8.5 | 94 | 35 | 0.88 | 16.87 |
| 15/04/2026 | 2.6 | 0.0 | | 26.6 | 9.2 | 96 | 40 | 0.90 | 16.68 |
| 16/04/2026 | 2.5 | 0.0 | | 28.4 | 11.0 | 97 | 38 | 0.71 | 16.29 |
| 17/04/2026 | 3.3 | 0.0 | | 30.3 | 8.7 | 94 | 26 | 1.75 | 13.33 |
| 18/04/2026 | 2.5 | 0.2 | | 22.6 | 7.9 | 91 | 26 | 1.22 | 16.24 |
| 19/04/2026 | 2.2 | 0.0 | | 23.3 | 7.4 | 97 | 39 | 0.88 | 16.05 |
| 20/04/2026 | 2.4 | 0.0 | | 23.5 | 7.4 | 96 | 41 | 1.35 | 14.83 |
| 21/04/2026 | 2.5 | 0.0 | | 22.4 | 13.5 | 81 | 52 | 2.46 | 11.46 |
| 22/04/2026 | 2.4 | 0.2 | | 23.7 | 14.4 | 87 | 45 | 1.90 | 11.07 |
| 23/04/2026 | 2.0 | 0.0 | | 22.9 | 10.7 | 96 | 44 | 1.24 | 10.31 |
| 24/04/2026 | 2.2 | 0.0 | | 25.4 | 12.5 | 96 | 43 | 1.02 | 12.64 |
| 25/04/2026 | 2.4 | 0.0 | | 26.4 | 11.2 | 98 | 45 | 1.15 | 15.10 |
| 26/04/2026 | 2.4 | 0.0 | | 25.7 | 10.8 | 98 | 29 | 1.06 | 14.99 |
| Totals: | 69.6 | 6.2 | | | | | | | |
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