Evapotranspiration Calculations
Mandurah - October 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) |
| 01/10/2026 | 3.7 | 1.8 | | 19.8 | 11.3 | 88 | 39 | 2.64 | 20.91 |
| 02/10/2026 | | 0.2 | | | 10.5 | 79 | 33 | 3.28 | 23.45 |
| 03/10/2026 | | 0.0 | | | | 100 | 43 | 3.05 | 23.61 |
| 04/10/2026 | 3.9 | 0.0 | | 20.4 | 13.4 | 87 | 51 | 2.81 | 22.85 |
| 05/10/2026 | 3.6 | 0.0 | | 21.7 | 15.7 | 81 | 54 | 2.46 | 18.59 |
| 06/10/2026 | 4.1 | 0.0 | | 23.5 | 12.9 | 85 | 50 | 2.84 | 21.87 |
| 07/10/2026 | 3.9 | 0.0 | | 21.5 | 15.4 | 85 | 57 | 3.98 | 20.51 |
| 08/10/2026 | 3.4 | 4.8 | | 18.5 | 14.3 | 90 | 54 | 5.86 | 15.89 |
| 09/10/2026 | 3.3 | 4.4 | | 18.8 | 13.6 | 86 | 57 | 4.68 | 15.31 |
| 10/10/2026 | 3.1 | 2.4 | | 18.5 | 14.3 | 87 | 65 | 3.22 | 17.89 |
| 11/10/2026 | 4.0 | 2.6 | | 18.6 | 11.9 | 87 | 38 | 3.81 | 21.63 |
| 12/10/2026 | 5.0 | 0.0 | | 22.1 | 9.7 | 68 | 31 | 3.66 | 24.93 |
| 13/10/2026 | 5.9 | 0.0 | | 25.7 | 11.7 | 62 | 34 | 4.32 | 25.17 |
| 14/10/2026 | 5.9 | 0.0 | | 28.0 | 17.8 | 86 | 32 | 4.93 | 20.43 |
| 15/10/2026 | | 5.0 | | | 15.8 | 92 | 55 | 2.63 | 22.10 |
| 16/10/2026 | | 0.0 | | 20.7 | | 100 | 61 | 1.74 | 25.79 |
| 17/10/2026 | 3.9 | 0.0 | | 21.4 | 13.8 | 85 | 62 | 3.30 | 22.80 |
| 18/10/2026 | 4.2 | 1.8 | | 20.2 | 15.7 | 91 | 43 | 4.20 | 20.71 |
| 19/10/2026 | 4.2 | 0.0 | | 20.1 | 12.7 | 74 | 45 | 2.30 | 24.58 |
| 20/10/2026 | 3.9 | 0.0 | | 20.2 | 12.1 | 79 | 53 | 2.40 | 23.25 |
| 21/10/2026 | 4.0 | 0.0 | | 20.8 | 17.2 | 84 | 65 | 5.73 | 21.12 |
| 22/10/2026 | 4.9 | 0.0 | | 20.5 | 16.2 | 80 | 43 | 4.51 | 24.51 |
| 23/10/2026 | 4.0 | 0.0 | | 17.6 | 13.6 | 83 | 45 | 4.02 | 21.36 |
| 24/10/2026 | 4.0 | 5.0 | | 17.2 | 8.3 | 79 | 42 | 3.53 | 24.14 |
| 25/10/2026 | 4.1 | 0.4 | | 18.6 | 8.5 | 83 | 41 | 2.53 | 25.29 |
| 26/10/2026 | 4.8 | 6.6 | | 23.2 | 11.6 | 89 | 36 | 3.29 | 24.01 |
| Totals: | 91.8 | 35.0 | | | | | | | |
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