Evapotranspiration Calculations
Katanning - 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 | 2.9 | 0.0 | | 21.9 | 9.2 | 97 | 44 | 2.07 | 15.58 |
| 02/04/2026 | 4.2 | 0.0 | | 24.4 | 11.2 | 96 | 44 | 5.32 | 18.34 |
| 03/04/2026 | 4.3 | 0.0 | | 25.5 | 15.3 | 93 | 44 | 4.71 | 18.60 |
| 04/04/2026 | 3.2 | 0.0 | | 24.9 | 13.4 | 99 | 47 | 2.10 | 17.09 |
| 05/04/2026 | 3.3 | 0.0 | | 24.0 | 12.8 | 98 | 37 | 3.43 | 12.29 |
| 06/04/2026 | 2.3 | 0.0 | | 17.7 | 12.6 | 84 | 59 | 4.10 | 8.16 |
| 07/04/2026 | 3.0 | 0.0 | | 21.6 | 10.0 | 90 | 42 | 2.50 | 15.23 |
| 08/04/2026 | 3.7 | 0.0 | | 21.9 | 8.2 | 90 | 38 | 3.98 | 17.61 |
| 09/04/2026 | 3.1 | 0.0 | | 20.0 | 11.5 | 94 | 43 | 3.05 | 17.64 |
| 10/04/2026 | 3.1 | 0.0 | | 21.1 | 6.1 | 90 | 40 | 2.77 | 16.79 |
| 11/04/2026 | 3.6 | 0.0 | | 24.5 | 7.4 | 91 | 32 | 2.69 | 17.50 |
| 12/04/2026 | 3.8 | 0.0 | | 30.3 | 8.4 | 97 | 29 | 1.96 | 17.32 |
| 13/04/2026 | 4.2 | 0.0 | | 26.7 | 13.4 | 88 | 34 | 3.56 | 17.15 |
| 14/04/2026 | 3.8 | 0.0 | | 26.3 | 14.3 | 90 | 42 | 3.35 | 16.94 |
| 15/04/2026 | 2.8 | 0.0 | | 23.8 | 12.4 | 98 | 53 | 3.30 | 12.58 |
| 16/04/2026 | 2.7 | 0.0 | | 22.3 | 13.2 | 89 | 56 | 3.76 | 10.97 |
| 17/04/2026 | 4.4 | 0.0 | | 27.8 | 11.6 | 98 | 38 | 4.96 | 14.93 |
| 18/04/2026 | 2.7 | 0.0 | | 19.5 | 9.2 | 91 | 42 | 2.89 | 13.79 |
| 19/04/2026 | 2.8 | 0.0 | | 21.6 | 7.1 | 87 | 38 | 2.29 | 15.99 |
| 20/04/2026 | 4.2 | 0.0 | | 24.7 | 7.0 | 90 | 41 | 5.66 | 16.00 |
| 21/04/2026 | 3.0 | 1.0 | | 17.2 | 6.9 | 90 | 42 | 4.98 | 14.97 |
| 22/04/2026 | 3.5 | 0.2 | | 21.8 | 5.6 | 84 | 28 | 3.39 | 15.69 |
| 23/04/2026 | 3.2 | 0.6 | | 20.2 | 9.4 | 94 | 41 | 5.13 | 13.61 |
| 24/04/2026 | 2.5 | 0.0 | | 19.7 | 7.8 | 91 | 50 | 3.44 | 11.27 |
| 25/04/2026 | 2.8 | 0.0 | | 21.7 | 8.7 | 96 | 43 | 3.02 | 15.14 |
| 26/04/2026 | 2.3 | 0.0 | | 23.6 | 7.9 | 99 | 31 | 1.22 | 14.64 |
| Totals: | 85.4 | 1.8 | | | | | | | |
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