Evapotranspiration Calculations
Mortlake Racecourse - 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 | 2.4 | 0.0 | | 21.5 | 15.7 | 100 | 37 | 2.73 | 7.46 |
| 02/04/2026 | 3.0 | 1.4 | | 22.7 | 5.8 | 100 | 42 | 2.67 | 15.24 |
| 03/04/2026 | 2.5 | 0.2 | | 17.9 | 6.5 | 100 | 45 | 3.13 | 13.08 |
| 04/04/2026 | 3.1 | 0.2 | | 20.0 | 3.8 | 100 | 36 | 3.45 | 16.72 |
| 05/04/2026 | 3.2 | 0.0 | | 26.7 | 1.7 | 100 | 30 | 1.82 | 16.47 |
| 06/04/2026 | 2.8 | 9.6 | | 25.1 | 12.3 | 100 | 57 | 3.75 | 11.37 |
| 07/04/2026 | 1.6 | 3.0 | | 16.4 | 15.0 | 100 | 70 | 4.25 | 8.16 |
| 08/04/2026 | 2.2 | 1.0 | | 19.4 | 7.3 | 100 | 45 | 1.70 | 13.91 |
| 09/04/2026 | 4.7 | 1.2 | | 26.6 | 13.4 | 100 | 40 | 7.32 | 15.16 |
| 10/04/2026 | 2.4 | 6.0 | | 16.1 | 9.6 | 100 | 53 | 6.42 | 10.09 |
| 11/04/2026 | 2.1 | 3.0 | | 15.6 | 6.1 | 100 | 60 | 6.41 | 10.33 |
| 12/04/2026 | 1.5 | 6.2 | | 14.5 | 8.1 | 100 | 76 | 5.34 | 10.44 |
| 13/04/2026 | 1.3 | 2.2 | | 18.2 | 10.2 | 100 | 83 | 3.78 | 8.69 |
| 14/04/2026 | 1.8 | 3.6 | | 18.6 | 12.4 | 100 | 69 | 3.29 | 10.31 |
| 15/04/2026 | 1.9 | 0.2 | | 20.3 | 9.0 | 100 | 66 | 3.32 | 10.80 |
| 16/04/2026 | 3.1 | 0.2 | | 23.3 | 7.6 | 100 | 41 | 4.41 | 8.26 |
| 17/04/2026 | 2.1 | 2.8 | | 15.8 | 8.9 | 100 | 48 | 3.36 | 12.49 |
| 18/04/2026 | 1.8 | 0.0 | | 16.9 | 6.6 | 100 | 51 | 1.49 | 13.78 |
| 19/04/2026 | 2.7 | 0.0 | | 24.7 | 4.1 | 100 | 33 | 2.16 | 11.26 |
| 20/04/2026 | 1.2 | 0.0 | | 17.2 | 8.9 | 100 | 73 | 1.73 | 7.22 |
| 21/04/2026 | 3.3 | 0.0 | | 27.5 | 10.0 | 100 | 38 | 3.11 | 13.55 |
| 22/04/2026 | 3.8 | 0.0 | | 28.4 | 14.3 | 100 | 25 | 3.53 | 11.02 |
| 23/04/2026 | 3.3 | 0.0 | | 28.1 | 9.9 | 100 | 27 | 2.50 | 13.60 |
| 24/04/2026 | 4.1 | 0.0 | | 25.3 | 10.2 | 87 | 23 | 4.20 | 12.91 |
| 25/04/2026 | 5.1 | 0.0 | | 27.6 | 10.3 | 70 | 23 | 4.94 | 13.29 |
| Totals: | 67.0 | 40.8 | | | | | | | |
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