Evapotranspiration Calculations
Mortlake Racecourse - August 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) |
| 01/08/2026 | 1.6 | 0.2 | | 13.9 | -0.5 | 100 | 39 | 2.58 | 11.36 |
| 02/08/2026 | 2.4 | 0.0 | | 14.9 | 2.2 | 85 | 37 | 4.85 | 11.56 |
| 03/08/2026 | 2.4 | 0.6 | | 12.9 | 5.0 | 70 | 44 | 5.33 | 8.77 |
| 04/08/2026 | | 1.8 | | | 4.8 | 96 | 45 | 4.22 | 5.54 |
| 05/08/2026 | 1.2 | 1.8 | | 13.6 | 3.1 | 99 | 62 | 2.42 | 8.78 |
| 06/08/2026 | 1.1 | 0.0 | | 13.8 | 2.8 | 98 | 70 | 2.81 | 8.02 |
| 07/08/2026 | 1.2 | 0.8 | | 15.2 | 4.4 | 100 | 61 | 1.34 | 12.00 |
| 08/08/2026 | 1.7 | 0.0 | | 14.7 | 6.4 | 92 | 62 | 4.99 | 7.59 |
| 09/08/2026 | 1.2 | 3.2 | | 13.5 | 8.4 | 98 | 75 | 5.21 | 6.31 |
| 10/08/2026 | 1.1 | 1.0 | | 13.9 | 9.3 | 99 | 82 | 5.07 | 7.97 |
| 11/08/2026 | 1.5 | 1.0 | | 14.3 | 5.8 | 99 | 63 | 4.48 | 9.38 |
| 12/08/2026 | 1.6 | 0.0 | | 13.9 | 8.1 | 97 | 65 | 4.96 | 10.42 |
| 13/08/2026 | 1.3 | 2.0 | | 14.8 | 7.7 | 98 | 73 | 3.73 | 8.27 |
| 14/08/2026 | 1.4 | 0.0 | | 15.3 | 9.9 | 99 | 70 | 3.01 | 10.25 |
| 15/08/2026 | 1.4 | 0.2 | | 14.3 | 7.7 | 100 | 60 | 1.80 | 10.60 |
| 16/08/2026 | 1.4 | 0.2 | | 15.5 | 3.1 | 100 | 65 | 2.29 | 11.70 |
| 17/08/2026 | 2.1 | 0.2 | | 18.8 | 7.1 | 100 | 56 | 3.40 | 13.10 |
| 18/08/2026 | 1.6 | 0.2 | | 16.4 | 6.4 | 99 | 70 | 4.87 | 9.71 |
| 19/08/2026 | 2.7 | 4.0 | | 18.5 | 10.3 | 96 | 53 | 7.33 | 11.38 |
| 20/08/2026 | 1.6 | 5.2 | | 15.4 | 9.1 | 98 | 68 | 4.57 | 8.93 |
| 21/08/2026 | 1.4 | 4.8 | | 14.7 | 4.4 | 97 | 75 | 4.58 | 10.09 |
| 22/08/2026 | 1.7 | 1.6 | | 14.3 | 9.6 | 97 | 61 | 3.97 | 10.83 |
| 23/08/2026 | 1.6 | 1.2 | | 15.2 | 6.0 | 95 | 63 | 2.65 | 10.19 |
| 24/08/2026 | 1.6 | 0.0 | | 16.1 | 8.3 | 92 | 71 | 3.67 | 10.07 |
| 25/08/2026 | 1.3 | 0.4 | | 15.7 | 9.7 | 98 | 72 | 2.07 | 8.22 |
| 26/08/2026 | | 0.4 | | | 2.9 | 99 | 64 | 1.96 | 11.85 |
| Totals: | 38.1 | 30.8 | | | | | | | |
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