Evapotranspiration Calculations
Mortlake Racecourse - 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 | 1.2 | 6.6 | | 16.0 | 13.6 | 99 | 85 | 1.64 | 6.06 |
| 02/10/2026 | 1.9 | 7.6 | | 16.9 | 10.3 | 99 | 76 | 4.12 | 11.64 |
| 03/10/2026 | 1.8 | 2.0 | | 16.4 | 10.6 | 98 | 76 | 5.89 | 10.25 |
| 04/10/2026 | 2.2 | 0.2 | | 15.2 | 3.5 | 100 | 68 | 2.39 | 16.50 |
| 05/10/2026 | 2.3 | 0.2 | | 17.7 | 5.4 | 99 | 65 | 1.54 | 15.45 |
| 06/10/2026 | 2.8 | 1.2 | | 16.0 | 4.9 | 99 | 57 | 5.14 | 17.89 |
| 07/10/2026 | 2.9 | 0.2 | | 16.7 | 2.4 | 99 | 57 | 2.61 | 22.69 |
| 08/10/2026 | 4.2 | 0.0 | | 22.2 | 1.7 | 97 | 42 | 4.10 | 23.01 |
| 09/10/2026 | 4.6 | 0.0 | | 24.1 | 9.2 | 85 | 45 | 6.59 | 16.04 |
| 10/10/2026 | 3.8 | 0.0 | | 20.3 | 8.9 | 97 | 54 | 6.05 | 20.92 |
| 11/10/2026 | 4.8 | 0.0 | | 23.8 | 9.9 | 96 | 44 | 5.48 | 23.40 |
| 12/10/2026 | 2.8 | 7.4 | | 16.4 | 12.4 | 100 | 53 | 4.41 | 14.52 |
| 13/10/2026 | 3.0 | 0.4 | | 13.9 | 3.8 | 97 | 44 | 4.53 | 19.05 |
| 14/10/2026 | 2.1 | 0.4 | | 13.1 | 3.6 | 96 | 57 | 2.37 | 13.12 |
| 15/10/2026 | 3.4 | 0.0 | | 19.4 | 0.6 | 99 | 49 | 3.34 | 21.31 |
| 16/10/2026 | 4.3 | 0.0 | | 23.4 | 6.9 | 95 | 43 | 3.83 | 22.27 |
| 17/10/2026 | 4.7 | 0.0 | | 25.1 | 9.5 | 88 | 37 | 3.41 | 21.93 |
| 18/10/2026 | 5.0 | 0.0 | | 26.5 | 7.1 | 96 | 36 | 3.39 | 24.11 |
| 19/10/2026 | 6.2 | 0.0 | | 27.2 | 10.1 | 85 | 36 | 6.09 | 24.76 |
| 20/10/2026 | 5.9 | 0.0 | | 28.3 | 14.9 | 95 | 36 | 5.99 | 20.88 |
| 21/10/2026 | 3.2 | 0.0 | | 23.6 | 13.7 | 100 | 64 | 2.11 | 17.13 |
| 22/10/2026 | 6.2 | 0.0 | | 30.7 | 11.6 | 100 | 29 | 4.10 | 24.15 |
| 23/10/2026 | 5.3 | 0.0 | | 29.5 | 14.6 | 98 | 37 | 5.24 | 15.66 |
| 24/10/2026 | 3.8 | 1.0 | | 24.6 | 12.8 | 100 | 58 | 3.09 | 19.48 |
| 25/10/2026 | 1.7 | 27.0 | | 13.4 | 10.5 | 100 | 71 | 4.23 | 8.69 |
| 26/10/2026 | | 2.8 | | | 3.3 | 100 | 64 | 3.57 | 12.93 |
| Totals: | 90.1 | 57.0 | | | | | | | |
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