Evapotranspiration Calculations
Mortlake Racecourse - January 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) |
| 01/01/2026 | 4.5 | 0.0 | | 20.7 | 2.8 | 100 | 54 | 3.54 | 30.15 |
| 02/01/2026 | 5.9 | 0.0 | | 29.7 | 4.8 | 100 | 30 | 2.30 | 28.39 |
| 03/01/2026 | 3.9 | 0.0 | | 24.4 | 9.3 | 100 | 59 | 3.18 | 20.30 |
| 04/01/2026 | | 0.0 | | | 13.9 | 100 | 39 | 4.49 | 27.81 |
| 05/01/2026 | 5.6 | | | 25.6 | 4.3 | 100 | 29 | 2.55 | 30.61 |
| 06/01/2026 | 6.6 | 0.0 | | 32.6 | 8.5 | 100 | 20 | 2.01 | 30.47 |
| 07/01/2026 | 11.9 | 0.0 | | 42.4 | 14.4 | 78 | 9 | 5.36 | 27.34 |
| 08/01/2026 | 6.5 | 0.0 | | 27.9 | 20.1 | 71 | 33 | 3.97 | 24.93 |
| 09/01/2026 | 10.3 | 0.0 | | 39.7 | 15.2 | 78 | 12 | 6.71 | 10.96 |
| 10/01/2026 | 5.6 | 0.2 | | 22.6 | 13.8 | 96 | 38 | 7.79 | 24.84 |
| 11/01/2026 | 4.6 | 0.0 | | 20.1 | 8.3 | 99 | 38 | 3.72 | 26.11 |
| 12/01/2026 | 5.1 | 0.0 | | 25.1 | 5.6 | 100 | 34 | 3.35 | 24.69 |
| 13/01/2026 | 4.5 | 0.0 | | 23.6 | 10.2 | 100 | 48 | 3.49 | 23.76 |
| 14/01/2026 | 5.1 | 0.0 | | 27.2 | 6.3 | 100 | 40 | 3.30 | 22.82 |
| 15/01/2026 | 3.4 | 0.0 | | 24.1 | 11.4 | 100 | 52 | 5.41 | 10.09 |
| 16/01/2026 | 5.0 | 0.0 | | 24.7 | 14.2 | 100 | 43 | 7.52 | 17.97 |
| 17/01/2026 | 6.7 | 0.0 | | 26.4 | 15.3 | 86 | 44 | 8.34 | 27.58 |
| 18/01/2026 | 7.5 | 0.0 | | 28.8 | 15.3 | 87 | 32 | 6.70 | 27.97 |
| 19/01/2026 | | 0.0 | | | 14.9 | 100 | 25 | 5.53 | 16.47 |
| 20/01/2026 | 6.9 | | | 31.3 | 15.3 | 100 | 24 | 3.51 | 28.42 |
| 21/01/2026 | 4.3 | 0.0 | | 23.4 | 12.2 | 100 | 48 | 4.96 | 18.93 |
| 22/01/2026 | 5.0 | 0.0 | | 21.4 | 7.5 | 100 | 33 | 4.15 | 27.22 |
| 23/01/2026 | 6.6 | 0.0 | | 30.4 | 2.9 | 100 | 11 | 2.63 | 28.16 |
| 24/01/2026 | 11.0 | 0.0 | | 41.8 | 10.1 | 93 | 7 | 4.58 | 27.39 |
| 25/01/2026 | 5.5 | 0.0 | | 25.9 | 14.2 | 100 | 44 | 4.07 | 27.21 |
| 26/01/2026 | 7.8 | 0.0 | | 36.2 | 7.7 | 100 | 15 | 3.21 | 27.02 |
| 27/01/2026 | 12.1 | 0.0 | | 46.3 | 14.7 | 100 | 8 | 5.10 | 23.42 |
| 28/01/2026 | 4.0 | 0.0 | | 23.9 | 14.2 | 100 | 48 | 4.14 | 17.37 |
| 29/01/2026 | 4.2 | 0.0 | | 26.3 | 12.3 | 100 | 28 | 2.42 | 16.09 |
| 30/01/2026 | 5.9 | 0.0 | | 32.4 | 15.7 | 100 | 34 | 2.65 | 24.51 |
| Totals: | 176.0 | 0.2 | | | | | | | |
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