Evapotranspiration Calculations
Cairns 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 | 2.0 | 19.4 | | 28.1 | 24.3 | 100 | 86 | 4.09 | 8.33 |
| 02/04/2026 | 4.3 | 28.0 | | 30.3 | 24.2 | 94 | 70 | 4.17 | 18.97 |
| 03/04/2026 | 4.2 | 1.6 | | 30.0 | 24.2 | 96 | 73 | 4.08 | 19.61 |
| 04/04/2026 | 4.2 | 6.2 | | 29.9 | 23.5 | 99 | 67 | 3.81 | 19.36 |
| 05/04/2026 | 4.7 | 4.6 | | 30.0 | 22.7 | 99 | 64 | 3.73 | 22.19 |
| 06/04/2026 | 4.5 | 2.2 | | 29.6 | 22.7 | 95 | 61 | 3.75 | 20.14 |
| 07/04/2026 | 4.4 | 0.2 | | 29.8 | 22.2 | 92 | 63 | 3.42 | 19.84 |
| 08/04/2026 | 5.0 | 0.2 | | 30.4 | 20.0 | 96 | 54 | 3.32 | 23.27 |
| 09/04/2026 | 5.1 | 0.0 | | 30.1 | 22.5 | 85 | 59 | 3.62 | 22.50 |
| 10/04/2026 | 3.9 | 0.8 | | 29.5 | 22.2 | 97 | 64 | 3.02 | 17.88 |
| 11/04/2026 | 4.6 | 0.0 | | 30.9 | 20.1 | 99 | 54 | 2.56 | 21.88 |
| 12/04/2026 | 4.5 | 0.0 | | 31.7 | 17.9 | 100 | 54 | 1.56 | 23.38 |
| 13/04/2026 | 4.9 | 0.0 | | 31.0 | 19.2 | 100 | 56 | 3.64 | 22.55 |
| 14/04/2026 | 3.4 | 0.0 | | 28.8 | 25.2 | 98 | 69 | 4.77 | 13.28 |
| 15/04/2026 | 1.9 | 21.4 | | 26.6 | 22.9 | 100 | 94 | 3.03 | 10.26 |
| 16/04/2026 | 2.2 | 24.4 | | 28.2 | 24.4 | 100 | 89 | 2.14 | 10.89 |
| 17/04/2026 | 3.0 | 28.2 | | 29.2 | 24.6 | 100 | 78 | 2.90 | 14.09 |
| 18/04/2026 | 4.4 | 0.6 | | 30.6 | 22.1 | 100 | 66 | 2.39 | 21.95 |
| 19/04/2026 | 4.6 | 0.0 | | 30.2 | 21.9 | 100 | 60 | 3.14 | 22.58 |
| 20/04/2026 | 2.5 | 0.0 | | 28.7 | 22.5 | 99 | 75 | 3.05 | 10.39 |
| 21/04/2026 | 4.2 | 9.8 | | 28.4 | 20.8 | 98 | 56 | 3.86 | 18.95 |
| 22/04/2026 | 4.0 | 1.6 | | 28.4 | 21.6 | 100 | 59 | 3.39 | 18.94 |
| 23/04/2026 | 3.7 | 22.2 | | 28.1 | 20.4 | 100 | 64 | 3.26 | 18.17 |
| 24/04/2026 | 2.9 | 13.0 | | 25.8 | 20.0 | 99 | 78 | 3.40 | 15.35 |
| 25/04/2026 | 3.9 | 15.4 | | 27.5 | 20.5 | 96 | 66 | 3.75 | 19.25 |
| 26/04/2026 | 3.6 | 0.0 | | 28.1 | 16.8 | 100 | 64 | 2.58 | 19.23 |
| Totals: | 100.6 | 199.8 | | | | | | | |
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