Evapotranspiration Calculations
Cairns 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 | 3.4 | 18.6 | | 25.2 | 18.5 | 99 | 53 | 3.37 | 13.51 |
| 02/10/2026 | 4.0 | 9.0 | | 26.5 | 18.4 | 98 | 52 | 3.00 | 17.93 |
| 03/10/2026 | 3.7 | 0.6 | | 26.1 | 18.2 | 94 | 59 | 3.29 | 16.06 |
| 04/10/2026 | 4.1 | 0.4 | | 27.0 | 16.3 | 100 | 46 | 2.54 | 18.85 |
| 05/10/2026 | 4.6 | 0.0 | | 27.7 | 16.9 | 99 | 59 | 2.71 | 23.62 |
| 06/10/2026 | 5.1 | 0.0 | | 28.3 | 15.4 | 100 | 50 | 2.63 | 26.79 |
| 07/10/2026 | 5.3 | 0.0 | | 29.3 | 17.0 | 100 | 50 | 2.59 | 26.72 |
| 08/10/2026 | 5.2 | 0.0 | | 29.1 | 18.4 | 99 | 54 | 2.37 | 26.79 |
| 09/10/2026 | 4.9 | 0.4 | | 28.6 | 21.7 | 98 | 61 | 2.55 | 24.70 |
| 10/10/2026 | 5.2 | 0.2 | | 29.7 | 19.3 | 98 | 58 | 2.38 | 26.24 |
| 11/10/2026 | 5.2 | 0.0 | | 29.4 | 20.1 | 98 | 57 | 2.74 | 26.03 |
| 12/10/2026 | 5.0 | 0.0 | | 29.3 | 18.8 | 99 | 61 | 3.47 | 25.08 |
| 13/10/2026 | 3.0 | 0.0 | | 27.9 | 19.2 | 100 | 76 | 2.23 | 14.12 |
| 14/10/2026 | 4.4 | 1.2 | | 29.7 | 22.0 | 99 | 65 | 1.82 | 21.29 |
| 15/10/2026 | 5.0 | 0.0 | | 30.2 | 20.2 | 100 | 54 | 2.10 | 24.27 |
| 16/10/2026 | 4.7 | 1.8 | | 29.0 | 20.6 | 98 | 57 | 3.15 | 21.50 |
| 17/10/2026 | 2.9 | 3.8 | | 27.1 | 21.9 | 98 | 75 | 2.63 | 12.87 |
| 18/10/2026 | 2.4 | 1.6 | | 26.1 | 21.9 | 99 | 79 | 2.27 | 10.45 |
| 19/10/2026 | 3.6 | 6.4 | | 28.0 | 21.3 | 100 | 80 | 2.41 | 18.16 |
| 20/10/2026 | 5.1 | 20.4 | | 29.1 | 22.3 | 98 | 67 | 3.36 | 25.26 |
| 21/10/2026 | 4.9 | 3.4 | | 29.8 | 22.3 | 99 | 63 | 3.02 | 23.54 |
| 22/10/2026 | 4.7 | 0.4 | | 29.7 | 21.1 | 100 | 64 | 1.76 | 23.12 |
| 23/10/2026 | 3.8 | 0.6 | | 28.8 | 22.8 | 100 | 70 | 1.59 | 18.19 |
| 24/10/2026 | 3.8 | 3.0 | | 29.0 | 23.6 | 99 | 72 | 1.73 | 17.92 |
| 25/10/2026 | 4.3 | 0.4 | | 30.0 | 23.2 | 98 | 65 | 1.60 | 20.08 |
| 26/10/2026 | 5.3 | 0.0 | | 31.5 | 21.1 | 100 | 58 | 2.06 | 25.56 |
| Totals: | 113.6 | 72.2 | | | | | | | |
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