Evapotranspiration Calculations
Gold Coast Seaway - 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 | 4.9 | 0.0 | | 25.2 | 14.3 | 83 | 46 | 3.58 | 24.21 |
| 02/10/2026 | 5.0 | 0.0 | | 25.7 | 14.8 | 80 | 47 | 3.54 | 24.58 |
| 03/10/2026 | 5.3 | 0.0 | | 26.8 | 15.6 | 80 | 47 | 4.23 | 23.71 |
| 04/10/2026 | | 0.0 | | | 14.9 | 88 | 49 | 4.59 | 23.02 |
| 05/10/2026 | | | | | | | | | 18.20 |
| 06/10/2026 | | 4.6 | | 27.2 | | 100 | 53 | 3.43 | 13.93 |
| 07/10/2026 | 5.3 | 1.2 | | 26.6 | 18.6 | 93 | 57 | 7.67 | 24.28 |
| 08/10/2026 | 4.6 | 0.0 | | 23.1 | 16.3 | 80 | 58 | 4.86 | 23.12 |
| 09/10/2026 | 5.3 | 0.0 | | 27.6 | 18.1 | 80 | 47 | 3.65 | 23.22 |
| 10/10/2026 | 4.5 | 0.0 | | 27.9 | 18.3 | 88 | 48 | 3.75 | 16.81 |
| 11/10/2026 | 5.3 | 0.0 | | 29.3 | 19.2 | 100 | 56 | 3.74 | 25.83 |
| 12/10/2026 | 5.5 | 0.0 | | 29.9 | 20.9 | 100 | 53 | 4.22 | 24.96 |
| 13/10/2026 | 2.9 | 0.0 | | 25.6 | 20.8 | 98 | 64 | 3.58 | 11.29 |
| 14/10/2026 | 5.1 | 0.6 | | 26.3 | 18.8 | 91 | 59 | 7.32 | 23.32 |
| 15/10/2026 | 3.9 | 11.6 | | 23.2 | 15.6 | 94 | 57 | 6.95 | 16.07 |
| 16/10/2026 | 4.2 | 11.0 | | 23.4 | 15.0 | 89 | 56 | 6.76 | 17.39 |
| 17/10/2026 | 4.7 | 3.8 | | 22.8 | 16.5 | 86 | 59 | 8.80 | 21.56 |
| 18/10/2026 | 5.0 | 1.6 | | 23.3 | 17.0 | 82 | 55 | 7.89 | 21.52 |
| 19/10/2026 | 2.7 | 10.2 | | 20.6 | 16.1 | 90 | 70 | 6.71 | 10.28 |
| 20/10/2026 | 3.6 | 21.6 | | 23.8 | 16.2 | 100 | 69 | 3.22 | 19.98 |
| 21/10/2026 | 5.3 | 0.6 | | 25.6 | 16.9 | 100 | 27 | 4.76 | 19.46 |
| 22/10/2026 | 2.1 | 20.2 | | 22.2 | 19.3 | 100 | 80 | 7.94 | 9.56 |
| 23/10/2026 | 2.7 | 12.8 | | 24.1 | 18.8 | 100 | 83 | 4.68 | 14.76 |
| 24/10/2026 | 5.0 | 28.2 | | 25.6 | 18.7 | 100 | 22 | 4.56 | 16.09 |
| 25/10/2026 | 4.4 | 19.8 | | 24.2 | 19.5 | 100 | 23 | 4.05 | 13.38 |
| 26/10/2026 | 6.3 | 26.2 | | 31.4 | 20.2 | 100 | 20 | 3.42 | 23.33 |
| Totals: | 103.6 | 174.0 | | | | | | | |
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