Evapotranspiration Calculations
Swan Island - December 2025 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) |
| 01/12/2025 | 2.6 | 0.0 | | 15.8 | 9.0 | 91 | 61 | 2.58 | 14.89 |
| 02/12/2025 | 4.5 | 0.0 | | 17.7 | 8.3 | 89 | 54 | 5.84 | 31.02 |
| 03/12/2025 | 3.8 | 0.0 | | 19.2 | 12.7 | 90 | 67 | 8.67 | 22.77 |
| 04/12/2025 | 5.2 | 0.0 | | 22.8 | 14.2 | 85 | 54 | 7.24 | 25.30 |
| 05/12/2025 | 5.0 | 0.0 | | 18.7 | 12.8 | 85 | 54 | 5.99 | 31.05 |
| 06/12/2025 | | 0.0 | | | 12.8 | 86 | 64 | 8.94 | 18.88 |
| 07/12/2025 | 5.3 | | | 16.5 | 11.2 | 71 | 48 | 9.75 | 31.52 |
| 08/12/2025 | 3.4 | 0.0 | | 17.5 | 12.9 | 94 | 69 | 11.47 | 22.17 |
| 09/12/2025 | 4.6 | 4.0 | | 17.7 | 12.6 | 96 | 55 | 9.76 | 31.54 |
| 10/12/2025 | 4.9 | 0.0 | | 18.3 | 10.4 | 81 | 49 | 5.79 | 29.54 |
| 11/12/2025 | 5.2 | 0.0 | | 18.7 | 12.6 | 80 | 53 | 5.92 | 31.85 |
| 12/12/2025 | 4.8 | 0.0 | | 20.9 | 13.9 | 90 | 67 | 5.42 | 31.14 |
| 13/12/2025 | 5.3 | 0.0 | | 24.2 | 15.3 | 95 | 59 | 4.39 | 29.98 |
| 14/12/2025 | 4.6 | 0.8 | | 16.7 | 12.8 | 93 | 48 | 12.88 | 27.03 |
| 15/12/2025 | 5.5 | 0.2 | | 17.0 | 10.5 | 70 | 47 | 10.39 | 31.54 |
| 16/12/2025 | 4.6 | 0.0 | | 18.7 | 9.8 | 91 | 56 | 5.69 | 30.75 |
| 17/12/2025 | 4.4 | 0.0 | | 19.7 | 13.4 | 91 | 66 | 5.16 | 28.16 |
| 18/12/2025 | 4.5 | 0.0 | | 23.1 | 14.2 | 94 | 51 | 3.15 | 23.57 |
| Totals: | 78.2 | 5.0 | | | | | | | |
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