Evapotranspiration Calculations
Double Island Point Lighthouse - October 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/10/2025 | 3.8 | 2.0 | 27.8 | 20.6 | 98 | 74 | 3.74 | 19.01 | |
| 02/10/2025 | 4.9 | 0.2 | 28.9 | 20.9 | 98 | 61 | 6.34 | 21.43 | |
| 03/10/2025 | 6.0 | 9.8 | 24.1 | 20.3 | 95 | 33 | 7.86 | 24.87 | |
| 04/10/2025 | 4.8 | 0.0 | 23.8 | 18.0 | 83 | 59 | 5.47 | 24.28 | |
| 05/10/2025 | 5.4 | 0.0 | 24.4 | 19.7 | 77 | 57 | 6.24 | 24.86 | |
| 06/10/2025 | 5.1 | 0.0 | 26.2 | 17.6 | 88 | 59 | 4.76 | 25.54 | |
| 07/10/2025 | 5.6 | 0.0 | 29.0 | 17.6 | 93 | 59 | 6.69 | 25.37 | |
| 08/10/2025 | 5.3 | 0.0 | 27.9 | 19.3 | 90 | 56 | 4.54 | 25.14 | |
| 09/10/2025 | 4.3 | 0.0 | 25.4 | 20.3 | 92 | 73 | 5.40 | 23.27 | |
| 10/10/2025 | 4.5 | 0.0 | 26.0 | 21.2 | 94 | 70 | 4.87 | 23.71 | |
| 11/10/2025 | 4.8 | 0.0 | 27.3 | 20.3 | 97 | 69 | 2.96 | 25.79 | |
| 12/10/2025 | 4.9 | 0.0 | 27.6 | 21.3 | 95 | 67 | 2.73 | 25.70 | |
| 13/10/2025 | 3.6 | 0.0 | 29.1 | 21.6 | 96 | 68 | 3.00 | 15.67 | |
| 14/10/2025 | 3.6 | 0.0 | 26.3 | 21.6 | 97 | 73 | 7.92 | 15.98 | |
| Totals: | 66.6 | 12.0 |
