Evapotranspiration Calculations
Low Isles Lighthouse - September 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) |
|---|---|---|---|---|---|---|---|---|---|
| 01/09/2026 | 4.2 | 9.0 | 25.3 | 19.8 | 93 | 69 | 9.96 | 20.39 | |
| 02/09/2026 | 4.7 | 1.4 | 26.7 | 20.7 | 90 | 68 | 8.70 | 22.58 | |
| 03/09/2026 | 5.1 | 0.2 | 27.1 | 21.5 | 84 | 64 | 6.92 | 22.85 | |
| 04/09/2026 | 5.5 | 0.0 | 27.4 | 21.7 | 84 | 57 | 6.78 | 23.08 | |
| 05/09/2026 | 5.1 | 0.0 | 27.6 | 21.9 | 84 | 61 | 5.76 | 22.20 | |
| 06/09/2026 | 5.6 | 0.0 | 29.0 | 22.0 | 82 | 50 | 4.34 | 24.05 | |
| 07/09/2026 | 5.2 | 0.0 | 28.2 | 21.5 | 85 | 60 | 5.05 | 23.11 | |
| 08/09/2026 | 4.7 | 1.4 | 28.8 | 21.2 | 94 | 69 | 4.38 | 24.12 | |
| 09/09/2026 | 4.6 | 0.2 | 28.9 | 22.1 | 89 | 66 | 4.89 | 20.48 | |
| 10/09/2026 | 4.8 | 0.4 | 27.5 | 22.2 | 88 | 61 | 8.75 | 16.16 | |
| 11/09/2026 | 5.5 | 1.2 | 28.3 | 21.0 | 95 | 58 | 10.70 | 21.81 | |
| 12/09/2026 | 4.3 | 29.8 | 25.9 | 20.4 | 94 | 68 | 10.58 | 19.67 | |
| 13/09/2026 | 4.9 | 5.0 | 26.7 | 20.1 | 91 | 64 | 9.20 | 22.05 | |
| 14/09/2026 | 4.4 | 0.6 | 26.1 | 20.6 | 90 | 72 | 9.79 | 21.30 | |
| 15/09/2026 | 4.7 | 3.0 | 26.5 | 21.1 | 92 | 67 | 9.68 | 21.48 | |
| Totals: | 73.3 | 52.2 |
